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| | |- | | |- |
| | | colspan="2" | | | | colspan="2" | |
| − | LUBRICATlNG OILS | + | [[LUBRICATlNG OILS]] |
| | | | |
| | |- | | |- |
| | | colspan="2" | | | | colspan="2" | |
| − | OPERATING LIMITATIONS | + | [[OPERATING LIMITATIONS]] |
| | | | |
| | |- | | |- |
| | | colspan="2" | | | | colspan="2" | |
| − | GIPSY MAJOR MK. 8 | + | [[GIPSY MAJOR MK. 8]] |
| | | | |
| | |- | | |- |
| | | colspan="2" | | | | colspan="2" | |
| − | TORQUE LOADING TABLE | + | [[TORQUE LOADING TABLE]] |
| | | | |
| | |- | | |- |
| Line 55: |
Line 55: |
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| | | | | | |
| − | Description of Engine. | + | [[Description of Engine]]. |
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| | |- | | |- |
| Line 153: |
Line 153: |
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| | | | | | |
| − | Testing after Overhaul. | + | [[Testing after Overhaul]]. |
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| | |- | | |- |
| Line 209: |
Line 209: |
| | | | |
| | |} | | |} |
| − |
| |
| − | OPERATING LIMITATIONS, PERFORMANCES AND FUEL CONSUMPTION
| |
| − |
| |
| − | <center>''For oil pressures and minimum temperature, see Leading Particulars.''</center>
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| − |
| |
| − | <center>''Powers subject to a tolerance of minus 4 per cent.''</center>
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| − |
| |
| − | <center></center>
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| − |
| |
| − | ''With a fixed-pitch propeller it is not possible to obtain all these conditions but none of the operating limitations may be exceeded.''
| |
| − |
| |
| − | {| class="wikitable"
| |
| − | |-
| |
| − | | colspan="9" |
| |
| − | <center>Gipsy Major 10, Mark 1-1, 1-IA, 1-3, l-3A, 1-7 and 1-7A
| |
| − |
| |
| − | (Based on Engine Technical Certificate No. SS, issue 6, 25-1-55)</center>
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| − |
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| − | |-
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| − | |
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| − | Flying conditions
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| − |
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| − | |
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| − | <center>Time limitation</center>
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| − |
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| − | |
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| − | R.P.M.
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| − |
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| − | |
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| − | Boost pressure in. Hg. cm. Hg.
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| − |
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| − | |
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| − | Cyl. temp, deg. C.
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| − |
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| − | |
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| − | Oil temp, deg. C. Oil grade* D. Eng. R.D.2472 B/O
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| − |
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| − | |
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| − | B.H.P. at Sea Level
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| − |
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| − | | colspan="2" |
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| − | Fuel consumption (upper limit)
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| − |
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| − | |-
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| − | |
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| − |
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| − |
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| − | |
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| − | <center></center>
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − | Galls, per hr.
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| − |
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| − | |
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| − | Litres per hr.
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| − |
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| − | |-
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| − | |
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| − | Maximum take-off
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| − |
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| − | Maximum emergency
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| − |
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| − | |
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| − | <center>--
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| − |
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| − | 5 min.</center>
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| − |
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| − | |
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| − | 2400
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| − |
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| − | 2550
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | 240
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| − |
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| − | |
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| − | 100
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| − |
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| − | |
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| − | 136/142
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| − |
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| − | 145
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| − |
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| − | |
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| − | 11¼
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| − |
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| − | 11½
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| − |
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| − | |
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| − | 51,11
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| − |
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| − | 52,25
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| − |
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| − | |-
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| − | |
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| − | Climb
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| − |
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| − | Emergency cruise
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| − |
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| − | |
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| − | <center>60 min.
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| − |
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| − | --</center>
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| − |
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| − | |
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| − | --
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| − |
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| − | 2400
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | 230
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| − |
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| − | |
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| − | 85
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| − |
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| − | |
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| − | 136/142
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| − |
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| − | |
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| − | 11¼
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| − |
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| − | |
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| − | 51,11
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| − |
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| − | |-
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| − | |
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| − | Maximum cruise
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| − |
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| − | |
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| − | --
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| − |
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| − | |
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| − | 2300
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| − |
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| − | |
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| − | <center>Minus 1½
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| − |
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| − | Minus 3,8</center>
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| − |
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| − | |
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| − | 210
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| − |
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| − | |
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| − | 85
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| − |
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| − | |
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| − | 138
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| − |
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| − | |
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| − | 10
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| − |
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| − | |
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| − | 48,9
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| − |
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| − | |-
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| − | |
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| − | Maximum cruise, weak
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| − |
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| − | |
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| − | --
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| − |
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| − | |
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| − | 2300
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| − |
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| − | |
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| − | <center>Minus 4
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| − |
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| − | Minus 10,2</center>
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| − |
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| − | |
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| − | 210
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| − |
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| − | |
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| − | 85
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| − |
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| − | |
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| − | 120
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| − |
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| − | 3750 ft.
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| − |
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| − | 1143 m.
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| − |
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| − | |
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| − | 8½
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| − |
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| − | |
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| − | 38,62
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| − |
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| − | |-
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| − | |
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| − | Maximum overspeed
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| − |
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| − | |
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| − | 20 sec.
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| − |
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| − | |
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| − | 2675
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | --
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| − |
| |
| − | |
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| − | --
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| − |
| |
| − | |
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| − | --
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| − |
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| − | |
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| − | --
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| − |
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| − | |
| |
| − | --
| |
| − |
| |
| − | |-
| |
| − | | colspan="9" |
| |
| − | <center>Gipsy Major 10, Mark 2 and 2-1.
| |
| − |
| |
| − | (Based on Engine Technical Certificate No. 89, issue 7, 12-1-56)</center>
| |
| − |
| |
| − | |-
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| − | |
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| − | Flying conditions
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| − |
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| − | |
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| − | <center>Time limitation</center>
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| − |
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| − | |
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| − | R.P.M.
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| − |
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| − | |
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| − | Boost pressure in. Hg. cm. Hg.
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| − |
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| − | |
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| − | Cyl. temp, deg. C.
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| − |
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| − | |
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| − | Oil temp, deg. C. Oil grade* D. Eng. R.D.2472 B/O
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| − |
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| − | |
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| − | B.H.P. at Sea Level
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| − |
| |
| − | | colspan="2" |
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| − | Fuel consumption (upper limit)
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| − |
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| − | |-
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| − | |
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| − |
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| − |
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| − | |
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| − | <center></center>
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − |
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| − |
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| − | |
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| − | Galls, per hr.
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| − |
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| − | |
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| − | Litres per hr.
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| − |
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| − | |-
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| − | |
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| − | Maximum take-off
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| − |
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| − | Normal
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| − |
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| − | Emergency
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| − |
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| − | |
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| − | <center>5 min.
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| − |
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| − | 15 min.</center>
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| − |
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| − | |
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| − | <center>2550</center>
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | <center>255</center>
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| − |
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| − | |
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| − | <center>100</center>
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| − |
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| − | |
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| − | <center>139/145</center>
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| − |
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| − | |
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| − | <center>11½</center>
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| − |
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| − | |
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| − | <center>52,25</center>
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| − |
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| − | |-
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| − | |
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| − | Minimum r.p.m. at
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| − |
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| − | maximum take-off boost pressure
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>2000</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |-
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| − | |
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| − | Maximum continuous
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>2400</center>
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | <center>250</center>
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| − |
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| − | |
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| − | <center>85</center>
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| − |
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| − | |
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| − | <center>136/142</center>
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| − |
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| − | |
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| − | <center>11¼</center>
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| − |
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| − | |
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| − | <center>51,11</center>
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| − |
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| − | |-
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| − | |
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| − | Maximum weak mixture
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>2300</center>
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| − |
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| − | |
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| − | <center>Minus 4
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| − |
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| − | Minus 10,2</center>
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| − |
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| − | |
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| − | <center>230</center>
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| − |
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| − | |
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| − | <center>85</center>
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| − |
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| − | |
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| − | <center>120
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| − |
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| − | 3750 ft.
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| − |
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| − | 1143 m.</center>
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| − |
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| − | |
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| − | <center>9</center>
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| − |
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| − | |
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| − | <center>40,89</center>
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| − |
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| − | |-
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| − | |
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| − | Maximum overspeed
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| − |
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| − | |
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| − | <center>20 sec.</center>
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| − |
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| − | |
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| − | <center>2675</center>
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| − |
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| − | |
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| − | <center>Full Throttle</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
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| − | |
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| − | <center>--</center>
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| − |
| |
| − | |}
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| − | ''For information regarding the use of lubricating oils see page vii.''
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| − |
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| − | ''
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| − |
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| − | ''
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| − |
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| − | GIPSY MAJOR M K.8
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| − |
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| − | As the original Gipsy Major Mk. 8 engines (pre-mod. 1685) were fitted with Hoyt white metal bearings and all the Gipsy Major 10 Mk. 2 engines have the Vandervell main bearings, civil
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| − |
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| − | approval of the Gipsy .M. ajor Mk. 8 was neither sought nor obtained.
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| − |
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| − | With increasing numbers of Royal Air Force Gipsy Major Mk. 8 engines becoming available in the civil market, the Air Registration Board has agreed that this type of engine can be used in civil aircraft subject to the following provisos :-
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| − |
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| − | # The military log card or log book must be available.
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| − | # Before the engine may be used, the operator must comply with the current requirements of Air Registration Board Notice to Licensed Aircraft Engineers No. 16.
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| − | # On transfer of the engine from the Royal Air Force, a civil type log book must be raised and all relevant entries made in it. The log book may only be raised by the Inspection Department of an organisation approved for the overhaul of de Havilland Gipsy engines, or by a ‘ D’ Licence engineer in this category.
| |
| − | # The engine type must be recorded in the log book as “Gipsy Major 10 Mk. 2” and the engine name plate must be altered to accord with this nomenclature.
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| − | # The log book must be endorsed to the effect that only fixed-pitch propellers may be used on the Gipsy Major Mk. 8, or 10 Mk. 2, engines with Hoyt white-metal main bearings ; modification 1685 introduced Vandervell bearings to Gipsy Major Mk. 8 engines.
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| − |
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| − | The instructions and information given in this handbook for the Gipsy Major 10 Mk. 2 are equally applicable to the Gipsy Major Mk. 8 having regard to· the modification standard of the engine.
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| − |
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| − | When ordering spares for Gipsy Major Mk. 8 engines, operators must inform this Company of the engine number for which the parts are required, so that the correct parts may be supplied.
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| − |
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| − |
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| − |
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| − |
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| − |
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| − | '''''''''TORQUE LOADING TABLE'''
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| − |
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| − |
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| − |
| |
| − | To assist overhaul and maintenance operators to ensure that correct loads are applied when tightening certain nuts on Gipsy Major Series 10 engines, the table set out below lists the respective torque loading values. These values are subject to threads being lubricated, and not being stiff to turn during any part of their travel ; they are not the loadings to be applied when the appropriate studs are being inserted. The table will be amended accordingly when appropriate torque loading values are issued for other components of the engine.
| |
| − |
| |
| − | {| class="wikitable"
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| − | |-
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| − | |
| |
| − | ''Nut Part No.''
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| − |
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| − | |
| |
| − | <center>''Descriplion''</center>
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| − |
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| − | |
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| − | <center>''Torque Loading (lb. in.) and recommended tools''</center>
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| − |
| |
| − | |-
| |
| − | |
| |
| − | 800-CN-1
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| − |
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| − | |
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| − | Nut, Intermediate and Rear Main Bearing
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| − |
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| − | |
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| − | <center>500 to 600</center>
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| − |
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| − | MSW 208, TQ.S0A
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| − |
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| − | |-
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| − | |
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| − | 800-CN-2
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| − |
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| − | |
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| − | Nut, Front Main Bearing
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| − |
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| − | |
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| − | <center>300 to 400</center>
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| − |
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| − | MSW 207, TQ.S0A
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| − |
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| − | |-
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| − | |
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| − | N.372 or
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| − |
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| − | N.376
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| − |
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| − | |
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| − | Nut, Rocker Bracket (pre-mod. 2197)
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| − |
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| − | |
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| − | <center>300</center>
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| − |
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| − | <center>MSW 205. TQ.S0A</center>
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| − |
| |
| − | |-
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| − | |
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| − | N.6542
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| − |
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| − | |
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| − | Nut, Rocker Bracket (mods. 2197 or 2282)*
| |
| − |
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| − | |
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| − | Tighten to 360, slacken completely and then retighten to 275.
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| − |
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| − | MS W 204, TQ.S0A
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| − |
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| − | |-
| |
| − | |
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| − | 1900/3
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| − |
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| − | |
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| − | Nut, Connecting Rod
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| − |
| |
| − | |
| |
| − | <center>180 to 270
| |
| − |
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| − | MSW 204, TQ.50A</center>
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| − |
| |
| − | |-
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| − | |
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| − | 801/16B
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| − |
| |
| − | |
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| − | Nut, Cylinder, Holding Down
| |
| − |
| |
| − | |
| |
| − | <center>350 to 400 mod. 2329 T79017
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| − |
| |
| − | T79013
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| − |
| |
| − | T86451</center>
| |
| − |
| |
| − | |}
| |
| − | Cylinder Heads (mods. 2197 and 2282)
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| − |
| |
| − | Modification 2197 introduces a redesigned cylinder head of L.35 (' Y' alloy) which provides for the attachment of the rocker bracket to the cylinder head with three studs and one bolt. The rocker platform provides better support by improved cylinder head webbing ; the valve rocker bracket supports the valve rocker cover thus dispensing with the stirrup bracket ; the cylinder head cooling is improved by additional finning in the vicinity of the exhaust port ; and 14 mm. sparking plug adapters replace the l 2 mm. type. When this modification is embodied, the / 2 mm. sparking "plug end fittings of unscreened, and screened ignition cables are replaced with end fittings suitable for use with the 14 mm. screened type sparking plugs.
| |
| − |
| |
| − | As an alternative to the cylinder head mod. 2197, a cylinder head mod. 2282 is introduced incorporating 12 mm. plug adapters to permit the use of 12 mm. sparking plugs.
| |
| − |
| |
| − | When assembling the rocker bracket to the cylinder head, it is important that all the rocker bracket attachment nuts are tightened in rotation with small torque increments until the final torque loading value is obtained.
| |
