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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
General arrangement of Marles Steering Gear R7 Type RH.

Identifier  ExFiles\Box 28\2\  Scan001
Date  29th July 1930
  
GENERAL ARRANGEMENT OF MARLES STEERING GEAR R7 TYPE RH.{R. Hollingworth}
ADAMANT ENGINEERING CO LTD
NOTE:
P2381 WAS P1286 - 18-9-30
R.H. OUTER TUBE ADDED - 10-11-30
37/64 DIA ADDED TO HOLE - 9-2-31
TO SUIT
2 11/16 WHEEL BOSS
1 1/8 DIA
1.773 DIA APPROX
3/32 x 1/4 WIDE
OUTER TUBE STANDARD FINISH BLACK ENAMEL.
ANY OTHER FINISH CAN BE SUPPLIED.
THIS HOLE PROVIDED WHEN CONTROLS ARE FITTED.
1.286 DIA
7 7/8 STANDARD LENGTH OVERALL
7 1/2 LONG LENGTH
6 7/8 MEDIUM LENGTH
5 7/16 STANDARD LENGTH
ADAMANT STANDARD SERRATED CONE
DROP ARM BOSS
13/32
1 3/8
7/8 B.S.F.
2 HOLES TAPPED 1/4 B.S.F.
WHEN CONTROLS ARE FITTED
5/16 DIA
2 1/32
63° ANGULAR MOVEMENT
4 11/32 STANDARD LENGTH
1 3/32 CONSTANT FOR ALL LENGTHS OF SHAFTS
3 1/4 DIA
4 3/8 DIA P.C.
30°
SERRATION TO COME ON C/L AS SHOWN
3 HOLES 3/8 BSF
ONLY WHEN SPECIALLY CALLED FOR
Part Numbers: P 1757, P 1552, P 1600, P 2324, P 1550, P 2273, P 2327, P 2262, P 2104, S 9048, P 2145, S 9033, P 2268, P 2275, P 2330, P 2271, P 2269, P 2277, P 1362, S 950, P 2112, P 2113, P 2195, PA{Mr Paterson} 2250, P 2381, P 2197, S 9049, S 9068, S 905, P 2270, P 2278, S 924, P 2191, P 2279, P 2280, P 1884, P 1918, S 3019, S 3000, P 1742, P 2293, S 977, S 903, S 968, P 1924, S 902, S 946, S 9073.
  
  


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