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 L7 Type RH.
| Identifier | ExFiles\Box 28\3\ Scan015 | |
| Date | 24th April 1930 | |
| GENERAL ARRANGEMENT OF MARLES STEERING GEAR L7 TYPE RH{R. Hollingworth} GA 2325 REVISION HISTORY: .718 DIA OF BORE ON INNER COL WAS .707 DIA P2381 WAS P1236 29-8-30 NOTE RE OUTER TUBE ADDED 7-11-30 3/4" DIA ADDED TO HOLE 9-2-31 3 9/16" NOSE LENGTH WAS 3 25/32" .1/8" WAS 13/32" 3/4" CONSTANT WAS 5/32" P2740 + P2741 REPLACED P1917. 18-12-33 ANNOTATIONS: WHEEL BOSS 2 7/16 OUTER TUBE STANDARD FINISH BLACK ENAMEL ANY OTHER FINISH CAN BE SUPPLIED 2 HOLES, TAPPED 1/4" B.S.F. WHEN CONTROLS ARE FITTED THIS HOLE PROVIDED WHEN CONTROLS ARE FITTED SERRATION TO COME ON THIS C AS SHEWN. 36 SERRATIONS. 65° ANGULAR MOVEMENT ADAMANT STANDARD SERRATED CONE CLAMPING BRACKET TO BE BORED TO NEWALL 'B' LIMITS. DROP ARM BOSS 7/8" B.S.F. 13/16 CONSTANT FOR ALL LENGTHS OF SHAFTS 3 15/16 STANDARD LENGTH 4 3/4 STANDARD LENGTH 5 3/4 MEDIUM LENGTH 6 1/4 LONG LENGTH 6 5/16 STANDARD LENGTH | ||