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).
Quotation for a variable speed gear and drive components for a chassis bumper rearrangement in the Experimental Department.
Identifier | ExFiles\Box 143\1\ scan0399 | |
Date | 14th March 1940 | |
Rm.{William Robotham - Chief Engineer} from EJJ. c. to G/Rb{R. Bowen}/FEB. [struck through] c. to Millwrights. Rm{William Robotham - Chief Engineer}/Clapham 105 1209 File EJJ/DH{D. Henderson - Showroom}18/JA.14.3.40. S7/479. OO. O/n. 19351. essrs. Crofts (Engineers) Ltd., Thornbury, BRADFORD. equipment. Derby (Millwrights department). Delivery :- 6/8 working weeks. Carriage Paid. Re:- Re-Arrangement of Chassis Bumper - Experimental Dept. 1 - 30" Horizontal type Variable speed Gear, fitted with sheet steel covers, ratio 5/1 fitted with ball bearings, constant shaft speed 230 r.p.m., variable speeds 500/100 r.p.m. capable of transmitting 40 H.P. at max. speed of variable speed shaft, constant torque. 5'11" length over output shafts, one input shaft only same side as speed control wheel. For the sum of ..................... £186. 10. 0d. 1 - Set of Remote Handwheel control comprising wall type speed indicator and chain drive to variable speed gear, and operating screw. For the sum of ..................... £ 6. 0. 0d. 1 - 'Crofts' SureGrip V Rope Drive to transmit 40 H.P. at 720/230 r.p.m. comprising :- 1 - Cast iron whole pulley 9.8" dia. grooved for 9 - 7/8" SureGrip V Rope normal bore. 1 - Ditto 30" dia. grooved as above keyed to shaft. - Continued - | ||