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).
Drawing showing modifications to main shaft and counter shaft helical gear teeth contacts.
| Identifier | ExFiles\Box 125\1\ scan0260 | |
| Date | 1st August 1938 | |
| NOTE - ALL MAIN SHAFT HELICAL GEAR TEETH TO BE LEANED IN THE DIRECTION TO FAVOR CONTACT SHOWN REGARDLESS OF DRAWING SPECIFICATIONS. THE REVERSE IDLER ALSO TO HAVE MODIFIED PRESSURE ANGLES TO PRODUCE CONTACTS AS SHOWN. FORWARD DRIVING SIDE COAST DRIVING SIDE REVERSE DRIVEN SIDE FORWARD DRIVEN SIDE COAST DRIVEN SIDE FOR EXPERIMENTAL WORK ONLY 890407 COAST DRIVING SIDE PT 2-1936 NOTE-DRIVING SIDES TO HAVE FULL CONTACT OR SHADING UPWARD. DRIVEN SIDES TO HAVE FULL CONTACT OR SHADING HEAVIER TOWARD BOTTOM. NOTE-ALL COUNTER SHAFT GEARS TO BE MADE TO CORRECT LEAD, PRESSURE ANGLE, INVOLUTE AND TOOTH THICKNESS AS SPECIFIED ON DETAIL DRAWINGS. REVERSE DRIVING SIDE CADILLAC MOTOR CAR Co. DETROIT, MICHIGAN PART NAME: SKETCH SHOWING DIRECTION OF ROTATION AND TOOTH CONTACT PART NO. XB-65871 DATE: 8-1-38 Part numbers on drawing: 890379, 890380, 890381, 890382, 890383, 890384, 890385. | ||