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).
Status report on engineering drawings for the Spectre 12-cylinder engine and associated components.
| Identifier | ExFiles\Box 133\4\ scan0041 | |
| Date | 12th June 1935 | |
| - 10 - BY.12/J.12.6.35. SPECTRECodename for Phantom III 12-CYL. ENGINE. -------------------------- LeC. 4408 Exhaust Manifold .500 Lower ................. Recd. 11.3.35. Detail drawings completed and issued ............ 21.3.35. LeC. 4417 Single Valve Spring with Gland Spring ........ Recd. 13.3.35. Detail drawings completed and issued ............ 26.3.35. LeC. 4419 Temporary Scheme for increasing inertia of Slipper Flywheel with external rings ............ Recd. 3.4.35. Detail drawings completed and issued ............ 4.4.35. LeC. 4424 32-EX. Additional Handholes. L.H. Side ...... Recd. 25.3.35. Detail drawings not required. LeC. 4427 Lower Eccentric Ratio for Auto Adj. Tappets. Recd. 25.3.35. Detail drawings completed and issued ............ 4.4.35. LeC. 4428 Modfn. to Conn. Rods ...................... Recd. 15.4.35. Detail drawings completed and issued ............ 27.4.35. LeC. 4440 Front Bumper & Fixing ..................... Recd. 28.3.35. Detail drawings completed and issued ............ 11.4.35. LeC. 4441 Valance & Bonnet Side Plate ............... Recd. 28.3.35. LeC. 4442 Bonnet Rest Plate ......................... Recd. 2.4.35. Detail drawings completed and issued ............ 9.4.35. LeC. 4443 Detail of Front Bumper .................... Recd. 28.3.35. Detail drawings completed and issued ............ 11.4.35. LeC. 4445 Side Spare Wheel Carrier .................... Recd. 4.5.35. Detail drawings completed and issued ............ 28.5.35. LeC. 4448 Rear Step Iron ............................ Recd. 30.3.35. Detail drawings completed and issued ............ 8.4.35. LeC. 4455 Bonnet Catches ............................ Recd. 10.4.35. Detail drawings completed and issued ............ 12.4.35. LeC. 4470 Cast Iron Tappets ......................... Recd. 25.4.35. Detail drawings completed and issued ............ 17.5.35. LeC. 4482 Arrangement of Frame ...................... Recd. 8.3.35. Detail drawings completed and issued ............ 30.5.35. | ||