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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).
Specification table for Cams used in Spectre & 20/25 HP Steering Parts.

Identifier  ExFiles\Box 28\3\  Scan203
Date  27th September 1935
  
X 1300
27.9.35.

SpectreCodename for Phantom III & 20/25 HP. Steering Parts.

C A M S.

L.H. for SpectreCodename for Phantom III. R.H. for 25 HP.

No. | Hand | Lead | Bearings | Crowning | Our No. | Adamant No.
1 | L.H. | 0.800 | A | 0.005 | F.87551 | M.21238
2 | L.H. | 0.800 | A | 0.002 | | M.21508
3 | L.H. | 0.800 | T | 0.005 | F.87835 |
4 | L.H. | 0.700 | A | 0.002 | F.87681 | M.21477
5 | L.H. | 0.700 | T | 0.005 | F.87834 |
6 | R.H. | 0.800 | A | 0.005 | F.61001 | M.21115
7 | R.H. | 0.800 | A | 0.002 | | M.21533
8 | R.H. | 0.800 | T | 0.005 | F.60994 |
9 | R.H. | 0.700 | A | 0.002 | | M.21534
10 | R.H. | 0.700 | T | 0.005 | F.60995 |

Hs{Lord Ernest Hives - Chair}/F.J.H.
  
  


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