Rolls-Royce Archives
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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).
Test results table for E.W.6 Magneto with different numbered armatures.

Identifier  ExFiles\Box 65\3\  scan0357
Date  16th April 1929 guessed
  
E.W.6. Magneto. X7791
Armature | N°2 | N°8 | No1 | N°1 | N°7
| 17° R.p.lot. | 17° R.p.lot. | 10° R.p.lot. | 17° R.p.lot. | 17° R.p.lot.
High speed | 5000 | 5,000 | 5,000 | 5,000 |
Low speed (A) | 70 | 50 | 70 | 70 | 60
(30°) | 100 | 70 | 110 | 95 | 90
(R°) | 170 | .130 | 180 | 110. | 160
Leak | | | | |
Advance Lead 1 | 3,000 | 2,000 | Cutting out | 5,000 | --
(High) " 2 | 3,000 | 3,200 | " " | 2,800 | --
Retard " 1 | 500 | 380 | 360 | 500 | 460
(Low) " 2 | 360 | 360 | 320 | 400 | 510
Contact Breaker | Normal. | Normal | Normal | |
  
  


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