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Comparing the performance of a Bijur clutch with a cork washer clutch under various conditions.


Identifier  WestWitteringFiles\K\September1923\  Scan11
Date  12th July 1923
  
R.B. 493A (40 H) (SL 42 12-7-23). J.H., D. {John DeLooze - Company Secretary}

EXPERIMENTAL REPORT.

Expl. No. 3592
REF: Wa {Mr Wallis} 2/1/C5. 8.23.

-2-

Tests taken show that the Bijur clutch will creep.

Comparative tests taken with cork washer for clutch under various conditions.

| Test. | Dry cork. | Very oily. | Average condition. |
|---|---|---|---|
| Speed at which motor creeps if engine is chocked and starter engaged - standard conditions on the car. | 3 r.p.m. | 60 to 80 Too fast to take accurately. | 15 r.p.m. |
| Amperes to cause clutch to just creep. | 260 amps. | 65 amps. | 100 amps. |

We are sending to V.W. a Bijur Clutch fitted to a dummy armature shaft, also a suitable lever. By this means the action of the clutch can easily be observed.

Hs. {Lord Ernest Hives - Chair}
  
  
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).


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