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 for a crankshaft under various modifications.

Identifier  ExFiles\Box 14\2\  Scan073
Date  11th November 1929
  
X7090.
S.S. C'SHAFT MI TESTS
E79640:- LARGER PINS.
Wt = 92 LB 7 OZ t = 17.4/20 = .87 SECS.
E78456:- STANDARD
Wt:- 79 LB 10 OZ t = 17.4/20 = .87 SECS
E78456'- CHAMFERED
Wt:- 75 LB 5 OZ t = 16.6/20 = .83 SECS.
APPARATUS THE SAME IN EACH TEST. CONSISTING OF
ALUM STRIP 20x2x1/4 + 2 BOLTS ETC 6.550 CTS.{C. Trot Salt - Carburation}
Wt OF TACKLE 1LB 3OZ.
E79640 AFTER CHAMFERING WEBS
Wt = 86 LB 11 OZS t= .84 SECS. = 16 4/5 / 20 OSC.
d=1.5' l=10.6 FT. TACKLE AS ABOVE 1LB 3OZ.
E79640. AFTER BORING C'PINS LARGER.
Wt = 79 LB 1oz (WEIGHED 15-1-31)
FILE UNDER
40/50 CRANKSHAFTS
  
  


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