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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).
Blueprint showing frame deflection measurements for a 20-HP chassis, with and without tie-rods.

Identifier  ExFiles\Box 75\3\  scan0350
Date  17th September 1925
  
- OFF-SIDE. -
TOTAL DEFLECTION - WITH TIE RODS.
A .100, B .100, C .232, D .260, E .385, F .420, G .480, H .487, I .490, J .495, K .500, L .325, M .350, N .220
TOTAL DEFLECTION - WITH TIE ROD PINS REMOVED.
A .100, B .145, C .320, D .395, E .565, F .600, G .693, H .687, I .690, J .675, K .632, L .415, M .400, N .235

- NEAR-SIDE -
TOTAL DEFLECTION - WITH TIE RODS.
A .025, B .162, C .270, D .270, E .442, F .430, G .460, H .500, I .500, J .500, K .485, L .333, M .300, N .167
TOTAL DEFLECTION - WITH TIE ROD PINS REMOVED.
A .100, B .182, C .370, D .380, E .605, F .575, G .605, H .670, I .675, J .650, K .590, L .502, M .400, N .212

- FRAME DEFLECTIONS - (WITH & WITHOUT TIE-RODS) -
- 20-HP -

40/50 H.P. CHASSIS TIE-RODS MODIFIED TO SUIT.
NOTE:- EACH MARGIN REPRESENTS DIMENSION IN FEET ON FRAME SIDES
C of FRONT AXLE
C of REAR AXLE
LOADS: 400 LBS, 1200 LBS, 1100 LBS, 2200 LBS, 400 LBS
DIMENSIONS: 80.000, 44.000, 22.000, 48.000, 24.000, 12.000, 17.500
STAMP: ROLLS-ROYCE LTD PRINT ROOM 17 SEP 1925 DERBY
  
  


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