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).
Blueprint detailing off-side leaf spring deflection measurements under varying loads.

Identifier  ExFiles\Box 73\2\  scan0003
Date  23th December 1921
  
OFF SIDE
F.9707.
CLOCK 'A'
2.350
2.875
CLOCK 'B'
STAMP: ROLLS-ROYCE, LIMITED
PRINT ROOM.
23 DEC. 21
DERBY
2.062 (F)
2.000 (E)
2.000 (D)
2.062 (C)
2.062 (B)
2.156 (A)
NOTE:- + - SIGN INDICATES
VARIANCE OF INITIAL FIGURES.

TABLE 1:
| LBS. | CLOCK A | CLOCK B | FRONT A | FRONT B | FRONT C | BACK D | BACK E | BACK F |
|---|---|---|---|---|---|---|---|---|
| 100 | -.003 | +.015 | NIL | +.063 | NIL | +.031 | NIL | +.031 |
| 200 | -.008 | +.040 | +.031 | +.063 | +.031 | +.062 | +.031 | +.031 |
| 300 | -.016 | +.082 | +.094 | +.156 | +.094 | +.093 | +.031 | +.031 |
| 400 | -.021 | +.120 | +.094 | +.156 | +.094 | +.093 | +.031 | +.031 |
| 500 | -.025 | +.155 | +.125 | +.188 | +.094 | +.093 | NIL | +.031 |

TABLE 2:
| LBS. | CLOCK A | CLOCK B | FRONT A | FRONT B | FRONT C | BACK D | BACK E | BACK F |
|---|---|---|---|---|---|---|---|---|
| 600 | -.030 | +.175 | +.125 | +.125 | +.125 | -.093 | -.063 | NIL |
| 700 | -.035 | +.207 | +.125 | +.125 | +.125 | -.031 | -.094 | -.031 |
| 800 | -.039 | +.242 | +.156 | +.125 | +.125 | -.031 | -.094 | -.031 |
| 900 | -.045 | +.287 | +.156 | +.125 | +.125 | -.032 | -.188 | -.094 |
| 1000| -.050 | +.317 | +.187 | +.187 | +.125 | -.094 | -.250 | -.125 |
  
  


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