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).
Drawing showing alterations to the leverage system for the 40/50 exhaust butterfly.

Identifier  ExFiles\Box 38\4\  Scan084
Date  24th April 1925
  
ALTERATION TO LEVERAGE. NECESSARY TO MAKE EXHAUST BUTTERFLY OPEN COMPLETELY DURING FIRST HALF OF ACCELERATOR TRAVEL

LENGTH OF THIS LEVER TO BE ALTERED FROM 1.00" TO .80"
E71666
1.00
1.750"
.875
1.00"

10.50
3.45"
1.425"

E71670
E20539
1.25"
LENGTH OF THESE LEVERS TO BE 2.00" INSTEAD OF 1.25"

40/50 EXHAUST BUTTERFLY LEVERAGE

2

24/4/25.
  
  


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