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).
Graph comparing the constant speed throttling curve of an S.U. carburettor with a Kestrel VI carburettor on a Kestrel VI engine.

Identifier  ExFiles\Box 31\5\  Scan287
Date  10th December 1934
  
S.U. CARBURETTER.
KESTREL VI ENGINE.
CONSTANT SPEED 2500 THROTTLING CURVE WITH S.V. CARB. COMPARED WITH KESTREL VI CARB. SHEWING THE STEEP SLOPE OF THE S.U. CURVE & THE TENDENCY OF THE KESTREL VI TO REMAIN FLAT OVER A RANGE OF CRUISING POWERS. JETS SET IDENTICAL AT RATED BOOST IN EACH CASE.
CURVE 5.
SPECIFIC CONS: PTS/HP/HR
.750
.700
.650
.600
.550
.500
.450
B.H.P.
200
250
300
350
400
450
500
550
S.U. CARB.
KESTREL VI CARB.
CRUISING RANGE.
JET SETTING.
G.H.R
10-12-34
  
  


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