Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Horsepower diagram from tests on a 1927 La Salle Sedan, detailing engine performance and power requirements under various conditions.

Identifier  ExFiles\Box 22\4\  Scan011
Date  22th July 1928
  
HORSEPOWER DIAGRAM - 1927 LA{L. A. Archer} SALLE SEDAN (L.E.C)
FROM TESTS MADE AT MASON LAB. YALE UNIV. NEW HAVEN. CONN. Nov. 1927 SER No.373
8 CYL V-TYPE ENGINE, 3/8 x 4 15/16 DISPL. 303 CU-IN. GEAR RATIO 4.54. TIRE O.D. 31.2". CAR WGT. 4520LB
EXPLANATION
A.{Mr Adams} ENGINE HP OPEN THROTTLE (100 LB) HIGH COMP ETHYL GAS
B. ENGINE HP OPEN THROTTLE (82 LB) STANDARD "ATLANTIC"
C. ENGINE HP CLOSED THROTTLE
D.{John DeLooze - Company Secretary} HP REQUIRED BY TRANSM. & REAR TIRES
E.{Mr Elliott - Chief Engineer} HP REQUIRED BY TRANSM. & REAR TIRES ON LEVEL ROAD DRIVER ONLY
F.{Mr Friese} HP REQUIRED BY TRANSM. & REAR TIRES ON 5 P.C. UP GRADE DRIVER ONLY
G.{Mr Griffiths - Chief Accountant / Mr Gnapp} HP REQUIRED BY TRANSM. & REAR TIRES ON 10 P.C. UP GRADE DRIVER ONLY
H.{Arthur M. Hanbury - Head Complaints} H.P REQUIRED ON 15 P.C UP GRADE DRIVER ONLY
I. H.P REQUIRED ON 5 P.C DOWN GRADE DRIVER ONLY
J.{Mr Johnson W.M.} H.P REQUIRED ON 10 P.C DOWN GRADE DRIVER ONLY
K.{Mr Kilner} H.P REQUIRED ON 15 P.C DOWN GRADE DRIVER ONLY
L. MAX CAR SPEED STILL AIR ON LEVEL ROAD
M.{Mr Moon / Mr Moore} MAX CAR SPEED STILL AIR ON 5 P.C UP GRADE
N. MAX CAR SPEED STILL AIR ON 10 P.C UP GRADE
HORSEPOWER POSITIVE
HORSEPOWER NEGATIVE
CAR SPEED, M.P.H.
ENGINE SPEED, R.P.M.
STAMP: RECEIVED 22 JUL 1928
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙