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).
Road test report and specification sheet for an unnamed car, continued from a previous page.

Identifier  ExFiles\Box 124\4\  scan0017
Date  25th February 1941
  
-cont'd- - 2 -

piece feel about it. The whole car definitely has a nice one

The accommodation in the body is excellent, and the ride is quite good for a small car, although the front seat ride is better than the rear seat.

The worst features of the car, are the lack of performance and the amount of road noise in the body. It appears that no attempt at noise insulation has been made whatever.

We give herewith specification of the car and actual performance figures taken on the road :-

Top Gear Performance.

10 - 20 MPH - 8.25 secs.
20 - 30 " - 8.3 "
30 - 40 " - 10.7 "
40 - 50 " - 18.75 "

Petrol Consumption at Constant Speeds.

20 MPH - 53 MPG
30 " - 48 "
40 " - 42 "
50 " - 35 "

Average over 100 mile run - 39 MPG.

Specification.

No. of Cylinders 4
Bore. 56.77 m/m
Stroke. 88.9 m/m
Total cyl. capacity 900 cc's.
Cooling capacity. 14 pints.
Aluminium Alloy Pistons with anodised surface.
Main Bearings. 3
Pressure gear pump forces oil to all main, big end and camshaft bearings.

B.H.P. 27 @ 4,400 r.p.m.
RAC. rating 7.99 h.p.
Petrol Tank. 6 Gallons.
Oil Capacity (sump) 5 pints.
Radiator dimensions 17" x 15¼" x 2"
Barrel type tappets with "quieting" ramps on camshaft.
Cooling Thermo-syphon and fan and spring loaded valve in radiator to prevent overflow by splash.

(continued)
  
  


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