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Test report and specifications for a Buick Car.


Identifier  ExFiles\Box 124\3\  scan0098
Date  15th December 1920
  
X.3317
15.12.20

X 3317. Buick Car.

Weight complete with 4-seater open touring body - hood windscreen, 1 spare wheel at back - full of oil and water. Buick Detachable rims, wood spokes with steel rim 33 x 4".

Weight front 13 cwts. 0 qrs.
rear 15 " 3 "
1 ton 8 cwt. 3 qrs.

Capacity of water system 4 galls.
" " petrol bank. 12 "
" " engine base for oil. 2 1/2 "

Gear ratios Top direct 4.16 to 1.
2nd 7.36 to 1.
1st 13.22 to 1.
Reverse 17.5 to 1.

1000 Engine revs. - 24 M.P.H.

Petrol consumption on road - average M.P.G 21.

Dynamometer Test

Revs. | Dyn.Revs. | Petrol. P.P.H. | lbs. lifted. | HP.
------|----------|------------------|--------------|-------
500 | 356 | | 32 | 10.43
750 | 534 | | 82 | 15.6
1000 | 712 | 20 | 83 | 21.2
1250 | 890 | 25 | 80 | 25.4
1500 | 1068 | 28 | 75 | 28.6
1750 | 1246 | 29 | 68 | 30.2
2000 | 1424 | 31 | 55 | 27.9

Clutch. Fairly easy changing - no jingling of plates - rather fierce - squeaks badly.

Brakes. Foot brake jaggers at times - fairly good.
Side Brake poor.

Distance to pull up with clutch out and brake hard on -

FootBrake. Side Brake.
20 M.P.H. 57 feet. 62 ft.
30 " 123 " 154 "
40 " 126 " 242 "
  
  
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).


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