Rolls-Royce Archives
         « Prev  Box Series  Next »        

Log of tests performed on Dunlop straight-sided tyres.


Identifier  ExFiles\Box 45\1\  Scan155
Date  22th November 1920
  
TESTS ON DUNLOP STRAIGHT-SIDED TYRES.
Pressures 70 lbs. rear. 65 lbs. front.
Stamp: RECEIVED
Top Right Reference: R.R.23A.100(T&S H 18).B-8-20.C 250

Table Data:

Row 1:
Date: 16.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: O front, N front, O rear, N rear
Total mileage F: 50, 50
Total mileage R: 50, 50
Daily miles: 50
Route taken: Return run from Birmingham.
Remarks: Tyres fitted at Messrs. Dunlops.

Row 2:
Date: 17.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: N front, O front, N rear, O rear
Total mileage F: 148, 149
Total mileage R: 149, 149
Daily miles: 99
Route taken: Derbyshire.
Remarks: Average speed 30 M.P.H.

Row 3:
Date: 20.11.20, 21.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: N front, O front, O rear, N rear
Total mileage F: 538, 538
Total mileage R: 538, 538
Daily miles: 389
Route taken: South of England.
Remarks: Average speed 30 M.P.H. Give & take roads. See report Hs {Lord Ernest Hives - Chair} 14/LG 22.11.20.

Row 4:
Date: 22.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: O front, N front, O rear, N rear
Total mileage F: 556, 556
Total mileage R: 556, 556
Daily miles: 18
Route taken: Local run.
Remarks:

Row 5:
Date: 23.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: O front, N front, N rear, O rear
Total mileage F: 565, 565
Total mileage R: 565, 565
Daily miles: 9
Route taken: " "
Remarks:

Row 6:
Date: 24.11.20
Tyres fitted: FD. {Frank Dodd - Bodies} 5102, FD. {Frank Dodd - Bodies} 5117, FD. {Frank Dodd - Bodies} 5099, FD. {Frank Dodd - Bodies} 5090
Position on car: N front, O front, O rear, O rear
Total mileage F: 771, 771
Total mileage R: 771, 771
Daily miles: 206
Route taken: Liverpool and back.
Remarks: Average speed 30 M.P.H. Give & take roads.

Contd.
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙