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).
Parts required for fitting Wilmot Breeden's stabilising bumpers to a Bentley chassis.

Identifier  ExFiles\Box 118\2\  scan0174
Date  1st January 1935
  
4522 Rm{William Robotham - Chief Engineer} BY/HEB{H. Biraben}5/M.1.1.35.

BENTLEY CHASSIS.

FRAMES AND FITTINGS SEC:7000.

RE FITTING WILMOT BREEDEN'S STABILISING BUMPERS TO "N" SCHEME 4301.

Please receive herewith two Blue Prints of each of the following parts, with an extra print of parts marked @ to be sent to Wilmot Breeden Ltd.,

@ FB.1813 Support Bracket Silent Bloc. 2 off. replacing FB.1736.
@ FB.1814 Flanged Bush(Stabilising Bumper).2 " " FB.1733.
@ FB.1815 Silent Bloc ( " ).2 " " FB.1732.
@ FB.1816 Stiffening Plate. 2 " ADDITIONAL.

The following is an experiment which has no connection with the above modifications, two Blue Prints attached together with an extra print of parts marked 'B'.-

'B'FB.1817 No: Plate Bracket. 2 off. replacing FB.1723.
- FB.1818 Bottom Washer(No 2 Plate Bracket). 2 " ADDITIONAL.
- FB.1819 Top " ( " ). 2 " replacing FB.1722.
'B'FB.1820 Bearing " ( " ). 2 " " FB.1725/26.
- FB.1821 Bolt " ( " ). 2 " " K.A.3508.

The following existing parts will also be required.-

K.{Mr Kilner} 3804 Thackeray Washer(No 2 Plate Bolt). 2 off. ADDITIONAL.
K.{Mr Kilner} 9006 Spring ( " Bkt:). 2 " replacing K.{Mr Kilner} 9007.
K.{Mr Kilner} 4006 Nut ( " " ). 4 " FB.1724.
FB.1727 Screw(No 2 Plate to Bracket). 4 "
K.{Mr Kilner} 4304 Nut. 4 "
K.{Mr Kilner} 9005 Spg:Washer(No 2 Plate to Bracket). 4 "

Please note we have enclosed an extra print of "N" Scheme 4301, which should be sent to Wilmot Breeden Ltd., pointing out that a flute has been added in the Front Bumper Bar.

Also, they should be told that it is not necessary to have such a large clearance hole in the Bumper Bars, as is shown on "N" Scheme 4301. This can be reduced to .0625 per side.

BY/HEB.{H. Biraben} +AEJ.
  
  


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