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Technical query and decision list regarding various chassis components.


Identifier  ExFiles\Box 72\4\  scan0117
Date  26th April 1917
  
-3-
Chassis. Description. Decision to be made by

Dynamo & Magneto Drive.
Are existing couplings satisfactory? Expt'l:Dept:
Which Damping springs E.70894/5/6/7. E.52510/1/2/3. Expt'l:Dept:

Water Pump Drive.
Remedy of oil leak through lock ring hole in housing. West Wittering(Henry Royce's home town).
Can "Radax" Bearings be obtained. Order Office.
Which damping spring E.70894/5/6/7. Expt'l:Dept:

Idler Gear.
Is thread for withdrawal nut on wheel as instructed E.71375/6/7 O.K.? Expt'l:Dept:
Are sheet packing pieces necessary for lining up gears? Expt'l:Dept:

Governor and Distributor Drive.
Mark on all Patent Nos. "E" D.O.

Water Pump.
Which finish - Black enamel (20 HP) or G.M. (40/50 HP). Expt'l:Dept: & By. {R.W. Bailey - Chief Engineer}

Oil Pump.
We have instructed the G.M. casings not the alum: ones. Have the latter been tried? Expt'l:Dept:
Are gear wheels satisfactory? Expt'l:Dept:

Wheelcase.
The first 132 sets will be made to suit square footed coil base.(E.71286) Drg: E.71325 is for use afterwards with round base.
Have coarser helicals 9DP E.71274/5/6/7/8 been tried? or 7.5 DP straight cut ground gears to E.70822/3/4/5? Expt'l:Dept:
[Strikethrough] Is loose cover necessary on water pump side. Why not make same on Dynamo Drive? West Wittering(Henry Royce's home town). [/Strikethrough]
Tyre Pump Drive?

[Text at bottom, upside down] R.R. 63 (50 T) (S.D. 408. 26-4-17) Bm. 2/156/14.
  
  
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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