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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).
10,000-mile inspection report on the 18-EX chassis, focusing on the central lubrication system.

Identifier  ExFiles\Box 11\2\  02-page073
Date  21th January 1929 guessed
  
70
X7941
To: Hs.{Lord Ernest Hives - Chair}
From: G.W.H.
Hôtel de France,
Châteauroux,
Indre.
43806.
REPORT ON 18-EX
10,000 MILES
CENTRAL LUBRICATION.
We have taken off the body and wings to make a thorough examination of the chassis. All Bijur drip plugs have been tested in their respective positions under the worst conditions, i.e. dead cold. All bearings have been examined for state of lubrication. We give the original drops per min. of the Bijur drip plugs (taken under normal temperature conditions), condition of bearing surfaces as found. Bijur drip plugs that appear to be choked have been examined. We give a sketch showing how this is done. Will you please have blue prints made and attached to report.

Bijur supplying unit. Drops per min. As fitted Condition of bearings.
Road springs.
Front
Near side rear. 2 4 Well lubricated, bearing and pin worn, pin loose endways.
Near side front. 2 4 Dumb iron pin well lubricated. Spring shackle pin not lubricated, hole did not correspond with feed hole.
Jff side rear end. 4 4 Well lubricated, pin worn. Dumb iron pin well lubricated. Spring shackle pin good film of oil.
Off side front. 2 4 Bearing in good condition. Well lubricated.
Rear
Near side front end. 2 4 Anchorage pin good film of oil. Spring pin (shackle) film of oil, wants increasing, but has not be en short of oil.
Near side rear end. I 4 Anchorage pin good film of oil, wants increasing. Spring pin (shackle) film only, wants increasing (no rust).
Off side rear end. I 4 Bijur changed half way through test, passing no oil. Good film of oil.
Off side front end. 2 4 Well lubricated. Bearings in good condition.
Central foot and hand brake counter shaft. O/s I 2) Well lubricated. Bearings in good condition.
N/s I 2)
  
  


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