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Comparative analysis of weights and specifications for Packard and R-R rear axles and bevels.


Identifier  ExFiles\Box 127\1\  scan0092
Date  24th March 1920
  
X.435
2.

To Hs. {Lord Ernest Hives - Chair} From RHC. {R. H. Coverley - Production Engineer} C.K.

RHC {R. H. Coverley - Production Engineer} 3/LG24.3.20.
X.3454
X.20-0.

RE PACKARD AND R-R REAR AXLE.

We give below particulars and comparative weights of Packard and R-R axle, also particulars of Packard Bevels.

Packard rear axle weights. R-R rear axle weights.
cwts.qrs.lbs. cwts.qrs.lbs.
Casing with brakes complete. 2 0 0 Casing with brakes complete. 1 3 24 1/2
2 road wheels with tyres & 2 2 0 2 road wheels with hubs, brake 2 2 11 11
brake drums. drums tyres.
Bevel pinion and propeller 0 1 21 Bevel pinion and prop.shaft with 0 2 17
shaft. casing.
Differential and driving 0 3 20 Differential and driving shafts 0 2 23 1/4
shafts. with driving dogs.
to tal - 5 3 13 Total - 5 3 20 3/4
complete axle - 5 3 17 complete axle - 5 3 22

PACKARD BEVELS.

Bevel wheel. Bevel Pinion.
14.062 dia. 61 teeth. 3.838 dia. 14 teeth.
angle of teeth 11° angle of teeth 74° 30'

Axle shaft bevel. Diff: Bevel Pinion.
Dia. 4.835" dia. 2.700"
angle of teeth 22° 30' angle of teeth 58° 30'
Number of teeth 24 number of teeth 12

-----------------

RHC. {R. H. Coverley - Production Engineer}

R.R.H. A 236 (1.100 T) (S) P. 840. 6.8.19. D. {John DeLooze - Company Secretary} 2160
  
  
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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