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XS650

LSD, no not that one Limited Slip Differentials

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I wonder why these were not used on British 4x2 vehicles in WW2 , thinking particularly of the many 15cwt 4x2s that were used in combat roles .

Expense ? technology? Reliability ?

Had modern  vans with LSD and it transforms them off road.

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2 hours ago, XS650 said:

I wonder why these were not used on British 4x2 vehicles in WW2 , thinking particularly of the many 15cwt 4x2s that were used in combat roles .

Expense ? technology? Reliability ?

Had modern  vans with LSD and it transforms them off road.

 

I believe Porsche was developing LSD in Germany in the 1930's for racing, probably got patents on it. British vehicles went on extensive off road trials before being given contracts to supply and costs would have been a factor as the country was still getting over WW1. Even the Yanks did not have it, .... or did they ?

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1 hour ago, Richard Farrant said:

I believe Porsche was developing LSD in Germany in the 1930's. 

In 1935, Porsche commissioned the engineering firm ZF to design a limited-slip differential to improve performance.[citation needed] 

(from Wikipedia) 

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8 minutes ago, Matador_Doris said:

L.S.D most commonly stood for pounds, shillings and pence back in the day. 

There is a link there, it would cost a lot of LSD to fit LSD's to WW2 vehicles !!! 😎

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A simple lockable diff where a dog clutch locks one halfshaft to the diff carrier as fitted to most modern trucks would probably have been a better solution than a LSD, ask any 4x4 trialers.

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18 hours ago, radiomike7 said:

A simple lockable diff where a dog clutch locks one halfshaft to the diff carrier as fitted to most modern trucks would probably have been a better solution than a LSD, ask any 4x4 trialers.

Fair comment , perhaps the question should have been why no locking diffs on 4x2's? 

Would this have been a simple addition in WW2 ?

BEF BEDFORD OY 3 TONNER GS  2ND DIV  2 FIELD HYGIENE SECTION

 

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