Thread: Big gearbox design
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Richard Smith[_4_] Richard Smith[_4_] is offline
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Default Big gearbox design
writes:

On Fri, 18 Aug 2017 08:05:27 +0100, Richard Smith
wrote:

Not "clutch".
There were "diesel-hydraulic" locos in Britain.
"Hymek" and "Warship Class" (???).
Were they British "licences" of German designs?
Seems a very German example of precision engineering - not easily
replicated elsewhere.
Advantage is said to be that hydraulic-mechanical transmission weighed
less than electric transmission, so could pack more punch if the loco
had to be small and light due to track / axle-load, etc.
Check the real facts if interested.
Used primarily on narrow guage??

Mainline - Standard gauge - Western region of UK. Hilly routes.
https://en.wikipedia.org/wiki/British_Rail_Class_35
https://en.wikipedia.org/wiki/British_Rail_Class_42
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