Re: Gearbox OD or not OD, that is the question

[Andrew Mace <amace@unix2.nysed.gov>]

On Tue, 29 Jun 1999, Peter S. wrote:

> What?!
> Surely there is a difference or nobody would bother the conversion.  I'm
> looking for something like 4th gear is 1:1 and with OD on its 1:.85
> Otherwise its not an OD at all - meaning the engine is turning slower than
> the prop shaft speed.
> Peter S

Apologies, as I think I misunderstood your question. The OD unit ratio
itself is something like .8:1 -- somewhere in that area. I think it varies
slightly among different OD units (A-type, J-type, etc.). 

--Andy

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  * Andrew Mace                         e-mail: amace@unix2.nysed.gov *
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