[modeleng] Re: Valve Timing on simplex

Actually, the answer is there in Martin's book - 'the return crank leads the
main crank in the forward direction of travel and describes a cirrcle of
XX?" Been a long time since I did mine (or been able to find the book for
that matter) but if you set it up exactly as it says & centre the valve
using conventional methods, you should be just about there.

> Before I start, thank you all for your help last time. I have had a couple
> of good weeks in the workshop and am just about ready to set the valve
gear on
> my simplex. Thinking to myself i will have this running on air tonight
(why
> does  it take 20 times longer than you think) Anyway have looked at plans
for
> about  two days and i just Havant a clue where to start. I have had a look
at a
> martin  evens book but sadly it tells you how to design walschaerts gear
but
> not really  how to set it up. So
> 1 Where should the return crank be set in relation to crank pin?
> 2 What is the procedure for setting the valves?
> If this is going to be to complex to write on here could you point me in
the
> direction of a book, maybe the good dummies guide to valve setting.
> I really would like to see my handiwork poor as it is running before  xmas
> All the best
> Keith
>
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