[modeleng] non runner

Hi

I'm building (well trying)a 3 1/2 NG Conway.

I have run the engine on compressed air.  I have now
assembled it and got steam pressure up to 70.  Opened
the regulator valve and it went straight through and
up the chimney.  I tried turning the engine over but
it made no difference other than different pressures
at different positions of the stroke.

What am I doing wrong?   Any Ideas.

Cheers

Ken


        
        
                
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