steam engine

steam engine

This topic has 3 replies, 2 voices, and was last updated 6 February 2016 at 17:47 by gavin compton.

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6 February 2016 at 14:09 #224132
gavin compton
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@gavincompton68796
Hi all

i trying to set up the valve timing (slide plate) with a reverser 2 forward 2 reverse and neutral.

my first and main problem is non stop air from exhaust no matter where slide plate is. i tried pressure up to 100psi.

i can make the piston move oneway only at very high pressures (80+ psi) i run out of air before it can then make piston return (double action piston).

ATM piston is not connected to rest of model so the no binding involved and piston move my hand nice and smooth.

any help in this is very very much welcome.

Gavin
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6 February 2016 at 14:09 #7996
gavin compton
Participant
@gavincompton68796
non stop air from exhuast.
6 February 2016 at 16:52 #224149
JasonB
Moderator
@jasonb
Make sure the slide valve is free to move about on the valve rod. if they stick it prevents the valve seating on the port face.

Whats the model?
6 February 2016 at 17:47 #224160
gavin compton
Participant
@gavincompton68796
Hi Jason

its the engine that i been rebuilding

think the problem is i did the slide valve up tight on rod i will give it slack and try again in few days time when i return home.

thanks

thats pic of the valve chest
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