Help! > Specific Engine Help
Pistons
Stuart:
for a loco make the 0.001 inch smaller that the bore when using soft packing a couple of thou for CI rings in CI cylinders
if you make them to good it will bind up when it get hot , its the packing coupled with the steam oil that give you the seal
to coin a phrase for our lady doctor Steam engine need to be knackered to run not really but they do need a bit of clearance
Stuart
Marinus:
Thank you for teh reply Stuart. Now I am convident that I can make a piston ;D
Steam Haulage:
"Steam engine need to be knackered to run" !!
Don't let anyone from Swindon hear you say that. It's a good job Wiltshire is a fair distance from Derbyshire.
JerryNotts
derekwarner:
Best qualify this by bore sizing........0.001"/inch is realistic for model engines from say 0.5" to 3" bore .......from there upwards the clearance should diminish :hammerbash: ...Derek
Stuart:
Derek
A the OP said he was building a tich loco so as not to complicate the issue I quoted the fit to suit his build
Stuart
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