Thanks Ian. This will explain why there was no movement with a piece of tissue paper over the breech.Originally Posted by I. J.
With a leaking breech the air does NOT come from out, unless I suppose in a really bad case were the end plug is dropping out. :-( Its internal and its during manufacture were the breech end plug is fitted and brazed(?) into the cylinder. Sometimes the brazing isn't 100% and thereby leaving small hollows which cause power loss.
[Yes to your standard breech seal ]
HTH
Ian
Does the spring size seem about right for a leather pistoned model?
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