air engine

[krv3000]

hi its bin a long time a go when I started this engine but with the whether piking up a bit I have dun a bit more to it I marked out the base for the cylinder to go and where the bering  post's to go and drilled them made up the two bering post's they where 15 mm thick but I have slimed them dawn to 12.5 mm I mad up the crank using 5 mm rod as its going to run on berings any way her is sum pics