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Not quite the same old inline 4 underneath - this engine is only single acting,
because to make it double acting would mean double the amount of t-pieces and
cables, which is already a lot.
anyway, no valves in this engine at all, just a mechanism for squeezing the
hoses using a custom made camshaft - I’ll put up instructions on how to make my
cams later if people are interested.
There are 11 parts that are absolutely required to be modified for this engine
to work:
3x 2 stud long axle, modified to 1.5 studs.
8x 16z bevel gear (the newer round ones) - these are modified so only half the
teeth remain on one side.
anyway, it works! it has a slight dead spot, due to the last cylinder in the
firing cycle not quite being able to push the entire crankshaft around the last
bit, this has been fixed in an update however, and now the engine works like
silk...
further refinements are necessary as it’s a little slow, and I need a compressor
to test it properly.
cheers all, hope this new system is useful!
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