Wish my dad was this cool back in the day, lol!
The BP1 is a balanced piston design, it has 2 pistons but only one is for power.Isn't a mac BP100 a twin? It was pull from service because if the governor failed it would gernade.
Better ask a Mac pro.
Use the search here for bp100
well of course that got me curious.Mcculloch made the BP399 that was the same design as the BP1
but a two cylinder engine designed for snowmobiles but never
made it into production. A few were made and Mark Heimann
has two of them.
Lee
well of course that got me curious.
Got some nice pics here even.
http://macbobaust.com/engines.html
edit: Has anyone tried to build a counterbalanced motor, but based on this pumping action?
lol, Anyone got spare Echo evl610 sitting around to carve on?
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