https://modelenginenews.org/techniques/minid.html https://modelenginenews.org/techniques/minid.html Mentions that this engine needs a spring start and 50% ether

https://modelenginenews.org/techniques/minid.html https://modelenginenews.org/techniques/minid.html Mentions that this engine needs a spring start and 50% ether and it runs up to 40k rpm(!) seems like it’s finicky, which makes sense given its size