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T or F If building a conventional two lobe rotor system for a Roots Style positive displacement blower the two rotors should contact one another along a tangent the entire time right? (minus of course the minimal clearance needed for the thing to run.) What I mean is the rotors should not have...

My education is limited to 12 grades. My math suffers as well but I've been able to BS my way through stuff for a long time now. There is math however that stops me dead in my tracks. I'm reading on superchargers. Hypocycloids and Epicyloids are kicking my butt. I have a Moki 2.1 cid front...

Hi Guys, I joined this forum in hopes of getting some guidance by someone who's very knowledgeable about air cooled reed valve two stroke engines used for model aviation. Particularly with wringing them out for max performance. I am building an 80cc nitromethane/methanol glow race engine for...