I still have a turbo. Info at schml...@blogspot.com.
Jeff Sent from my iPhone > On Feb 14, 2021, at 7:34 PM, John Gotschall via KRnet <krnet@list.krnet.org> > wrote: > > I have been dreaming of cracking this nut for decades, yet only TODAY did I > ever see revmaster's turbo 2100cc horsepower/boost graph! > > mine is 2180 so might be off a tad, but Revmaster did a lot of testing, > then put the test setup in the attic. Years later I asked and they dug out > the test manifolds and sold them to me!. I found a used rayjay and bolted > it up best as I could and did some run tests. > > It does boost, will boost over 33" static ( never flown it) but I was > afraid to push it any further. > > The scuttle I heard (rumor) was they did dyno testing with the manifolds I > have. They did not want to sell them because they were high time, the > exhaust section does look worn. > > The revmaster chart says takeoff power at 36" manifold pressure is 80hp. I > would have bet 34 tops. I was wrong. Or maybe for my 2180 34 will be tops > for the extra 80 cc. Comments? > > some internet checking says 2" mercury is 1psi, or close. So 29,9 or let's > say 30 boosted to 36" hhg is gonna be 3psi boost. And I have been told > 3psi boost is the typical amount needed to compensate for the power lost > running the exit turbine. > > This seems reasonable to me. > > I broke an airplane by being too busy in the cockpit, so now it HAS to be > simple, meaning I am not going to be watching the over boost because a > simple machine can do that. I have far more important things to do whilst > flying. I am not going to reach out and strike a match or flint every > other time a piston come to tdc either. > > I have a mountain range near home so need to climb 10,000 or 12,000 from > sea-level ASAP. My natural respiration planes start getting weak around > 7000. By 10, 000 I have been waiting Way toooo looong. So 80 hp is fine, > but I dont want 50 hp at 9000. > > Waste gate will be here soon, will add it into the crossover tube and dump > it out the bottom. Now to control it........ > > Oh, and what about a oxy sensor and mixture servo? > > jg > > > > > > > > >> On Sun, Feb 14, 2021, 3:45 PM Chad Robertson via KRnet <krnet@list.krnet.org> >> wrote: >> >> I kind of had the same question on turbos I had considered putting one on >> mine and the over boost was a concern I was just wondering if you knew that >> 38 inches was equal to 12 pounds of boost which I have no idea just just >> throwing out numbers could you not get a turbo with a build in wastegate >> that is set at 10 pounds of boost because they make several turbo chargers >> with adjustable waist _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
