RCU Forums - View Single Post - OS Gemini Twin Rear Walbro Gas Conversion
Old 08-07-2022, 02:34 AM
  #163  
mitchilito
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Originally Posted by 1967brutus
What I would find interesting, is if you would have a peak RPM reading with, and without the rebreather. I would expect the RPM to rise by about 100 to 200 RPM, since the rebreather introduces not only oil (which should not make a difference wrt RPM), but also exhaust gas (piston ring blow by) which should displace some of the inducted air. More fresh air=more bang per revolution=more power.

Just curious what the possible difference might be.
My new RC Excel ignition does have a tach lead on it so I would be able to check this. Unfortunately it's under the cowl at the moment.

That ASP radial sure sounds good. . . ..