My invention of the "Heater Damper Door" is the best thing for winter comfort. A seal kit around the front canopy is needed, and the clear vinyl divider behind the seats was the last piece needed to make my plane comfortable in cold weather. We usually do not fly if below 25 degrees, but can.
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John Bender
Flying RV-12 - Serial #120036
Paid in May ( 5-2020 )
Great invention, John, thank you. I had to make the baffle twice. CHTs need to be up around 100 C to get real warmth, and that requires very little gap. My first attempt looked like it should block nearly all the blast but I couldn’t get the CHTs much above 80 - 90. Had to make it a tighter fit.
By also slowing the air flow thru the radiator ( heater ), it allows the air to heat more. Doesn't hurt the engine, and really makes winter flying enjoyable. I designed the oil therm setup also. That keeps the engine oil warm. Overall makes the plane an all season plane.
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John Bender
Flying RV-12 - Serial #120036
Paid in May ( 5-2020 )
THANKS - - - - -
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