recapen(at)earthlink.net
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 Posted: Mon Jul 20, 2009 7:38 am Post subject: CHT update |
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After monkeying with my #1 cylinder blockoff plate (too many times), I ended up with a removeable plate about 3/4" tall on the outboard side gradually sloping to about 1-1/2" on the inboard side.
The cruise CHTs are within 10 degrees from highest to lowest and within 5 degrees of the average and run between 330 and 370. FWIW, cruise EGT's are within 20 degrees from highest to lowest and within 10 degrees of average and run between 1150 and 1250.
Climbing and descending get a little out of kilter - but stay within limits.
So everyone knows the environment....:
RV6A with larger main tires and 5x5 nosewheel tire and fork (grass strip)
AerosportPower IO360B1F6 (180hp)
9.2:1 pistons
AFP injection (updraft)
LASAR ignition (with CHT sender in alternate location to facilitate diagnostics)
Vetterman dual crossover heater-mufflers
SamJames Cowl and plenum (newer intake box)
AFS3400EM providing engine diagnostic data
On to more test flying,
Ralph
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