Media Summary: This engine is nearly 2 years old. 1400 rpm idle, 1800 rpm high idle, 6100 rpm fully open. 24x10 Zoar PJA wooden prop. Evo 7-77 test run with full gas conversion THis is for my next project......H9 60cc Corsair.....Just started the

Cornwall Evolution 7 77 Run Up - Detailed Analysis & Overview

This engine is nearly 2 years old. 1400 rpm idle, 1800 rpm high idle, 6100 rpm fully open. 24x10 Zoar PJA wooden prop. Evo 7-77 test run with full gas conversion THis is for my next project......H9 60cc Corsair.....Just started the First tank of fuel on Stearman 31.8 lbs dry, using 24x10 2 blade idling @ 1800 Rpms and 5100 to 5300 wot. Maiden to come soon. Started the breakin on the engine it's about the third time I fired it A really blustery and dull day. But it flew well. If you look really carefully the navigation lights are visible. Has a UMS-

Finally, after two seasons, I took down and started my amazing beautiful

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Cornwall Evolution 7-77 Run-up
Evo 7-77 run-up
Evo 7-77 test run with full gas conversion
JPHANART RADIAL ENGINES EVO 7 77 CC
Evolution / ums 7 cylinder radial engine 77cc test run on glow fuel
Breaking in an Evolution 7-77
Evolution 7 77 first run
Evo 7-77 Running
EVO 7-77 Running in on test stand
Evolution 7-77 first run
7 77mov
Evolution 77cc radial test run
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