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    Airplane For Sale Avid Catalina Project N157AB $5000

    pics at Avid Catalina Seaplane Amphibian PROJECT - aviation - by owner -... Avid Catalina Amphibious Seaplane project. TTAF 268 hours, Rotax "Rotax Rick" 670 TTSN 2 hours. Warp Drive 3-blade 68" TTSN 268. Last annual 8/2016 at Ace Aviation, last flight 8/2017. Complete log books, construction...
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    Twin engines packaged to replace O-360, both engines sharing a PSRU housing driving independent coaxial props?

    I have a pair of 582's sitting around, and a bad idea has been haunting me for a couple years and just won't go away. Two 582 or 670 two-strokes side-by-side, perhaps one inverted to place both exhausts outside, mounted to a custom shared PSRU housing, using belt drives to provide isolation and...
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    Cooling a pusher - using prop inflow over a cowl flap?

    I fly an Avid Catalina, and have enjoyed it. It came home to the garage for a re-engine, and I couldn't help but try to redesign the cooling system also. The existing system cooled the Rotax 582 with a 140 in^2 radiator hung square out in the wind in front of the engine. It cools...
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    Thoughts on making complete faired strut/cuff assemblies in a split female mold?

    The 3/8" OD tensioned strut tubes for the tail feathers of my plane are directly behind the pusher prop, and the pattern of exhaust grime makes it clear there's vortex madness going on all around back there. I've somehow got it in my head that I'm going to see amazing improvements in every...
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