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  1. A

    Our New Line of Aircraft and New Radial Engines

    Take over Franklin Engines next! They're evidently for sale...Franklin Aircraft Engines - Your Source for Franklin Engines, Engine Conversions, Accessories and Components.
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    zenith corvair

    Have you seen this page? If there's anyone who would know about this combination, it will be William Wynne.
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    Vision Materials?

    That's exactly what I've been reading in the Causes, Mechanisms, and Preventive Actions to Avoid Blistering technical bulletin. Priming the foam with epoxy is a requirement for sure, but as others have mentioned, Divinycell seems to soak up a lot of epoxy in this process. To help reduce the...
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    Vision Materials?

    Vacuum bagging is definitely a must for me. I am a perfectionist so I will do anything I can within reason to get things correct the first time. Aeropoxy's physical qualities need to be at least matched because of the design requirement and it doesn't look like West Systems meets that. I've read...
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    Personal Cruiser!

    My guess is that it's Airplane design, prototyping and modification
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    Vision Materials?

    I must admit, I've been following this thread quite closely as I will be building a Vision soon (as many of you know if you saw my poll earlier this year). I'm not completely for or against one foam or the other, but I will be using Divinycell for my own peace of mind. The plans prescribe the...
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    Personal Cruiser!

    Before throwing Pro-Composites under the train, did you seek any sort of feedback from them to remedy the situation? I'm getting the feeling that if Pro-Composites would offer the Personal Cruiser and Vision kits in Divinycell (or other foam), they just might sell more. Who knows.
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    Personal Cruiser!

    I could be wrong, but I believe that Advanced Composite Techniques by Zeke Smith (2005) also advocates the use of Last-A-Foam. Now if only we could get Steve Rahm (designer of the Vision and Personal Cruiser) on here, this would REALLY be interesting.
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    Personal Cruiser!

    From what I looked up here, it seems as though Last-A-Foam 4300 series is rated to 185F continuous service which is quite a bit higher than Divinycell at 158F. As autoreply mentioned, by looking at the chart from the composites FAQ, a white composite airplane would reach ~160F core temp at an...
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    Corvair stuff

    Prices? Pictures?
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    overpowering experimental aircraft

    Will, I never questioned whether there was a 3100cc engine that was viable on an airplane - I was more interested to see if someone had actually tried the 3300cc big bore conversion that Ray Sedman of American Pi offers for cars (Corvair Performance). As far as I have seen, he is the only one...
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    overpowering experimental aircraft

    3300cc on a Corvair airplane engine? I don't know of anyone who has done this yet and I would be extremely interested to hear the results. A typical big bore on the corvair is 3100cc. The only person I've seen who offers such a conversion is Ray Sedman of American Pi, and that conversion is for...
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    Vision or KR2S

    Well...It looks like the Vision won out (and the Vision just happens to be the one I secretly liked better). So what does that mean? It means that plans are on their way!
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    I'm building this baby!

    The Aerochia LT-1 looks a lot like the AR-5 and is every bit as sexy. Hopefully one day there will be a kit. I would love to continue seeing progress on your airplane.
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    Corvair Aircraft Engines - We Rebuild Them

    It looks as though Mike is simply building to William Wynne's specifications and is using many of his conversion parts. If you are looking for engine specs, check out www.FlyCorvair.com - Home of the Recognized Authority on Corvair Powered Flight. The Corvair is a good fit for airframes that can...
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    Vision or KR2S

    KR2S is indeed catching up. Nicest Vision I've seen: Vision Aircraft Nice KR2 (there are many more so its harder to pin down which one I think is the nicest) Mark Jones KR-2S Experimental Aircraft Flight Home Page
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    what size throttle body or carb?

    According to the conversion manual, an Aero-Carb for a 164cid engine would be sized at 32mm and one for a 190cid engine would be 35mm. I would say that other carbs would probably be similarly sized. If you're interested in throttle bodies, take a look at...
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    anyone done this yet?

    I would be extremely interested in the prospect of creating an airplane specific case with integrated front 5th bearing based on the corvair. If this was done and could be sold at a price point of ~$2,000-$2,500 I think there would be many interested parties. Unfortunately, I'm not good at...
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    corvair heads and case

    Do you have a copy of the conversion manual? Many of the questions you are asking can be answered there. Early model corvairs were 140 and 145 cubic inches whereas the later ones were 164 cubic inches. The 1964 was the first engine to have 164 cubic inches but the head gasket area is smaller...
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    Vision or KR2S

    That is very interesting! Thanks for the link. There is nothing that I would love more than to see additional flying examples of the Vision and I hope that he completes his project and doesn't give up.
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