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EDF to Turbine Conversions

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  • #61
    Used 1/64 plywood with aluminum tape then rolled to line the tunnel. Made single wall pipe From 316 .008 stainless and using 48mm carburetor velocity stacks on both ends to keep pipe true while spot welding. Then trimmed to final length. After removing some foam a 16oz Sulivan v boat tank will be the main. A 12oz is placed in font of to and will feed into the 16oz. Will post more as project moves forward

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    • #62
      Nice to see some posts here. I am surprised that there are not more as the Freewing airframes lend themselves really well to conversions. I have done the Avanti 80mm, F22 and the L39 so far.
      I am not knocking your T33 conversion but those tanks are quite a bit forward of the CG. You will have your hands full with that set up. Here is a pic of a 24 oz Dubro right over the CG with just a little hollowing out of foam.
      dw
      Attached Files

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      • #63
        Recently, I fitted my K30 to my very old Skysword, removing the P20 in the process. I wanted more power and needed the P20 for another project, but found that I needed a bigger diameter pipe for the 7lb thrust K30. Just by chance, McDonalds are selling a aluminium cup for $3 and it looked perfect for a bellmouth! I bought a couple, rolled up a single wall pipe and fitted everthing and had a chance to have a couple of flights. The result was spectacular, way more power, much quieter in the air and unlimited vertical. Also, if you want a simple front pipe mount, flatten a bit of aluminium or brass tube at 90 degrees to each other and you have a very strong metal mount.
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        • #64
          Short clip of my Freewing F-22 in action with X-45 Power
           

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          • #65
            Originally posted by Scale Master View Post
            Short clip of my Freewing F-22 in action with X-45 Power
            That's just way cool, Sir. When you were throttled back was the flight control mushy as in 'near stall'? Looked to have some 'yaw' complaints, LOL or is that just my eye sight failing me? Love the sound and the fact that it's turbine-powered. Bravo Zulu. Best, LB
            Captain: Got any ideas?
            F/O: Actually not.
            — Captain Chesley B 'Sully' Sullenberger III and F/O Jeff Skiles—

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