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Building Tips and technical articles. => 1/2 A building. => Topic started by: Bootlegger on June 08, 2021, 09:22:30 AM

Title: Cox medallion 09
Post by: Bootlegger on June 08, 2021, 09:22:30 AM

  What would be a good A P C prop for stunt on this engine..   Also plan to run 10-22 and 15-22 fuel..??   Much obliged    %^@     H^^    D>K   

Title: Re: Cox medallion 09
Post by: kenneth cook on June 08, 2021, 01:52:34 PM

           You could try a 7x3 or a 7x4. The APC has wide blades and typically offers more load not too mention the weight of the prop. I would try wood, older Master Airscrews with medium width blades. If you can find the Cox 7x3.5 that's another option. Ideally, the engine can run a 6x4-8x4 but in my opinion a 8x4 is asking too much from that engine . Master Airscrew did make a 8x3. Both your fuel choices are fine and you may want to use 15% if your power isn't up.

Title: Re: Cox medallion 09
Post by: GregArdill on July 27, 2021, 05:14:37 AM

Mine loved an APC 7X3.
I didn't ever consider a 4-2 run