RCM Funster 20 parkflyer project - RC Groups
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Jul 26, 2017, 12:15 PM
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High_Start's Avatar
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RCM Funster 20 parkflyer project


Hello fellow balsa builders,

After giving away my Piper Super Cub parkflyer as a gift to my dad, I want to build a new parkflyer. Should be about 90 cm wingspan and full house control. The tailwheel wasn't a big succes on our small runway so needs to be a trike as well, and in addition, it should look and fly decent... After browsing the web and outerzone in particular, my eye fell on the RCM Funster 20 by Dick Tichenor, and it seems perfect!
Reduced to 58%, it gives me a wingspan of 35,09 inches or a little over 89 cm. I liked the park 250 motor for this size airplane, but I managed to break a lot of shafts and the mounting is a little goofy. Instead, powerplant will be a park 300 motor, with a 7x4 prop and a 2S 1000mah lipo, should be more that enough. I might even prop down to a 6,5x3,5 if it turns out to be too much for this little airframe. This one flies on the wing, not the prop. I won't build it with flaps, but like the Piper, it will get lights. I've already got the plans printed, so next step is to cut myself a kit. I already changed to fin outline to my taste, I know, heresy... Looking forward!
Last edited by High_Start; Jul 26, 2017 at 05:33 PM.
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Jul 26, 2017, 02:41 PM
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I am not a real electric guy, but think a 280 is not anywhere near the power of a .20 glow. Maybe if you build light.
Jul 26, 2017, 02:47 PM
AndyKunz's Avatar
He's building it at 56% so it should be just fine.

Andy
Jul 26, 2017, 05:33 PM
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High_Start's Avatar
For a full size Funster 20 spanning 60,5 inches, a park 300 would be way underpowered, but like Andy said, this one will be just a mere 35 inches wingspan. Nice parkflyer size. I've spotted a typo in the first post, it will be build at 58%.
Jul 27, 2017, 11:25 AM
Registered User
Ok, I thought 36" span was pretty small for a .20. Should GLH that way.
Nov 09, 2017, 02:44 AM
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High_Start's Avatar
So after a very busy period at work, I have finally started working on the little Funster. The fin and stab went togeather very easily, I really like the fact that the stab is airfoiled, should fly nice and allow for the CG to be quite rearward. Wing framing has started as well, and it goes together nice and easy. I got myself a set of permagrid needle files, and oh my, they make balsa feel like butter, how could I have ever build without them? Good tools are sure worth their money.
Last edited by High_Start; Nov 09, 2017 at 03:14 AM.


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