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Here is my Super Cub StyroSpray 1000 experiment once again getting closer to the final coat. Up to this point the fuselage has been covered in Light Spackle mixed with a little water. Let it cure a couple of days. Sanded to 220. Coated with Concrete Sealer. Then sprayed with Latex Primer. That was sanded to 220 then 320 wet. Then coated with two coats of StyroSpray as mentioned in an earlier post. That cured a week. ( I always let my stuff cure extra long). Then sprayed with Latex Primer. Now at this point it was sanded dry 220, wet 320 to reach the pictures below. All this has been to see if the StyroSpray is worth putting on foam planes to not only beef their skin up, but to see how it smooths out the finish. Overall, I wasn't that impressed at first with the StyroSpray as I first tried it. I learned some lessons on how to use it and find that it does toughen the foam surface, but will be impossible to sand once cured. It will only be as smooth as the surface it goes onto. It does make the soft Super Cub seem like it has a shell on it. I now appreciate it more and don't think that it adds that much weight for the benefits it gives. The Cub fuselage looks 100 times smoother then when I started. It is way tougher then Minwax Polycrylic. Now I have to final spray the finish coat and see how it looks.
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Latest blog entry: Freewing V2 Me 262 revival
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What about the skin guys normally apply and heat shrink over a balsa frame? One YouTube video suggested heavy white vinyl tape for the belly and top of the fuse.
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aaaaaaa |
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I finally got to maiden my plane today. I went behind a local school that, thank goodness, had a baseball diamond also. I soon discovered that I needed to taxi off the smooth infield because the grass was too high. I ordered bigger wheels yesterday, so, I hope they help.
It's been a while since I've flown a plane and I have to remember/ program myself into using elevator for lift and not more throttle like everything else I fly. I did the battery box mod to get the lipo in better, but have a heck of a time making the connection with my fat fingers. I can barely get my fingers on the connection off the receiver. |
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Make sure you trim the plane for level flight at mid throttle next time up. Honestly you sound like you are forcing a takeoff too soon if you need elevator, this plane climbs by itself under full throttle.
I also connect the battery before inserting it in the battery compartment. Then remove the battey from the compartment and disconnect it. I think you have a few terms mixed up, elevator controls plane pitch, the wing generates lift with airspeed. Control altitude with throttle and pitch control with elevator. |
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Last edited by jrtubb; Aug 25, 2016 at 05:56 AM.
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Honestly if you are putting the battery in the same compartment as stock the cg should be fine.
The measurement is the distance from the leading edge of the wing to the point on both sides of the fusalage that the plane balances, this is the CG, or center of gravity. I've never bothered to check this with the cub. |
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