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Old Nov 22, 2010, 06:26 AM
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Finger Lakes in NY
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EPP MiroE Psquared

I enjoy building and usually use other people's plans (I've built a lot of leadfeather designs). However, I was wanting a nice EPP pattern type plane and couldn't find a plan I liked, so I looked at wing planforms and 3 views and found a combination I thought I could make work. I bought an 42" SBach wing core from motorhead (http://http://www.e-foamy.com/products/42sbach342.php), and downloaded a pdf that contained a top and side view of the Miro F3A pattern ship designed by Rod on Flying Giants. I printed the pdf at an appropriate size for the wing, designed templates as I went and put together a nice plane. I call the result the MiroE P(squared). It flies at least as well as I had hoped it would. It was a fairly complicated build and I hope to do a short build thread eventually.
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Old Nov 22, 2010, 09:22 AM
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Nice clean work scottyo!
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Old Nov 26, 2010, 05:57 PM
Ahh...the smell of electrons!
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Finger Lakes in NY
Joined Sep 2007
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Originally Posted by sharpewing View Post
Nice clean work scottyo!
Thanks for the comps!

One of the things I am most pleased with (and proud of) is the landing gear design. I got the idea from some of leadfeather's designs. Anyway, it's got built in shock absorption. (See photos below.) I've changed to a latex tube ring instead of the the o-rings (too stiff), but it works great!
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Old Nov 27, 2010, 09:56 AM
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scottyo,

I haven't seen anything like that before. Is it just two pieces of wood glued to the foam? Let me know how it works out. That design looks interesting.

Bill
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Old Dec 03, 2010, 07:22 PM
Ahh...the smell of electrons!
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Finger Lakes in NY
Joined Sep 2007
141 Posts
Quote:
Originally Posted by sharpewing View Post
I haven't seen anything like that before. Is it just two pieces of wood glued to the foam?
It was two pieces of 1/8" ply (not lite) epoxied together as shown. Then I used a servo mounting bushing and hex head screw into an anchor nut to provide a "hook" to hold the other end of the "shock-absorber" o-ring/latex band (from the part wrapped around the axles). The flat insides of the ply had solid 9MM EPP to glue against. Turned out needing a bit of modification which I'll describe when I do the build thread. [It mainly needed some more buffer EPP to absorb some of the stress on a hard landing. (And you'd think I wouldn't need to keep learning things like that the hard way......video at 11...)]
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