RCU Forums - View Single Post - Pattern build, scratch (was:Plans or specs-)
Old 04-09-2006 | 09:18 AM
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cncfoam
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From: MN
Default RE: Plans or specs

OK, I will start with the basic planform. Here is what I have so far.

I am going to use the planform of the Pinnacle, in the picture above. After scaling it to my size, here is what I came up with.

Main wing span = 65"
16.375" at root
7" at tip

Stab span = 26.4"
8.5" at root
5" at tip

Fuse length, from tip of spinner to tip of rudder. 67.25"
I will probably make the Fuse 5" wide at the cockpit.

Length from LE of main, at root, to LE of Stab = 39"

How I came up with these dimensions, I just uploaded picture from above, imported it into Acad. Traced the planform, scaled it up so the wing span was 65"

Any suggestions on Airfoils for Main and Stabs?
What are some of the more popular airfoils are pattern planes using?

EZ
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