Re: Approaching the new rules from a design standpoint

From: Phedon Tsiknopoulos <phedon21t_at_yahoo.com>
Date: Wed, 16 Apr 2014 12:55:35 -0700

My all composite motor tube will be more doable under the new rules. And I can vary the weight to whatever is needed by different fliers. And that will determine the flex. And they will be totally identical in every respect and not rely on the stiffness of balsa or lack of it.
Ciao, Phedon.

Sent from my iPhone

On Apr 16, 2014, at 11:59 AM, <mkirda_at_sbcglobal.net> wrote:

> I'm thinking 0.015" wood for the motor stick, 0.011 for the stub.
>
> I'd experiment with 7-7.5" motor sticks and extend the stub to maybe 7-8" keeping the overall length the same.
>
> A slightly thinner rubber cross section, slightly smaller prop. A 9" loop might become 6.3-6.5".
> 18" prop with maybe The M89 blade shape in carbon. Undecided on pitch. VD May become practical from a weight aspect.
>
> I'll still experiment with tip plates, but expand out to more elliptical shapes too.
> Carbon wing posts become practical. Maybe carbon capped spars too.
>
> Regards.
> Mike Kirda
>
Received on Wed Apr 16 2014 - 12:55:38 CEST