Re: Re: Approaching the new rules from a design standpoint

From: Nick Ray <lasray_at_gmail.com>
Date: Wed, 16 Apr 2014 15:55:57 -0400

I have tried to save weight on the stub for my Cat I models with extra
short motor sticks. What tended to happen was that the rear post twists the
stub apart on launch. I really think 0.013 3.9# wood is minimum for
anything that's going to have a wing post through it.


On Wed, Apr 16, 2014 at 3:50 PM, <ykleetx_at_gmail.com> wrote:

>
>
> I would not reduce the stub's cross section to start. This would be part
> of the former motor stick -- it was very stiff due to both the wood size
> used and it was under tension of the bracing line and the motor. I would
> be cautious to make this part from lighter wood.f
>
> I plan to move the tailhook and bracing post forward, then rebrace. Since
> there is 0.2 g extra weight available, I would not try to save weight here.
>
>
>
Received on Wed Apr 16 2014 - 12:55:58 CEST