Re: Re: Survey of U.S. F1D fliers before 55 cm rules change

From: Nick Ray <lasray_at_gmail.com>
Date: Fri, 7 Feb 2014 15:43:33 -0500

I used Hunt's design program to predict the duration of model with the
proposed rule change. The program predicts a 5 minute decrease in
performance.

I think number of turns available may prove to be an issue than the program
predicts.


On Fri, Feb 7, 2014 at 3:38 PM, mkirda_at_sbcglobal.net
<mkirda_at_sbcglobal.net>wrote:

>
>
> Hi Brett.
>
> I suspect that it forced innovation in design. We went from a 50 minute
> flight with 1 gram to 42 minute flight with 0.6 grams. Which represents a
> jump from 50 to 70 minutes if my math is correct. And this with less wing
> area! This is a substantial improvement overall.
>
> I liked F1D the way it was. I like F1D the way it is now too though.
>
> But like Jake, I'm pretty sure my reaction to 0.4 grams Rubber will not be
> positive initially. However we would adapt and maybe long for those 90cm
> models of yore and get over it eventually. And you will likely be pushing
> 30 minutes in short order with the changed rules and the rest of us will
> still be scrambling to keep up.
>
> Regards.
> Mike Kirda
>
>
> --- In Indoor_Construction_at_yahoogroups.com, Brett Sanborn
> <brett.d.sanborn_at_...> wrote:
> >
> > Kang are you implying that the 0.6 g rubber ended up being a positive
> thing
> > to happen to F1D?
> >
> > Brett
>
>
>
Received on Fri Feb 07 2014 - 12:43:34 CET