Re: F1D rule change

From: Akihiro Danjo <adanjo-373_at_mx1.ttcn.ne.jp>
Date: Mon, 14 Apr 2014 22:41:47 +0900

>The math is a little off. A 0.4g motor at a 175' site would be 2/3 of a full motor flight (0.6g) at ~260'. If Brett flew 42 minutes at 175', what would he do at a 260' site? Probably greater than 45 minutes is my guess.

Although 45 minutes was not achieved for the "old" rules 55 cm F1D, I believe it would be theoretically possible on a warm day at a high enough site.

I believe 30 minutes will be achieved at Lakehurst once the hole is fixed.

Kang san,
I have done partial motor tests and found that it would be possible to do about 45 mins with 0.6g rubber, good air and super high ceiling.
So, I also believe 30 mins will be achieved with 0.4g rubber.
Aki
Received on Mon Apr 14 2014 - 06:41:51 CEST

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