Re: Another trimming trick for flapped gliders

From: Chuck Slusarczyk <chucks2000_at_roadrunner.com>
Date: Sat, 9 Feb 2019 13:41:08 -0500

On 2/6/2019 10:43 AM, joshuawfinn_at_gmail.com [Indoor_Construction] wrote:
>
> This split flap design is something I learned from watching the videos
> of European F1N contests. It seems to work really well and makes the
> models easier to trim for a good glide transition while also improving
> glide performance. I saw a 25% increase in best glide time from the
> first model in this video by making that one change. Unfortunately the
> benefit doesn't show in the video because the humidity started rising
> and that model got really unhappy. The second model also showed a
> boost in performance, from a best time of 29 seconds up to 34
> seconds. Unfortunately I don't have a way to measure the launch height
> when flying outdoors like this, so I don't know exactly how high these
> were going. I think the second model was getting around 30 ft, but it
> could be more...or less... I'll have better data when I fly these
> models indoors on Friday.
>
>
> https://www.youtube.com/watch?v=AzlLr5Thtks
>
>


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Received on Sat Feb 09 2019 - 10:41:12 CET

This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:49 CET