Purpose of horizontal tail surface on model helis? - Page 3 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 04-27-2012, 10:10 AM   #21
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Re: Purpose of horizontal tail surface on model helis?

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To me, it looks like there's positive pitch on that horizontal fin, which would cause the nose to go down right? I would think that's more to make it easier in FF so the pilot's not always pushing forward on the cyclic.

I wouldn't think there's any way to counter the heli having to be tilted forward in FF. If it was level, the only thrust would be up, therefore no FF.. right?

Anyway, it sounds like this "tuck" is a fairly common issue, so I would imagine it's due to some common physical phenomenon? I just can't imagine what. lol!
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Old 04-30-2012, 03:02 PM   #22
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Re: Purpose of horizontal tail surface on model helis?

Can't remember where but, I saw a horizontal stab mounted out the tail boom at the distance of the main rotor radius (i.e. lined up with the blade tips) with anhedral......to deflect the blades in case of an impending boom strike. I think it was an old Hirobo Shuttle. Seemed pretty practical to me....

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heli , helicopter , horizontal , surface , tail

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