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Thread: How can i keep my kitfox from stalling & spinning in too ????

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  1. #1
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    Default How can i keep my kitfox from stalling & spinning in too ????

    Howdy all;

    I was on the NTSB web site, looking up the kitfox accidents and I noticed a shocking trend. Of the ones I looked at, almost 90% of the people killed in a kitfox where killed as a result of a stall and spin. This is shocking; I figured some, but almost all fatalities where stall and spin related. Though, I guess the bright side is that all the other accidents were survivable, as long as they didn’t auger in. So this leads me to a question:

    My old Zenith 601 HDS was almost stall proof, it would just bobble the noise and descend tail low, and the ercoupe I leaned in would not stall at all, but of course both of these planes have limited up elevator travel, and no flaps, so maybe that helps.

    How can I make MY kitfox 4 Stall and Spin proof? (or at least highly spin resistant). Are there some design changes? Rigging changes? Or maybe just flying it only in a particular manner (only 10% flaps max?).

  2. #2

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    Default Re: How can i keep my kitfox from stalling & spinning in too ????

    It would be interesting to know how many of those were flown with the CG out of the box.
    Dwight B. Van Zanen
    Maple Valley, WA and
    West Columbia, SC
    PP/ASEL/IA
    Avid Mk 4 Aerobat

  3. #3
    Senior Member Esser's Avatar
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    Default Re: How can i keep my kitfox from stalling & spinning in too ????

    I have seen plenty of kitfox videos on the internet of guys using extreme climb out angles and Vx for really no reason. If you stall 150feet from the ground on climb out and drop a wing you don't have too much time to recover. And if you do try to pick up the wing with aileron instead of rudder the wing drop gets worse. I am guessing with flaperons that effect is compounded. Just my two cents.

  4. #4
    Senior Member Dorsal's Avatar
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    Default Re: How can i keep my kitfox from stalling & spinning in too ????

    I find the 7 stalls pretty gently but I do have an AOA indicator that gently reminds me if I am anywhere near a stall.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  5. #5

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    Default Re: How can i keep my kitfox from stalling & spinning in too ????

    I would have to say the Kitfox is no more prone to stall/spin accidents then any other aircraft. The NTSB reports are riddled with stall/spin accidents from SR22's to Powered Chutes. The way to keep that from happening is to pay attention, keep things coordinated and be wary of the "Impossible Turn" if you loose the motor on takeoff. I doubt there is any mechanical way to make the KF spin proof.

  6. #6
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    Default Re: How can i keep my kitfox from stalling & spinning in too ????

    I think the kitfox protects the occupants so well that only the really high energy crashes kill the folks inside, the kind of energy developed in a spin. Other planes will kill you even in low energy crashes (like landing upside down) because of high landing speeds and no steel cage to protect the occupants, so I think that's why fatal crashes with the kitfox seem to all be stall and spin related.
    Of course, in general aviation, statistically if a pilot suffers and engine outage and a death results, almost 70% of the time the death results from loss of control after the engine fails and not just because of the “loss of engine” specifically. I broke the prop of my Zenith once, and made a normal landing in a bean field, then again I did keep flying the plane all the way down.
    Roger

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