[NSRCA-discussion] flutter again

[George Kennie]

Thanks Jim, You never cease to amaze with your myriad of innovative ideas
and this is another great one.
Thanks, Georgie


On Sun, Sep 15, 2013 at 8:48 PM, J N Hiller <jnhiller at earthlink.net> wrote:

>  Just got home.****
>
> George attached is a drawing of a devise I used in pattern planes with
> torque rods before I started using dual servos.****
>
> The rod inside the tube is oiled relying on molecular friction to disrupt
> hi frequency oscillation. I just used motor oil as hi viscosity oil wasn’t
> necessary. It worked well without and ‘stick-slip’ brake-away friction and
> no noticeable resistance to normal servo travel. ****
>
> Jim****
>
> ** ******
>
> ** ******
>
> -----Original Message-----
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org]*On Behalf Of *George Kennie
> *Sent:* Friday, September 13, 2013 2:01 PM
> *To:* General pattern discussion
> *Subject:* [NSRCA-discussion] flutter again
>
> ** ******
>
> Hi Guys, I'm in need of some experienced advice. I have a large foamy,
> about the size of a 46 size glow model, but it has servos similar to Hitec
> HS-65"s, but just a tad stronger. The model flies extremely well except for
> the fact that it exhibits flutter on all surfaces at speeds above about 30
> mph. Into the wind maneuvers are not bad as the speed is more easily
> controlled. ****
>
> I'm thinking that if I put larger servos with stronger holding power I
> might be able to rectify the condition and I was wondering if someone else
> might have had a similar experience and corrected the problem using the
> above mentioned solution?****
>
> Thanks for any helpful advice,****
>
>  Georgie ****
>
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