Just a remark - tungsten welding electrode is an efficient mass with
almost twice the density of lead.
Jan de Jong
Karl Heindl wrote:
>
>
> Hi Bud,
>
> Thank you for the advice. I am almost there. I didn't have to shave
> the weights, and the ailerons are in balance. More adjustments will be
> necessary after paint, but I left holes and, as you suggest, I can add
> more weight behind the lead . At the moment I can't tell the
> difference between left and right, and up and down. When the left
> aileron is neutral, the right one is slightly up. So I extend the
> inboard pushrd, and the aileron moves up even more. Maybe it will make
> more sense tomorrow. Time for a beer.
>
> Regards, Karl
>
>
>
> ------------------------------------------------------------------------
> From: budyerly@msn.com
> To: europa-list@matronics.com
> Subject: Re: Europa-List: Aileron deflections
> Date: Sun, 14 Jun 2009 13:11:20 -0400
>
> Karl,
> The roll rate on the MG is a bit disappointing to me as a short wing
> flier so I go for the maximum. In the event you need it during a wake
> turbulence recovery or near miss, it's imperative to have full authority.
>
> Most always I build my weights out of foam and glue them on the
> leading edge to get the throw I need plus a little for filler and
> glass. Then I make the weight arms final.
>
> Only if you build the wing perfectly do the existing weights work. So
> far my batting average is 50%.
>
> As for the fix. Die grind the things down to get the down you need.
> Reglass over the top.
>
> Now drill a hole in the foam area behind the weight and add more
> lead. I mold some round slugs a half inch diameter and just slide
> them in to a floxed hole and touch up the hole with flox and filler.
>
> The up limit is most probably the filler on the top of the aileron.
> Sand the wing skin back until you get to the point where the build in
> stop on the aileron is the limit again.
>
> Doesn't take long. And by now the touchup is a breeze. Just another
> day in the shop.
>
> Bud
>
> ----- Original Message -----
> *From:* Karl Heindl <mailto:kheindl@msn.com>
> *To:* europa-list@matronics.com <mailto:europa-list@matronics.com>
> *Sent:* Friday, June 12, 2009 8:48 PM
> *Subject:* Europa-List: Aileron deflections
>
>
> I am currently rigging my glider wings, hopefully for the last time.
> In the workshop I measured the aileron down deflection to be 20
> degrees , it is supposed to be 20 down and 23 1/2 up. Now I
> measure a maximum of 18 and 16 for down, and about 30 up.
> My question is : is it really important to stick to the figures in
> the book, or is it the sumtotal of up plus down when making a
> turn. These dreaded lead weights are the reason for the down
> restriction and I would prefer not having to shave them down.
> Any ideas ?
>
> Karl
>
>
>
>
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