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asarangan(at)YAHOO.COM
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 Posted: Thu Mar 15, 2007 12:38 pm Post subject: Thoughts on Aileron Balance Weights |
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I have seen several builders say that most of the aileron balancing
lead ended up being drilled out, and that it was a laborious task.
I am wondering if it would be better to build the entire arm with foam,
finish and paint. Then drill some holes through the glass into the foam
core and stick some lead balls and pot them in place. You can buy tiny
lead balls by the pound, and it seems tome that I can avoid all that
drilling and achieve a more accurate balance this way.
Any thoughts?
Andrew Sarangan
http://www.sarangan.org
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grahamsingleton(at)btinte
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| Posted: Thu Mar 15, 2007 12:47 pm Post subject: Thoughts on Aileron Balance Weights |
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Andrew
that might be a tedious way to do it, I would stick with the plans
method, I only had to drill 2 or 3 holes to balance. Long time ago that
was and my memory is not reliable after a few days ?
Drilling lead is different though so experiment on a spare block of
lead, you might try a spade bit?
Graham
Andrew Sarangan wrote:
| Quote: |
I have seen several builders say that most of the aileron balancing
lead ended up being drilled out, and that it was a laborious task.
I am wondering if it would be better to build the entire arm with foam,
finish and paint. Then drill some holes through the glass into the foam
core and stick some lead balls and pot them in place. You can buy tiny
lead balls by the pound, and it seems tome that I can avoid all that
drilling and achieve a more accurate balance this way.
Any thoughts?
Andrew Sarangan
http://www.sarangan.org
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--
Graham Singleton
Tel: +441629820187
Mob: +447739582005
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pete(at)lawless.info
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| Posted: Thu Mar 15, 2007 1:52 pm Post subject: Thoughts on Aileron Balance Weights |
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Hi Andrew
I remember it was a real pain drilling out lots of lead having painted
the ailerons. Then I reread the manual and found that you should do a
basic balance before painting. It is a long time ago and I am away from
home at the moment so can't check with the book. It was a question of
how you read the instructions I think.
Regards
Pete
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paul.mcallister
Joined: 09 Jan 2006
Posts: 177
Location: Waukesha, WI USA
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| Posted: Thu Mar 15, 2007 2:38 pm Post subject: Thoughts on Aileron Balance Weights |
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Andrew, that is how i did it and it worked fine. - Paul
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asarangan(at)YAHOO.COM
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| Posted: Thu Mar 15, 2007 3:18 pm Post subject: Thoughts on Aileron Balance Weights |
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Paul
I am not sure if I understood your reply. Which method did you follow -
the procedure outlined in the manual, or the method of potting a foam
arm with lead balls?
--- Paul McAllister <paul.mcallister(at)qia.net> wrote:
[quote]
<paul.mcallister(at)qia.net>
Andrew, that is how i did it and it worked fine. - Paul
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paul.mcallister
Joined: 09 Jan 2006
Posts: 177
Location: Waukesha, WI USA
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| Posted: Thu Mar 15, 2007 3:45 pm Post subject: Thoughts on Aileron Balance Weights |
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lead shot
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h&jeuropa
Joined: 07 Nov 2006
Posts: 649
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| Posted: Fri Mar 16, 2007 5:15 am Post subject: Re: Thoughts on Aileron Balance Weights |
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Andrew,
We did it per the book and had no difficulity. Drilling the lead is easy - use a spade bit and low rpm on the drill. We probably shaped our weights wrong (made them too small) and didn't need to remove much from the port one and to balance the installed aileron trim in the stbd we had to add tungston carbide to get enough weight since the supplied weight wasn't enough and lead balls didn't add enough weight in the space avaiable.
BTW, lead balls are much less dense than solid lead.
Jim & Heather Butcher
N241BW
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grahamsingleton(at)btinte
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| Posted: Fri Mar 16, 2007 9:06 am Post subject: Thoughts on Aileron Balance Weights |
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Hi Jim
Hope your project has gone well? Do you have the glider wings fitted
yet? If so expect me in Michigan some time this year to beg a ride!
I used tungsten carbide grinding dust for the weight too. I went to a
local tool grinding shop and swept their grinder clean, mixed the dust
with epoxy and used that. Much heavier than lead shot, probably heavier
solid lead.
Graham
h&jeuropa wrote:
| Quote: |
Andrew,
We did it per the book and had no difficulity. Drilling the lead is easy - use a spade bit and low rpm on the drill. We probably shaped our weights wrong (made them too small) and didn't need to remove much from the port one and to balance the installed aileron trim in the stbd we had to add tungston carbide to get enough weight since the supplied weight wasn't enough and lead balls didn't add enough weight in the space avaiable.
BTW, lead balls are much less dense than solid lead.
Jim & Heather Butcher
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