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Aileron Mod

Posted: Fri Feb 17, 2012 11:02 pm
by Wayne G. O'Shea
Warren, your balance weight is NOT going to double. You are static balancing
the aileron into level flight or there abouts. In reality if it was
perfectly balanced in the original form, when you add more spade in front of
the hinge line you are adding weight there and the lead balance weight
required in theory would actually be lighter!! I think MAM did make it
heavier to possibly help the stick forces some more, but I don't remember.

I do remember though that the weight, of the weights as supplied by MAM, was
stated many months back by I believe Randy and Don Boardman.

Cheers,
Wayne O'Shea
www.irishfield.on.ca
oifa@irishfield.on.ca

----- Original Message -----
From: "Warren Montgomery" <monty@emirates.net.ae>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, May 21, 2003 6:25 AM
Subject: Aileron Mod

Question for anyone that's had experience with the aileron spad mod.
Just got the qoutes for aileron mod parts. Seem a bit pricey. I had
planned on making a simple mold and melting down one of my scuba weights
for balance.
My original was 1250g so this one should be 2500g. Can someone weight
and confirm.
Is it worth buying the skin and doublers? (136 Cdn) or make from scrape?
If anything I would think buying new spade ribs and using raw stock
would be the way to go.

spade skin AIL-408 2@ 58.000 116.00
mass balance weight AIL-410 2@26.800 53.60
wingtip rib doubler plate W-730 2@ 10.000 20.00
Rivet, 1/8" x 3/16" Avex RV-1410 100@ 0.050 5.00
Rivet, 3/16" x 1/4" Avex RV-1613 12 @.110 1.32




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Aileron Mod

Posted: Fri Feb 17, 2012 11:02 pm
by RJBWoodman
Warren, I will check for you tonite at the shop for the weights if we have
them.
Randy Bowers, Don Boardman Moose130



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Aileron Mod

Posted: Fri Feb 17, 2012 11:08 pm
by Warren Montgomery
Question for anyone that's had experience with the aileron spad mod.
Just got the qoutes for aileron mod parts. Seem a bit pricey. I had
planned on making a simple mold and melting down one of my scuba weights
for balance.
My original was 1250g so this one should be 2500g. Can someone weight
and confirm.
Is it worth buying the skin and doublers? (136 Cdn) or make from scrape?
If anything I would think buying new spade ribs and using raw stock
would be the way to go.

spade skin AIL-408 2@ 58.000 116.00
mass balance weight AIL-410 2@26.800 53.60
wingtip rib doubler plate W-730 2@ 10.000 20.00
Rivet, 1/8" x 3/16" Avex RV-1410 100@ 0.050 5.00
Rivet, 3/16" x 1/4" Avex RV-1613 12 @.110 1.32




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Aileron Mod

Posted: Fri Feb 17, 2012 11:08 pm
by Warren Montgomery
Thanks Wayne, I just found an extra rudder skin that I forgot I had.
The edge is the same fold so will use it for the wider spade.
Just need someone to weigh the new weight for the spade and I'll cast a
new pair.
Thanks,
Warren

Wayne G. O'Shea wrote:
Warren, your balance weight is NOT going to double. You are static balancing
the aileron into level flight or there abouts. In reality if it was
perfectly balanced in the original form, when you add more spade in front of
the hinge line you are adding weight there and the lead balance weight
required in theory would actually be lighter!! I think MAM did make it
heavier to possibly help the stick forces some more, but I don't remember.

I do remember though that the weight, of the weights as supplied by MAM, was
stated many months back by I believe Randy and Don Boardman.

Cheers,
Wayne O'Shea
www.irishfield.on.ca
oifa@irishfield.on.ca

----- Original Message -----
From: "Warren Montgomery" <monty@emirates.net.ae>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, May 21, 2003 6:25 AM
Subject: Aileron Mod



Question for anyone that's had experience with the aileron spad mod.
Just got the qoutes for aileron mod parts. Seem a bit pricey. I had
planned on making a simple mold and melting down one of my scuba weights
for balance.
My original was 1250g so this one should be 2500g. Can someone weight
and confirm.
Is it worth buying the skin and doublers? (136 Cdn) or make from scrape?
If anything I would think buying new spade ribs and using raw stock
would be the way to go.

spade skin AIL-408 2@ 58.000 116.00
mass balance weight AIL-410 2@26.800 53.60
wingtip rib doubler plate W-730 2@ 10.000 20.00
Rivet, 1/8" x 3/16" Avex RV-1410 100@ 0.050 5.00
Rivet, 3/16" x 1/4" Avex RV-1613 12 @.110 1.32






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Aileron Mod

Posted: Fri Feb 17, 2012 11:08 pm
by Roger M Jewell
I bought the aileron mod from Murphy about a year ago. One weight is
1350, the other 1405! Maybe it's been their position on my shelf that
caused one to lose weight! (Although I've been standing near it and
haven't lost any.)

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