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Old Aug 03, 2010, 03:05 PM
blucor basher's Avatar
United States, PA, Lancaster
Joined Jun 2003
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Hmmm...if I were in charge of that repair, I would not remove anything. I'd trim up the breaks to make straight lines, cut the new formers to match with sharp scissors, and install with ply overlap patches made of the leftover wood.
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Old Aug 03, 2010, 03:08 PM
Guerilla Huck Power..activate!
smelyal8r's Avatar
Round Rock, TX
Joined May 2004
2,052 Posts
Quote:
Originally Posted by blucor basher View Post
Hmmm...if I were in charge of that repair, I would not remove anything. I'd trim up the breaks to make straight lines, cut the new formers to match with sharp scissors, and install with ply overlap patches made of the leftover wood.
+1, my repair was similar to this and I didn't debond anything. A dremel tool helps alot here...just gotta be real careful!
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Old Aug 03, 2010, 03:15 PM
Artillery! King of Battle!
Brill 1's Avatar
USA, KS, Scammon
Joined Mar 2002
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Quote:
Originally Posted by blucor basher View Post
Hmmm...if I were in charge of that repair, I would not remove anything. I'd trim up the breaks to make straight lines, cut the new formers to match with sharp scissors, and install with ply overlap patches made of the leftover wood.
Ahh! That is a great idea! I guess that why you're the boss! Glad I didn't start removing stuff already!

Off hand do you know the diameter of the carbon tube? I forgot to bring a piece with me and I want to run by the LHS tonight.

Thanks a million!

Brian
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Old Aug 03, 2010, 03:30 PM
I used to be all thumbs...
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United States, KS, Pittsburg
Joined Mar 2005
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I don't remember what it was, but I got some from Ihncheol a few months ago. I'm pretty sure he had more.
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Old Aug 03, 2010, 03:35 PM
Artillery! King of Battle!
Brill 1's Avatar
USA, KS, Scammon
Joined Mar 2002
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Yeah, I will bring a piece with me tomorrow. Tonight I need to take a REAL close look at the damage and see if cutting and doubling is going to work.

Should I remove the sheeting or just piece it together? Also is a scarf joint sufficient on the balsa stringers?

Brian
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Old Aug 03, 2010, 04:02 PM
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Austin, TX
Joined Jul 2005
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IMO, just piece sheeting together and use CF tube for the balsa stringer. My damage was less than yours but I didn't even fix the sheeting at all in some areas. I had a very hard landing on my repair the other day (broke the Xoar prop ) my repairs held solid.

JV

http://www.rcgroups.com/forums/showp...postcount=8354
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Old Aug 03, 2010, 10:33 PM
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United States, MO, St Louis
Joined Jan 2010
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I'm currently running Hitech 7955's all the way around in my slick and need 2 of them for another project. What digital Hitech servo's will work well in the ailerons? And if you know of a cheap place to buy them that would be a plus too!
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Old Aug 03, 2010, 10:43 PM
Lets Make a Deal
Hypersprint's Avatar
Parrish, FL
Joined Apr 2008
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Some of guys are running 7985MG's all around

Toddsmodels.com has them for $78

Rob
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Old Aug 03, 2010, 10:44 PM
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United States, CA, Hayward
Joined Aug 2004
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Originally Posted by Hypersprint View Post
Some of guys are running 7985MG's all around

Toddsmodels.com has them for $78

Rob
thats what im running and i love it. if you want a cheaper alternative the 985's are very popular!
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Old Aug 03, 2010, 11:09 PM
Artillery! King of Battle!
Brill 1's Avatar
USA, KS, Scammon
Joined Mar 2002
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Well after reviewing the damage to my Slick, I'm going ahead with replacement of the formers. I'm just not comfortable with a butt joint and a doubler route on the 2 formers that hold the landing gear plate.

I know this is going against Ben's recommendation and I will most likely regret do it...but I really want a solid landing gear area.

I'm going to think on it overnight before starting to apply Acetone.

Thanks

Brian
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Old Aug 03, 2010, 11:11 PM
blucor basher's Avatar
United States, PA, Lancaster
Joined Jun 2003
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mistake, IMO. they're not butt joints, they're double-lap joints. It's true that you can replace the entire thing, but that's only a last-resort for a totally crushed airplane.
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Old Aug 03, 2010, 11:34 PM
Artillery! King of Battle!
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OK, I will wait until I have the formers, they will be delivered tomorrow.

Should I place a ply doubler on both sides of the former? Is medium CA the glue to use or epoxy?

Thanks Ben for all you help and input. I usually make things harder than they need to be.

Brian
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Old Aug 03, 2010, 11:43 PM
blucor basher's Avatar
United States, PA, Lancaster
Joined Jun 2003
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Both sides is fine...so is one. I'd use medium CA to do the repair, then go back with gorilla all around inside.
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Old Aug 03, 2010, 11:43 PM
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United States, CA, Livermore
Joined Oct 2004
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My Motrofly 4325-380 is on it way to me, won't be long now....
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Old Aug 04, 2010, 06:33 AM
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Richmond, VA
Joined Oct 2009
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Quote:
Originally Posted by jwilson32 View Post
I'm currently running Hitech 7955's all the way around in my slick and need 2 of them for another project. What digital Hitech servo's will work well in the ailerons? And if you know of a cheap place to buy them that would be a plus too!
Here is the cheapest place that I have found 7955's.

Although I just got a bunch of 7954's from them as well. They have the same specs as the 7955's at 6 volts but on top of that they are rated for 7.4 volt operation, max out at 400 oz/in of torque and are $10 cheaper per servo.
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