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bshafer(at)extremenetwork
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 Posted: Thu Dec 25, 2008 6:05 pm Post subject: Mod 73 - a safer approach |
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[img]cid:image002.gif(at)01C966CB.E5616790[/img] <![endif]-->
It took me awhile but I just finished Mod 73 using Rob’s technique and mandrel. It worked well and without issue (Thanks Rob!). The mandrel is now available if someone needs it. I’ll cover any US shipping and we’ll figure out the non-US shipping. Just let me know.
Brad Shafer
A251
Chicago, IL
From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Rob Housman
Sent: Tuesday, March 04, 2008 6:41 PM
To: europa-list(at)matronics.com
Subject: Mod 73 - a safer approach
I’d like to think that I am not the only builder to have found a way to permanently bond the tailplanes to the torque tubes.
After struggling to forcibly remove the tailplanes (which required both a large pry bar and sufficient heat) after my first attempt at following the factory’s procedure, I decided that there is a much safer way to do the job. Substitute a mandrel for the torque tube and do the work on the work bench instead on the airplane. The attached drawings show how I did this.
The epoxy still bonded the tailplane to the mandrel, even with plenty of wheel bearing grease on the mandrel and frequent rotation of the mandrel while the epoxy cured, but now I had a means to apply force against the rib via a screw into the outer mandrel section and a closed end tube against the rib (not shown in the drawings).
In addition to using the mandrel instead of the torque tube I fabricated an aluminum retainer rather than rely on the fiberglass-epoxy layup alone to retain TP06, but this is probably unnecessary.
For anyone who wants to use this method I will provide my (no longer needed) mandrel assembly at no cost – just pay the shipping charges.
Best regards,
Rob Housman
Irvine, CA
Europa XS Tri-Gear
A070
Airframe complete
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This e-mail and any attachments to it may contain confidential and proprietary material and is solely for the use of the intended recipient. Any review, use, disclosure, distribution or copying of this transmittal is prohibited except by or on behalf of the intended recipient. If you have received this transmittal in error, please notify the sender and destroy this e-mail and any attachments and all copies, whether electronic or printed.
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aireupora(at)sbcglobal.ne
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| Posted: Sat Dec 27, 2008 8:17 am Post subject: Mod 73 - a safer approach |
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Brad, I was wondering if the mandrel might help me. After completing MOD 73 without using the torque tube. I have a build up of restin on the bearing surface. I have tried to remove it with some different methods, but so far I have not had a lot of luck.
[quote][b]
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bshafer(at)extremenetwork
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| Posted: Sun Dec 28, 2008 8:06 am Post subject: Mod 73 - a safer approach |
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Rick,
Not sure if it would. Bill McClellan has it next. So you might want to get it from him and see if it helps. I’ve copied Bill on this. I’m sending the mandrel to him on Monday.
Brad
From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Rick Stockton
Sent: Saturday, December 27, 2008 10:15 AM
To: europa-list(at)matronics.com
Subject: RE: Mod 73 - a safer approach
Brad, I was wondering if the mandrel might help me. After completing MOD 73 without using the torque tube. I have a build up of restin on the bearing surface. I have tried to remove it with some different methods, but so far I have not had a lot of luck. 0 1 2 3 4 5 6 7 8 9 0 1 2 3
DISCLAIMER:
This e-mail and any attachments to it may contain confidential and proprietary material and is solely for the use of the intended recipient. Any review, use, disclosure, distribution or copying of this transmittal is prohibited except by or on behalf of the intended recipient. If you have received this transmittal in error, please notify the sender and destroy this e-mail and any attachments and all copies, whether electronic or printed.
[quote][b]
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