REFLECTOR: Question about installing clamps
Reiff Lorenz via Reflector
reflector at tvbf.org
Mon Dec 15 18:56:27 CST 2014
Phil,
For some of the light-duty clamps I have floxed an AN3-4 bolt into the skin. For medium-duty attachments I used these bondable nuts from McMaster Carr: (part number 90611A300)
http://www.mcmaster.com/#catalog/120/3216/=v1gm94
For anything structural, I made a hardpoint specific to the application.
Hope this helps!
Reiff Lorenz, Dayton, OH
Velocity XL-RG, 65% complete
Currently working on: Pitot-static plumbing
From: Reflector [mailto:reflector-bounces at tvbf.org] On Behalf Of Phil Hooper via Reflector
Sent: Monday, December 15, 2014 5:53 PM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Question about installing clamps
Collective:
I've noticed on some Velocities that builders have fastened rubber lined cable clamps inside the fuselage and nose directly to the skin using screws, going into the foam. I thought we were to always install hard points.
One builder has advised he has driven screws in the skin and never had one vibrate loose.
I've thought about drilling a small hole, injecting cabo, flox or micro and then driving in the screw.
What's the established, safe practice? I'm hoping to avoid a jungle of hard points which seems overkill.
Thanks very much.
--
--
Phil Hooper
President
Harvest Development & Media Inc.
19851 Yorba Linda Blvd., Suite 204
Yorba Linda, CA 92886
voice: 714.693.8745
fax: 714.777.0134
web: http://www.hdmnet.com/
email: phil at hdmnet.com<mailto:phil at hdmnet.com>
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