REFLECTOR: Reflector Digest, Vol 117, Issue 11

Tue Dec 16 08:37:21 CST 2014

A trick I use is to use rivnuts with structural adhesive for attachments in the skin. I drill a hole for the rivnut and put a screw into the rivnut and so it is flush with the end of the rivnut I mix a dab of structural adhesive and fill the hole with adhesive. Then I push the rivnut into the hole to and force out the excess adhesive and force the adhesive to into the surrounding foam. I don’t compress the rivnut because it doesn’t grip on the glass skin very well. Just wipe the excess and leave it to dry. Once it has cured remove the screw and you have a quick and sturdy mini hardpoint for hanging adel clamps.

Nick and Connie Jones
Velocity XL-RG
N10CN

-----Original Message-----
From: Reflector [mailto:reflector-bounces at tvbf.org] On Behalf Of via Reflector
Sent: Monday, December 15, 2014 20:43
To: reflector at tvbf.org
Subject: Reflector Digest, Vol 117, Issue 11

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Today's Topics:

   1.  Question about installing clamps (Phil Hooper via Reflector)

   2. Re:  Question about installing clamps (Reiff Lorenz via Reflector)

   3. Re:  Question about installing clamps

      (Douglas Holub via Reflector)

----------------------------------------------------------------------

Message: 1

Date: Mon, 15 Dec 2014 14:53:28 -0800

From: Phil Hooper via Reflector <reflector at tvbf.org<mailto:reflector at tvbf.org>>

To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org<mailto:reflector at tvbf.org>>

Subject: REFLECTOR: Question about installing clamps

Message-ID:

     <CAOToq0UjKgYOm0GKoN=_KAApiVmnTdgpmfvMDca1SsUjo4HTkg at mail.gmail.com<mailto:CAOToq0UjKgYOm0GKoN=_KAApiVmnTdgpmfvMDca1SsUjo4HTkg at mail.gmail.com>>

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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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Message: 2

Date: Mon, 15 Dec 2014 19:56:27 -0500

From: Reiff Lorenz via Reflector <reflector at tvbf.org<mailto:reflector at tvbf.org>>

To: Phil Hooper <phil at hdmnet.com<mailto:phil at hdmnet.com>>, Velocity Aircraft Owners and

     Builders list <reflector at tvbf.org<mailto:reflector at tvbf.org>>

Subject: Re: REFLECTOR: Question about installing clamps

Message-ID:

     <BFD8FEA9F3C5194597CF740E290D0DFA2CCD66F79C at tlc10.lorenz.com<mailto:BFD8FEA9F3C5194597CF740E290D0DFA2CCD66F79C at tlc10.lorenz.com>>

Content-Type: text/plain; charset="utf-8"

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<mailto:phil at hdmnet.com%3cmailto:phil at hdmnet.com>>

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Message: 3

Date: Mon, 15 Dec 2014 21:12:15 -0500

From: Douglas Holub via Reflector <reflector at tvbf.org<mailto:reflector at tvbf.org>>

To: "Reiff Lorenz" <Reiff at lorenz.com<mailto:Reiff at lorenz.com>>, "Phil Hooper"

     <phil at hdmnet.com<mailto:phil at hdmnet.com>>, "Velocity Aircraft Owners and Builders list"

     <reflector at tvbf.org<mailto:reflector at tvbf.org>>

Subject: Re: REFLECTOR: Question about installing clamps

Message-ID: <EEEF1BB9DD99488FBC869C4A1DDE351D at DellPC>

Content-Type: text/plain; charset="utf-8"

I have a few wires that run to the nose from the instrument panel.  I made fiberglass loops on the inside of the fuselage on the sides.  I slit them after they cured so I could snap the wires in and keep them off the bottom of the fuselage where water has been known to collect.  Sorry, no pictures.

Doug Holub

N2980W, Standard FG with electric nose lift

From: Reiff Lorenz via Reflector

Sent: Monday, December 15, 2014 7:56 PM

To: Phil Hooper ; Velocity Aircraft Owners and Builders list

Subject: Re: REFLECTOR: Question about installing clamps

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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