REFLECTOR: Insulation?

[LAURA WALKER]

Has anyone tried the self-adhesive gold foil on the outside of the bakelite-type material. It's used in a lot of racing applications and the rear mounted engine  of the road-going McLaren F1 is absolutely dripping in it. If anyone is interested, it is available at www.hrpworld.com and costs about $15 per square foot.
Bill Walker

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To: reflector at tvbf.org
Sent: Tuesday, June 24, 2008 1:00:10 PM
Subject: Reflector Digest, Vol 49, Issue 55

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Today's Topics:

  1. Re:  Insulation? (Chuck)
  2. Re:  Insulation? (SlvEgl99 at aol.com)


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Message: 1
Date: Mon, 23 Jun 2008 16:10:26 -0700
From: "Chuck" <c.harbert1 at verizon.net>
Subject: Re: REFLECTOR: Insulation?
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Message-ID: <0dda01c8d586$5303c8b0$0301a8c0 at Chuck4300S>
Content-Type: text/plain; format=flowed; charset=iso-8859-1;
    reply-type=original

Scott, I used a 1/16" thick piece of formica that I made tall enough to 
cover the gear leg from radiant heat from the brake disc. Works very well 
aat preventing heat transfer to the leg.
----- Original Message ----- 
From: "Scott Derrick" <scott at tnstaafl.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Friday, June 20, 2008 8:12 PM
Subject: REFLECTOR: Insulation?


> Seems like we could put some kind of insulating thin material between
> the leg and the axle. no?  Not eliminate but reduce the flow of heat
> from the axle into the gear leg.
>
> I have some insulation tape but i'm not sure how well it would function
> under compression.
>
> there must be a hard thin substance that could cut, 20,30, even 40% of
> the heat transmission.
>
> I have 450 hours on my V with no heat problems, but I wouldn't mind a
> little more insurance.
>
> Scott
>
> -- 
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Message: 2
Date: Mon, 23 Jun 2008 21:10:18 EDT
From: SlvEgl99 at aol.com
Subject: Re: REFLECTOR: Insulation?
To: reflector at tvbf.org
Message-ID: <d3e.2affe6bd.3591a37a at aol.com>
Content-Type: text/plain; charset="us-ascii"

I made half-moon shaped 1/4" aluminum shields. Each extends approximately  7" 
to the front, 6" up and 8.5" to the rear of the center, and mounted between  
the gear leg and stub axle. I then connected the front and rear halves of the  
wheel pants and cut them lengthwise so there is an inside and outside  
section. At the same time I took nearly 2" out of the cross section of the wheel  
pants. Each piece then mounts to the aluminum shield. This places a large shield 
between the brake rotor and gear leg. In addition it serves as a heat  sink.

Bob Wood



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