REFLECTOR: Main Gear Brake Heat Sheild
Rene Dugas
dugasd at bellsouth.net
Tue Sep 22 21:39:40 CDT 2009
I did the same only used polypropylene tubing from hardware store
large enough for easy replacement of my nylaflow every few years. I
left it long enough to protect tubing to about 1 " of fitting. Ift it
long enough to act as a strain relief about 8" past pivot of gear so I
am unlikely to kink nylaflow. I have replaced both main gear leg and
did the same the second time around.
Best.
Rene' Dugas
Sent from my iPhone 3GS
On Sep 22, 2009, at 6:41 PM, Scott Derrick <scott at tnstaafl.net> wrote:
> I did the same thing to create a brake tube conduit in the leg, cut 3
> inch pieces of plastic straw with a little slit on one end so it would
> fit into the next piece. glued them in place, then glassed over them.
> Looks good. I wish I had used straws a bit larger as its a real chore
> getting the nylo-flow through the leg conduit. Takes lots of
> lubricate
> a cussing.
>
> Where the nylo-flow leaves the conduit there is 4 inches of bare
> tubing to cross to the brake caliper. I split some fuel line and
> wrapped it around the nylo-flow for rock and heat protection.
>
> I glued a small piece of heat reflector onto the gear leg opposite
> the brake disk. Its a sandwich of self stick adhesive, fiberfrax or
> some high heat fabric, aluminum foil. I've never had any problems
> before with 450 hours of flying but what the heck.
>
> Scott
>
> Jack Prock wrote:
>> Many, including me have used straws from your local Fast Food place.
>> MickeyD's has large fat
>> very light straws. Others have found larger at other places. They
>> work
>> great, are very light, and are
>> the right price.
>>
>> Jack
>>
>> ----- Original Message -----
>> *From:* Bachman, Jonathan <mailto:Jonathan.Bachman at mtsi-va.com>
>> *To:* Velocity Aircraft Owners and Builders list
>> <mailto:reflector at tvbf.org>
>> *Sent:* Tuesday, September 22, 2009 9:04 AM
>> *Subject:* REFLECTOR: Main Gear Brake Heat Sheild
>>
>> What is the best way to add some protection to the main gear legs
>> to prevent overheating from the brake disks after heavy usage? My
>> plane has nothing, no shield, no wrap, and no AL tape. I’ve r
>> ead
>> about the problems that overheating the gear leg can cause and I
>> don’t want to have to go there.
>>
>>
>>
>> Also, I had to replace the nylaflow brake line to my left brake.
>> Before I glass it in like it was before, I thought I’d ask the
>> group about other options. I understand some have used braided
>> steel line instead, for the whole or part of the gear line. The
>> book talks about the possibility of glassing in a larger line so
>> the nylaflow can be replaced. If that is a good way to go – w
>> hat
>> size/type of line has been used. My local Lowe’s has line that
>> will work but is very thick and would make quite a bulge on my
>> left gear leg.
>>
>>
>>
>> Thanks
>>
>>
>>
>> Jon Bachman
>>
>> N956DR
>>
>> Std RG
>>
>>
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