On 12/6/2010 9:44 AM, John Tait wrote:
> Hi Martin.. I paint mine with resin. You can add colouring to the resin.
> Sky blue, or light grey seems to merge into the background fairly well.
> I'd wait until the spreaders get a little "furry" with age before
> painting them. A slightly rough surface gives a nice key for the resin.
About half way down on
http://www.rogerhalstead.com/G3_files/G3-7_files/glasair7.htm I ran a
number of tests on fiberglass prep to do laminates on "old", (well
cured) fiberglass and tests to determine a good material to use for what
is called "Peel Ply". Peel Ply goes ontop of the last layup. Once cured
you pull the "peel ply" off and the surface is ready for the next lay-up
with no sanding required.
NOTE: It's a big page with lots of photos. Clicking on images will give
a much larger view.
I ran tests with no sanding, sanding, and sanding plus a light acetone
wipe. with photos of most of the results.
With the spreaders they can be "prepped" by roughing the entire surface
with a scotch bright pad, and then wiping with Acetone. Don't wash it in
the stuff, just a cloth dampened with Acetone. This leaves the surface
tacky and will give a very good bond to the new material be it
resin/paint, or another lay-up. The sanding, or scotch brite
application is just enough to "whiten" the entire surface uniformly.
I doubt adding strength is important for the spreaders, but the above
will give very good adhesion to paint or resin.
73
Roger (K8RI)
> Vy 73
> John EI7BA
>
>
>
> On 06/12/2010 00:50, Martin Sole wrote:
>> Hi,
>>
>>
>>
>> I need to coat the spreader arms of my quad. Options for coverings are
>> limited to what I can source here in Thailand. I can buy polyurethane finish
>> but even the exterior grade ones I have seen are marked for wood and I'm not
>> sure if direct application to fibreglass would be appropriate. I am not
>> averse to coloured spreaders so would paint them if that would be a better
>> alternative. Should I then choose enamel, acrylic or some other type of
>> paint?
>>
>>
>>
>> Particular brand or trade names are not much help as they are either not
>> available here or have different names! What about a coating of fibreglass
>> resin?
>>
>>
>>
>> Would a better option be to wrap the spreaders in pvc tape or heatshrink
>> tubing?
>>
>>
>>
>> Ideas?
>>
>>
>>
>> Thanks,
>>
>> Martin, HS0ZED
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