On 12/8/2010 12:40 AM, Martin Sole wrote:
> Thanks for all the info on coating for my fibreglass spreaders. To summarise
> I think:
>
> 1. They are already "furry" so I think I can get straight to painting
If they are furry, I would expect there would be some residue that
should be removed for the best adhesion of paint or resin. OTOH for just
a coating I'd not expect maximum adhesion to be necessary.
73
Roger (K8RI)
> them.
> 2. Either FRP resin, epoxy based paint or latex paint should do the
> job.
> 3. Nothing is likely to last more than say 5-10 years.
> 4. Wrapping with tape might suffice in the event I cannot locate
> another suitable covering.
>
> Hopefully I can get the quad finished this winter season and back in the air
> before the hot weather returns around March. It is a 2 element Lightning
> Bolt with 5 bands that I plan to feed individually through a tower top
> switch. I also plan to add 30m and 40m folded dipoles as per EI7BA. I may
> also move the 10m and 12m driven elements as I think the 8 foot boom is
> really too long for them. Finally adding 6m might be possible even though we
> do not (yet) have an allocation there.
>
> Thanks for all the input.
>
> Martin, HS0ZED
>
>
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Martin Sole
> Sent: 06 December 2010 07:51
> To: 'TOWERTALK@contesting. com'
> Subject: [TowerTalk] Protecting fibreglass spreaders
>
> 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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