[amsat-bb] Fiberglass Cross-boom Alternative?

[Jean Marc Momple]

Tony,

This side fiberglass tube for booms not available and importing same quite expensive.

You may do it yourself for a fraction of the commercial cost using PVC (non-pressure) tube as a mould and using glass 2/4 coats of fiberglass matt 300grm/m2 for strength and for finishing surface matt and plenty of resin or epoxy. sanding between the coats will be required to get it good looking

I made one to support a long VHF LF cross Yagi about 7m long and another OM here Patrice (3B8FA) for HF Quad boom and spreader (fiberglass over bambous former).

However working fiberglass may repel some as “dirty” work and particularly when sanding it as the powder may get you scratching yourself for the night, just use some vaseline over you exposed body part to avoid same.

Hope this helps.


73


Jean Marc



> On Nov 25, 2020, at 4:49 AM, Joseph B. Fitzgerald via AMSAT-BB <amsat-bb at amsat.org> wrote:
> 
> Max Gain Systems might work for you as a fiberglass wholesaler, depending on your definition of "reasonable price".
> 
> https://mgs4u.com/?fiberglass
> 
> de KM1P Joe
> 
> ________________________________________
> From: AMSAT-BB <amsat-bb-bounces at amsat.org> on behalf of Tony via AMSAT-BB <amsat-bb at amsat.org>
> Sent: Tuesday, November 24, 2020 7:00 PM
> To: AMSAT-BB
> Subject: [amsat-bb] Fiberglass Cross-boom Alternative?
> 
> All:
> 
> Is there a cheaper non-metallic alternative to fiberglass cross booms?
> Or maybe a wholesale fiberglass rod distributor that has such a beast at
> a reasonable price?
> 
> Tony -K2MO
> 
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> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions expressed
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> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb