[UK-CONTEST] Fibreglass Mast

[Peter Hobbs]

A couple of pop rivets before taping, etc. have worked for me in the 
past and can easily be drilled out when needed.

73, Peter G3LET

Clive GM3POI wrote:

>Either fibre glass resin or try a couple of hose clamps next to each 
>other. That has worked here, the other thing is avoid having to guys too 
>tight. 73 Clive GM3POI
>On 02/05/2011 08:03, Dave Lawley wrote:
>  
>
>>I'm currently using a mast of about 38ft to support a doublet. Most of
>>the mast is made of a telescopic fibreglass mast bought on eBay. I
>>removed the top two sections as they are very flimsy, and attached light
>>wires and 300ohm feeder to the top with cable ties, making a lightweight
>>structure.
>>
>>Each joint in the mast was pulled out to a tight fit, then taped and
>>finally a cable tie installed over the top. It is guyed at the top and
>>middle.
>>
>>However, in the strong winds of the weekend a couple of sections have
>>telescoped and I now only have a 30ft mast for entry in this evening's
>>80m CC contest! This was mainly due I think to wind pressure on the
>>wires and guys applying a strong compressive force on the mast.
>>
>>My question to UK-contest is what is the best way of fixing the
>>sections? I'm not too bothered about being able to telescope the
>>sections again so I could glue it, what type do you recommend or
>>alternatively would it work to use rivets to fix the joints? Any other
>>suggestions gratefully received.
>>
>>73, Dave G4BUO
>>
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>>UK-Contest at contesting.com
>>http://lists.contesting.com/mailman/listinfo/uk-contest
>>
>>    
>>
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