[UK-CONTEST] Gin Poles/Falling Derricks

[Pete Lindsay]

Tom ,

Just use a standard scaffolding coupler they are cheap and very
strong. I have had many "jaybeam" type couplers fail but since
changing to these 20 years ago not a single problem since. When we
have had the occasional "incident" the coupler has never failed even
when the scaffolding pole has ended up looking like a banana !


Pete, G4CLA

On 23 June 2010 11:51, Tom Boucher <tom at telemetry.demon.co.uk> wrote:
> Does anyone know a source of external 2 inch mast couplers without that weakening slot? They do exist because I have one. I also have some internal expanding couplers which are probably stronger than the external things.
>
> Tom G3OLB
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