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Shorten your alu-foil-mast DIY Clip

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alex 1
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Shorten your alu-foil-mast DIY Clip

Postby alex 1 » Wed Dec 09, 2020 5:35 pm

Hi,

i made a short clip how to shorten your aluminium foil-mast,

njoy
LXT
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pākihiroa (Wed Dec 09, 2020 9:24 pm)
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pākihiroa
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Re: Shorten your alu-foil-mast DIY Clip

Postby pākihiroa » Wed Dec 09, 2020 9:38 pm

This clip is very timely because I have thinking about shortening my mast. Any comments on the following alternative approaches:

(1) Using a cross slide and mill (paying careful attention to alignment) ?
(2) Using a 'multi-purpose' or specialised aluminium blade in a mitre saw ? Presumably, a lot quicker.

I realise that not everyone has access to either of these tools but, if available, why not use them if they have the potential to do a better job ?

My foil is also a Gong (M6 x 1 mm threads), Did you find it necessary to drill the holes prior to tapping ?

pākihiroa
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Re: Shorten your alu-foil-mast DIY Clip

Postby pākihiroa » Mon Dec 14, 2020 11:15 am

Update: I decided that clamping and aligning the mast in the mill was going to be problematic and instead purchased a Bosch 10", 80 tooth, 'multi-material' blade for my mitre saw. It is rated to cut aluminium, plastic, chipboard, MDF, and copper. In contrast to a conventional wood blade, the teeth are raked backwards and every second tooth has bevels rather than being square.

Image

Albeit rather costly for a one off job, this approach produced a beautiful, square, clean cut with zero drama and I would recommend it to anyone wishing to shorten their mast.

The holes in the Gong mast are 5 mm, which is the recommended diameter for an M6 x 1 mm tap into aluminium. So, no drilling required.

Maybe this is all common knowledge for most on this forum but it was definitely learn as you go for me.

Surfkiternew
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Re: Shorten your alu-foil-mast DIY Clip

Postby Surfkiternew » Mon Dec 14, 2020 12:47 pm

Trend Is 60 70 around for wave ? I see people even short than60 now...probably more difficult in choppy water but fun


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