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by Blackrat
Tue Feb 06, 2018 8:40 pm
Forum: Gear Builders
Topic: Vacuum pumps
Replies: 16
Views: 6013

Re: Vacuum pumps

There is a one way valve on the pump.... so even having a catch doesnt really help ( I also thought this until I cut a pump open and saw its guts)
by Blackrat
Mon Feb 05, 2018 8:59 pm
Forum: Gear Builders
Topic: Vacuum pumps
Replies: 16
Views: 6013

Re: Vacuum pumps

I've had a pump last 7 years with zero maintenance and being used hard towards the end of its life The problem with them is that they pump their life giving oil out.... and there is no way to check how much oil is in the pump. I think I'm gonna try mounting some sort of inspection glass on the side ...
by Blackrat
Sat Feb 03, 2018 8:01 pm
Forum: Hydrofoil
Topic: Wing sizes for kite/surf/SUP
Replies: 25
Views: 5717

Re: Wing sizes for kite/surf/SUP

Called who ?

I find it strange that an American company would resort to using the metric scale ?

And that must be the surface area of the top and bottom of the wing ?
by Blackrat
Sat Feb 03, 2018 8:00 pm
Forum: Gear Builders
Topic: Vacuum pumps
Replies: 16
Views: 6013

Re: Vacuum pumps

Any fridge compressor from a scrap yard will pull a decent vacuum. They cost about $10 down here
by Blackrat
Fri Feb 02, 2018 7:06 pm
Forum: Hydrofoil
Topic: Wing sizes for kite/surf/SUP
Replies: 25
Views: 5717

Re: Wing sizes for kite/surf/SUP

I'd double check that ..... 2800cm2 ? You sure ?
by Blackrat
Thu Feb 01, 2018 12:18 pm
Forum: Hydrofoil
Topic: Wing sizes for kite/surf/SUP
Replies: 25
Views: 5717

Re: Wing sizes for kite/surf/SUP

Your weight is the deciding factor as to what foil you can use.
by Blackrat
Mon Jan 29, 2018 11:46 am
Forum: Hydrofoil
Topic: On the foil but unable to go upwind!?
Replies: 20
Views: 2740

Re: On the foil but unable to go upwind!?

Hey plummet

What board is that ? It's got hectic concave eh
Is it a diy ?
by Blackrat
Fri Jan 19, 2018 8:12 pm
Forum: Gear Builders
Topic: First foilboard mod
Replies: 12
Views: 4908

Re: First foilboard mod

If the naish is an eps board then it's a define no no just sinking the boxes in ..... you must add high density foam and then sink in the boxes into that. Bridging the top and bottom skins increases the strength dramatically but at a cost of weight.
by Blackrat
Thu Jan 18, 2018 7:19 am
Forum: Kitesurfing
Topic: DIY bar strength?
Replies: 17
Views: 1920

Re: DIY bar strength?

Imagine the chaos of a snapped bar 😐
by Blackrat
Mon Jan 15, 2018 8:59 am
Forum: Hydrofoil
Topic: Converting surf board
Replies: 22
Views: 3850

Re: Converting surf board

Hyptocrypto are you in jbay ?

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