quote:

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Originally posted by wendell

Therefore I assume the percentage difference is relative to -273C, so when decrepit says 0 to 25 is a bigger change than 25 to 50, it's only about a 10% difference (between those two ranges,

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That sounds right to me, so the difference beetween the 2 ranges would be a fraction of 1%, as I said, no practical difference. But just thought it would be interesting to point out that the lower temp range is theoretically more harmfull.

Keep the vent plug open at all times the board is not in the water.
Only close the vent plug for sailing.
If you don't use the vent plug sell your board after a couple of years.
Don't but a used board that has had the vent plug always closed.

So how does your Stoner react in a hot car Miller?
Whats the construction materials?

hmmmm dunno, i suppose there's no issues with closed cell tech, but i always open my windows a bit anyway ..just in case


mark if eddy was going to have a dog it would be yours, no questions.

quote:

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Originally posted by Juice

Keep the vent plug open at all times the board is not in the water.
Only close the vent plug for sailing.
If you don't use the vent plug sell your board after a couple of years.
Don't but a used board that has had the vent plug always closed.

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Why?

I open my vent plugs on one occasion only and that's when my board goes in an aeroplane.

In my opinion more damage is done by forgetting to put that plug back in (i've seen it many times) and getting water in than leaving it in for super extended periods.

The biggest 'pressure shock' to a board is when it goes from ambient air into the water and at that time your bung is always in, you hope. Taking the bung out once you leave the water seems pointless to me as the thermal/pressure changes are far more gradual.

I can see your point if you leave your board in the car all day parked in the sun.

"Why?" are you kidding? check out the board lady she'll explain it in real simple terms.
Forgetting to put the vent plug in damage is related to the operaters brain power or lack of.

Dudes who ever doesn't use the vent plug is a dick. As I said in this thread months ago, it is easier to get a bit of water out of a board than fix a 3ft long delam. If you can afford to even remotely chance something happen to your $2500 investment then you are too rich

Mineral, yes they could do a better system, but I just replace the O-ring at the start of the season so I knwo it is good...... same as my tendon, ropes, harness lines. $50 all up to have less prob's.............

In my opinion the vent plug is something that needs serious redesign!

It's far too easy to forget to undo (when travelling) or do up (when sailing).

If its so important here should be a big fat orange lever on it or something so that it is obvious which position it is in.

Yeah,
I'm not questioning its importance, just lazy design.
I've lost a couple. Why don't they tether them to the boards?

Or better still incorporate the bung into the finbox and just put a rubber grommet on the fin endplate?
So each time you remove the fin you open the breather hole?

Maybe the designers could come up with a pressure relief, one-way valve, so that if the board expands ,the XS air can escape, but we wouldn't have to worry about removing and Especially: replacing the valve.After I asked the original question, I started to remove the valve each usage.......guess what I forgot to do ,just the once, got about 10 metres out and saw something was missing!!!!!!! duh

yep ditto that mr juice, i believe that delam is possibly not the correct term more likely the styrene is 'fractured' as the bond between beads is weaker than the initial bond between the the styrene and the first laminate....
not certain about the other states but make no mistake leaving your vent plug screwed in here (when not sailing) in wa will eventually lead to tears...
as for the issue on vent plug design, i have a carbon art with a gortex vent and have had no problems with it so far (touch wood)you can apply soap suds to it in the heat and it bubbles away like mad.

the general design with vent plugs and o rings is fundamentally flawed...
o rings are not designed to be used in this situation. the over tightening of the screw can lead to pinching of the ring and posibly splitting and if you lubricate the oring too much this can lead to the oring spreading and creating small gaps as well.
the plastic insert into the board doesnt help either as it can quickly wear from sand and grit as well, creating imperfections in the 'seat' where the oring is squashed against.
there is definetly room for companies, especially those reknown for quality and innovation, to come up with a better,fool proof way of maintaining a water tight hull.

Yep.
I can see me now windy spending 2 grand on a board and then getting my black and decker out to drill a hole through the middle of it!