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-   -   forgot to close the air valve on my rio (http://www.star-board-windsurfing.com/forum/showthread.php?t=5851)

Unregistered 8th June 2009 12:05 AM

forgot to close the air valve on my rio
 
Last weekend I surfed in the netherlands. I wanted to be as fast on the water as I could, but closing the air valve on my rio I forgot about.
Now did the board sucked the water in its core?
How big is the caused damage?
The board is lying in the basement with the air valve open so that the humidity can out.
Please can somebody give some advices what to do?
Thanks
Beste regards

Unregistered 8th June 2009 01:01 AM

how much does your "thirsty rio" weigh?

Screamer 8th June 2009 05:15 PM

Guest #1

I've made the same stupid mistake a few years ago. Use some paper towel, one end crumpled and shaped into a thin cone, put it in the valve as deep as it can go (use a skewer to push it down to the core). Now let the board sit for a few days in a very hot place, in the sun, heated garage, etc. Check the paper towel now and then, it will be wet inside the valve, when it's dry you're done.

There are some methods that include rotation (centrifugal force) and drilling to dry the core, but I've found the above to work well (thanks Roger).

Good luck

Roger 8th June 2009 08:09 PM

Hi Rio Owner,
Yes, Screamer has it right.
If you sailed with the vent plug (your "air valve") completely removed, then your board could have taken on a significant amount of water.
As Screamer suggests, put the board in a warm place or out in the sun.
Use some paper toweling as a "wick" to pull the water from the board.
When you see no more water at the base of the vent plug hole (where you can see a bit
of the core foam) and your paper towel wick comes out dry, you will have done all you can do.
For summer use, I would put the vent plug back in, tighten it, and leave it tightened for the summer.
Next winter, store your board in a warm dry place, with the vent plug removed completely.
If you want to "accelerate" the drying process, use the ambient outside temperature.
In the morning when things are heating up, remove the vent plug and use the paper towel wick. As the temps come up, the inside of your board will heat up and push the moisture up to the vent hole and onto your wick.
As soon as you get the hottest part of the day, and things start to cool down, put the vent plug back in tightly. This will lower the pressure inside your board's core and pull more moisture up near the vent plug.
In the morning, as things are heating up, remove the plug and use the wick.
Repeat this process until you see no more wetness at the bottom of the plug hole or on your wicks.
Mostly, once dried out, you can install the plug and leave it in unless you are going to change altitude by more than 1000 meters or going to air ship your board in the cargo hold of an airliner.
Only other time you need to open the plug is when the seasons change, and then you only need to open it (away from the water) long enough to let the pressure inside equaliize with the ambient outside pressure/temperature.
Hope this helps,
Roger

Unregistered 9th June 2009 11:37 AM

Hi guys,
first of all I like to thank you for your fast replies.
I will act just as you told me to and give you reports of my success, hopefully.

@ screamer: Did your board worked as proper as before after applying this procedure?

Best regards.
Tobias

Screamer 9th June 2009 06:38 PM

Tobias

That board was very light JP slalom. I weighted it only after the incident (not before), but I think 95% of the water (or more) evaporated because:
1. Weight was corresponding to what jp quoted
2. It felt the same while sailing
3. It was sold afterwards, and a mate is sailing it today. Fourth season now, without delamination or other problems.

If you know what was your boards' weight before, than you'll know exactly how much water is in now.

Unregistered 10th June 2009 12:57 PM

Christ Roger, its a long time since I saw a plane called an airliner ! (I think it was when my 85 year old aunt was a stewardess on BOAC)
Then again, I do still have a wireless in the car !

Roger 10th June 2009 07:41 PM

Unreg.....
So, what do we call them now?
Commercial Jets........777/767/757/747/737/727....A320/A340....What?
R

Unregistered 10th June 2009 11:17 PM

So, what do we call them now?

airplanes


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