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Old 07 July 2011, 16:15   #11
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What's the purple end on it (wow that sounds dodgy)
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Old 08 July 2011, 03:20   #12
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It can be anything the right length and diameter - it pushes against the rubber membrane to open the valve.
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Old 08 July 2011, 03:56   #13
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Ah gotcha, i see what you use it for, it was a little late last night!
Do you have anymore offcuts of the tubing? As i don't have anything like that at home available to me & don't really want to be buying lengths of it.
I don't mind re-imbursing you a small sum & some P&P .
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Old 22 September 2011, 15:27   #14
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Thanks Max - great idea. The only other gauge I've seen is 25 at rib shop I've ordered the 3.78 ebay gauge and will knock something together. If it works I'll post a photo or two.
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Old 27 September 2011, 17:01   #15
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Bit of high pressure gas hose chopped off the BBQ. The end off a cr@p stirrup pump. Some self amalgamating tape and all is good.

The ebay gauge is rated B which is supposed to mean it is accurate to within 3%. Now 3% off 0.25 bar is 0.2425 bar so you would not notice.

When inflated using the BST this guage reads about 10% lower.

For under 4 I'm happy. If I was making another though I'd spend the extra few pence and get the 50mm gauge as the 40mm is quite small.

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Old 02 April 2014, 17:39   #16
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Pressure

Anybody have any ideas or pics on how to join a pressure gauge inline with a manual pump so you gauge pressure as you pump rather than pump, dissengage then test pressure then pump again if too low.thanks
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Old 02 April 2014, 17:43   #17
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Just buy a Mercury Double Action Pump. They're cheap and have a built in pressure gauge. In the US they can be bought here.
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Old 03 April 2014, 12:04   #18
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Quote:
Originally Posted by Johnny5vikk View Post
Anybody have any ideas or pics on how to join a pressure gauge inline with a manual pump so you gauge pressure as you pump rather than pump, dissengage then test pressure then pump again if too low.thanks
You can't join a pressure gauge to a standard manual hand or foot pump, won't read, need a special model to do so.

Buy a Bravo 4 alu heavy duty dual action hand pump, comes with incorporated gauge. Just screw hose end into valve and will read while at a stop position of while inflating tubes and keel. You can remove hose from pump and use it to monitor in same way as mentioned above.

Good to read that boaters are begining to care about using pressure gauges for outstanding water performance. Years back was nearly beaten up here due to my repeated recommendation about using pressure gauges. At that time thumb pressure testing was only needed....

Happy Boating
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Old 03 April 2014, 12:36   #19
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SIBer, oooops, old post sorry...

Down issue with that type of Halkey Roberts bayonet fitting is that once inserted and locked into valve inner body the gauge could stay reading at any 360 position, that is. you won't have gauge face reading at confortable position all the time, when valves are tube fitted at factory the adjusting position of lower and upper valves will not always match same. Will need to have a 360 rotating gauge at upper hose for a confortable reading.

You need something like this to work and read much better at any valve position. If having a small gauge (1) if having a big gauge (2) as pictures. A machine shop can make a nice pro adapter, will need to have a spare air valve to have it internally diam & depth measured for a perfect state of the art valve fit.

Happy Boating
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Old 10 June 2014, 15:35   #20
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Of course we're interested! This is RIBnet, we do 18 pages on drilling holes in things.

The Quicksilver setup is different however - the twistfit nozzle opens the valve and allows the pressure gauge upstream to show the tube pressure. There is a one way valve in the gauge itself so it works all the time.
ribstore does a few different guages for around 8
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