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Old 15 July 2008, 08:54   #1
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Low cost Futura inflation pressure testing

My cheap digital tyre pressure monitor has given up the ghost (I merely had a bicycle schrader valve attached to a plastic tube which slotted into the valve).

Having done some searching on the web for a replacement, I noticed that many LCD tyre pressure gauges only operate above 5psi but I want to measure 1-3.5 psi (since the Futura performance badly suffers from being under inflated).

Various online chandlers do sell analogue air pressure gauges, but the postage costs seemed unreasonable (typically 5-7), however for the princely sum of 7 (delivered) - I have sourced a replacement gauge which doesn't require a battery :
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=310066877084

I will of course have to connect it to a short length of tube which has a nail inserted about 3/8" from the bottom (to open the valve) - but I already have that from the old arrangement.

Hope this is useful to someone !
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Old 15 July 2008, 09:34   #2
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Here in Canada I found Sevylor PG. It has screw-in head with adapters for 3 different valves. Cost is $11
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Old 15 July 2008, 10:03   #3
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I don't know why those aren't available over here - that would have been perfect !
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Old 15 July 2008, 10:37   #4
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RibShop sell a gauge. (any chance of a discount code seeing as I've been pimping your stuff on 3 sites? )
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Old 15 July 2008, 11:21   #5
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Quote:
Originally Posted by Nos4r2 View Post
RibShop sell a gauge. (any chance of a discount code seeing as I've been pimping your stuff on 3 sites? )
Sadly 13.76 plus 5.75 postage versus the $11 Sevylor gauge or my 7 DIY attempt ...
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Old 15 July 2008, 13:50   #6
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If you still want to use the schrader valve thingy go to a motorcycle shop and buy a low pressure , pressure guage , same as an ordinary guage just reads accurate at low psi .
they sell tham for checking off road tyres and suspension pressures , a shop that deals with dirt bikes may be your best bet .
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Old 15 July 2008, 14:07   #7
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Sorry if this is obvious but how do you connect the schrader bike valve to your inflatable valve?
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Old 16 July 2008, 09:26   #8
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Originally Posted by ian parkes View Post
If you still want to use the schrader valve thingy go to a motorcycle shop and buy a low pressure , pressure guage , same as an ordinary guage just reads accurate at low psi .
they sell tham for checking off road tyres and suspension pressures , a shop that deals with dirt bikes may be your best bet .
Hmmm - a google for "off road tyre pressure gauge" brought up http://www.demon-tweeks.co.uk/produc...code=I/C360045 - but it seemed a little expensive

I'll keep hunting - that's why I like this forum - lots of ideas !
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Old 16 July 2008, 09:31   #9
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Originally Posted by jonstret View Post
Sorry if this is obvious but how do you connect the schrader bike valve to your inflatable valve?
Warning - poor attempt at ASCII art :

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Left hand side is the zodiac valve with my plastic tube inserted. Right hand side is the schrader valve glued into the top (right hand side) of the plastic tube. You merely insert the tube into the futura valve (and the schrader valve holds the pressure) and then press your digital tyre gauge onto the schrader valve to measure the air pressure (or you would if my digital gauge hadn't stopped working !).
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Old 27 July 2008, 17:39   #10
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were to buy

Just wondering were you saw this. I would like to order one.
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