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Old 21 January 2018, 03:06   #1
Blakeys7's Avatar
Country: UK - England
Town: Thetford
Make: Rimini
Length: 5m +
Engine: Mariner 75hp
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Tube PSI question

Morning ......second question of the day

I am sure this has been asked on many of occasions..just not by me

What PSI should my tubes be ?

I assume cold/warm weather will effect and I have read the post regarding relief valves which mine does not have.

Also is this any good although Im not sure yet if my pump will fit it.



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Old 21 January 2018, 04:50   #2
boristhebold's Avatar
Country: UK - England
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Ive never in over 10 years of ribbing checked the pressure with any guage, I usually just check with my hand checking they are not soft, firm but not overly hard, the weather temp will effect them very much, a cold day in winter they will go soft, in summer they may appear slightly soft first thing in morning but as temp rises will harden up, if they feel right they are right in my opinion.

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Old 21 January 2018, 05:05   #3
chipko's Avatar
Country: UK - England
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Tube PSI question

Generally 0.20 or 0.25 bar (2.9 or 3.6psi)
Many have pressure indicated on transom plate.

We use a gauge and keep tubes at recommended pressure of 0.2 bar. In my opinion there is much more stress on tube joints if run under inflated, and you see many ribs out there with soft tubes.
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Old 24 January 2018, 13:27   #4
Country: UK - England
Length: 10m +
Join Date: Jan 2017
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Tops 3.5 P.S.I... These are rated with orange spot pressure relief valves if fitted..
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