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Old 15 September 2009, 03:58   #11
Country: UK - England
Town: Southport
Boat name: Qudos
Make: 5.4 Searider
Length: 5m +
Engine: Yam 115 V4
MMSI: 235068784
Join Date: Sep 2008
Posts: 3,930
Originally Posted by Downhilldai View Post
In gArf's absence, I couldn't resist...

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Old 15 September 2009, 04:27   #12
Country: UK - England
Town: Bucks
Boat name: Spare Rib
Make: Zodiac/Bombard
Length: 6m +
Engine: 90hp Yamaha
Join Date: Feb 2003
Posts: 157
Originally Posted by JSP View Post
Just had a look at the tyre wall and it doesn't state max PSI which is odd. Just that the max weight.
Yep - I thought tyres HAD to carry max. pressure rating.

Also see I can't see your tyres (is 8-ply the same as "reinforced") but this table suggests rather lower pressure for (for example) my tyres - 175 x 13. I'm not sure of exact weight of my rig but guessing not more than 1200kg. So even at only 25psi the weight rating is 800kg/tyre, which is comfortable margin. Have to say I'm a bit confused now.

Tim Spring
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Old 15 September 2009, 04:37   #13
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,533
Originally Posted by Downhilldai View Post
In gArf's absence, I couldn't resist...

well i'm nearly embarrassed. I'll be busy removing the trailer spotting badge of my anorak (i clearly don't deserve it) as soon as I've finished this post.

50 psi on a coaster swing apparently it's a 10inch 6 ply
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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Old 15 September 2009, 06:24   #14
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Country: UK - Scotland
Town: Oban (mostly)
Make: Ribcraft, Humber,BWM
Length: 5m +
Engine: Outboards
Join Date: Jan 2008
Posts: 632
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Originally Posted by Observer View Post
If you look at the table on the link in my post above, it suggests 90psi for your tyres (or the closest to them - 155/70 x 12)
I used to have a trailer that ran on low-profile tyres that needed to be kept inflated to 95psi. If I let the pressure drop the tyres overheated quite quickly when trailing.

Tel; 07525 012 013
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