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theflyingscot
Part Timer
Joined: Sep 20, 2007
Posts: 54
Location: bonnie scotland
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 Posted: Mon Sep 24, 2007 8:07 pm Post subject: tyre pressures |
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hi folks, i have a single axle swift about 1160kg max with 960kg in running order, i used the formulae found elsewhere on this site and came out at 56.8psi , does that sound about right ?
cheers
kenny+stella |
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kenny + stella .
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roboughton
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nairepooc
Rally-er
Joined: Aug 13, 2007
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Posted: Tue Sep 25, 2007 11:31 am Post subject: |
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Give us the formula with the data and I will check it for you.
Mine stated by the manufacture is 61psi, but the dealer said 51 was the correct calculated. So who do you believe? |
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theflyingscot
Part Timer
Joined: Sep 20, 2007
Posts: 54
Location: bonnie scotland
Caravan: swift arran / corvette
Towcar:grand vitara
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Referred By: Website Link
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Posted: Tue Sep 25, 2007 6:10 pm Post subject: |
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hi ian , will have to go looking for the formulae again, im sure rob has posted it somewhere ,
my vital stats are
tyre max weight 670kg each.
tyre max pressure 65psi each
van miro 944
van maximum mass1170kg
im sure i calculated on the van being fully laden to 1170kg to get the maximum pressure i would ever require .
rob posted this in top tips.-
Basic rule of thum is
Required tyre pressure is the Actual weight. of 'van multiplied by Max Tyre pressure as marked on side-wall), divided by the Max. Tyre Load (stated on side-wall) times the number of tyres/wheels.
eg. Weight of 'van = 1400 Kg.
Max.Tyre Pressure = 66 psi
Max Tyre Load = 775 Kg.
No. Of tyres/wheels = 2 (single axle - 4 if double axle obviously)
(1400 X 66) divided by (775 X 2)
= 60 psi.
mine is 1170x65= 76050
divided by 670x2= 1340
=56.75.
hows that ? |
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cheers
kenny + stella .
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roboughton
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Joined: May 29, 2007
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Location: North Wales, Near Colwyn Bay
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Posted: Tue Sep 25, 2007 6:42 pm Post subject: |
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Yep round it up and thats the pressure. 57  |
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