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Home > Help Needed / General Tech Chat > Diameter of 10" wheel and tyre.

Turbo Phil

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Lake District

I need a reasonably accurate measurement of the diameter of a 10" wheel fitted with a 165/70 tyre. If anybody can help. I know it will vary a little with rim width and tyre brand, but somewhere near should do.
Cheers
Phil.

Edited by Turbo Phil on 14th Feb, 2017.

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theoneeyedlizard

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The Boom Boom speaker Police!

Essex

I can have a look once I'm at the garage if you've not had an answer beforehand

In the 13's at last!.. Just


Turbo Phil

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My sister is so fit I won't show anyone her picture

Lake District

Cheers mate.

WWW.TURBO-MINI.COM


Sprocket

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Preston On The Brook

Simple maths says it's 485mm diameter

10" wheel =254mm
Tyre section width =165
Tyre profile height is 70%

254+(165*1.4) =485mm

Rolling radius is slightly different. Without measuring rolling radius, I assume 3mm deflection, which can mean a fair bit different over a mile.

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Sprocket

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Preston On The Brook




On 14th Feb, 2017 Turbo Phil said:
I need a reasonably accurate measurement of the diameter of a 10" wheel fitted with a 165/70 tyre. If anybody can help. I know it will vary a little with rim width and tyre brand, but somewhere near should do.
Cheers
Phil.


"Reasonably accurate" and "somewhere near" are not the same thing Phil *hehe!*

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Callum

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Advanced Member Formerly mk2turbo

Stoke-on-Trent

Reverse rim with goodyear rally special 489mm



Minilite copy with falken 482mm


Turbo Phil

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4619 Posts
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My sister is so fit I won't show anyone her picture

Lake District

Very helpful. Cheers chaps.

Phil.

WWW.TURBO-MINI.COM


graemec

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Carnforth, Lancs

All on 10x5 GB's:
Yoko A-008 with 5mm tread - 489mm dia
Avon CR6ZZ with 6mm tread - 490mm dia
Avon CR6ZZ with 6mm tread, inflated to 26psi and fitted to front - 235mm from floor to centre of CV nose

Edited by graemec on 15th Feb, 2017.


Turbo Phil

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My sister is so fit I won't show anyone her picture

Lake District

Cheers chaps, just what I needed.

Phil.

WWW.TURBO-MINI.COM


Rammie2000

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belgium

1.4 is 40%?? should be 1.7 if 70%


On 14th Feb, 2017 Sprocket said:
Simple maths says it's 485mm diameter

10" wheel =254mm
Tyre section width =165
Tyre profile height is 70%

254+(165*1.4) =485mm

Rolling radius is slightly different. Without measuring rolling radius, I assume 3mm deflection, which can mean a fair bit different over a mile.

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Rammie2000

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belgium

Maifrini Mille Miglia ( 5*10) with oval tyres ( american stuf 492 mm at 3 bar

Maifrini Mille Miglia with dunlop 490 at 3 bar

momo 5*10 with falken tyres 485 at 3 bar

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018


Rod S

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Formally Retired

Rural Suffolk

On 18th Feb, 2017 Rammie2000 said:
1.4 is 40%?? should be 1.7 if 70%

No, Colin is correct.
70% is 0.7 so it's section width X 0.7 but you have to add it to the diameter twice as the tyre is each side of the wheel diameter. So it's easiest just to say section width x 1.4 plus the wheel diameter.

Schrödinger's cat - so which one am I ???


Sprocket

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Preston On The Brook




On 18th Feb, 2017 Rammie2000 said:
1.4 is 40%?? should be 1.7 if 70%


On 14th Feb, 2017 Sprocket said:
Simple maths says it's 485mm diameter

10" wheel =254mm
Tyre section width =165
Tyre profile height is 70%

254+(165*1.4) =485mm

Rolling radius is slightly different. Without measuring rolling radius, I assume 3mm deflection, which can mean a fair bit different over a mile.


70% is 0.7. 0.7 x 2 = 1.4 which is 140% or 2 x 70% *smiley*

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Sprocket

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11046 Posts
Member #: 965
Post Whore

Preston On The Brook




On 18th Feb, 2017 Rammie2000 said:
Maifrini Mille Miglia ( 5*10) with oval tyres ( american stuf 492 mm at 3 bar

Maifrini Mille Miglia with dunlop 490 at 3 bar

momo 5*10 with falken tyres 485 at 3 bar


3 bar is a lot for a mini tyre........

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Rammie2000

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belgium

Usually around 1.8 at rear and 2.2 at front but its for winter storage. My grandfather always raised pressure in winter and i took that habit with me.

you can do anything if you set your mind to it...
i rather blow it up winning than keep it together losing.

finish date set for project 1... march 2018

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