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Author Can someone confirm this..
Dean_W
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Registered: 13th Dec 05
Location: Downham Market, Norfolk
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8th Mar 07 at 13:53   View User's Profile U2U Member Reply With Quote
Sorry Bryn, I haven't been to school for 6 years. I can't do that.
AuroraSport
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Location: Norfolk Drives: Audi B5 S4 Avant
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8th Mar 07 at 13:54   View User's Profile U2U Member Reply With Quote
A level physics and i cant remember jack
Scotty C
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Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
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8th Mar 07 at 13:54   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W
quote:
Originally posted by Monster
Edit - They only travel the same speed as the car, so if the car is doing 60mph, the wheel bearing is doing 60rpm, right? Thats not as impressive as cranks/pistion/cams

[Edited on 08-03-2007 by Monster]


No, no, no.

Then the wheel would need to roll a mile in one RPM.


Oh Woops
Scotty C
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8th Mar 07 at 13:54   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by AuroraSport
A level physics and i cant remember jack


now's the time to try and remember
Dean_W
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8th Mar 07 at 13:56   View User's Profile U2U Member Reply With Quote
God damn you man. THINK
AuroraSport
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Location: Norfolk Drives: Audi B5 S4 Avant
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8th Mar 07 at 13:57   View User's Profile U2U Member Reply With Quote
ok ive got circumference what exactly are we trying to figure out here?
Dean_W
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8th Mar 07 at 13:58   View User's Profile U2U Member Reply With Quote
How far a 16 inch wheel will roll in one RPM.
Dean_W
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8th Mar 07 at 13:58   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W
How far a 16 inch wheel will roll in one Revolution.
Scotty C
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Location: Kidderminster Drives: 1.6 16v Sport
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8th Mar 07 at 13:59   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by AuroraSport
ok ive got circumference what exactly are we trying to figure out here?


quote:
Originally posted by Dean_W
Whats the total outside curcumfrence of a lets say, 16 inch wheel?
Scotty C
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8th Mar 07 at 13:59   View User's Profile U2U Member Reply With Quote
I reckon 1 meter
AuroraSport
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8th Mar 07 at 14:00   View User's Profile U2U Member Reply With Quote
0.000793323864 miles
Dean_W
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8th Mar 07 at 14:01   View User's Profile U2U Member Reply With Quote
Right. Whats mileage would you get out of a wheel bearing?
Scotty C
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8th Mar 07 at 14:01   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W
Right. Whats mileage would you get out of a wheel bearing?


pending on driving, 60-70k?
Scotty C
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8th Mar 07 at 14:02   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by AuroraSport
0.000793323864 miles


How many feet is that, or cm, mm, etc?
Dean_W
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8th Mar 07 at 14:03   View User's Profile U2U Member Reply With Quote
So then, around 88 million revolutions.
AuroraSport
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8th Mar 07 at 14:03   View User's Profile U2U Member Reply With Quote
1.27 metres
Scotty C
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8th Mar 07 at 14:04   View User's Profile U2U Member Reply With Quote
Blimey
Dean_W
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8th Mar 07 at 14:05   View User's Profile U2U Member Reply With Quote
70,000 divided by the amount Bryn gave.
AuroraSport
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8th Mar 07 at 14:06   View User's Profile U2U Member Reply With Quote
wait we havent taken the tyre into account therefore rolling radius is going to be off. oh im such an idiot
Dean_W
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8th Mar 07 at 14:08   View User's Profile U2U Member Reply With Quote
Blimey. I don't think this much at work....
Scotty C
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8th Mar 07 at 14:08   View User's Profile U2U Member Reply With Quote
40 profile Bryn.
Haimsey
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Registered: 8th May 05
Location: Nottingham Drives: Corsa B
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8th Mar 07 at 14:08   View Garage View User's Profile U2U Member Reply With Quote


Marcy Marc

White Sport Progress Thread
AuroraSport
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8th Mar 07 at 14:10   View User's Profile U2U Member Reply With Quote
are we talking 205 or 195 profile and yes it matters
Scotty C
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8th Mar 07 at 14:14   View User's Profile U2U Member Reply With Quote
That wouldnt matter as thats how wide the tyre is not how big the profile is, hence not effecting 1 RPM of the wheel Wrong? I'll get my coat
AuroraSport
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8th Mar 07 at 14:16   View User's Profile U2U Member Reply With Quote
ok im going to write this down

a 16'' wheel with 195/45 tyre

195/100*45 = 87.75mm = 3.454 inches

so 16 + 3.454 = 19.454 inches * pi (as we all know is 3.14159265)

= 61.1165435 inches i.e. the circumference

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