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Old 02-04-2008, 06:18 PM   #15
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Jerry,

I have looked at the wide base Michelin. You will need a new wheel, maybe new wheel studs. The advantage would be less weight. Michelin says the weight savings is 225 lbs each side so 450 pounds total. If you lose a tire you could limp in with duals. But if we lose a steer tire we aren't going anywhere...huh!

I don't know how a wide base would ride, but the 445/50R22.5 needs more air pressure to carry the same weight as a dual set up. Example: 80psi on a 295/75R225 carries 18160 per axle. A 445/50R22.5 Michelin carries 18,180 at 105 psi.
The Michelin 445/50R22.5 would also affect your rear end ratio and speedo by approxomately 3%. The 445/50R22.5 is 17.1 inches wide (not tread width, but sidewall to sidewall), the 295/75R22.5 is 10.9 so the duals have more tread on the ground.

Bridgestone builds it also, to match the BS's on the front!

Still, I think it would have the "Hot Rod Look" . Perfect for the 34' Alpine .
I'd even add some wheelie bars . I may show up with these one day . Wonder if Patty would notice .
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Old 02-05-2008, 06:58 AM   #16
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Interesting comment about the 34' Alpine!
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Old 02-05-2008, 08:26 AM   #17
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Tom,
but then you would have to move them over to Mikes' 08 Alpine when you buy it in a few years
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Old 02-05-2008, 02:37 PM   #18
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I think the weight savings is per axle (according to article in FMCA's Feb08 issue, pg. 71, so you'd only save 230# total. 'Course that's sprung weight FWIW.
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Old 02-05-2008, 06:03 PM   #19
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Unsprung weight makes the BMW of motor coaches handles even better

Less unsprung weight means a quicker coach and shorter braking distance .

Well it works on cars

Hope Mike holds on to that '08 until '11
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Old 02-05-2008, 06:36 PM   #20
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Emike,

You stated, "'Course that's sprung weight FWIW.". Perhaps, you meant to say "unsprung weight", since the tire is considered to be part of the unsprung weight of a vehicle.

See this link at Wikipedia: http://en.wikipedia.org/wiki/Unsprung_weight

With 230 lbs less unsprung weight on the rear axle, the coach should experience less "bounce" over bumps. Now having said this, I doubt that I would buy these tires anyway, due to other factors mentioned above.
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Old 02-05-2008, 06:37 PM   #21
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Tom, add the wheelies to the PT.

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Old 02-06-2008, 03:02 PM   #22
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I either meant unsprung, or else I was just saving ink
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