Re: [ihc] Tire RPM @ 70 mph

To: Joel M Brodsky <jmbrodsky@xxxxxxxxxxxx>, ihc@xxxxxxxxxx
Subject: Re: [ihc] Tire RPM @ 70 mph
From: bearbvd@xxxxxxxxxxxxxx (Greg Hermann)
Date: Mon, 15 Mar 2004 18:10:45 -0700
Content-type: text/plain; charset="us-ascii"
Reply-to: bearbvd@xxxxxxxxxxxxxx (Greg Hermann)
Sender: owner-ihc@xxxxxxxxxx

At 5:38 PM 3/15/04, Joel M Brodsky wrote:

Most truck tire mfgrs. list a 'revs per mile' number in their catalog info
along with the other basic dimensions of each tire.

The revs/mile number IS the tire RPM at sixty mph, that number times 7/6
(1.1667) would give the tire rpm at 70 mph .

Greg

>Jim,
>just some rough numbers...
>70 mph ~ 103 ft/sec
>31" tire is  pi*D or 8.1 feet in circumference
>
>103/8.1 = 12 rev/sec
>
>or 720 rev/min.
>
>I think you're okay.
>
>JoelB

Prev by Date: Re: [ihc] Tire RPM @ 70 mph
Next by Date: [ihc] Lockouts on 1 ton and heavier trucks
Previous by thread: Re: [ihc] Tire RPM @ 70 mph
Next by thread: [ihc] Lockouts on 1 ton and heavier trucks
Index(es):
- Date
- Thread

Home | Archive | Main Index | Thread Index