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## Re: [TR] RPM speed calc

 To: "Geo Hahn" , "bill beecher" Re: [TR] RPM speed calc "Jerry Van Vlack" Sun, 31 May 2020 19:30:36 -0400 Dave Ranteer mharc@autox.team.net triumphs@autox.team.net Normal 8L64QzbLZtJJZ6v8ULg5F4QRtqg3+AIjQAko16Pkz7kXRsPML/tBwMfDKAyjKcIc7AeSNqxOR3NA3T5AhCG405OJo2jUcu9Qu/AAHV43siwNvxrFwXyJ7HvH dXa+gHRL813YJbhOaZOJ5Q== <61285E0C-FF09-4C39-9224-28C4275DC888@flash.net>
 ```This is a multi-part message in MIME format. --===============6162478559870690857== boundary="----=_NextPart_000_03E0_01D63781.F5603480" This is a multi-part message in MIME format. ------=_NextPart_000_03E0_01D63781.F5603480 charset="utf-8" Content-Transfer-Encoding: quoted-printable Use radius not diameter per the formula. From: Geo Hahn=20 Sent: Sunday, May 31, 2020 7:07 PM To: bill beecher=20 Cc: Dave Ranteer=20 Subject: Re: [TR] RPM speed calc Your math is possibly correct - assume you're using .82 for the OD. But = do you think you can get up to 5000 rpm in OD other than downhill with a = tailwind? On Sun, May 31, 2020 at 2:54 PM bill beecher = wrote: Came across this calculator with all the right input fields. But, I = wonder how accurate it really is given the following input.=20 TR3 with a 3.7 rear, OD at redline of 5,000rpm. Vredestein 165R/15 = tires, 25.4=E2=80=9D diameter. Should be moving along at 124mph! https://wahiduddin.net/calc/calc_speed_rpm.htm=20 Anyone get a different answer?=20 Bill Serenity Now...... ** triumphs@autox.team.net ** Donate: http://www.team.net/donate.html Archive: http://www.team.net/pipermail/triumphs = Unsubscribe/Manage: = http://autox.team.net/mailman/options/triumphs/ahwahneetr@gmail.com -------------------------------------------------------------------------= ------- ** triumphs@autox.team.net ** Archive: http://www.team.net/pipermail/triumphs = http://autox.team.net/mailman/options/triumphs/jerryvv@roadrunner.com ------=_NextPart_000_03E0_01D63781.F5603480 charset="utf-8" Content-Transfer-Encoding: quoted-printable
Use radius not diameter per the formula.

Sent: Sunday, May 31, 2020 7:07 PM
Subject: Re: [TR] RPM speed calc

Your math is possibly correct - assume you're using .82 for the = OD. =20 But do you think you can get up to 5000 rpm in OD other than downhill = with a=20 tailwind?

On Sun, May 31, 2020 at 2:54 PM bill = beecher=20 <notakitcar@yahoo.com> wrote:
Came across this calculator with all the right input = fields.  But, I=20 wonder how accurate it really is given the following input.
TR3 with a 3.7 rear, OD at redline of 5,000rpm.  Vredestein = 165R/15=20 tires, 25.4=E2=80=9D diameter.   Should be moving along at = 124mph!

https://wahiduddin.net/calc/calc_speed_rpm.htm=20

Bill
Serenity Now......
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