[TR] RPM speed calc

[Jerry Van Vlack]

Use radius not diameter per the formula.

From: Geo Hahn 
Sent: Sunday, May 31, 2020 7:07 PM
To: bill beecher 
Cc: Dave Ranteer 
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 <notakitcar at yahoo.com> wrote:

  Came across this calculator with all the right input fields.  But, I 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 tires, 25.4” diameter.   Should be moving along at 124mph!

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

  Anyone get a different answer? 
  Bill

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