>several snips included
>>And a couple of things about speedo error. I don't know the original
>>tire (tyre) size for the TR-6 but if it was a 185/80/15 the following
>>shows the speedo errors for some other sizes. These are aproximates,
>but
>>they should be close.
>
>>The formula for this is:
>>(Original Tire Diameter/Replacement Tire Diameter) x Indicated Speed
>
>Is this formula backwards?
Yes the formula is backwards, A slip of the keyboard.
But the Chart shows correct numbers, note that the shorter tire
has a higher speed indicated.
>>Speed at
>>Indicated Approximate
>>55 MPH. Tire Diameter (inches)
>
>>55 185/80/15 26.6
>>60 185/65/15 24.5
>>56 205/70/15 26.3
>>59 205/60/15 24.7
>>54 215/70/15 26.9
>>57 215/65/15 26.0
So Long,
Darrell Leach, KD6LRC DM-15, Ridgecrest, Ca
email: Triumph_TR4@ridgecrest.ca.us
http://www.ridgecrest.ca.us/~token/PAGE1.html
1962 TR-4 (CT5368LO) Everyday
1962 TR-4 (CT13108L)
1965 Spitfire Mk 2
1967 Spitfire Mk 3 In work, lots of 1500 stuff
Keeper of the TR-4 List, Version 2.0 availible.
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