Friday, November 18, 2011

More Roar 'n Soar

Waiting for start flag

Not a knocked over cone, but the outer limit of the course

Clearing the far end gate

Winding out a bit.
Took the wirewheels in to be re-balanced. They were over 6 years old and starting to show 'green' deterioration. I ended up buying a set of Michelin 205-60x15 tires. Smaller than the old Dunlop 215-70x15 tires they replaced.

Gearbox:-  Jaguar/Cosworth T9 transmission

Tire:-  BFGoodrich 205/40ZR17
    1866.90 mm - 73.5 in circumference
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Top Gear gives 22.383 MPH/1000 RPM and a top speed of 139.893 MPH at 6250 RPM

Engine speeds in top gear:-
30 MPH = 1340 RPM   40 MPH = 1787 RPM   50 MPH = 2234 RPM  
60 MPH = 2681 RPM   70 MPH = 3127 RPM   80 MPH = 3574 RPM
90 MPH = 4021 RPM  100 MPH = 4468 RPM

Top Speed in 1 gear = 34.349 MPH
    And changes into 2 gear at 3367 RPM dropping 2883 RPM
Top Speed in 2 gear = 63.763 MPH
    And changes into 3 gear at 4351 RPM dropping 1899 RPM
Top Speed in 3 gear = 91.597 MPH
    And changes into 4 gear at 4960 RPM dropping 1290 RPM
Top Speed in 4 gear = 115.412 MPH
    And changes into 5 gear at 5156 RPM dropping 1094 RPM
Top Speed in 5 gear = 139.893 MPH


Tire:-  Michelin all patterns 205/60 x 15
    1920.14 mm 75.6 in circumference
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Top Gear gives 23.021 MPH/1000 RPM and a top speed of 143.883 MPH at 6250 RPM

Engine speeds in top gear:-
30 MPH = 1303 RPM   40 MPH = 1738 RPM   50 MPH = 2172 RPM
60 MPH = 2606 RPM   70 MPH = 3041 RPM   80 MPH = 3475 RPM
90 MPH = 3909 RPM  100 MPH = 4344 RPM

Top Speed in 1 gear = 35.328 MPH
    And changes into 2 gear at 3367 RPM dropping 2883 RPM
Top Speed in 2 gear = 65.582 MPH
    And changes into 3 gear at 4351 RPM dropping 1899 RPM
Top Speed in 3 gear = 94.209 MPH
    And changes into 4 gear at 4960 RPM dropping 1290 RPM
Top Speed in 4 gear = 118.703 MPH
    And changes into 5 gear at 5156 RPM dropping 1094 RPM
Top Speed in 5 gear = 143.883 MPH

Sunday, November 13, 2011

Fantasy of fright... oops, Flight!

Two day event at Fantasy of Flight with the Jaguar Club of Florida. Great time, and ran my car in the JCNA slalom today, Sunday. I could not make the Saturday events.

Found some problems when hard cornering that just cruising around will not bring out and need further investigation. Nothing serious, I hope.

Tom Curren took my XK120 around the course while I got a video. There was a P51 in the background warming up, so all the noise is not from my car.