Quote:
Originally Posted by JulianEdgar
Brake Specific Fuel Consumption is irrelevant to throttle stop testing. Fuel consumption, whether specific to power being produced or distance being travelled, has nothing to do with the technique. Fuel consumed is not measured when using the technique.
Before I published the throttle stop approach, I did of course consult some aerodynamic experts - three in this case.
The only contentious point is one you have completely ignored, and that is whether the calculated change in drag depends on the square of the difference in speed, or the cube of the difference in speed.
Changes in top speed as indicating changes in drag has been used for over 100 years.
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There's no full accounting. You're making assumptions and your conclusions are made from incomplete knowledge. You couldn't possibly prove causality.
Many published top speeds have absolutely nothing to do with actual drag-limited top speed, which is what you'd be after. The recent Corvette would be an example.
The 2020 Corvette Stingray has 495-bhp and a top speed of 184-mph.
This Corvette will maintain 184-mph in 8th-gear, at 3870-rpm, and 327-horsepower. It's gearing will not allow a higher top speed even though it clearly has the power for it. Context!!!!!!!!!!!!!!!!!!!!!