Dumb Math Question

[Chainlube]

36T ... 26x2.125

I got 48mph at 8000rpm on the calculator I posted with the 36tooth.

 

[Sidewinder Jerry]

I got 48mph at 8000rpm on the calculator I posted with the 36tooth.

That calculator is wrong then.

I went and used it and got 42.06 mph. They must be rounding something off in their equation

(8,000×26×π)÷(1,056×4.1×3.6)=41.9240212046

 

[Chainlube]

That calculator is wrong then.

(8,000×26×π)÷(1,056×4.1×3.6)=41.9240212046

You don't have the clutch reduction in that calculation.

 

[Sidewinder Jerry]

You don't have the clutch reduction in that calculation.

What do you think the 4.1 is? 82÷20=4.1