The Turbocharger Bible

Cudafever said
How about some help with the some of the math.

THIS-> T2 = 535 (24.7 ÷ 14.7)0.283 = 620 °R
Is what I'm confused about. aka the 0.283
Thanks

Don't know how many people read this still, but the .283 is a constant, like 9.8 m/s^2 or 32.2 ft/s^2 for gravity.