An excellent suggestion.
For your scheme, you just need an air compressor delivering 95 F air !
It requires that you get the officials check the ball air pressure before they have time to cool off.
What is the rate of cooling of an NFL football?
I imagined the officials being right there, to observe the filling. They could read the pressure off the compressor gauge.
Alternatively, they could insert their own pressure gauge right away (as you suggest), and take it outside to observe the pressure change as the temperature lowers.
Thermal Conductivity:
Q = K A z (t1-t2)/b
Q = Quantity of Heater BTU flowing per unit of time
K = Conductivity
A = Unit area
z = thickness
K of Cowhide is 0.10 (assuming that is BTU/hr/ft2/ft/F
- Book doesn’t list it in the tables. It matters, cause sometimes the thickness is done in inches instead of feet.)
It is inversely related to the airspeed of an unladen European swallow