BlasterSim’s validation tests compare BlasterSim against experimental data. At present BlasterSim is validated with a series of pneumatic blaster tests that I made back in 2010.
Unfortunately, to date, no spring blaster experiments have been detailed enough to provide all the inputs needed to run BlasterSim. While BlasterSim appears to give reasonable results when simulating spring blasters, a true test where inputs are not guessed or calibrated has not been made yet. Anyone willing to perform these tests is encouraged to provide data as discussed in § 4.1.