If you put an airplane on a treadmill…
Estimate the mass of an Airbus A320 at about 170,000lb, start the accelerometer based dyno tool on the iPod touch, and wait for takeoff! For the record, the estimation based on a 170000lb aircraft was 28596 hp 60′: 4.71 sec@18.5 MPH 1/8 mi: 13.89 sec@ 66.5 MPH 1/4 mi: 19.40 sec@94.2 MPH A rather poor 1/4 mile time that [...]