Originally Posted by Royatl

Vern has said their "test" stand back then was a small postal scale, poorly damped, which lead to such anomalies as the B16 motor, as in 16 *pounds* average thrust, which was later corrected to three pounds thrust. The B3 (predecessor to the metric B14) could floor the undamped scale by inertia, leading Vern to believe that it was indeed producing 16 pounds of thrust.