| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 1M50.00 | Mechanical Power | | |
| 1M50.10 | Prony brake | PIRA 1000 | |
| 1M50.10 | Prony brake | 1M50.10 | Turn a large hand cranked pulley with the belt fastened to two spring scales. |
| 1M50.10 | Prony brake | Mv-2 | A belt fastened to two spring scales is strung under tension around a large hand cranked pulley. |
| 1M50.10 | Prony brake | 12-4.1 | How to make a self adjusting Prony brake that provides constant torque. |
| 1M50.10 | Prony brake | 12-4.2 | Each end of the belt for a Prony brake is attached to a spring scale. |
| 1M50.10 | Prony brake | M-135 | Measuring your horsepower by Prony brake and running up stairs. Hints on making a human sized Prony brake. |
| 1M50.10 | Prony brake | M-134 | Measuring delivered horsepower by turning a pulley under a stationary belt attached to spring scales at each end. |
| 1M50.10 | Prony brake | Disc 03-18 | Rotate a shaft against a constant frictional resistive force. |
| 1M50.20 | power bicycle | M-136 | Attach a 2" dia. axle to the rear of a bike and use it to lift a weight via a pulley on the ceiling. |
| 1M50.30 | ref. hand crank generator | ref. | see 5K40.80. |
| 1M50.50 | rocket wheel | 9-3.7 | Two rockets are mounted on the rim of a bike wheel. The second is fired after effect of the first has been measured showing the power developed by a rocket is a function of its velocity |