The poncelet (symbol p) is an obsolete unit of power, once used in France and replaced by cheval-vapeur (ch, metric horsepower). The unit was named after Jean-Victor Poncelet.[1]
| poncelet | |
|---|---|
| Unit system | Non-SI metric unit |
| Unit of | Power |
| Symbol | p |
| Named after | Jean-Victor Poncelet |
| Definition | 1 p = 100 kgf⋅m/s |
| Conversions | |
| 1 p in ... | ... is equal to ... |
| SI units | 980.665 W |
One poncelet is defined as the power required to raise a hundred-kilogram mass (quintal) at a velocity of one metre per second (100 kilogram-force·m/s).
- 1 p = 980.665 W = 4/3 ch ≈ 1.315 hp (imperial horsepower)
References
edit- ^ François Cardarelli, Encyclopaedia of Scientific Units, Weights and Measures: Their Si Equivalences and Origins, Springer, 2003, ISBN 185233682X, page 527