Poncelet

For other uses, see Poncelet (disambiguation).

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)