prony brake

[ proh-nee ]

noun

1. a friction brake serving as a dynamometer for measuring torque.

Word History and Origins

Origin of prony brake¹

Named after G.C.F.M. Riche, Baron de Prony (died 1839), French engineer

Example Sentences

The Prony brake on the pulley of the dynamo is quite slack, allowing it to revolve freely.

From Project Gutenberg

The power developed at the Prony brake was collectively only about .04 horse-power, giving 1200 turns a minute to two 40 cm.

From Project Gutenberg

Tests with a Prony brake showed that the motor developed 128 H.P.

From Project Gutenberg