prony brake


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prony brake

[′prō·nē ‚brāk]
(mechanical engineering)
An absorption dynamometer that applies a friction load to the output shaft by means of wood blocks, a flexible band, or other friction surface.
References in periodicals archive ?
Parades, tractor pulls (pedal tractors, garden tractors and full-size tractors), prony brake, two barn dances, live music three nights, antique car and truck show, slow tractor race, flea market, crafts and Sunday church service filled the agenda.
Initially, the company used a de Prony Brake system for torque measurement.
Belt horsepower was measured using a Prony brake. A drawbar dynamometer was introduced to measure pull.
Large Antique Flea Market, Arts & Crafts Show, Annual Midwest Model Exhibition, concessions on grounds, working demonstrations, hay baling, threshing, prony brake, rock crushing, shingle milling, silage cutting, saw milling, St rope making.
"There is no flywheel to allow you to connect to an outside load, although Jim Briden came up with a tumbling rod assembly that allowed the roller to connect to the prony brake, where it produced 31 bhp (brake horsepower)."
They put the engine on the prony brake, they join in the daily parade and they engage onlookers in a variety of ways.
The engines were fired at the factory and tested on a Prony brake (a unit similar in theory to today's dynamometer), placing a measurable load on the steam engine being tested.
Steam engines, wheat threshing, saw mill, vaneer mill, Dynamometer, prony brake, gas engines, gas tractors, baker fans, tractor activities, parades, 15-gauge Crown Steam Train, plowingwithsteamenginesandgastractors.Horse pull, Wed.
This "machine" is in fact a prony brake, which is used to measure the output of an engine such as the tractor.
I enjoyed the history of the Gaspar de Prony brake and Doug Wise's demonstration machine (Farm Collector, January 2008, page 22).
If you had a Prony brake, you could find out in no time.