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 ?
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.
Initially, the company used a de Prony Brake system for torque measurement.
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.
A few years ago, while testing horsepower on the prony brake, Bob Anderson--a longtime Gaar-Scott engineer--tucked a bit of coal in the boiler's back corners.
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.
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.
The steamers were shown on the Prony brake and a separator threshing oats.
Also Saturday evening we'll hook one of the engines up to the Prony Brake and just play around.