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The Collaborative International Dictionary
Freewheel

Freewheel \Free"wheel`\, n. (Mach.) A clutch fitted in the rear hub of a cycle, which engages the rear sprocket with the rear wheel when the pedals are rotated forwards, but permits the rear wheel to run on free from the rear sprocket when the pedals are stopped or rotated backwards. Freewheelcycles are usually fitted with hub brakes or rim brakes, operated by back pedaling.

Freewheel

Freewheel \Free"wheel`\, v. i.

    1. Of a freewheel cycle, to run on while the pedals are held still.

    2. Of a person, to ride a cycle of this manner; to coast in a vehicle having a freewheel. To ride a freewheel cycle. [WordNet sense 2]

  1. (Mach.) To operate like a freewheel, so that one part moves freely over another which normally moves with it; -- said of a clutch.

  2. to act without controls, external or internal; to live freely, independently, and without concern; -- of people.

Wiktionary
freewheel

n. a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft. vb. 1 (context of a gear English) To continue spinning after disengagement. 2 (context of a cyclist English) To ride a bicycle without pedalling, e.g. downhill. 3 (context of a motorist English) To operate a motor vehicle which is coasting without power, e.g. downhill. 4 (context by extension English) To operate free from constraints.

WordNet
freewheel
  1. n. a clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting)

  2. v. live unhurriedly, irresponsibly, or freely; "My son drifted around for years in California before going to law school" [syn: drift]

  3. coast in a vehicle using the freewheel

Wikipedia
Freewheel

thumb|Freewheel mechanism In mechanical or automotive engineering, a freewheel or overrunning clutch is a device in a transmission that disengages the driveshaft from the driven shaft when the driven shaft rotates faster than the driveshaft. An overdrive is sometimes mistakenly called a freewheel, but is otherwise unrelated.

The condition of a driven shaft spinning faster than its driveshaft exists in most bicycles when the rider holds his or her feet still, no longer pushing the pedals. In a fixed-gear bicycle, without a freewheel, the rear wheel would drive the pedals around.

An analogous condition exists in an automobile with a manual transmission going down hill or any situation where the driver takes his or her foot off the gas pedal, closing the throttle; the wheels want to drive the engine, possibly at a higher RPM. In a two-stroke engine this can be a catastrophic situation: as many two stroke engines depend on a fuel/ oil mixture for lubrication, a shortage of fuel to the engine would result in a shortage of oil in the cylinders, and the pistons would seize after a very short time causing extensive engine damage. Saab used a freewheel system in their two-stroke models for this reason and maintained it in the Saab 96 V4 and early Saab 99 for better fuel efficiency.

Freewheel (song)

"Freewheel" is a single by Northern Ireland based artist Duke Special, released as a limited edition 10" vinyl disc in 2005, and a CD single in 2007. Freewheel is a new version of a song originally released on the Benzine Headset album Garçon Pamplemousse. It is currently featured in advertisements for the EBS building society.

Usage examples of "freewheel".

All he had to do now was to freewheel down the mountain at speeds of up to ninety kilometres an hour, not touching his brakes, ass in the air, head on the bars, leaning in and out of corners, slender tyres shimmying on the gravel at the bends, looking out to a drop of clear oxygen miles below.

Tick tick tick and off I went and soon as I turned the corner wheee freewheeling away down the hill round the lane by the back of the houses in I went da-dan!

Stateside club for World War II fighter pilots, to its freewheeling terror tactics of the early sixties, to its absurd flirtation with the hippie scene, to its ultimate search for a legitimate role in the contemporary world of organized crime.

Not quite as raffish as Greenwich Village in its heyday, nor as freewheeling as the East Village during the Sixties, SoHo is a yeasty warren of streets, unexpected alleyways, and old two- to five-story brick buildings.

It was a diplomatic answer to conceal his resentment of the admiration Ty had shown toward the freewheeling entrepreneur.

Under Byrnes s flamboyant guidance the detectives in the bureau became known as the Immortals and they dramatically reduced the level of crime in a city as freewheeling back then as the Wild West.

Hambleton, freewheeling his mountain bike down the sloping track to the Mandel farmhouse, tyres slipping dangerously on the damp moss and loose limestone.

And when we look at journalism in Victorian England, we find it to be a freewheeling, sensationalistic business in which truth and restraint were often sacrificed in service of a big story.

True to the freewheeling, gather-no-moss, cannie lifestyle, Giggly Jane planned to use every crumb of it to trade up for better blasters and bigger knives.

When countrybound velocipedes, a chainless freewheel roadster cycle with side basketcar attached, or draught conveyance, a donkey with wicker trap or smart phaeton with good working solidungular cob (roan gelding, 14 h).

There was always the suggestion that she had freewheeled into high office on the strength of the name bond with Dr.

The rotors, glowing white at their tips, freewheeled in the high stratosphere, spinning in a bright blurring disk.

The propeller freewheeled to a stop, leaving them in a silence so profound that Kirk couldn’t be sure if his ears even worked anymore.

PUCKY the Mousebeaver from the planet Vagabond meets up with a freewheeling traveller of the spacelanes and all hullabaloo breaks loose!

She was like the perfect fourth-grade teacher, a woman whose natural authority did not inhibit a sense of humor that, in its sly appearances, hinted at the existence of a private life more raucous and freewheeling than could be revealed in the public one.