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Page "Clutch" ¶ 47
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Overrunning and clutch
< OL > < LI > Main Housing ( yoke ) < LI > Overrunning clutch, and Pinion gear assembly < LI > Armature ( electrical engineering ) | Armature < LI > Field coils with Brush ( electric ) | Brushes attached < LI > Brush ( electric ) | Brush-carrier < LI > Starter solenoid | Solenoid </ OL >

Overrunning and .
Overrunning it and holding the position was critical to capturing the town.
Overrunning occurs when two or more motors can be used to drive the same machine, including through the same shaft.
Overrunning dikes, it shattered the coastline and caused thousands of deaths ( 8, 000 to 15, 000 people drowned ) and catastrophic material damage.

clutch and freewheel
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.
By its nature, a freewheel mechanism acts as an automatic clutch, making it possible to change gears in a manual gearbox, either up-or downshifting, without depressing the clutch pedal, limiting the use of the manual clutch to starting from standstill or stopping.
A freewheel also produces slightly better fuel economy on carbureted engines ( without fuel turn-off on engine brake ) and less wear on the manual clutch, but leads to more wear on the brakes as there is no longer any ability to perform engine braking.
In starters without the freewheel or overrun clutch this would be a major problem because, with the flywheel spinning at about 1, 000 RPM at idle, the starter, if engaged with the flywheel, would be forced to spin between 15, 000 and 20, 000 RPM.
A freewheel clutch is now used in many motorcycles with an electric starter motor.
Other car makers fitted a freewheel between engine and gearbox as a form of automatic clutch.
Once the driver released the throttle and the vehicle was on the overrun the freewheel would disengage and a gearchange could be made without the use of the clutch pedal.
Citroën combined a freewheel and a centrifugal clutch to make the so-called ' TraffiClutch ' where the car could be started, stopped and the lower gears be changed without using the clutch pedal.
In almost all cases, it is active when the foot is lifted off the accelerator, the transmission is not in neutral, the clutch is engaged and a freewheel is not engaged.
A sprag clutch is a one-way freewheel clutch.
The chassis received additional cross bracing in 1934 and an automatic clutch and freewheel were fitted to some models.
A freewheel clutch, a traditional Rover feature, was fitted to cars without overdrive until mid-1959, when it was removed from the specifications, shortly before the range rearrangements announced for the London Motor Show in October that year.

clutch and If
If the engine is running with clutch engaged and the transmission in neutral, the engine spins the input shaft of the transmission, but no power is transmitted to the wheels.
If the trip mechanism is operated when the clutch would otherwise disengage the clutch remains engaged.
If the pawl were held away from the sleeve the clutch would continue to drive the load without slipping.
If the lever engaged the pawl, the clutch was disengaged.
If a clutch is lost ( to predation or flooding, for example ) before the young hatch, the Red-throated Loon usually lays a second clutch, generally in a new nest.
If regularly disturbed at the nest, magpie pairs will eventually either move the eggs or abandon the clutch altogether, but in the first instance they will defend the nest aggressively.
If a clutch is lost early in incubation, the cranes may be able to lay another one within a couple of weeks.
If a second clutch is produced in one breeding season, it is smaller than the first one.
If the nest is abandoned or destroyed, the female may lay a replacement clutch.
If the hen cuckoo is out-of-phase with a clutch of Eurasian Reed Warbler eggs, she will eat them all so that the hosts are forced to start another brood.
If predators destroy the first clutch, the female can produce a replacement clutch as late as the end of July.
If the first clutch fails, they will continue breeding into the summer months.
If a clutch is lost, up to two further eggs may be laid that are smaller than the earlier eggs.
If precocious, Bennett suggested that clutches would be small, with only one or two eggs laid per clutch, to compensate for the relatively large size of the hatchings.
If the female survives, however, she and her mate can reproduce more quickly ( 3-10 days ) than after a normal clutch leaves the nest, making it a little bit easier to recover from the predation.
If a sprag clutch is not present, much greater care is required when downshifting because losing rear wheel traction can cause dangerous highside accidents.

clutch and some
She felt as if some dark, totally unfamiliar shape would clutch at her arm ; ;
A centrifugal clutch is used in some vehicles ( e. g., Mopeds ) and also in other applications where the speed of the engine defines the state of the clutch, for example, in a chainsaw.
* Belt clutch: Used on agricultural equipment and some piston-engine-driven helicopters.
# A locking clutch, as used in some machines for connecting two shafts that would otherwise rotate freely such that they rotate at the same speed when in the locked condition.
The clutch is normally 3-6 eggs, but may contain any number of eggs up to seven ; even more eggs may be laid in total when some are removed during the laying time, which lasts about 2 days per egg laid.
The Hornsby tractors featured the track-steer clutch arrangement, which is the basis of the modern crawler operation, and some say an observing British soldier quipped that it crawled like a caterpillar.
Fledging success ( usually 3-4 young per nest ) is lower than clutch size ; this is not an unusual state of affairs in species with asynchronous hatching, as some nestlings often die of starvation.
In addition to the wider body and track, headline improvements included a smaller turning circle, softer suspension, self adjusting brakes and clutch together with the availability on the smaller-engined models, for the UK and some other markets, of a new five bearing 1300 cc engine.
During the brief time before this, however, the males are still sexually potent and some of them either remain on standby to sire replacement clutches ( for female Mallards that have lost or abandoned their previous clutch ) or forcibly mate with females that appear to be isolated or unattached regardless of their species and whether or not they have a brood of ducklings.
It is most commonly used in auto racing, but is also used by some drivers for use with an automatic transmission, as the left foot is not needed to operate a clutch pedal.
Karts, many open wheelers, and some modern road cars ( cars that are mounted with automatic transmission or semi-automatic transmission as used in motorsports such as Formula One ), have no foot-operated clutch, and so allow the driver to use their left foot to brake.
However some films of note were produced during this era including: Carve Her Name With Pride, Sapphire and Victim, as well as a clutch of prestige topics such as the coronation of Elizabeth II and filmed performances by The Royal Ballet.
However some films of note were produced during this era including Carve Her Name with Pride, Sapphire and Victim, as well as a clutch of prestige topics such as the Coronation of Queen Elizabeth II and filmed performances by The Royal Ballet.
Honda have already confirmed some details of the V4 engine as well as a new optional six-speed push-button operated dual clutch transmission with three modes: automatic, sport and manual.
Mangrove Warblers, on the other hand, have only 3 eggs per clutch on average and incubate some 2 days longer.
Batteries replaced the rear seats and occupied some of the engine bay where the DC motor was also fitted, driving through the normal clutch and gearbox.
She removes some or all of the host's clutch of eggs, and lays an egg which closely matches the host eggs.
In some countries, there was also a " Cupra 4 "; equipped with a 2. 8 litre VR6 delivering and equipped with four-wheel drive ( 4WD ), based on the same Haldex Traction multi-plate clutch as the Volkswagen Golf 4motion.
The winch is powered by bevel gears on a shaft driven directly from the engine, with some form of clutch providing raise / lower control.
The two pale blue subelliptic eggs per clutch measure some 23 – 31. 5 mm long by about 17 – 22 mm wide and weigh about 5 grams each.
In some vehicles though ( e. g. motorcycles ), a centrifugal clutch is nevertheless added, however this is only to provide a " neutral " stance on a motorcycle ( useful when idling, or manually reversing into a parking space ).
Some include spring loading to provide some small torque so that with little or no input torque ( trailing throttle / gearbox in neutral / main clutch depressed ) the drive wheels are minimally coupled.

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