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A five speed gear box is an automobile transmission which has five forward ratios (speeds). Usually, "five speed" is used to indicate that the car has a manual transmission with a clutch pedal, however many automatic transmissions have five speeds as well.
A synchromesh gear box is a manual transmission which has synchronizers on most of, if not all of the gears. A synchronizer is a device which helps speed up or slow down the layshaft so that it can engage a gear smoothly when you move the gear lever.
In a car with a manual transmission, there are 3 pieces of the drivetrain moving at 3 possibly different speeds at a time: The Engine, the Layshaft, and the Driveshaft. The driveshaft connects to the wheels and is always spinning at a speed proportional to them. The engine speed is what you see on the tachometer.
The layshaft is a shaft which transmits power rom the engine to the gears of the transmission. It is connected to the driveshaft through the gears whenever the gear lever is not in neutral, and it is connected to the engine whenever you are not stepping on the clutch pedal. This is why you can disconnect the engine and wheel speeds either by putting the car in neutral or by stepping on the clutch.
When you accelerate, the engine speed and layshaft speed are the same. When you shift into the next gear (commonly around 3000 rpm), you step on the clutch (disconnecting the engine) and slide the gear lever into the next higher gear. When that gear engages the layshaft, it needs the layshaft to be turning about 2000 rpm. The synchronizer helps slow down the layshaft to 2000 rpm and engage the gear smoothly. Without a synchronizer, you would either have to wait for the layshaft to slow down before engaging the next gear, or you would have to double-clutch: a technique where you use the engine to slow down the layshaft.
All modern manual gearboxes are synchromesh gearboxes.
If a synchromesh gearbox is being properly shifted (with the clutch pedal fully depressed), and it is grinding as you engage a gear, it is likely that the synchronizer on that gear is worn out. if you are clever, you can still drive the car by double-clutching: take your food off the clutch in neutral, rev the engine to the speed it needs to be going for the next gear (yes you would have to memorize this), then step on the clutch pedal again and slide the gearstick into the slot. This method is also useful in non-sequential downshifts (i.e. fifth gear to second gear) as a way to abate wear on the synchronizer.
What else can I help you with?
Does a 1993 Geo Tracker 5 speed have a gear box?
Yes, the transmission is the gear box.
Is the Harley Davidson flhtcu an FLH or FLT?
FLT. It has a 5 speed gear box, and is rubber mounted
How do you tell a 5 speed rover gearbox from a 4 speed rover gearbox?
get gearbox number off gear box and look it up online.other than that try counting the different positions of gears
How do you put a gear shift back into 1993 ford 5 speed transmission?
how do you put gear shift back into 1993 ford f-150 5 speed transmission
How do you shift a 1948 kenworth with a 5 speed main transmission and 4 speed auxillary transmission?
You put the main box (5 speed) in 1st. and the Aux. box (4 soeed) in 2nd. Shift the Aux. box through 2nd, 3rd, @ 4th......shift main into 2nd and the Aux. back into 2nd......repeat. Most Aux. boxes have a unprogressive 1st. gear, so you only use when you need it....hope this helps.
When you use a gear with a small diameter to drive a gear with a large diameter what is increased speed or torque?
Torque is increased on the larger, driven gear. The increase can be calculated as the ratio of the radii of the two gears. For example, if the small gear has a radius of 2 cm and the larger gear has a radius of 10 cm, the torque ratio is 10/2 (ten to two), or 5/1 (five to one). So the driven gear is producing 5 times the torque of the driving gear. The speed ratio is the reverse; the driven gear is rotating at 1/5 the speed of the driving gear.
Difference between 4 gear and 5 gear motorbikes?
5 speed gearbox has a lower first and second gear (spacing is closer together), 4 speeds are for motocross tracks.
What would cause a 1989 Honda Accord lxi 5 speed transmission to not go in fifth gear?
1988 accord will not go into 5 gear
How much gear box oil for a ktm 85 2005?
.5 L
Is the Nissan Frontier a 5 forward gear box?
Yes... mine is anyway. ...
How much oil does the a manual gear box on x type on jaguar?
5 speed Manual Gearbox MT75 & 6 speed Manual Gearbox MMT6 Jaguar specs. call for WSD-M2C200-C This equates to a Full Synthetic Gear Oil GL-4, 75W90 Approx. gearbox capacity 1.75Lit.
Where is the fuse box on a 2002 Toyota Hiace van?
On a 2002 Toyota Hiace (Not LWB) 5 speed Manual gear box delivered in Australia (Right hand drive) the fuse panel is located above the Clutch Pedal. Hope this helps.
