How to Identify and Resolve Common Issues ?
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An identification tag number, which is on one of the mounting bolts on the tail case, can identify all T-5 manual five-speeds. Whether they are Borg-Warner or Tremec units, all have a seven-digit ID number on this tag.
A gear ratio is the ratio of the number of rotations of a driver gear to the number of rotations of a driven gear. A colon is often used to show a gear ratio: gear ratio = rotations of a driver gear : rotations of a driven gear. For every rotation of the 45-tooth gear, the 15-tooth gear must rotate 3 times.
The 2.43 1st gear ST10 transmission is ideal for vehicles equipped with 3.73 to 4.56 axle ratios. These make great replacements for standard Muncie 4 speeds.
Check the owners manual and your vehicle`s paperwork
If you already own a car with an automatic gearbox and you want to figure out the exact type of gearbox you have, checking your owners manual and car`s paperwork is a good start. While the owner`s manual does not always contain this information, most of them do.
Locating the transmission tag and identifying the model designation. Transmission model designation (i.e. RT-12609A), and other transmission identification information, are stamped on the transmission tag which is attached to the side of the transmission.
Between 25% and 50%: A gearing ratio within this range is typically considered optimal or normal for well-established companies. Lower Than 25%: Gearing ratios that fall under this value are typically considered low-risk by both investors and lenders.
Think of gear ratios as a distance between two points. In a typical muscle car, 4-speed application fourth gear is direct, or 1:1 ratio. Again, thinking in terms of distance, consider fourth gear or direct as your final destination. The further you get away from 1:1 (direct) the wider the ratio.
The driving gear has fewer teeth than the driven gear. For example, if a motor drives a 12T gear to a driven 60T gear on an arm, the 12T driving gear has to rotate 5 times to rotate the 60T driven gear once. This is known as a 5:1 ratio.
The gear ratio i=d2/d1. d1 and d2 refer to the reference diameters of 2 mating gears (gear 1 is the driving gear, and gear 2 is the driven gear).
If a gearbox contains 3:1, 4:1 and 5:1 gear sets, the total ratio is 60:1 (3 x 4 x 5 = 60). In our example above, the 3,450 rpm electric motor would have its speed reduced to 57.5 rpm by using a 60:1 gearbox. The 10 lb-in electric motor torque would be increased to 600 lb-in (before efficiency losses).
To obtain the basic size of gearbox, the nominal torque at the output shaft is calculated, using the absorbed torque at the driven machine, or the prime mover torque multiplied by the gearbox ratio, if the absorbed torque is unknown.
The numbers on an automatic transmission shifter indicate the gear ratio. The higher the number, the higher the gear ratio. The lower the number, the lower the gear ratio. For example, if you`re in first gear and shift to second, you`re increasing the car`s speed.
Some OEMs still use the same 10-digit VIN patterns for automatic and manual transmission vehicles, meaning that VIN alone will not be enough to determine the vehicle`s transmission type.
Digits in position 4 through 9 make up the Vehicle Description Section (VDS). The fourth through eighth digits describe your vehicle`s model, body type, restraint system, transmission type, and engine code.
The gears determine the amount of power available from the engine. First gear provides the most pulling power but the least potential for speed, whilst fifth gear which provides the least pulling power allows the greatest range of speed.
Gear ratios can be boiled down to a single statement: Higher ratios (with a lower numerical value) give better torque/acceleration and lower ratios allow for higher top speeds and better fuel economy. Higher ratios mean the engine has to run faster to achieve a given speed.
Types of Gearbox
You should find the Gearbox Serial Number Stamped on a machined flat near the Drain Plug area, please see the picture below. The Number Consists Of : A Prefix e.g. 56A.
The ratios from first to fifth gear are 6.16, 3.11, 1.71, 1.00 and 0.76. The 6.16 ratio gives you acceleration for standing starts and torque for crawling or steep hills. The 0.76 ratio is ideal for highway cruising.
A close-ratio type of transmission is designed to allow an engine to remain in a relatively narrow operating speed. Alternatively, a wide-ratio transmission requires the engine to operate over a greater speed range, but requires less shifting and allows a wider range of output speeds.
In a small/large gear set-up, when the small gear has made a full rotation, the large gear will not have yet completed a full rotation. Thus, the smaller gear makes more revolutions in a given time, rotating at a faster pace than the larger gear.
So, buying a reel with a 7.0:1 gear ratio, which retrieves line pretty quickly, might be good for covering lots of water with a spinnerbait to locate active fish.
The largest cogs are closest to the wheel and the gears are numbered from the inside out. The larger the cog the `lower` the gear and the easier it will be to pedal, but the slower you will go.
The size of gears is determined in accordance with the reference diameter (d) and determined by these other factors; the base circle, Pitch, Tooth Thickness, Tooth Depth, Addendum and Dedendum.
Gear rpm indicates how many rotations a rotating object makes per minute. To convert from gear speed in rad/s to gear speed in rpm: multiply gear speed in rad/s by 30 / π 30/\pi 30/π.