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Understand Gearing Ratios

    https://site.petitrc.com/Tech/UnderstandGearingRatio/#:~:text=The%20gear%20ratio%20is%205%3A1%20%28five%20to%20one%29%2C,to%20add%20gearing%20options%20to%20your%20pit%20box.
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How to Choose the Right Gear Ratio for Your Muscle Car …

    https://www.motortrend.com/how-to/how-to-choose-the-right-gear-ratio-for-your-muscle-car-or-drag-racer/
    The overall First gear ratio with the TH400 and 4.10:1 rear gear would be 2.48 x 4.10 = 10.168:1. But, 10.168 4.70 (to determine the …

Guide To Choosing The Best Gear Ratios For Racing Cars

    https://www.yourdatadriven.com/guide-to-choosing-the-best-gear-ratios-for-racing-cars/
    Track Specific Gear Ratios 1- Length of Straights. What you can do in that situation is instead of optimising your gear ratios to hit the cars... 2- Minimum …

Gear Ratio 101: Learn the basics of gear ratio - RCTalk

    https://www.rctalk.com/gear-ratio-basics/
    Simply stated, a gear ratio is a numerical value that describes the relationship between two gears (a spur and pinion gear for our discussion). A gear ratio can also describe the relationship between the FIRST gear and the LAST gear in a gear train (or a transmission). You take the number of teeth on the DRIVEN (Spur) gear and divide it by the number of teeth on the …

Drag Transmissions and Gear Ratios - GTPlanet

    https://www.gtplanet.net/forum/threads/drag-transmissions-and-gear-ratios.216579/
    The bigger the ratio number, the shorter the gear. So a 4.00 FINAL DRIVE gear ratio means for every 4 rotations of the driveshaft (continuing the rear wheel drive example), the wheels turn 1 time. So you could set all of your ratio's excluding the final gear to lower numbers. but set the final drive ratio high (like 4.00) and the car will behave like it has shorter gears (it …

Selecting the Best Gear Ratio - Mark Williams …

    https://www.markwilliams.com/selecting-gear-ratio.html
    Selecting the Best Gear Ratio. One of the primary reasons why the 9" Ford rear end has come to dominate drag racing is the ease with which thirdmembers with various ring & pinion gear ratios can be installed. The aftermarket has …

Gear Ratio Basics by JPH Racing

    https://jphracing.com/Gear_Ratio_Basics_by_JPH_Racing.cfm
    Grab a calculator, a pad of paper and a pen, there is some simple math that will allow every racer to figure out a gear ratio, overall ratio and how to adjust a ratio for tire wear. To find the gear ratio, simply divide the spur gear by the pinion gear. As an example, a 120 spur and 20 pinion equals a 6 to 1 ratio. This means that for every 6 turns the motor rotates, the wheels rotate 1 time. When …

How to pick the right gear ratio for your needs | Articles

    https://grassrootsmotorsports.com/articles/how-pick-right-gear-ratio-your-needs/
    To find the ideal selection, multiply the final drive ratio by the redline speed in fourth gear (152 mph) and divide that by the top track speed (140 mph). This would yield a theoretical 3.33—which is close enough to the nearest available final drive ratio of 3.36:1.

Wallace Racing - Calculate Rear End Gear Ratio needed

    http://wallaceracing.com/calcrgr.php
    To find the ideal gear ratio for drag racing use your RPM at peak HP. Example: If your max HP is at 6300 RPM use 6300 for the RPM. Gearing for cruising To find the ideal gear ratio for cruising use your RPM at peak Torque. Example: If your max Torque is at 3300 RPM use 3300 for the RPM.

Rear-End Gearing Simplified - Bad-Ass Racing Engines

    http://www.badasscars.com/index.cfm/page/ptype=product/product_id=398/category_id=13/mode=prod/prd398.htm
    Rear end gears (2.79’s, 3.00’s, 3.25's, etc) are great for freeway driving, bit not good for 0-60 MPH or accelerating from a dead stop. Shorter gears (higher numbers) are much better suited for accelerating, such as 3.55, 3.73, 3.91’s, 4.11’s etc. Always remember, for very “give” there is …

R/C Gearing 101 - Roger's Hobby Center

    https://rogershobbycenter.com/rc-gearing-101
    To determine your gear ratio, you divide the spur gear tooth count by the pinion gear tooth count: Spur Gear / Pinion Gear = Gear Ratio 86 / 23 = 3.74:1 (This means the spur gear will rotate once for every 3.74 times the pinion gear, and therefore the motor shaft, does.)

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