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R/C Gearing 101 - Roger's Hobby Center
https://rogershobbycenter.com/rc-gearing-101#:~:text=To%20determine%20your%20gear%20ratio%2C%20you%20divide%20the,pinion%20gear%2C%20and%20therefore%20the%20motor%20shaft%2C%20does.%29
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/
1 Choosing The Best Gear Ratios 2 The “Does It For You” Spreadsheet 3 The Basic Goal 4 Mixed Blessing 5 Three Bits of Theory 5.1 1- Tractive Force From …
Understand Gearing Ratios
https://site.petitrc.com/Tech/UnderstandGearingRatio/
The gear ratio is 5:1 (five to one), and that means that the pinion must make five revolutions to turn the spur gear one revolution. It’s that simple. You don’t need to spend a lot of money to add gearing options to your pit box. Robinson Racing offers convenient pinion “6 packs” for about $15.
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 …
Drag Transmissions and Gear Ratios - GTPlanet
https://www.gtplanet.net/forum/threads/drag-transmissions-and-gear-ratios.216579/
Each gear ratio dictates how many engine speed (RPMS) to how many rotations of the final gear to finally how many rotations of the wheels of the car. 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.
How to Select Gear Ratio Combos for Better Performance
https://www.racingjunk.com/news/how-to-select-gear-ratio-combos-for-better-performance-2/
Bigger was better. Out back, you had to pack (at least) a set of 4:11’s to be somebody. The reality was, you didn’t have much choice either; for example, if you were a GM guy all you could get inside a close ratio Muncie was a 2.20:1 first gear set. GM Powerglides offered a bit of choice as they came in either a 1.76:1 or a 1.82:1 low gear ...
Selecting the Best Gear Ratio - Mark Williams Enterprises, Inc
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 responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1.
How to Select Gear Ratio Combos for Better Performance …
https://www.racingjunk.com/news/how-to-select-gear-ratio-combos-for-better-performance/
Gear Ratio X Tire Revolutions Per Mile = 2,500 X 60 = 2,500 X 60 3.08 X 778.69 3.08 X 650.58 = 150000 = 150000 2398.365 2003.786 = 62.54 MPH = 74.86 MPH As you can see, there’s a considerable difference in the speed of the two cars at a given RPM level. The only mechanical difference between the two is the rear tire diameter (height).
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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