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Racing Ratios - National Council of Teachers of …

    https://www.nctm.org/Publications/mathematics-teacher/2014/Vol107/Issue8/Racing-Ratios/
    1906 Association Drive Reston, VA 20191-1502 (800) 235-7566 or (703) 620-9840 FAX: (703) 476-2970 [email protected]

How to pick the right gear ratio for your needs

    https://grassrootsmotorsports.com/articles/how-pick-right-gear-ratio-your-needs/
    (Remember that lowering the ratio produces a higher number.) 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 …

Racing Ratio Lenco Transmission Ratio Sofware | Quarter-Max

    https://quartermax.com/racing-ratio-lenco-transmisson-ratio-software/
    A Windows program to quickly & easily calculate and compare transmission ratio's for "Lenco" type 2-5 speed racing transmissions. This program will calculate: • Transmission Ratio's • % of Gear Drop • Total Rear End Ratio Compare reference ratio set up to proposed ratio setup to fine tune your race car for maximum performance.

Guide To Choosing The Best Gear Ratios For Racing Cars

    https://www.yourdatadriven.com/guide-to-choosing-the-best-gear-ratios-for-racing-cars/
    A good approximation for this is typically estimated at about 2%-3% of your racing cars weight. Assuming you don’t know the mechanical losses precisely. …

Gear Ratio Basics by JPH Racing

    https://jphracing.com/Gear_Ratio_Basics_by_JPH_Racing.cfm
    If the size of the worn tires measures 2.25, and the new tires measure 2.50, and the old ratio was 6 to 1, then figure out the new ratio like this: 6 divided by 2.50 multiplied by 2.25 equals a 5.40 ratio. (Then switch to a pinion that works with the spur to get as close to a 5.40 to 1 ratio as possible. In this case it would be a 22.)

Gear Ratio Calculator - Summit Racing

    https://www.summitracing.com/newsandevents/calcsandtools/gear-ratio-calculator
    Gear Ratio Calculator Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you’ll get the right ratio without the guesswork. Solve For Gear Ratio (ex. 4.56) RPM (ex. 5000) Tire Diameter (in.) (ex. 28) MPH (ex. 45)

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/
    To determine the vehicle's overall First gear ratio we simply multiply the First gear ratio by the rear axle ratio (e.g., 2.48 x 4.10 = 10.17:1).

Gear Ratio Speed Calculator - Assassin Racing

    https://www.assassinracing.com/tech/gear_ratios.shtml
    A quick way to approximate the tire circumference is to add the wheel diameter to twice the height of the tire sidewall and then multiply by Pi (3.14159). For example, a car with 225/40R tires has a sidewall height of 3.54" (225 mm x 40/100 is 90 mm which is 3.54"). If it has 18" wheels then the tire diameter is roughly 25" (18 + 3.54 + 3.54).

Wallace Racing - Starting Line Ratio Calculator

    http://www.wallaceracing.com/calc-slr.php
    Starting Line Ratio Calculator Wallace Racing BACK to Calculators Use this calculator to see what your starting line ratio is. You can also use a different tire height to see how it affects the SLR (see the effects of tire height change without changing the rear gear ratio) Starting Line Ratio Calculator

Ratio Stadium - Arcademics

    https://www.arcademics.com/games/ratio-stadium
    Math Games, Fraction Games, Ratio & Proportion Games. Ratio Stadium is a multiplayer math game that allows students from anywhere in the world to race against each other while matching equivalent ratios! Content: Ratio equivalency. Standards: 6.RP.A.1: Understand the concept of a ratio. Grades: Grade 3, Grade 4, Grade 5.

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