# reduction ratio horsepower

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### Horsepower Formulas - Torque, Speed, Gear Rducers

When a machine must be accelerated to a given speed in a certain amount of time, the drive system HP may have to supply additional torque during acceleration to compensate for the load inertia. The acceleration torque must be added to the normal torque requirements of the machine.

Get Price### How to Compare Weight Savings to Horsepower Gains

Weight to Power. Weight to power is one way to get a general idea of acceleration performance. For example, if I have a 3500 lb car with 215 horsepower, I simply divide 3500 by 215 to get a weight to power ratio of 16.28 lbs per horsepower. The same car with 250 hp would have a weight to power ratio of 14 lbs per horsepower.

Get Price### High Performance Math

High Performance Math - Racing and Math Competition! If you would like something calculated and did not see it here, please email your calculator request to the address below. ... Primary Gear Reduction Ratio: to 1 (If you are not sure what this is, make it 1. Most cars do not have it.)

Get Price### How to Size and Select a Gearbox: A Motion Engineer's Guide

Aug 24, 2012 · This chart provides values for C-face motor input (flanged) or directly coupled (non-flanged) motors. It lets the design engineer verify that with 15:1 reduction, a 726 flanged gearbox outputs 116.7 rpm . and when used with a 2-hp motor, outputs 994 in.-lb of torque.

- Author: Lisa EitelGet Price
### How to Calculate Gear Ratios and Torque | It Still Runs

To calculate gear ratios and the effect they have on torque, you need the size of each gear and the torque acting on the first gear, which mechanics call the "driver." Step 1 ply the force acting on the first gear by the first gear's radius.

Get Price### Pulley and RPM Calculator | Engineering Information ...

1750 RPM ÷ 1000 RPM × 3.5 INCHES = D 2 D 2 = 6.125 INCHES. Pulley and Speed Calculator: Below is a small calculator that will solve the ratio for you. Check the circle next to the item you are solving for and enter the remain three items in the spaces provided.

Get Price### Equipment Sizing: Crusher or Grinding Mill

A newer method is the use of the average reduction ratio Rra. This can be obtained by averaging the reduction ratios at 90, 70, 50, 30 and 10% passing. This can be obtained by averaging the reduction ratios at 90, 70, 50, 30 and 10% passing.

Get Price### Gear Reducing Formulas

The output torque from a transmission with input torque 500 Nm, gear transmission ratio 3.8 and gear efficiency 0.9 - can be calculated as M o = (500 Nm) (3.8) (0.9) = 1710 Nm

Get Price### Vehicle HorsePower to Weight Ratio Calculator | Power to ...

Find the Vehicle HorsePower to Weight Ratio with Vehicle power and Vehicle weight. Here the Vehicle power is 234 hp and Vehicle weight is 15000 pound. = ( Power / Weight ) = ( 234 / 15000 ) Vehicle horsepower To Weight Ratio = 0.0156.

Get Price### How do you figure Hp on gear reduction motor? [Archive ...

Generally a well designed geared speed reducer will be about 97% efficient per stage of reduction. In a three stage gear reducer you will have 0.97 x 0.97 x 0.97 loss or about 91% overall loss or there-abouts. If the motor was rated at 1 HP the power output at the reducer shaft would be about 0.91 HP.

Get Price### Arrowprop - Reduction Drives

Arrowprop offers reduction drives for all V-Twin engines up to 40 Horsepower. The reduction drive kit come complete with all hardware for mounting. Arrowprop reduction drives are avaliable for the Teledyne, Volkswagen, and Subaru engines.

Get Price### How to Calculate the RPM of a Motor and Speed Reducer | It ...

The RPM of the assembly is the RPM motor divided by the reduction. In our example, it would be 5000 RPM/2.4 = 2083 RPM. Items you will need. Tips. The ratio of a reducer will always be in the form of A:B, where A>B. Warnings. The RPM found should always be lower than the base RPM of the motor.

Get Price### How much weight loss = 1 (theoretical) HP? - Pelican Parts ...

If your car weighs 2300 lbs, and has presently 215 hp, for example, then you have 10.75 lbs for each hp to lug about. Therefore, it would seem that in this case removing 10.75 lbs from the overall weight OR adding 1 hp to the engine output would have roughly the same effect on performance.

Get Price### V-Belt Drive Selection Handbook

The speed ratio would be stable if slippage did not occur; however as belt slip is inevitable, the ratio varies and is therefore only theoretical. If the speed ratio is < 1 (ex. 1:4), we refer to a speed up system; if the ratio is > 1 (ex. 4:1 ), it's a speed reduction system.

Get Price### Weight Is Always More Important than Horsepower

Jul 28, 2016 · You might claim that a 600-horsepower, 6000-pound SUV is equal to a 200-horsepower, 2000-pound race car, but I'm not buying it. The ratio might be the same, but the reality is .

- Author: Jack BaruthGet Price
### Horspower Calculator - Rush Gears

Worm Gear Horsepower Info Spur Gear Ratio & Center Distance . Information on this page is to be used as a guide. Consult an engineer for more information. ©Rush Gears inc. 550 ia Drive Fort Washington, PA 19034 Phone: 800-523-2576 / 215-542-9000 Fax: 800-635-6273 / 215-542-0355 [email protected] ...

Get Price### Cyclo® 6000 Gearmotor | Sumitomo Drive Technologies: USA

Choose the size and modifications that best fit your needs. A wide range of HP ratings up to 200HP, reduction ratios up to 658,503:1, and dozens of application and industry specific modifications, ensure your operation avoids unexpected downtime.

Get Price### How does gear ratio affect Torque ~ Mechanical Engineering

How does gear ratio affect Torque? Simply put, torque at work (such as at a wheel) is your motor's torque times your gear ratio. Motor Torque x gear ratio = torque at the wheel. Lets say we have a 10rmps motor that is capable of 5 oz Torque (we know this from our motor spec.)

Get Price### 6.5 HP OHV Recoil Start 2:1 Internal Clutch Reduction ...

6.5 HP OHV Recoil Start 2:1 Internal Clutch Reduction Horizontal Shaft Gas Engine is rated 3.3 out of 5 by 4. Rated 3 out of 5 by James from tha shaft coming out of the 2:1 reduction unit is metric (20mm).

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### Used 1/2 HP Gear Motors for Sale | Electric Gear Reduction ...

Find used and surplus 1/2 HP, 3/4 HP, 2 HP electric gear motors for sale from leading manufacturers like SEW-Eurodrive, General Electric, Baldor & more. We have used electric gear motors in varied dimension. Request a quote now!

Get Price### Select speed reducers to perform reliably | Machine Design

Locate the speed reduction ratio or output speed required, then the reducer size that gives a rating equal to or more than the horsepower or torque calculated in Step 2.

Get Price### 1/4 Mile ET Calculator - Rob Robinette

This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. A 14% driveline loss is assumed for Wheel HP. See my Free Android Drag Racing Calculator App in the Google Play Store

Get Price### Motor HP & Torque Versus VFD Frequency - Pump Ed 101

At 60 hz (base motor speed), both HP and torque are at . When the VFD reduces frequency and motor speed, it also reduces voltage in order to keep the volts/hertz ratio constant. Torque remains at but HP is reduced in direct proportion to the change in speed. 50% of the 60 hz HP.

Get Price### How much weight loss = 1 (theoretical) HP? - Pelican Parts ...

Pelican Parts Forum! If your car weighs 2300 lbs, and has presently 215 hp, for example, then you have 10.75 lbs for each hp to lug about. Therefore, it would seem that in this case removing 10.75 lbs from the overall weight OR adding 1 hp to the engine output would have roughly the same effect on performance.

Get Price### Horsepower Design Equations Formulas Calculator - Power ...

Solving for vehicle power to weight ratio. This method uses power in horsepower and weight in pounds to determine the power to weight ratio. A car with a high power to weight ratio will accelerate faster than a automobile with a lower value.

Get Price### 1/4 Mile ET Calculator - Rob Robinette

This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. A 14% driveline loss is assumed for Wheel HP.

Get Price### Horsepower and Torque | Steve D'Antonio Marine Consulting

Top: This reduction gear offers a 2:1 reduction ratio, for every two revolutions of the engine; the propeller will complete one revolution. A low reduction of this sort will often be found on a relatively slow turning diesel. Bottom: This transmission offers a deeper reduction of 3:1, and it would likely be used on a moderately high speed diesel.

Get Price### Predator 22 hp Belt Reduction – Lone Star Hovercraft

Belt reduction drive designed specifically for the Predator 22 hp engine from Harbor Freight. Available in ratios of 1.68, 1.9, or 2.21, this is a perfect setup for mini airboats, jon boats, and bowfishing boats. For installation on jon boats or bowfishing boats, check out ourselection guide.

Get Price### ENGINES, MARINE AND INDUSTRIAL AND CLUTCH/ REDUCTION .

engines, marine and industrial and clutch/ reduction gears. microsoft internet explorer has a search engine you can use to search any web page by word.just click edit, then click "find (on this page)...", then enter the word(s) to search for.

Get Price### RPM'S and Gear Ratio - johnshotprop

Model HP WOT RPM Gear Ratio. 3.0 L 135 4400-4800 2.00 4.3 L 190 4400-4800 1.81 4.3 MPI 220 4400-4800 1.62 4.3 L EFI 210 4400-4800 1.62 5.0 L (A1) 220 4400-4800 1.62 5.0 L (B1) 220 4400-4800 1.65 5.0 L MPI (A1) 260 4600-5000 1.62 5 0 L MPI (B1) 240 4400-4800 1.65 .

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