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### How Much Horsepower Do I Need for my Boat | Formula .

The equation is GPH = (specific fuel consumption x HP)/fuel specific weight. For example, if you want to determine the fuel consumption for a 300-horsepower gasoline engine, you would calculate (0.50 x 300)/ 6.1, giving you a result of 24.5 gallons per hour. Boat Use. As with most decisions related to boating, the use of the boat is always a ...

Obtener precio### What Is the Formula for RPM? | It Still Runs

RPM is used with many key parameters such as diameter, mass and torque in fixed engineering formulas to calculate horsepower, linear velocity, gear ratios and tangential velocity. Conversely, a number of measurements can be made in any given system to calculate RPM. Since there is no one formula, several examples are provided below. Wheel RPM. Calculating RPM of a wheel on .

Obtener precio### Roller Drive Chain Selection and Engineering Information

Required information for drive selection: 1.Type of input power (electric motor, internal combustion engine, etc.). 2.Type of equipment to be driven. 3.Horsepower (HP) to be transmitted. 4.Full load speed of the fastest running shaft (RPM). 5.Desired speed of the slow-running shaft.NOTE: If the speeds are variable, determine the horsepower to be

### Motor Torque Calculations - NEPSI

Calculator-1. Known variables: Horse Power and Speed in RPM Torque is the action of a force producing or tending to produce rotation. Torque = force x distance Torque Input Horse Power, hp : Input Speed, N (RPM) : Torque, T (lbs-ft) : Calculator-2. Known variables: Weight (lbs), Diameter (ft), Change in Speed (RPM), and Time to accelerate Total System (sec) In addition to the torque required .

Obtener precio### What is the formula to calculate pump capacity and liters ...

For fire fighting system in high rise building we require 2 pumps 1) Jockey pump & 2) Main Pump to maintain pressure in risers. Please guide me and let me know the formula to calculate the capacity and LPM required for it. This is my request beside this if .

Obtener precio### How to Calculate Power Based on Force and Speed - .

In physics, you can calculate power based on force and speed. Because work equals force times distance, you can write the equation for power the following way, assuming that the force acts along the direction of travel: where s is the distance traveled. However, the object''s speed, v, is just s divided by t, so [.]

Obtener precio### Drilling Speeds and Feeds 2019 [RPM, Calculator, Chart ...

Drilling Speeds Feeds Calculator. You''ve found our simple free online Drilling Speeds and Feeds Calculator that uses the classic formulas taught in shop class. With a calculator, you don''t need to worry about how to calculate drill rpm or feed rate. Just key in the parameters and our calculator will give you the answer.

Obtener precio### How to Pick Motors for Linear Motion | Machine Design

Motors must accelerate loads while overcoming system friction and gravity without overheating. Here, we outline a step-by-step process for picking a motor size that''s up to the task. Key points ...

Obtener precio### How to Choose an Outboard Motor For A Boat | Allstate

EFI engines do not require fuel priming, and they have low emissions. They''re also quick to start and have lower fuel consumption without sacing performance, according to Discover Boating. How Much Horsepower Do I Need for My Boat? Simply put, it''s typically a good idea to get an outboard motor with the maximum horsepower recommended by your boat''s manufacturer, .

Obtener precio### How to Determine the Outboard Motor Size for Your Boat ...

Use a calculator, if there are several passengers, to multiply the top horsepower rating by 1.10. If the plate says a 120 horsepower engine is the largest you should use, then: 120 x 1.1 = 132, or a 130 horse motor, since the horsepower of outboard motors is rated in multiples of 10. This adds ten percent to the horsepower and will make it easier for your boat to carry the load of several ...

Obtener precio### How to Calculate the Torque of a Motor | It Still Runs

Calculate the length of the motor''s lever arm from the data you have. The length should be expressed in feet, which may involve converting the units from meters. If necessary, you can use the conversion calculator provided in the resources section of this article. Step 2. Calculate the force that the motor is capable of exerting on the lever arm. The force should be expressed in .

Obtener precio### kVA (Single and Three Phase) Calculator

Home; Engineering; Electrical; Single & Three Phase Line kVA calculator is an online tool used in electrical engineering to measure the unknown quantity by two known quantities applied to the below formulas for single phase and three phase connection. To calculate kVA, you need to enter the known values of voltage and the current into the respective fields.

Obtener precio### Roller Drive Chain Selection and Engineering Information

Required information for drive selection: 1.Type of input power (electric motor, internal combustion engine, etc.). 2.Type of equipment to be driven. 3.Horsepower (HP) to be transmitted. 4.Full load speed of the fastest running shaft (RPM). 5.Desired speed of the slow-running shaft.NOTE: If the speeds are variable, determine the horsepower to be

Obtener precio### Rod Mills, How Do They Work? - Mine Engineer.Com

For an equivalent grind, a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. The rod charge must be maintained in good working condition, and broken and worn rods must be removed. Rod mills usually require greater operator attention. It is important that the rods stay essentially parallel to one another. If rods become .

### How to calculate cable sizes in sq.mm. with using motor .

How can you calculate: Ex: 1 Motor - 20HP 3ph. 415V 50Hz, 80% efficiency Cal: A= HPx746/(sqrt3xVoltxPFxefficiency) =20x746/1.732x415x0.8x0.8 =32.43Amp. We all know that a motor has 1.5 times starting current, Then 32.43x1.5 = 48.65Amp Now you can see in the current currying capacity of cable from manufacturer cable''s list.

Obtener precio### Power Calculator for Generators: Convert kVA to kW, kW .

Convert kW to kVA, kVA to kW, voltage, kW to HP, and more to assist with generator sizing and electrical specifications required for your genset. Emissions Careers Locations Industries Financing News About. Products Parts Service Used Rental News Careers Locations Close. Main: 855.465.8228 Sales: 877.333.4658 Service: 877.333.4658 Rental: 855.893.4778 Close. Online .

Obtener precio### How to determine motor torque and speed requirements

17/11/2017· If the static torque required to start the load moving is above 140 percent of motor full-load torque, an oversized control and a motor with sufficient torque capability may be required. There are several techniques that can be used to achieve the required torque, within the capability of the components used. These techniques should be discussed with the motor .

Obtener precio### How to Calculate Required Horsepower for Circular Saws

How to Calculate Required Horsepower for Circular Saws The horsepower required for a circular saw is determined by several interrelated factors: tooth style; number of teeth; saw speed; kerf width; bite; wood hard- ness; and cant face width. A formula developed by Hiram Hallock, retired, U.S. Forest Service, can be used to determine horsepower requirements. The formula is: HP = .

Obtener precio### How to build a server from scratch | Computerworld

You can save yourself loads of work and gain the peace of mind that comes with top notch support by buying a server from Dell, HP, or other big brands. One thing you won''t save loads of .

Obtener precio### SA.GOV.AU - Calculate appliance running costs

Convert J to MJ by dividing by 1,000,000. In this case, no conversion is required. 3. Check your bill for your energy tariff rate – the amount you pay per unit of gas. If you are unsure, you can use 4 cents per MJ for gas. 4. Multiply the input power by the energy tariff to calculate the hourly running cost. 26 x 4 = 104 cents per hour. 5

Obtener precio### How to determine motor torque and speed requirements

17/11/2017· If the static torque required to start the load moving is above 140 percent of motor full-load torque, an oversized control and a motor with sufficient torque capability may be required. There are several techniques that can be used to achieve the required torque, within the capability of the components used. These techniques should be discussed with the motor .

Obtener precio### What is horsepower (hp)? How to Calculate Horsepower ...

First, a few equations to help you calculate your horsepower: Power = Work / Time Power = (Force x Distance) / Time. For electric motors, power or horsepower can be calculated from the torque and speed. For example, if you have a motor rated for 3,000 RPM and 6 in-lbf then the horsepower is calculated below. Horsepower = (3,000 x 6) / 63,025 ...

Obtener precio### Car finance calculator

Finance calculator notes: Banks will often require a deposit of around 10% ; Interest rates are influenced by the age of the car, your credit history as well as various other factors. The interest rate applicable will need to be confirmed with your finance provider on application. *Please note that these calculations are only estimates and must be confirmed with your finance provider. .

Obtener precio### How to Determine the Fuse/Wire Size

How to calculate fuse rating. For those of you who want to get right down to business, let''s not waste any more time, here''s how you''d go about calculating fuse size correctly in 3 simple steps: Reasons why you should never put in a larger fuse! Determine the wire gage you already have by locating it on the package or simply by measuring it. Use the following table to determine the ...

Obtener precio### Motorbike licence calculator - what bike can you ride ...

### Required Water Pump Horsepower Calculator

Required Water Pump Horsepower. Use this form to estimate the brake horsepower and total power (hp) requirements of the electric motor used to power an irrigation water pump.. Learn more about the units used on this page.

Obtener precio### Amps to HP Calculator | Electric Motor Amps to .

Amps to HP Calculator. Amperes (amps) and horsepower (HP) are the electric motor''s rating methods. Amps - amount of the rate of flow of electricity, whereas Horsepower - measurement of work divided by time.

Obtener precio### Watts to horsepower (hp) conversion calculator

Watts (W) to horsepower, power conversion calculator. Enter the power in watts and press the Convert button: Enter watts: W : Result in mechanical horsepower: hp (I) Result in electrical horsepower: hp (E) Result in metric horsepower: hp (M) Horsepower to watts conversion How to convert watts to horsepower Watts to mechanic / hydraulic horsepower. One mechanic or .

Obtener precio### How to Size a Motor - Motion Control Online

The goal is to specify a motor that provides the speed, acceleration, and torque required to position the load at the designated location and the desired time. It may include a safety margin designed to compensate for motor-two-motor variation or expected changes in the running condition of the machine. The safety margin should be added on top of an informed calculation.

Obtener precio### Convert a Manual Mill into a CNC Machine | Make:

18/12/2012· I will provide steps for setting up the electrical components and required software in a separate tutorial. This project will only cover the physical hardware conversion. December 18, 2012, 10:48 pm PST. Parts ; Parts. 3-Axis Monster Mill Stepper Motor Driver Kit, PBX-RF breakout board (1) Ready to run ''large enclosure'' option recommended; Heli-Cal zero backlash coup (3) Mini-Mill .

Obtener precio### Stepper Motor Calculator - Electrical Engineering ...

This tool is designed to calculate the maximum speed of a stepper motor as well as the minimum time per step and the maximum power dissipation. To use this calculator, simply supply the required fields and click the "calculate" button. Equations $$text{Max Speed} = frac{V}{2LI_{max}cdot spr}$$ $$text{Minimum Time per Step} = frac{2LI_{max ...

Obtener precio### How to Calculate Torque of DC Motor? – Electrical ...

Now if we talk about a DC motor which also works on the same principle since it is also a rotational machine. Understanding of the torque of DC motor is a very important in order to understand its operational parameters and its speed control etc. So we can say that in order to understand the running behavior and implications of any type of torque DC motor we must .

Obtener precio### Making a Ball Mill - YouTube

31/03/2018· The milling of the materials is a very useful procedure in various domains in life as well as in the constructive domain. Click HERE to subscribe to Make i...

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