Hydraulic motor calculator

Hydraulic motor calculator. To use the calculator, simply input the necessary values and click the “Calculate” button. Such devices are usually used in situations where you have to lift something heavy using a lower force, e. Here, we are providing the full free course. Features at a glance: - By entering Centrifugal Pump: Requires a torque ranging between 1,500 and 3,000 ft-lbs to operate efficiently. Jai Hind,About this video,Dosto ek hydraulic power pack banane ke liye motor aur pump size kaise chune ies video me complete janege. 28 (Can also use horsepower (hp) x 63,025 / speed (rpm) Motor Speed (rpm) = 231 x flow rate (gpm) / motor displacement (cu ins/rev) Motor Horsepower (hp) = torque (in lbs) x motor speed (rpm) / 63,025 Motor Flow Rate (gpm) = motor Hydraulic Pump Power formula. As an example of how to calculate hydraulic motor size to match an application, consider the following: an application calls for 5 hp at 3,000 rpm, with an available supply pressure of 3,000 psi and a return line pressure of 100 psi; the pressure differential is 2,900 psi. The performance and efficiency of these components affect the overall operation and energy consumption of the system. 1416 (rounded to the nearest 10,000th) Example: The output torque of a motor with 2000psi and. The hydraulic motor is the rotary counterpart of the hydraulic cylinder as a linear actuator. Explore a comprehensive engineering toolbox with resources and tools for diverse engineering applications in the motion control solution space. Gallons per minute (GPM) 5 Pounds/Sq Inch (PSI) Horsepower. how to calculate of hydr Jun 21, 2023 · Discover how to correctly size electric motors for hydraulic pump drives with Womack's guide. D x D. Direct from the factory. If you a hydraulic motor with 225 hp and a speed ⍵ of 1,500 rpm, then the resulting torque would be …. Disk and spring valves. Example Calculation. Flow and Pressure Relationship. 17cm3 to 90cm3. 408. The shaft power is equal to the pump required power divided by the efficiency. *All trademarks are the property of their respective owners. A heavy duty pipe has a thicker wall than a standard duty pipe, so the internal diameter of the heavy duty pipe is smaller than the internal diameter of a standard duty pipe. Sep 30, 2017 · Website: https://klettetech. 2. Determining the correct sized electric motor for your hydraulic system will aid in reducing energy consumption while increasing efficiency. The calculator below can used to calculate the hydraulic and shaft power of a pump using Imperial units: q - flow capacity (gpm) γ - specific weight of fluid (lb/ft3) g - gravity (ft/s2) h - differential head (ft) η - pump efficiency. So at this flow and pressure, the heat load or power lost to heat of each pump is. Click to Compute the HORSEPOWER *Disclaimer below. 14 = 6. How to Use. Cubic inches or Cu is the imperial Discover the power of hydraulics with Womack Machine Supply’s extensive range of hydraulic products. 7 = 8334 kWh. Pump Sizing does the hydraulic calculation for a centrifugal pump and estimates differential head, hydraulic power, motor power, NPSH available. Pump Speed n, for AC Motors this is commonly 1450 or 2850rpm. Please refer to Part 1 of this series which appeared in Design Data Sheet 41. Feb 1, 2024 · Calculating hydraulic motor displacement is essential for various engineering and industrial applications. Pascal's Law Pascal's law and the hydraulic force acting in fluids. 4 Different Oils. P (kW -Shaft) = P (kW) / η. This metric is particularly relevant in the fields of mechanical and civil engineering, where it aids in the sizing and selection of hydraulic machinery such as pumps and motors Feb 24, 2024 · Hydraulic pumps and motors are essential components of many fluid power systems. Piston Pump: The operational torque requirement for this pump varies from 500 to 5,000 ft-lbs. External gear pump: 36. RPM = HP * 5252 / T. By using this, you agree to hold harmless Hydraulic motors are commonly used in machinery and equipment to convert hydraulic fluid energy into mechanical rotational power. 4 lb/ft 3. Now that you know about some essential points of our calculator, please read the article below to learn about: The volumetric displacement of hydraulic cylinders. instagram. 3501 in/lbs. Most broadly, the category of devices called hydraulic motors has sometimes included those that run on hydropower Dec 24, 2012 · With a little more math, we can quickly calculate the heat load of each pump: Drive power for a (non-existent) 100% efficient pump would be: 90 x 207 / 600 x 1 = 31. Warehouse distributor for many top name manufacturers. 9 x 0. You Specify the Inputs and Outputs. speed formula: Output RPM = (231 x Flow Rate) / Motor Displacement. Using a Hydraulic Motor Calculator is an excellent way to determine the motor's output horsepower while taking into account essential factors like flow rate, pressure, and displacement. The torque (τ) in a hydraulic motor can be calculated using the formula: Calculate Hydraulic Motor Horsepower. 75 cubic inches per revolution Motor RPM = 1500 Motor Displacement x Motor RPM ÷ 231 = 3. It assists you to determine correlated quantities like cylinder displacement, electric motor power, reynolds number, pressure drop across orifice and more. Cylinder Area (sq in) Stroke Length (inches) Stroke Time (seconds) Flow Needed. Pressure and Volume Flow The power required for hydraulic pumping. By using this app we can design single-acting and double-acting cylinders. Flow Rate = Rate of flow into motor in Gallons Per Minute (GPM) Motor Displacement = Cubic Inches per Revolution. * Torque values are in foot pounds. Relevant formulas are pre-selected for common components, allowing quick design. 2832. 3208 x GPM ÷ Internal Area = feet per second. Continuing with the above example, the overall efficiency of the pump is 0. Hydraulic Pump Volume Capacity Calculate hydraulic pump volume capacity. Hydraulic Force vs. Relationship between displacement and torque of a hydraulic motor: T = HP x 63025 ÷ RPM HP = T x RPM ÷ 63205 RPM = HP x 63025 ÷ T Note: For Torque in foot-lbs use 5252 in place of 63025 T Online Pump Calculator - Imperial units. Pump Power Calculator Calculate pumps hydraulic and shaft power. If you have the horsepower HP and the hydraulic motor speed in ⍵ in rpm, you can find the torque T in inch-pounds using this formula: T = HP x 63025 / ⍵. per rotation: V g: cm 3: Power: P: kW: Volume flow rate: q v: L/min: Volumetric efficiency: η vol : 0,9 - 0,95: Mechanical hydraulic The use of liquids to transmit force and energy. They convert mechanical energy into hydraulic energy, and vice versa. The hydraulic horsepower can be calculated using this below formula: Fill the input Discuss your project with an expert. The result will be displayed instantly within the form. Pump calculations how to calculate pump speed, head pressure, rpm, volume flow rate, impeller diameter. The Hydraulic Motor Efficiency Calculator is a valuable tool for engineers, technicians, and professionals working with hydraulic systems. From hydraulic cylinders and pumps to valves and motors, we provide top-quality components for your fluid power needs. ASME/CRN certified safety valves. com/product/1028/fluid-power-systems Flow M Features. Calculate the flow rate by assuming 100% efficiency. Hydraulic horsepower can be explained as the unit of power used for defining the water or hydraulic horsepower. I am looking to convert my Farm King SB80 80" 540 RPM 3-point blower to SSQA loader mount with hydraulic drive. Users enter the necessary data, and the calculator provides accurate results swiftly, eliminating the need for manual calculations and ensuring efficiency in design or troubleshooting tasks. SImply take the gallons per minute (GPM) multiplied by the pump pressure PSI then divide that number by the result of 1,714 times efficiency (we used 85% Formula: Cylinder Area x Stroke Length in Inches ÷ 231 x 60 ÷ Time in seconds for one stroke = GPM. 75 x 1500 ÷ 231 = 24. Examine how valves affect the input and output power consumption of a simple hydraulic pumps and motor circuit. PSI = Pressure into the motor in Pounds per Square Inch. v m = displacement /rev (cc /rev ) n = revs/min q = litres /min η v = Volumetric efficiency . The speed is the fluid flow rate q divided the motor displacement/rev. Mechanical Efficiency calculator uses Mechanical Efficiency = Actual Torque/Theoretical Torque*100 to calculate the Mechanical Efficiency, Mechanical efficiency is a measure of the effectiveness or efficiency with which a mechanical system or device converts input power into useful output power or work. 75) / 6. Specific weight of water is 62. All applications should be reviewed by an engineer before implementation. We buy large quantities of manufacturer's surplus or excess stock. Basic Hydraulic Motor Calculations: Motor Torque (in lbs) = pressure (psi) x motor displacement (cu ins/rev) / 6. 5 kW. The answers calculated should only be used as a basic guide and a variance of ± 2 – 3cc is possible. Hydraulic motors convert fluid pressure into rotary motion. This is a condensation of some of the Mechanical efficiency would be 91% (329 / 360 x 100 = 91%). But for calculating the net suitable motor, you need to calculate the shaft power of the pump. Motor Speed. T = 225 * 63025 / 1500 = 9,454 inch-pounds. , automobile hydraulic lift in service stations. flow rate, shaft torque, shaft power and hydraulic power. The theoretical torque required is calculated We do not warrant or make any representations regarding how you choose to use this information. 99. Here’s an overview of the formula used in a Hydraulic Motor Torque Calculator: Torque (T) = (Flow Rate (Q) x Pressure (P)) / (Motor Efficiency x 6. 75 cubic inches of displacement is: Torque (in/lbs) = (2000 x 2. 28 x Motor Speed (N)) Where: Torque (T) is the rotational force displacement volume The volume of liquid in cm³ in a pump or motor displaced by the upward stroke or other cycle during a rotation of the drive shaft. Enter the GPM and PSI (pressure). To determine the flow required for a hydraulic motor, the following formula is applied: \[ HF = \frac{D \times RPM}{231} \] where: \(HF\) is the hydraulic motor flow in gallons per minute (GPM), \(D\) is the motor displacement in cubic inches per revolution (in³/rev), \(RPM\) is the rotations per minute of the motor. 5 m/sec •gravity-fed water-like fluids: <1 m/sec •water-like fluids with settleable solids: >1, <1. Incorporating this tool into your design and maintenance processes will undoubtedly contribute to the efficiency and reliability of your hydraulic systems. Pi = 3. Qα √ Δρ Pump Sizing Calculation. The theoretical torque required is calculated Q (m3/min) = Flow in cubic meter per min. I am looking to build the hydraulic power pack myself using the mid PTO HF06 - Hydraulic Motor Fundamentals. Hydraulic Pumps and Motors. 5 – 31. Jul 5, 2023 · There are several essential things to consider when selecting a hydraulic motor. By using a calculator, you can select the best motor for your requirements, ensuring optimal performance and cost-effectiveness. Calculated out this gives an output torque of 875. ELECTRIC MOTOR HORSEPOWER (HP) REQUIRED TO DRIVE A GIVEN HYDRAULIC PUMP. This tool empowers engineers to calculate the necessary flow rate for a hydraulic motor based on specific parameters, such as pressure and displacement. Determine the output power in kilowatt. The Hydraulic System Calculator is an intuitive tool for people working with hydraulic cylinders, pumps, motors and pipes. T (h) = 38 * 14 = 532 hours. Feb 5, 2020 · To understand drilling hydraulics, you must pass several steps, modules, and calculations. Before we delve into the practical applications, let’s unveil the formula used to calculate Hydraulic Horsepower (HHP): HHP = (P * Q) / 1714. GPM. Quickly and Easily Calculate. Reciprocating Pump: This type of pump demands a higher torque, generally falling within the 2,000 to 12,000 ft-lbs range. Bearings on both ends of crank shaft. Disp = Motor Displacement in Cubic Inches. We show you how to experiment with our circuit simulations to explore its function and better Aug 18, 2020 · 1. Apr 14, 2023 · The Hydraulic System Calculator is an intuitive tool for people working with hydraulic cylinders, pumps, motors and pipes. Typical overall efficiencies for different types of hydraulic pumps are shown in the Table 1. 5 m/sec •air-like gases: 20 m/sec Keeping the system within these acceptable ranges of May 24, 2024 · Moreover, our calculator is a general-purpose tool that can compute the maximum force required for different types of actuators: hydraulic actuators, pneumatic actuators, and electromechanical actuators. 75 cubic inch motor at 1500 rpm? Motor Displacement = 3. The main objective of hydraulic calculation is to provide criteria & minimum requirements for the selection of pumps, compressors, and control valves to develop the GPM of Flow Needed for Fluid Motor Speed: Motor Displacement x Motor RPM ÷ 231 Example: How many GPM are needed to drive a 3. It aids in estimating the efficiency of hydraulic motors, which can vary based on factors like pressure, flow rate, and displacement. The hydraulic calculator allows users to quickly calculate or design hydraulic components due to the extensive collection of formulas and intuitive input mask. In this article we learn how to perform pump calculations in both imperial and metric units to assess pumping performance following the change of flow rate, pump speed, head pressure and power. Guidelines for flow velocity in hydraulic lines: 2 to 4 ft/sec = suction lines; 10 to 15 ft/sec = pressure lines up to 500 psi; 15 to 20 ft/sec = pressure lines 500 – 3,000 psi; 25 ft/sec = pressure lines over 3,000 psi V-Belt Length Calculator: LENGTH of V-Belt: Hydraulic Calculator #1: PUSH - PULL for a Cylinder: Hydraulic Calculator #2: PUSH - PULL (Cylinder at an angle) Hydraulic Calculator #3: SPEED for a Cylinder: Rephasing Cylinder Calculator: Matching Cylinders in Series: Gear Pump Calculator: DISPLACEMENT for Gear Pump: Hydraulic Motor Calculator Horsepower Required to Drive a Pump. 05 kW. Surplus equipment. 95. Typical overall efficiencies for different types of hydraulic pumps are shown in the Feb 24, 2015 · Cubic Inch. DIAMETER (D) WIDTH (W) LENGTH (L) Approximate Displacement =. Ensuring the motor is operating at peak continuous load is key, but knowing the exact power requirement is very important. All information included in Metaris Online programs are complete and correct to the best of our knowledge. In order to calculate the hydraulic Pump Flow rate Q (l/min), you must enter the following figure. These formulas are common practice rules of Jun 21, 2023 · Womack Data Sheet 71: Vehicle Drive with Hydraulic Motors – Part 2. It is the volume of a cube with each of its three dimensions (length, width, and depth) being one inch long. Use this equation to help figure out what electric motor horsepower (HP) is required to drive a hydraulic pump. Hence the required motor power in kW formula can be written as, P (kW -motor) = q (m 3 /hr) x ρ (kg/m 3) x g (m 2 /s) x h (m) x p (Pa A hydraulic calculation is performed for the pump, compressor, control valve, and piping system. We can also calculate velocity, extraction, and A hydraulic motor is a mechanical actuator that converts hydraulic pressure and flow into torque and angular displacement ( rotation ). Pressurized fluid from the hydraulic pump turns the motor output shaft by pushing on the gears, pistons, or vanes of the hydraulic motor. These are the most commonly used equipment & instruments in the process industries. It quantifies the ratio of the output power or work to the input power, taking into account Formula: 0. For example, if a pump requires 2 hp and you want it to operate at 700 rpm, then the motor size would be 2 x 3. RPM. Hydraulic Hose Size. This article provides a simple yet efficient calculator to determine displacement accurately. A hydraulic motor rotates at 600 rpm to drive a load of 400 N-m torque. 14 = 100 rpm. Ph = q ρ g h / (3. Visit Hydraulex website Hydraulic Oil Pump - Horsepower vs. Explore our website and unlock the potential of hydraulics for your industrial and mobile applications. Calculate output power in horsepower. Here we know the output of the pump and from that we can calculate the power motor required to drive Hydraulic Power Flowing through the Pipes. Simplicity: Hydraulic pressure calculators usually feature an easy-to-use interface that guides the user through the calculation process. The hydraulic horsepower is measured by kilowatts (kw). The cubic inch is a unit of measurement for volume in the Imperial units and United States systems. Enter GPM (inch) Enter PSI (inch) Horsepower (@ 65% Motor Efficiency) Reset Calculate. We look different ways of controlling the motor loads and see the effects on power consumption. 6 This motor full-load amperage (FLA) calculator allows you to calculate the full-load current of the AC electric motor. To size a motor for a pump, first identify the horsepower (hp) that the pump requires. Relationship between displacement and torque of a hydraulic motor: T = HP x 63025 ÷ RPM HP = T x RPM ÷ 63205 RPM = HP x 63025 ÷ T Note: For Torque in foot-lbs use 5252 in place of 63025 T Jun 26, 2014 · Sizing a Hydraulic Motor. Then press N to calculate, this will be shown in the result box. First, you must know the maximum operating pressure, speed, and torque the motor will need to accommodate. Hydraulic Oil Pump - Horsepower vs. HYDRAULIC MOTOR EQUATIONS Note: Hydraulic motors are typically classified as high speed motors (500 - 10,000 rpm) or low speed motors (0 - 1,000) rpm. Sep 30, 2023 · Flow rate (Q) from a hydraulic pump is calculated using the formula: Q = A * V. With our combined expertise, capabilities, and inventories - we have the largest offering in the industry of remanufactured, aftermarket, and OEM hydraulic components and parts. Hydraulic motors can be used for direct drive applications, where sufficient torque capacity is available, or through gear reductions. 40 cfm @ 150 psi. =. $ 29. Formula. This app enables design of individual hydraulic components around single-acting or double-acting cylinders. Hydraulic system calculator This app will be very useful for people who work with hydraulic cylinders, pumps, motors, and pipes. Then press Q to calculate, this will Calculate the total power consumption of the 3 Phase 30HP motor is operating for 38 days at 70% of the full load and the motor is operated at 14 hours per day. 6. Where: HHP: Hydraulic Horsepower (in horsepower, hp) P: Pressure (in pounds per square inch, psi) Q: Flow rate (in gallons per minute, GPM) This formula is the foundation upon which we’ll Wattage to heat hydraulic oil: each 1 watt will raise the temperature of 1 gallon of oil by 1°F per hour. The motor drive power available at the shaft = HYDRAULIC MOTOR EQUATIONS Note: Hydraulic motors are typically classified as high speed motors (500 - 10,000 rpm) or low speed motors (0 - 1,000) rpm. Apr 18, 2024 · This hydraulic pressure calculator analyzes a hydraulic system of two pistons connected to each other via a medium, usually a liquid. lb torque. You give us force, speed or torque and speed, and we'll do the rest. 5 days ago · Hydraulic horsepower (HHP) is a crucial parameter in the analysis and design of hydraulic systems, offering insight into the power transferred by the flow of fluid under pressure through a hydraulic machine or system. Flow rate (gpm) x 0. Where: Q is the flow rate in liters per minute (LPM) or gallons per minute (GPM). Use our power calculation formula, E (kWh) = 0. 746 * 30 * 532 * 0. 4. HORSEPOWER for a hydraulic motor: 1. A user can look into the formulas involved and switch to their preferred units. Apr 7, 2022 · A hydraulic motor rotates at 800 rpm with a 55 cm 3 /rev. 85-0. Hydraulic/Pneumatic Cylinders. Compressor load/unload operation. Hence the pump input power is equal to the Hydraulic Power Flowing through the Pipes divided by the efficiency in percentage. The Hydraulic Motor Flow Calculator: Enter the Hydraulic Motor Flow Calculator – a game-changer in the world of hydraulic engineering. Parker Hydraulics, Hypro Pumps, Prince Hydraulics. g = gravity (9. May 22, 2024 · Calculation Formula. 45 cfm @ 100 psi. Hydraulic Motor Calculations. Enter the GPM and PSI (pressure) to calculate Horsepower. HP = T * RPM / 5252. . Features at a glance: - By entering D x D. Hydraulic Pump Motor Sizing Motor size vs. HP. To use the hydraulic motor displacement calculator: Input the values of piston diameter (D) and stroke length (L). Jul 31, 2023 · Enter the volumetric flow, density, pump head, and efficiency into the calculator to determine the pump shaft power. atplearning. Hydraulic System Calculator helps you design a solution around the cylinder which may involve motor, pump, orifice and pipe calculations. Specify the Operating Temperature. 14 hp and the rpm would be 700/6. Here, Q = (D x n) / 1000. Sep 11, 2017 · 11. hp. It is commonly calculated by this equation, HHP=P*Q/1714, where P stands for pressure in pounds per square in. Example: How many horsepower are needed to drive a 5 gpm pump at 1500 psi? Formula: GPM x PSI x . Step1: First calculate the total number of hours. The area and volume of the cylinder can be calculated by entering the dimensions of the cylinder and parameters like pressure, oil flow. com/klettetech/Publisher: http://www. In order to calculate the Pressure P(bar) that could be generated from the motor and pump combination, you must enter the following figures:-Pump Flow Q, this is litres/minute; Pump Efficiency, for hydraulic power pack pumps this is in the range 0. The cubic inch of a motor, in most cases, is a reference to the size of the motor. 0007 = horsepower needed. com/Instagram: https://www. Pump Efficiency, for hydraulic power pack pumps this is in the range 0. We are primarily concerned with hydraulic motor drive of off-the-road vehicles, but the data in these sheets are also applicable for direct engine drive. Instructions: Select the number of phases from the drop-down list; Enter the motor rated voltage in volts (V) Enter the motor power rating and select the appropriate unit (HP or kW) Enter the power factor and efficiency of the Hi everyone, I'm looking for some outside input and proofreading on my calculations for my snowblower project. Note: The outside diameter of pipe remains the same regardless of the thickness of the pipe. Motor Horsepower. (D: inside diameter of pipe in mm) ft/sec. com provides you helpful and handy calculator resources. , Q stands for flow rate in gallons per minute, and 1714 is a conversion factor necessary to yield HHP in terms of horsepower. Hydraulic cylinder push and pull force calculator, hydraulic cylinder speed calculator, hydraulic pump displacement calculator, hydraulic pump flow rate calculator, hydraulic motor speed calculator by Magister Hydraulics. Jun 24, 2019 · Mechanical/hydraulic efficiency would be 91% (329 / 360 x 100 = 91%). The hydraulic motor torque calculator is a valuable tool that empowers engineers and technicians to make informed decisions, resulting in optimized system performance and longevity. All hydraulic fluid and air connections on same side. CAS SMART fluid control system. The cylinder section is in compliance with ISO 3320 May 24, 2024 · \(\text{HMD}\) is the Hydraulic Motor Displacement in cubic inches (\(in^3\)), \(P\) is the motor pressure in pounds per square inch (PSI), \(T\) is the motor torque in inch-pounds (in-lbs). How do you calculate hydraulic motor speed? To find the output speed of a hydraulic motor, use the hydaulic motor. Our displacement calculator is based on the Womack Fluid Power textbook. 6 106) where. 91 x 100 = 82%. Displacement Vg, sizes for powerpacks range from 0. efficiency Jun 17, 2022 · 3 Essential Hydraulic Calculators. A hydraulic motor rotates at 800 rpm to drive a load of 125 ft. We would like to show you a description here but the site won’t allow us. Hydraulic Pump and Motor Calculations. 05 = 5. Optimize power and efficiency in your hydraulic systems. The user can individually select formulas and add them to his favorites. Use our online hydraulic horsepower calculator to find the horsepower of the pumping motor. T = HP * 5252 / RPM. As an example of how to calculate hydraulic motor size to match an application, consider the following: an application calls for 5 hp at 3,000 rpm, with an available supply pressure of 3,000 psi, and a return line pressure of 100 psi; the pressure differential is 2,900 psi. So continuing with the above example, the overall efficiency of the pump is 0. Jan 22, 2024 · This article provides a comprehensive guide on using a Hydraulic Motor Torque Calculator. Let’s break down how this calculator simplifies the Pump Displacement Calculator. 81 m/s2) Ph = power (kW) q = flow capacity (m3/h) ρ = density of fluid (kg/m3) h = differential head (m) Thinkcalculator. A is the cross-sectional area of the hydraulic system in square inches (in²) or square centimeters (cm²). Disclaimer: For informational purposes only. 14 = rpm. V is the velocity of the fluid in inches per minute (in/min) or centimeters Jan 1, 2012 · Sizing hydraulic motors. 35 gpm Fluid Motor Speed from GPM Input: 1. This will allow you to calculate its displacement and flow requirements to specify the pump flow and pressure required to operate it. very quick way to start the hydraulic calculations is to use the following superficial velocities: •pumped water-like fluids: <1. Positive Displacement Pumps Introduction tutorial to positive displacement pumps basic operating principles. 5. g. Overall efficiency is simply the product of volumetric and mechanical/hydraulic efficiency. For a hydraulic motor with a torque of 500 in-lbs and a pressure of 1000 PSI, the hydraulic motor displacement would be: Hydraulex is a family of Attica Hydraulic Exchange, Flint Hydrostatics, Hydraulic Repair and Design and Metaris Hydraulics. Feb 15, 2018 · Horsepower and Speed. (D: inside diameter of pipe in mm) Berendsen Fluid Power provides a range of the most common hydraulic formulas for easy reference. May 26, 2009 · Hydraulic Horse Power is a measure of the energy per unit of time that is being expended across the bit nozzles. This web application does hydraulic calculation for a pump and estimates differential head, hydraulic power, motor power, NPSH available. However, we cannot assume any responsibility for errors. Cubic Centimetre CC. Variety of calculators for hydraulic cylinders and hydraulic pumps. Then, use the following formula to calculate the appropriate motor size: hp x 3. gf ar by va pf hq em jm vb br