![]() ![]() ![]() When it comes to powering your trolling motor, it is important to select a deep cycle battery, also known as a marine battery. This is a medium pitch angle, that aims to incorporate equal parts acceleration and top speed. Then you try it at a 45 degree angle, the paddle pushes some water, but also wants to travel diagonally through the water. So you try again at a 90 degree angle, this is a high pitch angle, with the full flat part of the blade pushing the boat forward. This is similar to a low pitch angle, you wouldn’t get very far using this method. Think of pulling a paddle through the water with the edge of the blade forward, there is little resistance as the blade easily slices or cuts through the water. This can be related easily to a oar or paddle. The lower the prop pitch is, the quicker acceleration you have as the prop cuts through the water more efficiently, but lower top speed you will achieve. Increased pitch will result in a greater top speed, but it will lower the maximum RPMs. One key measurement on a propeller is pitch pitch is measured by the distance in inches the propeller would travel or spin through a solid after one full revolution. There is more to propellers than many people realize, and computer modeling is rapidly furthering their development. It’s because of this limitation that electric trolling motors will not be able to perform like a gas outboard. Different pound thrust motors with equal RPMs will achieve an identical top speed, this is because RPMs are limited by the amount of Volts which are applied to the speed coil. Defined as the number of rotations around a fixed axis, knowing the maximum RPMs allows you calculate you the max speed it can achieve. Electric motors differ from gasoline motors, however one measurement that can be applied to each type is Revolutions Per Minute, or RPMs. horsepower comparison guide.Ī common misconception about trolling motors is that increasing thrust will increase the top speed of a motor, unfortunately, this is not the case. To read more about this topic, check out our thrust vs. ![]() Therefore, the estimated output of our NV 55lb is. So, our NV 55lb draws 624 watts at full speed, divided by 746 watts, gives us. Take the watts you calculated and divide it by 746 Watts (1 HP). We can convert this into watts by multiplying amps drawn with how many volts your battery produces (12V for one battery, 24 for two, etc.).Įxample: The NV 55lb thrust motor draws 52 amps at full speed and uses one 12V battery. Most manufactures provide you with the amps a motor uses at full speed. To estimate the horsepower of an electric motor, you need to know the watts used by the motor at its fastest speed. Each is measuring different things, therefore they cannot be compared at face value. Trolling motors are measured in pounds of thrust, a static (unmoving) force, while gasoline powered engines are measured in horsepower, one HP is 550 ft-pound of work per second. Or, you could be paid for how far you transport something, this is the distance component of work. Example, you can be paid hourly for your time, you can be paid for the amount of effort (force) you expend, per vehicle you repair. On the other hand, power or horsepower is a measurement of work, how do you measure work? Work has three components: force, distance, and time. Horsepower and pounds of thrust are entirely different ways to measure force thrust is the amount of force APPLIED to an object, example, when I sit on a table, I exert 170lbs of downward force on that table. There is a common misconception among boaters that pounds of thrust is directly related to horsepower, unfortunately, it’s not that simple. ![]()
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