Are the 500w and 750w the same motor? And...
- Thread starter Steve--
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AHicks
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- USA
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- Snow Bird - Summer S.E. Michigan, Winter Gulf Coast North Central Fl.
I agree you'll see more power/speed 36 vs. 48v. The bigger question will be how long it's able to do that without overheating. The true 750w will be able to handle that extra power much easier for a longer length of time than the 500 will.
One of the big factors when rating max motor wattage is it's ability to shed heat. The more heat it can shed, the higher the wattage rating.
There's also physical dimensions involved. In short, the bigger diameter motor or the wider, will win every time. If they are the same size, it's which is able to shed heat better.
One of the big factors when rating max motor wattage is it's ability to shed heat. The more heat it can shed, the higher the wattage rating.
There's also physical dimensions involved. In short, the bigger diameter motor or the wider, will win every time. If they are the same size, it's which is able to shed heat better.
Thanks for the responses everyone.
Part of the reason why I was curious about this in the first place is due to the fact that all Falco's hub drive motors, regardless of the wattage rating, are all exactly the same price. I've noticed this with other brands as well, so it made me assume that they're all likely the same, and that the wattage is just being determined by some sort of setting or something.
I know that it's safe to use a 48v battery with the 500w Falco motor, as kit can be ordered with either battery, and their literature states that it will work with either voltage. My question is just whether it will produce more power or not. Because it would certainly be possible to build a motor contained two separate sets of windings, one for each voltage level. Both this or some other type of limiting device could easily cause the motor to operate at 500w, regardless of what voltage you supplied it with.
So I guess that's more precisely what my question is. Because in the absence of those two possible limiting factors I mentioned, that means my 500w motor hasn't been producing 500w all this time with the 36v battery I've been using. But that would be odd though too, because the 36v battery is the standard battery that's offered with the 500w kit.
And yeah, I know heat is an issue. I've been wondering for a long time why they don't manufacture these hub drives with cooling fins. It would add only a trivial amount of both weight and friction.
Part of the reason why I was curious about this in the first place is due to the fact that all Falco's hub drive motors, regardless of the wattage rating, are all exactly the same price. I've noticed this with other brands as well, so it made me assume that they're all likely the same, and that the wattage is just being determined by some sort of setting or something.
I know that it's safe to use a 48v battery with the 500w Falco motor, as kit can be ordered with either battery, and their literature states that it will work with either voltage. My question is just whether it will produce more power or not. Because it would certainly be possible to build a motor contained two separate sets of windings, one for each voltage level. Both this or some other type of limiting device could easily cause the motor to operate at 500w, regardless of what voltage you supplied it with.
So I guess that's more precisely what my question is. Because in the absence of those two possible limiting factors I mentioned, that means my 500w motor hasn't been producing 500w all this time with the 36v battery I've been using. But that would be odd though too, because the 36v battery is the standard battery that's offered with the 500w kit.
And yeah, I know heat is an issue. I've been wondering for a long time why they don't manufacture these hub drives with cooling fins. It would add only a trivial amount of both weight and friction.
AHicks
Well-Known Member
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- USA
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- Snow Bird - Summer S.E. Michigan, Winter Gulf Coast North Central Fl.
Steve, you don't want to confuse a motor's actual wattage capacity (ability to dissipate heat) with the controller and battery's ability to feed it.
An example might be, leaving voltage out of it for a second, you can take a 500w motor and supply it with/allow 2000w to it and it's going to:
1. Have a LOT more power than if it were being fed just 500w.
2. Eventually heat up to the point you'll cook it.
ALL else being equal, the 48v motor will turn faster than a 36v motor.
In the case where a motor is being fed a restricted amount of power (to de-rate it or for any other reason), that's done within the controller.
An example might be, leaving voltage out of it for a second, you can take a 500w motor and supply it with/allow 2000w to it and it's going to:
1. Have a LOT more power than if it were being fed just 500w.
2. Eventually heat up to the point you'll cook it.
ALL else being equal, the 48v motor will turn faster than a 36v motor.
In the case where a motor is being fed a restricted amount of power (to de-rate it or for any other reason), that's done within the controller.
Snookguru101
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