I would like to get some recommendations on retrofitting a single person trike, about 80 pounds and capable of carrying around 300 pounds with an inexpensive 24 to 36 volt dc motor and controller. Probably about the same as you would put on an electric go kart or a mountain bike. I am considering the YK43B controller and the MOT-106141 36v motor. Any help would be greatly appreciated. I don't need it to go very fast. . Just fast enough to get around in a campground. Thanks…
Thanks for the reply. The trike has 26" tires and I would like to be able to go around 10 or 15 mph for about 5 to 7 miles. The only thing I want to make sure of is not over currenting the controller to the point of failure.Thanks for the help...
We can design a system that will not over current the controller. So I can choose the right parts could you please let me know if the bike will be used exclusively on flat ground, used on flat ground and to occasionally go up light grades, or used on flat ground and to occasionally go up steep grades?
Flat ground and occasionally light grades.
I ran some gear ratio calculations for your electric tricycle project and found a good motor and sprocket combination for a 14.23 MPH top speed. Here is the calculation.
This gear ratio calculation is based on using our 24 Volt 450 Watt electric bicycle gear motor item # MOT-24450G which has a 9 tooth sprocket, along with a 27 tooth freewheel sprocket for the axle or drive wheel. We have a 27 tooth freewheel sprocket available with 1.375 x 24 left or right hand threads and we also have adapters to mount this freewheel onto a 14mm, 15mm, 16.9mm (for Schwinn Meridian), 17mm, 18mm, 20mm, 1/2", 5/8", 3/4", 7/8", or 1" axle. These sprockets use standard 1/2" x 1/8" bicycle chain which we can include with the kit.
For a 7 mile range on flat ground with occasionally light grades a battery pack consisting of two 12 Volt 15 Amp hour batteries should have plenty of capacity for the job. A 24 Volt 1.6 Amp battery charger is recommended for this size battery pack. A 24 Volt 500 Watt speed controller such as our item # SPD-24500B is a great match to the 24 Volt 450 Watt gear motor.
For a throttle I recommend using one with a built in key switch and battery meter such as our item # THR-105K. With this throttle no switch will will need to be mounted onto the bike so the kit will be very easy to install.
Drive sprocket choices:
Axle adapter choices (all axle adapters work with right hand thread freewheels):
The only thing I need to know in order to make the kit is what type of drive sprocket and or axle adapter configuration you need, and if all of the other parts I recommended sound good to you or if you would like any substitutions made?