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Post by fredvv44 on Mar 18, 2013 9:50:45 GMT -5
My design will result in a scrub radius of 2.3 inches. the ATV spindles are so small and the offset of my wheels so great that it compensates for the incorrect king pin inclination angle. From what I'm reading, a positive scrub radius is actually desirable up to a point for parking and low speed maneuvers. OK, it will act like a swing axle. see: herald-tips-tricks.wikidot.com/rear-suspension:jacking-and-tuck-underI cannot say yours will do this since it will be in the front. good luck, Fred V |
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tryota
Junior Member
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Post by tryota on Mar 18, 2013 22:28:35 GMT -5
looks like you have a great start , keep the pictures comming and the progress of it looks great.
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Post by hydrojim on Mar 24, 2013 10:02:30 GMT -5
I thinking of possibly taking this trike to the direction of electric drive. Here is why I'm thinking so:
The cost to make it electric with a range of 30 miles on lead acid batteries would be under $1500.
But, I wouldn't have to spend the money on a motorcycle and I wouldn't have to worry about fabricating(read $) on the exhaust, clutch, shifter, fuel injection conversion, etc.
I'm not too excited about the range, but to be honest, this project is for fun, not for road trips. Plus, it can be easily upgraded later(or even upgraded to Lithium batteries) I'd probably be much more happy zipping around town with electric direct drive instead of trying to shift gears in an underpowered vehicle.
I'm still weighing my options, so we'll see how it goes.
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Post by Liteway on Mar 24, 2013 16:05:34 GMT -5
Yep, that's the fun of it Hydrojim, you can go in any direction.
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Jun 28, 2013 22:56:30 GMT -5
and with the right gearbox implementation you can even go in reverse!
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Post by fredvv44 on Jun 29, 2013 7:41:01 GMT -5
I may depend on the wheel size. It may be possible to mount a car rim on the scooter wheel center. Some guys get a car rim, cut out the center and make a new center and weld it in that will fit the scooter hub. It will take some thought and experimentation.
Fred V.
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Post by 1983JZR3W on Jun 29, 2013 12:42:16 GMT -5
My JZR has a Honda CX motorcycle inner hub with a Citroen rim on the rear and I am running 155SRx15 Firestone car tires all around. The front wheels are 15x4.5 MGTD wires.
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Post by DaveJ98092 on Jun 29, 2013 19:40:11 GMT -5
You can have a wheel manufacture make a rim and drill it for spokes to match a motorcycle spoke hub.
Mags are a bit different as it must be machined and then welded. Stockton wheel in Stockton CA did some for a buddy back in the late 80's for a 1100cc Goldwing. They cut a wheel with a flange on the center that got riveted to the Goldwings "Star" hub. He also had to widen the swing-arm a lot.
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Post by Giovanni LiCalsi on Dec 25, 2013 2:28:45 GMT -5
I thinking of possibly taking this trike to the direction of electric drive. Here is why I'm thinking so: The cost to make it electric with a range of 30 miles on lead acid batteries would be under $1500. But, I wouldn't have to spend the money on a motorcycle and I wouldn't have to worry about fabricating(read $) on the exhaust, clutch, shifter, fuel injection conversion, etc. I'm not too excited about the range, but to be honest, this project is for fun, not for road trips. Plus, it can be easily upgraded later(or even upgraded to Lithium batteries) I'd probably be much more happy zipping around town with electric direct drive instead of trying to shift gears in an underpowered vehicle. I'm still weighing my options, so we'll see how it goes. I'm planning to use two 15kw DC brushless motors on the front wheel drive, 15kw 100volt lithium polymer battery pack. The controller is a fully PC programmable Sevcon Gen4. It will cruise at 65mph with a 100 mile range.   |
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