Building a Better Wheelchair

[_paralyzed_]

Originally Posted by Fast5sRevo88

Control is also on the top of the list, it can't be a 2-speed; 1st speed is stop and 2nd speed being "OH CRAP, SO FAST MY EYES R BLEEDING! My powerchair has such fine-tuned control that i leave it on it's full power setting all the time. I can creep, go full-tilt,and everything in between all on the full power setting.

all of that programming is in the controller. There are 2 or 3 manufacturers of controllers(joysticks) that all of the wheelchair manufacturers share. The sophistication and complexity of the controller will be very hard to meet, and for the controller the chair should use existing parts. The controllers can control top speed, braking speed, joystick sensitivity, joystick throw, acceleration, turning speed, turning acceleration, reverse speed, torque, more I forgot and have 5-6 different programmable drive profiles, along with being able to control several peripherals, such as tilt, recline, elevate.... unless we can do better!!!!!!!!

How many amps can a stock powerchair controller handle? Also, is a powerchairs speed restricted from the controller or the gear motors on them. I mean the best motors money can buy would still only get u to 7.5mph if the controller is what constricts it.

I've been looking, but haven't found a BL esc that can handle 150amp@48v that would go with the huge HC outrunner, not a cheaper one anyway.

[_paralyzed_]

Originally Posted by Fast5sRevo88

How many amps can a stock powerchair controller handle? Also, is a powerchairs speed restricted from the controller or the gear motors on them. I mean the best motors money can buy would still only get u to 7.5mph if the controller is what constricts it.

My controller is a 100 amp unit. We are pretty much stuck with 24v, unless there is a 24v battery the size of a standard car battery. The gearing and motor choice determine the top speed. 24 at 100 amps could double the power we have now, the x-5 tdc linked to states 900w of power. We could easily get 1800w, and with the increased efficiency of brushless we are looking good........ especially with a 2 speed!.....