lewisriverred wrote:
Is it normal for one of the brushes to be missing its spring?
c5tiger wrote:William, the chair does not have a servo or anything else to steer, it uses difference in wheel speed to steer. To turn left the front left wheel slows down and the front right speeds up causing the front wheels to turn left. The rear tires also change speed in a turn to match ground speed to keep from disturbing carpet and rugs in the house if you were to ever use it inside. All this works fine going forwards but very poorly in reverse.
(1) Is your battery charger going to a higher voltage than it should? From memory only, highest voltage during charge should be something like 29.4V for AGM, lower for gel. During float (last part of the charge cycle) it should be 28.8V (AGM), 28.2 (gel, though most chargers still use higher for gel to speed things up at the cost of reduced life). Maybe the problem is the charger.
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