Human Electric Trike Thesis

Design of an electrically assisted human powered trike

Installed drain brain

Posted by Bob Dold on Sunday, October 15, 2006 9:10 PM

Received the Drain Brain on Thursday and spent today installing it on the X1000 scooter. Installation requires splicing the shunt between the batteries and controller and hooking up a wheel sensor. The picture below shows the unit installed on the handlebars:


The drain brain displayes the speed, watts, battery voltage, and distance traveled. It also stores the maximum current drawn and maximum wattage. After using it for a couple charge cycles it can calculate the miles left on a charge. After a brief test, it confirmed the maximum current was limited to about 30 amps, this occured when accelerating up a slight grade.


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