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MetroMPG · 06-17-2008, 03:06 PM

Similar, but the old drum contactors in the EVs didn't typically use resistors except at the lowest setting (for creeping). They switched the batteries around eg. from 6v to 12v to 36... etc. Other than the creeping speed, it was all direct connection from the pack to the motor.

06-17-2008, 03:06 PM	#42 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,537 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 51.82 mpg (US) Thanks: 4,082 Thanked 6,986 Times in 3,616 Posts	Similar, but the old drum contactors in the EVs didn't typically use resistors except at the lowest setting (for creeping). They switched the batteries around eg. from 6v to 12v to 36... etc. Other than the creeping speed, it was all direct connection from the pack to the motor. __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget