Recent content by biotect

OK, that's clear. Perhaps all that I really need to do is contact Wrightspeed, and ask them to give me a number for the efficiency of their "GTR" -- their geared traction drive. See http://www.wrightspeed.com/technology/ . So that I might sound "technical" and like an inquiring engineer...

Hi amberwolf, Interesting simulator. But in a sense my question is much simpler than that. I am just looking for a single percentage number for "drivetrain inefficiency" that I can plug into a web-calculator used to calculate a vehicle's Power Requirement -- see...

Brief addition, Again, I really know nothing about electric drivetrains, although I am a transportation designer. I am on the "aesthetic" ends of things, and professionally I focus on interiors. So all that I am really looking for, is for someone to make an "informed guess". It can be very...

Hi, I am new to the forum. I have two questions about electric drivetrain efficiency loss: (1) FIRST SCENARIO: Imagine a Wrightspeed drivetrain. A 300 KW battery pack sends electricity through wires to an inverter, which powers the 250 HP hub electric motor; but the motor also has a...