Browsing All Posts filed under »BatteryPacks«


July 10, 2011


It’s time to show you guys what we’re working on. We’ve changed the DiffTrike a little bit, put a new seat back that is more comfortable and robust.

The braking problem – energy analysis

September 26, 2008


I’ve been just talking about regenerative braking for too long. It’s time to define the requirements. When trying to dimension ultracapacitors or batteries for regen braking, we have to take into account the energy and power of the braking in it’s worst case: from top speed down to zero, and in the shortest time possible. […]

Redoing the highway math

May 29, 2008


I haven’t had the time or the patience to repeat the roll-down test again. However, I found an old picture file I took out of the Web a few years ago that has all the measures of my car, and, most importantly, it has a perfect frontal area projection! 🙂 With a little help from […]