Search found 103 matches

by bobc
Tue Mar 25, 2008 6:15 pm
Forum: All things battery related
Topic: Battery Choices
Replies: 19
Views: 11000

The lithium phosphate batteries look very nice but the price is horrendous! I just looked on the "lifebatt" page where 12V at 10Ah comes in at a princely £204... Thats around 20 (twenty) times the cost per joule of lead acid. Do we expect economies of scale to close this gap much in the...
by bobc
Sun Mar 09, 2008 7:49 pm
Forum: Events
Topic: March 29th North West Meet
Replies: 27
Views: 22686

I'll be trying to get to this. I could maybe involve the greenpower racing team I help out - perhaps borrow one of the cars, 'cos my kitten is still a heap of rusty junk...... (actually finished my re-made front wishbones - painted 'em today..)
by bobc
Wed Dec 26, 2007 8:42 pm
Forum: General
Replies: 9
Views: 6945

Hi Stuart, Sounds similar to my target spec. Because I'm a drives engineer, I'm approaching it in a slightly unusual way & going for induction motor. So I'm using a local guy to rewind a standard industrial TEFC motor with ~1/5 as many turns to get me down to a reasonable voltage, anyway that wi...

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