Re: [PSUBS-MAILIST] Back to surface propulsion (generators)

[dinosnider666@spacemail.com]

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> an alternator (meaning an electromagnet generator and not a permanent magnet generator) is used in place of the old PMG because it can produce higher voltage and current at lower RPM
> bob
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Thanks, very helpful. (Liberal Arts...) 
If you know - what type of battery allows very high draw for short period- would good old car batteries work best? For start-on-hill in a bicyle.
D.
Could a dynahub-knockoff light generator in the hub already be good for/ be rebuilt to generate recharging power for a battery?
Thanks. I think the Shimanos are most cost-effective.
D.