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[eyeinsky]

Rectifying 120vac gives you about 170vdc with some ripple if you use a capacitor.

Use a Square Wave inveter rectified to DC it is easier anyways less ripple and yes a Cap will filter most of it out. Output should be around 120VDC.

 

Jerry

[NanoMech]

There has to be a point where adding batteries becomes self defeating.  Ok so you could travel an extra 30 miles, but then it is going to take you 13 hours or something silly to recharge.  If i was going to be adding weight to the bike, id rather it was in the form of chargers. At least until Fast DC charging is commonplace.

Yes, but the formula for "self-defeating" varies among users. My DS is a toy for occasional rides through the Santa Cruz mountains, so recharge time is almost a non-issue. Range is the issue! I bought the power tank option, exchanging pillion pad riders for battery capacity, and hope I can enjoy a trip to Santa Cruz, and return, without recharging along the way. How far I an ride is farrrrrrrr more important than how long I recharge between rides.