instead of adding dead weight to keep the low cg put more batt in and use a DC/DC converter to match pack voltage with the extras this way keeping motor /controller voltage the same but adding extra ah to your pack . Are you 156v 13x12 How many evercells could you get in that sparrow . EVTV would like video footage of your sparrow and what you are doing and would send you a copy of there latest program. e-mail me for details [EMAIL PROTECTED] ----- Original Message ----- From: "John G. Lussmyer" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, October 03, 2002 2:05 PM Subject: Re: SAFT NiCd's, or Evercell NiZi vs a Sparrow
> At 07:46 PM 10/2/2002 +0200, Tore Lund wrote: > >Li-ion batteries with lead or steel around them will get you the same > >Wh/pound as lead acid, if you aim for the same weight. You would pay $$$ > >for small improvements in range and your acceleration would be as good, or > >bad, as before. > > Actually, it looks like range improvement could be significant. > > >Lowering suspension and using stiffer springs would be much better, if > >possible. > >The most important mass in a small ev is you! so lowering you seat, or > >throw away the seat cushion, to to ride 4 or 5 inches lower will make a > >big difference. > >Not familiar with the Sparrow, I have however tried all three things on > >another smal 3 wheeler: It > > Yup, you aren't familiar with a Sparrow. The seat is a 2" thick pad over > the battery box cover. The suspension is already quite stiff - you feel > every bump on the road. It only has 5" or so of clearance now. (I have > trouble getting my floor jack under the center.) > > > -- > John G. Lussmyer mailto:[EMAIL PROTECTED] > Dragons soar and Tigers prowl while I dream.... http://www.CasaDelGato.com > >
