[ausev] Motorcycles?

[jtp]

Micheal,   Sorry about the "spam" in the subject line.  I'm not sure if the
last letter got to you. (I accidently deleted several unread letters and
clicked a response to one).

Engine compartments regularly reach 250 degrees.  Many batteries have
insulator blankets or plastic covers.  These extend the functional life 30
percent.  The only heat factor which remains relevant then,  is your rate of
charge.   The more heat (faster rate of charge), the greater the reduction
of endlife.   Installing heat sensors or other devices which can monitor
heat values, discharge, and battery state of charge conditions might be
worth considering, given the level of difficulty and permanence here.
  However,  initial,  pre-installation  bench-test studies of each battery
may be highly appropriate.  Performing various types of charges and
discharges while at the same time using an infrared thermometer to check
cell temps during the charge phases, and recording them.   It may be useful
to contact the manufacturer to try to get nominal data about expected
recharge thermal characteristics.   Then, you could perform a set of quality
control tests in order to find any batteries which may not be up to
standard, and request replacement.
  If recharge heat-up temps are consistent within OEM norms, (orig. equip.
manuf, Ford) values, then you may not need to be concerned about extra
cooling of some sort.  Otherwise, it may be a good idea to get
recommendations from the battery manufacturer about possibly some additional
active or passive cooling.
  Another idea which has come to mind is some sort of redesign of the
battery cradle.   What I thought of is some sort of very heavy duty hinge
arrangement on one side.  The driver's side may be hinged in order to more
easily hydraulically jack down the passenger side.  But a set of
reinforcements going lengthwise may be in order to prevent the tray from
warping and bending during drop and lift of the tray on the passenger side.
Also, since you would be dealing with about 950 pounds (half the weight),
yet somewhat more safely hinged, it may actually be feasible to install
jacks that are interconnected hydraulically.
 Also, there are very tall "scissors" jacks from RV parts outlets that may
be the right answer here, which may give the finest amount of regulated
control.  They could be "paired up" with a single driven rod in order to
evenly let down and put up the pack.  Generally, they are rated at about
1500 pounds apiece, and can travel 18 to 24 inches, and do not weigh much.
Dan Petit.



" <mringer at austin.rr.com>
To: "'AustinEV News Announcements and General Discussion'"
<ausev at austinev.org>
Sent: Tuesday, August 08, 2006 8:50 PM
Subject: Re: [ausev] Motorcycles?


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> -----Original Message-----
> From: ausev-bounces at austinev.org [mailto:ausev-bounces at austinev.org] On
> Behalf Of max schotz
> Sent: Tuesday, August 08, 2006 9:38 PM
> To: AustinEV News Announcements and General Discussion
> Subject: Re: [ausev] Motorcycles?
>
> there are electric mopeds for sale right now. They
> might not be quite what you are looking for, though. I
> just dropped by texas e rider today. It is a retailer
> of electric mopeds. I personally loved them. But the
> limitations are that they can go 30 miles per hour,
> and can go 40 miles on a single charge. The great
> thing about them is that you can charge them 100
> percent in 3 hours, and 80 percent in 1. Im sure you
> could convert a motorcycle.
>
> --- mringer at austin.rr.com wrote:
>
> > So, even though I'm not building anything anytime
> > soon, I was wondering,
> > is it possible to do an electric Ninja? Or some
> > other motorcycle?
> >
> > Thanks,
> >
> > Michael Ringer
> > Administrative Manager
> > GCE, Inc
> > 512-528-0908
> > 512-528-9293 FAX
> > Your Passport to education and employment
> > Member of NACES
> >  <http://www.naces.org> http://www.naces.org
> >
> >
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