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TdS Report #35: Team Profile: L3 Enigma


Rhonda Hill is with the L3 Team. I asked her to describe it. "It is an hybrid
electric, parallel, car. There is a 60 horsepower, 1.2 liter engine out of a
VW Lupo. The electric side is a 200 horsepower 150 kiloWatt AC motor from AC
Propulsion. Both couple through our custom-built transmission that lets both
provide power to the wheels."


The goal of the project was to create a solution to some of the transportation
problems we have that would prove functionality and deliver efficiency, but
would look good and would be fast and would be appealing. Most of the
components are off-the-shelf. The custom designed items were the transmission
and suspension.


"I was a master student at San Diego State College. I had done some
theoretical research into the application of a fuel cell as the auxiliary power
unit instead of the diesel engine." She then was away from the project for a
while but returned in December 2001. "Our control platform is Lab View running
on Windows XP. Since these are off-the-shelf solutions we are dealing with all
the problems that people are dealing with on their home computers; crashing and
stuff."


Lying on a table near by was a heavy cylinder, maybe 16 inches long, 12 inches
in diameter. "That is one of our two super capacitors from a Russian company
named Tavrima. 220 Volts, 2.3 Farads, 28 kilograms." It will be part of the
car to help with capturing energy from regenerative braking.
It should double the life of the batteries and improve acceleration.


"They would like to manufacture these for the sports car market someday."


Vehicle Name L3 Enigma
Vehicle Number 3
Category HYBRID ELECTRIC VEHICLES (HEV)
vehicle type category Hybrid electric
Team Name L3 Research/SDSU
Organization San Diego State University Foundation
City El Cajon
State CA
COUNTRY USA
www http://L3research.com
new this year? new team and car
Time to Build 3 years
part of school curriculum? Yes
Vehicle Manufacturer L3 research
Vehicle Model Year 2001
Vehicle Reg Car/Truck
Vehicle Type Class Light Duty (car, truck, van)
Vehicle Type Division Prototype
Vehicle Type Model Enigma
sale price $95,000
motor manufacturer AC Propulsion
motor type AC Induction
Energy Storage Manufacturer Hawker
Energy Storage System PbA
Batteries series
Battery Hawker/PbA
Battery 28 blocks/ series/ $2000
Battery 8700 Whrs/ 360 V/ 650 lbs
battery voltage 360 V
battery blocks 28 blocks
battery watt hrs 8700 Whrs
battery weight 650 lbs
battery cost $2000
control system manufacturer L3 Research / SDSU
control system type Proprietary
regenerative braking? Regen
charger capacity 30 kW
charger current 80 A
charger input voltage 400 V
charger manufacturer AC Propulsion
charger on board? On board
Plug Type 10-50P
Conversion Pre-Prod Prototype
body material Composite body
frame material Steel frame
Length both L: 14 ft/ 0 in
Width both W: 6 ft/ 6 in
Height both H: 5 ft/ 6 in
# seats 2
Weight pounds 2400 lbs
lbs of persons 300
lbs of cargo 100
brake front type Front Disc
brake rear type Rear Disc
Hybrid Architecture parallel
engine size 1.2 liters
fuel efficiency 80 mpg
fuel tank capacity 8 USG
fuel tank type Aluminum
Fuel Type Biodiesel
No of Passengers 1
number of tires 4
tire manufacturer BF Goodrich
tire type Radial
Range miles 600 miles
Program blurb The award-winning L3 Enigma sports car is a pre-
production prototype parallel hybrid electric
vehicle. Using the best off-the-shelf
technologies, the L3 team has built the first of
a new breed of "lean" muscle cars. Performance
meets economy in the L3 Enigma. See
http://www.L3Research.com for more.


- - - -
The complete set of Tour de Sol Reports for 2002 can be found at:
http://www.AutoAuditorium.com/TdS_Reports_2002
The complete set of past Tour de Sol Reports can be found at:
http://www.FovealSystems.com/Tour_de_Sol_Reports.html
- - - -
The above is Copyright 2002 by Michael H. Bianchi.
Permission to copy is granted provided the entire article is presented
without modification and this notice remains attached.
For other arrangements, contact me at +1-973-822-2024 .
- - - -
For more on the NESEA Tour de Sol, see the web page at
http://www.nesea.org
- - - -
Official NESEA Tour de Sol information is available from the sponsor,
the Northeast Sustainable Energy Association (NESEA) at
413 774-6051 , and 50 Miles Street, Greenfield, MA 01301 , and
[email protected] . All media enquiries should be addressed to ...
Jack Groh
Groh Associates
[email protected] email
401 732-1551 telephone
401 732-0547 fax
401 952-0886 cell/pager
 
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