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TdS Report #11: Team Profile: Woodstock


Ken Wells is a physics teacher at Saint Mark's School, a small private boarding
school in Southborough Massachusetts, who is the faculty advisor to their
Electric Vehicle Club. This high school project started about 2 years.
"Energy is a very intangible concept. Our school teaches physics in the
freshman year and I thought this would be an appropriate way to present
concepts like energy in, energy out, measurement, how much work gets done and
where did the rest of it go. What does efficiency really mean? I see the
project going on several more years on this vehicle platform, adding a
stationary photovoltaic array for charging and maybe wind power. Some of the
kids are talking about building a bio-diesel conversion next year. It has
already succeeded in firing imaginations and getting them thinking about
energy." They have been experimenting with tires and air pressure and no-
tailgate. "Kids look at these things and decide which configuration is best."
The truck has been driven about 1000 miles on it.


Ken has been teaching about 20 years and cars and electrics runs in the family.
"My father is the director at the Boyertown (Pennsylvania) Museum of Historic
Vehicles which has the largest collection of electric vehicles in the United
States." http://www.BoyertownMuseum.org "The museum is one of the sponsors and
arranged all our transportation."


While most of the students involved are looking towards engineering schools
next. For example a student who describes herself as a classicist has done the
public relations. She organized the contest that named the 5000 pound truck
Woodstock, after the little yellow bird in the Peanuts cartoons. (Three
guesses as to the color of the truck.) "It's screaming electric truck yellow."


The school is about 325 students, 50/50 by gender, from about 20 countries.
"The idea for the project started in late night conversations with a student
from Hong Kong." Other projects have been things like magnetic levatators and
a table-top accelerator.


Vehicle Name Woodstock
Vehicle Number 56
Category BATTERY ELECTRIC VEHICLES (BEV)
vehicle type category PbA
Team Name St. Mark's EV Club
Organization St. Mark's School Electric Vehicle Club
City Southborough
State MA
www http://www.StMarksSchool.org
Who Built club
part of school curriculum? No
Vehicle Manufacturer Ford
Vehicle Model Year 1994
Vehicle Reg Car/Truck
Vehicle Type Class Light Duty (car, truck, van)
Vehicle Type Division Prototype
Vehicle Type Model Ranger 4x4
motor kW continuous 25 kW
motor kW peak 86 kW
motor manufacturer Advanced DC Motors FB1-4001 A
motor type Series Wound
Energy Storage Manufacturer Trojan
Energy Storage System PbA
Batteries series
Battery Trojan/PbA/T145
Battery 24 blocks/ series/ $2400
Battery 23000 Whrs/ 144 V/ 1700 lbs
battery voltage 144 V
battery blocks 24 blocks
battery watt hrs 23000 Whrs
battery weight 1700 lbs
battery cost $2400
control system manufacturer DCP
control system type Raptor 600
regenerative braking? Non-regen
charger capacity 3 kW
charger current 30 A
charger input voltage 120 V
charger manufacturer Russco
charger on board? On board
charger type Trans/rectif
Plug Type 5-30P
Conversion Conversion
body material Steel body
frame material Steel frame
Length both L: 16 ft/ 8 in
Width both W: 6 ft/ 0 in
Height both H: 5 ft/ 6 in
# seats 2
Weight pounds 4090 lbs
Mfg GVW 4840 lbs
lbs of persons 180
lbs of cargo 390
brake front type Front Disc
brake rear type Rear Drum
No of Passengers 2
number of tires 4
tire manufacturer Goodyear
tire model P215 R 75-15
tire type Radial
Range miles 70 miles
Program blurb The St. Markers who helped build our EV in their
free time are a coed group of physics students,
alums and friends, drawn together by interest in
our environmental future, the application of
appropriate technology and enthusiasm for project-
based education. "Woodstock" is a bright yellow,
recycled 1994 Ford Ranger pickup truck. Special
features include an extensively modified 4X2
drivetrain, recharging from any 120 V outlet,
high ground clearance, a limited slip axle and
electronic anti-lock brakes.


- - - -
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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