Location:
Course start, midway and return to finish at the start with description
of topography and weather. Vehicle: Year, make and model with description
of the motor, controller and batteries. Average speed, fastest speed
|
In
July of 2009 Michael Thwaite and Madushini (Maddy) drove thier
2009 Tesla Roadster from coast to coast on the Renew America
Roadtrip. I followed them from Las Vegas to Barstow on a hot
sunny day a distance of 156 miles all up hill average speed
of about 60 miles an hour fastest 75 mph. The roadster is
powered by a 3-phase, 4-pole electric motor, producing a maximum
net power of 248 hp (185 kW). Maximum torque is 200 ft-lbf
(270 Nm), obtained at 0 rpm and almost constant up to 6,000
rpm. It has a 41KW per hour battery pack of 6,831 lithium
ion cells connected in series; each sheet contains 9 "bricks"
connected in series; each "brick" contains 69 cells
connected in parallel this type of lithium-ion cell found
in most laptop computer batteries. It's designed to prevent
catastrophic cell failures |
from propagating to adjacent cells, even when the cooling
system is off. Coolant is pumped continuously when the car
is running and when the car is turned off the coolant pump
draws 146 watts. The pack is
expected to retain 70% capacity after 5 years and 50,000 miles
of driving.
Tesla Inc. stated in February 2009 that the current replacement
cost of the battery pack is slightly under USD$36,000, with
an expected life span of 7 years/100,000 miles, Tesla is offering
owners an option to pre-purchase a battery replacement for
USD$12,000 today with the replacement to be delivered after
seven years. Tesla Motors provides a 3 year/36,000 mile warranty |
In 1985 Bill Kuehl drove his "73" Honda Civic conversion
over 100 miles on a single charge. It had a configuration you may
not see again; a 7" Prestolite motor and Russco controller
with 16x6 volt and 8x12 volt deep cycle lead acid batteries. The
6.3 mile course was set up on the streets of Santa Clara California.
Bill went 16 laps at an average speed of 25 mph and top speed of
35 mph. We are honored to have him join the club this day in Dec
2007; let the record show that he did it before any of the other
members.
April 28 2006; Charles
Whalen took first place! in the distance competition with his all
electric Rav4 at the Fort Pierce 8th Annual Electric Vehicle Rally
on a nice sunny day. During the 3 hour event Charles drove from
Fort Pierce to Okeechobee and back, a 70 mile trip, twice for a
total of 140 miles on a single charge, using approximately 20kwh
at a cost of about $2. His average speed was around 45 mph. Some
specs on his 2002 Toyota RAV4-EV SUV: it has a 27.36 kWh NiMH battery
pack consisting of 24 12V, 95Ah modules, all connected in series,
for a nominal pack voltage of 288V. It has an AC induction motor
and controller /inverter. It's a 67hp motor, rated 50kW peak, 20kW
continuous, and 190nm (140 ft-lbs) of torque.
In 2005 On a nice sunny day in May, Steve Clunn,
Drove 110 miles from Ft Pierce (elevation 5 ft.) to Okeechobee(elevation
29 ft) and back, then back to Ft Pierce and then back to Okeechobee,
he drove up hill twice. In a 1987 Mazda B2000 Pickup with a NetGain
9 inch motor and a Z1K-LV Zilla Controller , 25 deep cycle 6 volt
golf cart batteries with an extra pack of 25 in the bed. He averaged
about 45 mph with a top speed of about 50. The trip used 180 amp
hours, about $2 worth of electricity.
Steve is the President of Grassroots Electric Vehicles the founder
of the 100 mile on a charge club.
Invitations
http://www.austinev.org/evalbum/037.html |
|
Grassroots
Electric Vehicles
Fort Pierce, Florida
|
Grassroots
Electric Vehicles
Las Vegas, Nevada |
| Ph#:
772-971-0533 |
Ph#:
702-277-7544 |
|
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