Hello Darryl.
I think they need for that trip is to choose a biodiesel ready for low
temperatures like the used by jet planes, a "winterized" fuel prior it
is used in Antartica; that proccess is to expose fuel to freezing
temperatures equivalent to artantic conditions, give time to cristalize
and after that, pass it throught a filter the fuel to be used by
vehicles to avoid a thick mass of partly frozen biodiesel. The fraction
of longer carbon saturated fatty acid methyl esther will be separated by
cristalization and filtration and use only the liquid fraction.
Best Regards.
Juan Bóveda
El 24/04/2015 12:50, Darryl McMahon escribió:
http://www.greencarreports.com/news/1097982_plug-in-hybrid-hummers-headed-for-the-south-pole-on-biodiesel
[My son has a personal connection with these vehicles and the team
which built them. The original prototype battery pack and chargers
are scattered through my garage just now, awaiting new uses.
images in on-line article]
Plug-In Hybrid HUMMERs Headed For The South Pole On Biodiesel
Stephen Edelstein
Apr 24, 2015
If you were going to drive to the South Pole, what vehicle would you
choose?
There's a team gearing up right now to undertake that very
adventure--using a pair of plug-in hybrid Hummers.
The mission is called Zero South, signifying the group's goal of being
the first to reach the South Pole without using any fossil fuels.
And the team's choice of vehicle wasn't an accident.
The "intentional irony" of converting a Hummer into a plug-in hybrid
had a certain appeal, according to a Zero South statement.
Zero South hopes to promote awareness of environmental issues, and
believes electrified Hummers will make excellent conversation starters.
"We shall draft a symbol of military defense for the front lines of
environmental defense," expedition organizer Nick Baggarly declared.
There's a practical element to the choice of vehicle, too.
To tackle Antarctic ice and snow, the Zero South team needed a vehicle
with a wide track.
Each Hummer is equipped with a 3.2-liter six-cylinder turbodiesel
engine that will run on biofuel during the expedition.
There's also an electric motor for each axle, retaining the Hummer's
four-wheel drive capability.
Electricity is supplied by a 24-kilowatt-hour lithium-ion battery
pack, mounted in an insulated battery box to maintain consistent
temperature.
Green powertrains weren't the only modifications made to the pair of
Hummers.
The expedition vehicles features reinforced drivetrain and suspension
components, as well as upgrades allowing them to operate in
temperatures as low as -60 degress Fahrenheit.
Then there are those tank treads.
They're supplied by a company called Mattracks, which sells them as an
aftermarket add-on for Hummers and other SUVs and trucks.
On road tires, the plug-in Hummers are capable of an estimated 32
miles of electric range, although Zero South hasn't yet determined how
far they'll be able to go on the tracks.
It's also unclear where they would recharge while traversing Antarctica.
One of the vehicles is designated to tow a modified Airstream trailer,
nicknamed the "Snowstream."
The entire journey is expected to span 1,200 miles; if successful,
Zero South says its vehicles will be the first hybrids driven to the
South Pole.
The group plans to document its journey on camera, and produce a
10-episode television miniseries and feature-length film for maximum
exposure of their proposed exploit.
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