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xcel
07-13-2006, 08:04 AM
For 'hybrid hackers' selling plug-in kits for the Prius, high gas prices add up to a big opportunity. (http://money.cnn.com/magazines/business2/business2_archive/2006/07/01/8380233/index.htm)

David Kushner - Business 2.0 - July 13, 2006

http://www.cleanmpg.com/photos/data/501/Plugin_Prius.jpg
EnergyCS' Prius II PHEV using Valance Li-Ion’s.

Rising gas prices and booming sales of the Toyota Prius mean a big opportunity for Pete Nortman. A year and a half ago, the Monrovia, Calif., engineer hacked his Prius by replacing the battery with a lithium-ion version and adding a system that plugs into an ordinary 110-volt socket.

After charging in the garage overnight, the souped-up Prius gets about 100 miles per gallon - roughly twice what a regular Prius gets at best. "This is just the beginning," Nortman says.

Now EDrive, the startup Nortman co-founded, and Hymotion, a competitor based outside Toronto, are set to turn such tinkering into cash. They're the first two companies to market PHEV (plug-in hybrid electric vehicle) kits for Prius drivers.

The EDrive kit will debut by December with a price of $12,000, installation included. Hymotion's kit, also due later this year, will cost $12,500, a figure that co-founder Ricardo Bazzarella plans to drop to $6,500 by this time next year. He estimates profit margins of 20 to 25 percent and says the success of his business hinges on public awareness.

In that, the hybrid hackers get an assist from nonprofits like Palo Alto-based California Cars Initiative. The group holds public PHEV demos and predicts a market for as many as 100,000 plug-in vehicles (260,000 Priuses have been sold in the United States).

"The goal is to make carmakers build these cars," says the group's founder, Felix Kramer. Toyota's response: "We admire the entrepreneurial spirit of the people making conversions," says spokeswoman Cindy Knight. "This is something we're seriously investigating ourselves."

hobbit
07-13-2006, 02:48 PM
I am *so* tired of hearing about these people over and over.
Despite having a very nice conversation at TdS a year ago with Greg
Hansen, who also appears in "who killed the electric car", Edrive
and Hymotion both provide pretty much NO information on what they
do to convince the car to be happy, and none of their kits are
anywhere near a reachable price point, and yet they keep showing
up and showing up in the news, and one of the first questions I
keep getting about my own car is "have you added extra batteries
yet?" ... I've read the entire archives of the CalCars forum,
which clearly shows how they sold out to EDrive and at that point,
any hope of further following the engineering process ceased.
.
Sorry, the whole affair has so far left a really bad taste in
my mouth. Stuff like this needs to be *accessible* to the common
modder/enthusiast, especially if you're going to use the word
"hack" anywhere in descriptive text -- almost like the stuff
was downloadable open-source, but nothing could be farther from it.
.
_H*

xcel
07-13-2006, 04:01 PM
Hi Hobbit:

___I am not impressed with the EDrive/Hymotion setups even though they are trying to put something very unique together. It is Toyota’s MG1 RPM limitation that throws the whole discussion of Prius II PHEV’s in the garbage. What most do not understand is the Prius II is worth > 80 mpg from maybe 25 on up to 40 mph steady state without mods! Throw in some P&G and it goes up even higher … Adding an EV button and maintaining < 36 mph is great for these conversions but who can stay below that speed for very long on a daily basis? Until Toyota opens up MG1 via gear reduction or other methods, 100 + mpg PHEV’s are an impractical solution for anyone considering big $’s for the large Li-Ion pack and install into their own Prius II’s.

___You have read about Krousdb coming up with a higher voltage aux battery to spoof the Prius II into pulling from the pack vs. ICE much more of the time, right? I think that is the solution he came up with anyway??? You may have to head back into the YaHoo_Prius_Tech forum maybe 2 or 3 years to find Dan’s discussions about whatever he came up with? He passed on his thoughts to Wayne Brown who ran with it in his own as well. I am not sure if Felix used this info to build a CalCar’s PHEV prototype or not but I can bet EDrive and Hymotion are using this same design in their own conversions. Didn’t you tell me about a PHEV’er losing his OEM pack because of a bad Aux pack possibly? Another item to consider before laying out $10K + on top of a relatively expensive Prius II :(

___IIRC, Dan was not impressed with his own results using a smallish Pb-Acid solution and I believe Wayne was concerned with lubrication after many miles of EV. I have no idea what EDrive or Hymotion have done to address that last issue if they even bothered with it? Toyota patented an electric lube oil pump(s) design for future use so I have a feeling as to where they are headed ;)

___About the limited Prius II PHEV details, I have seen the same … Just trying to come up with pics of the car and opened up pic of the pack on the net is like pulling teeth let alone any of the details.

___I do believe PHEV’s are the next solution before we see Interstate worthy EV’s again but once the price of Li-Ion packs come down to levels discussed in the article above, why bother with the ICE and its Mechanical/Electrical HW/SW interface at all?

___Good Luck

___Wayne



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