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Messages 273 - 302 of 3556   Oldest  |  < Older  |  Newer >  |  Newest
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273
... It makes sense that starting with a warm block could save some energy, but I would imagine the amount to be quite small since ICE engines normally produce...
Jeff Chan
jeffreychan
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Dec 2, 2003
1:20 am
274
... I'd be carefull with that, many a EV guru has stated that a power supply is NOT a battery charger. They are entirely different. If you know a lot about...
d0li0
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Dec 3, 2003
6:44 am
275
... I agree with all of the above. A charger is usually designed for a specific chemistry and set to a specific pack size. It is possible to manually charge...
Jeff Chan
jeffreychan
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Dec 3, 2003
6:51 am
276
That's the reason why I don't want to fully recharge the NiMHs, and I will investigate a way of activating the BatEcu to monitor the recharging current and...
Richard Scheffenegger
realarms
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Dec 3, 2003
9:23 pm
277
A question as recently raised by Wayne about potential problems between the thermos sofware logic and the EV mode button logic. He seemed to point out that...
priusmaniac
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Dec 8, 2003
2:12 pm
278
I though it interesting to relate a message from another group made ... I believe Oshenski(??) at UC Davis managed to get 80 mph on a larger battery (ovonic??)...
priusmaniac
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Dec 9, 2003
2:27 pm
279
... Holy Cow! Professor Frank and his cohorts at U.C. Davis already did it! 25 mile pure electric pluggable first Generation Prius. And they did it...
Jeff Chan
jeffreychan
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Dec 10, 2003
9:01 am
280
I just found a universal "Front-End" power supply from Vicor on ebay. It's rated at 300 Vdc output, 750 W (with forced air cooling above 50°C) and universal...
Richard Scheffenegger
realarms
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Dec 10, 2003
9:55 am
281
... Note that they started with a **1998** (Japanese only) Prius. I believe that when it was officially imported to the US that power had come up ...
Yoder, Chris
ghostzephyr
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Dec 10, 2003
4:59 pm
282
... Yes, Jeff; it is exactly what we want to do. But it was made with an Ovonics battery. We don't know how to get that. We also need the advice from the ones...
priusmaniac
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Dec 10, 2003
5:01 pm
283
Oh, and one more thing, I don't trust *ANYTHING* that Ovonics says unless it's been triple-checked by a 3rd party. They've been known to stretch the truth a...
Yoder, Chris
ghostzephyr
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Dec 10, 2003
5:01 pm
284
... I consider a test by Frank and crew to be exactly that, third party testing in the real world as opposed to specifications and theory. Unfortunately any...
Jeff Chan
jeffreychan
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Dec 10, 2003
8:52 pm
285
I was under the impression that the 2004 Prius electric motor was not capable of highway speeds. Anyone know if this is the case? Jeff Chan...
Lee Dekker
heprv
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Dec 10, 2003
10:37 pm
286
... My understanding is that the electric motor in the 2004 Prius maxes out at about 45 MPH, but only with extremely gentle driving. Otherwise the gasoline...
Jeff Chan
jeffreychan
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Dec 10, 2003
11:07 pm
287
... Is that because the motor won't run any faster, (max rpm) or is that because at 45 MPH the draw (amps out) from the main pack is so high that the system...
Yoder, Chris
ghostzephyr
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Dec 11, 2003
12:57 am
288
... That's somewhat apples and oranges. They did it based on an earlier generation car, *and* one with nearly 200 lbs more battery. The added mass makes any...
Jeff Chan
jeffreychan
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Dec 11, 2003
1:01 am
289
... That 45 mph is the mph spec for the "Classic" Prius. Someone reported earlier this week on the 2004-Prius list that they ran out of gas and managed to get...
Linda
ez2bgrn
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Dec 11, 2003
1:37 am
290
I think there are (at least) 2 factors: 1. The PSD design requires that if the ICE is at 0 RPM, and the ground speed is 59 mph, MG2 is running at 3841 RPM,...
John Freeman
john_freeman15
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Dec 11, 2003
3:35 am
291
I agree with your saying. The motor power is limited by the battery pack. With 50 KW that is more then enough to go up slowly to highway speed and maintain it....
priusmaniac
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Dec 11, 2003
9:57 am
292
It is true that having two more batteries in the box under the boot floor would tend to reduce the acceleration capacity of the Prius. It would indeed add a...
priusmaniac
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Dec 11, 2003
2:07 pm
293
The crew was all Ovionics, only Dr. A. Frank supervised them... Richard ... Date: Wed, 10 Dec 2003 12:51:58 -0800 From: Jeff Chan <rav4-ev@...> ...
Richard Scheffenegger
realarms
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Dec 11, 2003
8:31 pm
294
It may be worth pointing out that when the gasoline engine runs, it too will have an extra 100 kg (actually more like 120 kg) to move. While it's probably...
Jeff Chan
jeffreychan
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Dec 11, 2003
9:16 pm
295
Hi Patrick et all! I'm more than willing to test all these hypothesis on making a Prius gridable, add a second (and even perhaps a third) NiMH pack and do some...
Richard Scheffenegger
realarms
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Dec 11, 2003
10:26 pm
296
Patrick, you are correct, assuming 1) the Prius motor control system, wiring, etc can handle the 102KW load (designed for 72KW), or can be reasonably modified...
John Freeman
john_freeman15
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Dec 11, 2003
11:24 pm
297
Please read Grahams website on that topic. Basically, the pure electric drive is limited by the small mg1 max rpm (6500 / 10000) which it reaches at 62 km/h...
Richard Scheffenegger
realarms
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Dec 11, 2003
11:54 pm
298
This idea of adding batteries to the Prius is probably worthy of continued exploration. Has anyone compiled a file of people who have tried or succeeded at...
Lee Dekker
heprv
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Dec 12, 2003
1:01 am
299
Do not, repeat, DO NOT use a generic benchtop power supply to charge your batteries. Get a properly designed battery charger that has customizable charging...
Jeff Chan
jeffreychan
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Dec 12, 2003
1:11 am
300
I did say that, among other things, the entire system has been optimized to do what it does currently very well. (BTW, pick up the print issue of MotorTrends...
Felix Kramer
felixkramery
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Dec 12, 2003
3:08 am
301
All the presentations from the Nov 15 event are now online for download. They're large but worth reading! ...
Felix Kramer
felixkramery
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Dec 12, 2003
3:08 am
302
... I think the manufacturers would probably object strenuously if they found out. It would be much better to do it quietly and without their knowledge....
Jeff Chan
jeffreychan
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Dec 12, 2003
8:19 am
Messages 273 - 302 of 3556   Oldest  |  < Older  |  Newer >  |  Newest
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