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@  Mike T : (01 July 2015 - 06:36 PM) LOL
@  Mike T : (01 July 2015 - 06:36 PM) oops make that fogs
@  Mike T : (01 July 2015 - 06:36 PM) It's totally weird and you will have to cut the wiring. You are right not to use the OE smart fags, they are utter trash and the reflector melts after ten hours of use.
@  Surturiel : (01 July 2015 - 06:07 PM) question: (as usual) what kind of connector does the 450 fog light uses? I want to put an aftermarket fog light and don't want to cut the original wiring...
@  Mike T : (01 July 2015 - 10:13 AM) Good Canada Day eh?
@  Surturiel : (01 July 2015 - 10:08 AM) happy canada day!
@  SmartED : (01 July 2015 - 01:34 AM) Happy Canada Day everyone
@  Surturiel : (30 June 2015 - 09:14 PM) opinion: are those 3 to 5 stud adapters safe? I want a set of 16", but they're both hard to find and expensive...
@  Mike T : (30 June 2015 - 08:39 PM) *Jodhpur, damn fat fingers
@  Mike T : (30 June 2015 - 08:38 PM) *bolt
@  Mike T : (30 June 2015 - 08:38 PM) Take 'em off and three are three bold holes plus a large round one. Best to think of them as Jodphurs
@  Surturiel : (30 June 2015 - 07:57 PM) question: is there a way to remove those hip inserts?
@  FlossyTheSmart : (30 June 2015 - 05:14 AM) And that's without mentioning that compared to many cars, there were very few 450s made, and it's now 8 years out of production
@  FlossyTheSmart : (30 June 2015 - 05:12 AM) Well, I think you'll find it difficult to find ANY seat covers for a 450. There aren't a lot of offerings around
@  Surturiel : (29 June 2015 - 09:25 PM) on this topic, why is SO DAMN HARD to find leather seat covers for 450?
@  Surturiel : (29 June 2015 - 09:24 PM) sorry!
@  Mike T : (29 June 2015 - 09:19 PM) nor is it a leather seat!
@  Surturiel : (29 June 2015 - 07:52 PM) leather seat
@  Mike T : (29 June 2015 - 02:00 PM) This is not a search box!
@  mowser : (29 June 2015 - 11:42 AM) resetting the service reminder
@  mowser : (29 June 2015 - 09:53 AM) 299891
@  LeoBarbosa : (22 June 2015 - 06:03 PM) Just a feedback, the rear struts were really easy to do. Thanks for the tips. Payed $120 for both sides, at the dealership, in Calgary, AB.
@  LeoBarbosa : (19 June 2015 - 07:08 AM) I ordered them on Wednesday. Will try as soon as they arrive. Thanks!
@  stickman007 : (19 June 2015 - 05:36 AM) There is a small spring clip on each end of the ball joint...just pop it off and it should slide out
@  LeoBarbosa : (18 June 2015 - 09:32 AM) Any idea how to replace the rear window struts? Any video?

Photo
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Electric car with "on board" generator


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17 replies to this topic

#1 smart65

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Posted 03 August 2011 - 04:21 PM

I thoought that this might be an interesting discussion to kick off here.How big would a portable 120/240v generator have to be to supply enough continuous energy run an electric car? I'm visualizing one mounted on a small trailer and plugged into the battery's charge circuit. Somewhat similar to a diesel-electric locomotive, where the internal combustion engine generates electricity to run the electric motors which propel the vehicle. It would increase the range of the car, but the fuel economy wouldn't likely be very spectacular. Whatever became of the fuel cell? That would be a natural, if it were developed to the level the original hype promised. Feel free to add your thoughts on this subject.
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#2 Francesco

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Posted 03 August 2011 - 04:55 PM

Consider that a high-efficiency electric motor running of lithium-ion batteries (think: Tesla) operates at perhaps 88% efficiency. A modern, four-stroke internal-combustion engine in a car operates at roughly 18% efficiency. In other words, you would have to supply roughly five times the input energy potential to a combustion engine just to get the electric drive train to run.

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#3 Mike T

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Posted 03 August 2011 - 05:24 PM

Overall efficiency will be far lower than if the ICE powered the car directly (ICE loss plus electric loss).....and the ICE used will probably pollute far more than a road legal car engine would, so it's a double hit against air quality and global efficiency. Far better to buy a new Volt if this is the way you want to go.

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#4 Graham

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Posted 03 August 2011 - 06:55 PM

Overall efficiency will be far lower than if the ICE powered the car directly (ICE loss plus electric loss).....and the ICE used will probably pollute far more than a road legal car engine would, so it's a double hit against air quality and global efficiency. Far better to buy a new Volt if this is the way you want to go.

The efficiency of an ICE dedicated to a generator would likely be higher than that for one powering the car directly. It would be run at an optimum rpm to maximize efficiency. But there is no question that there are losses. The Jaguar C-X75 uses this principle, but uses gas turbines instead of an ICE to drive the generators that charge the batteries. Such a car can run on batteries when emissions are a problem, but extend range by running the generators when on the open road.
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#5 Henry

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Posted 04 August 2011 - 03:10 PM

This has already been achieved in the Fisker Karma. http://www.fiskerautomotive.com/#!/kar...ions/powertrain This is quite comparable to the tesla but more refined. Alan

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#6 Francesco

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Posted 04 August 2011 - 04:47 PM

Wouldn't the on-sale-now Chevy Volt be the standard bearer in the plug-in hybrid segment, beating the Karma to market by a full six months? The Tesla Roadster and Model S are fully-electric vehicles. But calling the Karma more refined than the Model S is a stretch, since the Karma just began deliveries, and uses a Chevy Cobalt SS engine to charge an A123 Systems battery pack that is considered inferior to those made by Tesla. The electric motors are off-the-shelf units as well, unlike the custom Tesla units.

Francesco

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#7 gordo.bernard

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Posted 04 August 2011 - 05:48 PM

I think this has been well researched by corporations and shade tree mechanics as well. http://blogs.wsj.com...e-electric-car/ http://evmaine.org/h...v_trailers.html

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Edited by gordo.bernard, 04 August 2011 - 05:52 PM.


#8 Henry

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Posted 04 August 2011 - 07:43 PM

Wouldn't the on-sale-now Chevy Volt be the standard bearer in the plug-in hybrid segment, beating the Karma to market by a full six months? The Tesla Roadster and Model S are fully-electric vehicles. But calling the Karma more refined than the Model S is a stretch, since the Karma just began deliveries, and uses a Chevy Cobalt SS engine to charge an A123 Systems battery pack that is considered inferior to those made by Tesla. The electric motors are off-the-shelf units as well, unlike the custom Tesla units.

Sorry the model S is a giant leap forward from the roadster, take my comments with a grain of salt for I have never driven either one. I was however under the impression that the volt only charged by plug and that the conventional internal combustion engine propelled the car after the batteries were depleted but did not recharge the batteries. Alan

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#9 swl

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Posted 05 August 2011 - 07:47 AM

This has already been achieved in the Fisker Karma. http://www.fiskerautomotive.com/#!/kar...ions/powertrain This is quite comparable to the tesla but more refined. Alan

Nice car! To be exact though it is more like a luxury Volt than a Tesla - The Tesla is is a Plug-In EV - Fiskar has an onboard motor/generator for extended range. It will be interesting to see which manufacturer woes the buyers. The cars look very similar. Wikipedia notes that Fisker was fired as the designer of the Tesla S for 'substandard work'. Tesla tried to sue him because he incorporated the best of the Tesla S design into the Kharma. Odd to think of Tesla as the establish vendor and Fisker as the upstart! It seems that the smaller more agile companies are bringing better designs to market faster and with less investments than the big three. Will Tesla be the new GM? Interesting times ahead.

#10 tolsen

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Posted 05 August 2011 - 12:21 PM

Toyota Rav4EV with Rav Long Ranger Hybridizing Trailer.

#11 gordo.bernard

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Posted 06 August 2011 - 06:20 AM

Why would the wheels on it steer?

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#12 tolsen

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Posted 06 August 2011 - 06:45 AM

Why would the wheels on it steer?

Because the trailer is not visible to driver due to its small size perhaps?
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#13 Graham

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Posted 06 August 2011 - 03:52 PM

As an aside, Toyota announced that they will build the new all-electric RAV here in Ontario. It apparently uses the Tesla power train and will have a range of about 160km (without trailer!)It would be great if the EVs were supplied with a portable generator that could provide enough charge if batteries run out. If it could give you another say 20km, it would save a tow-truck fee!
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#14 Francesco

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Posted 06 August 2011 - 04:14 PM

I thought it was being built at the former NUMMI (Toyota/GM) plant in Fremont, CA (now known as the Tesla Motors Factory) by Tesla.

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#15 gordo.bernard

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Posted 06 August 2011 - 04:45 PM

Because the trailer is not visible to driver due to its small size perhaps?
Posted Image



It still doesn't make sense yet. He has a lens to see the trailer.

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#16 RedDog

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Posted 06 August 2011 - 05:25 PM

The article linked above mentions this:

The micro trailer incorporates intelligent "BackTracker" steering which automatically maintains trailer-to-vehicle alignment during backing to avoid jack-knifing.


Edited by RedDog, 06 August 2011 - 05:26 PM.

I'd rather be dragging a club than clubbing in drag

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#17 tolsen

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Posted 06 August 2011 - 10:40 PM

It still doesn't make sense yet. He has a lens to see the trailer.

Reversing a short trailer is particularly difficult, even for those with experience.

#18 Graham

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Posted 07 August 2011 - 11:37 AM

I thought it was being built at the former NUMMI (Toyota/GM) plant in Fremont, CA (now known as the Tesla Motors Factory) by Tesla.

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