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@  Mike T : (24 May 2015 - 08:46 PM) But it was cool to see JPM win the 500 again, it was a great drive
@  Mike T : (24 May 2015 - 06:31 PM) Monaco sucks at the best of times - this year it hit a new low
@  jwight : (24 May 2015 - 05:41 PM) Somehow the parade left Lewis Hamilton out...
@  Mike T : (24 May 2015 - 12:16 PM) Great Indy 500 today, in contrast with the dismal F1 Monaco parade.
@  smart65 : (21 May 2015 - 11:57 AM) Thanks
@  FlossyTheSmart : (21 May 2015 - 06:48 AM) You can now also click on the number of comments and it will take you to the shop page with the comments on it
@  FlossyTheSmart : (21 May 2015 - 06:36 AM) If you click on the shop name, it will take you to a page just for that shop, with the full details. I'll make the comment count a link to the page as well.
@  smart65 : (21 May 2015 - 06:28 AM) How can comments be accessed in Service Options?
@  Mike T : (20 May 2015 - 11:39 AM) PM sent of manual excerpt
@  Mike T : (20 May 2015 - 11:37 AM) It's in the owners manual all right
@  Huronlad : (20 May 2015 - 08:47 AM) There are numerous threads about the "three bars of death", make use of the forum search feature and do some reading.
@  1EGRBVR : (20 May 2015 - 06:39 AM) Thanks. I see nothing in the owners manual.
@  Mike T : (20 May 2015 - 06:31 AM) *Check
@  Mike T : (20 May 2015 - 06:31 AM) Gheck your owners manual, it is a gearbox fault.
@  1EGRBVR : (20 May 2015 - 06:07 AM) On the instrument cluster where the LED shows the gear you are in or A for Automatic, I am showing 3 vertical lines instead going across.  Has anyone else encountered this?   This happened after I changed the rear signal light.
@  Mike T : (19 May 2015 - 08:13 PM) Le Club 404 and some private sector guys in Europe are picking up on this big-time.
@  marchanna : (19 May 2015 - 04:38 PM) That makes good sense. Do you hope to get service parts made or custom built?
@  Mike T : (19 May 2015 - 03:07 PM) Strength in numbers....parts reproductions are more likely if we know there are 2000 or more coupes and cabriolets left...plus I have wanted to know this (how many are left) since 1977 when I first wanted to buy one.
@  marchanna : (19 May 2015 - 08:27 AM) Good stuff! Just out of curiosity, is there a practical purpose for the registry or is it just for fun?
@  Mike T : (18 May 2015 - 07:57 PM) Got some new 404s for the Registry, boo yeah!
@  marchanna : (18 May 2015 - 04:04 PM) Sup?
@  marchanna : (15 May 2015 - 04:06 AM) Haha. I just watched that skit last night.
@  FlossyTheSmart : (14 May 2015 - 05:59 AM) It's merely pining for the fjords right now
@  jwight : (14 May 2015 - 01:01 AM) That's too bad - hate to see the Mystery Run die out.
@  FlossyTheSmart : (13 May 2015 - 09:48 AM) I hadn't planned on organizing it this year. Noah had been planning on doing something I think, but he's no longer involved
@  marchanna : (12 May 2015 - 12:50 PM) Nope. It's a mystery.
@  stickman007 : (12 May 2015 - 09:41 AM) Any news on Mystery Run this year?
@  marchanna : (11 May 2015 - 02:07 PM) Nope. I had to tell the dealer I was having problems with it.
@  Francesco : (11 May 2015 - 06:03 AM) With a Star machine? Really? I find even just plugging/unplugging my ScanGauge stores CAN faults that the Star picks up.
@  marchanna : (11 May 2015 - 05:52 AM) On my ML320 I had a bad sensor and it didn't store any codes.

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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Some of extras on smart: tach & clock pods, heated seats, sound upgrade, underseat storage tray, electric P/S, softtouch, steelies & Blizzak winter tires, hand controls, MDC cruise control with W/W arm control, MDC armrest, front signal lights converted to Euro-style with original signal lights running as DRLs and front side lighting converted to act only as signal repeaters (now LED), Grundig 6 CD changer, MDC ultimate window package, Scangauge II, 3-spoke steering wheel with paddle shifters, Technine stage 2 remap.

#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.

Francesco

2006 fortwo cdi pulse cabrio phat red/silver|heated leather|PLUS|sound||mods OE cruise|Cabriotec heated glass rear window|custom red silicone cdi TIK|all-LED EU lamps front & rear|OE mud-flaps|colour-coded|garage opener|wiper nozzle|SGII|remap|spin-on oil filter|K&N air filter|RS grille|Painted smart Mods de Dion caps|Hella Micro DE fogs|MDC sucker|R1 Concepts brakes|TK's restrictor mod|LED angel eyes|stainless EGR delete|RS paddles|HEL braided brake lines|Bilstein B14 PSS coil-overs|PowerFlex bushings|Michalak 16" wheels||coming up Blindy|torque damper|Morimoto||


#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

2006 fortwo cdi pulse cabrio phat red/silver|heated leather|PLUS|sound||mods OE cruise|Cabriotec heated glass rear window|custom red silicone cdi TIK|all-LED EU lamps front & rear|OE mud-flaps|colour-coded|garage opener|wiper nozzle|SGII|remap|spin-on oil filter|K&N air filter|RS grille|Painted smart Mods de Dion caps|Hella Micro DE fogs|MDC sucker|R1 Concepts brakes|TK's restrictor mod|LED angel eyes|stainless EGR delete|RS paddles|HEL braided brake lines|Bilstein B14 PSS coil-overs|PowerFlex bushings|Michalak 16" wheels||coming up Blindy|torque damper|Morimoto||


#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.

http://wheels.blogs....not-california/
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