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@  KurtMan : (30 September 2014 - 12:49 PM) It was in fact the PY21 bulb that was burnt, the Canadian Tire associate insisted his computer system was correct and gave me 7528 bulbs. So I will return the bulbs and educate him when I return ��
@  stickman007 : (29 September 2014 - 02:29 PM) I bought a set of triple square from Mac Tools...the only one I ever use was 8mm for the CV
@  Francesco : (29 September 2014 - 09:16 AM) Yeah, ok. Buddy brought over his wife's 2000 Beetle TDI for a detail and I wanted to adjust the doors, but the strikers and hinges both had triple square bolts.
@  dmoonen : (29 September 2014 - 09:01 AM) Had to buy a couple sets for working on my vw's, basicly bbs rims, axels and a outher parts require them including the injector pump on the ALH's. I don't think there's a single one on the smarts that I recall mostly torx, etorx and standard sockets.
@  dmoonen : (29 September 2014 - 08:59 AM) VW need them but smarts no so much
@  Francesco : (29 September 2014 - 08:41 AM) I never noticed, does the 450 use any triple-square bolts? Does the 451? The set will be handy for when I work on Dubs, but was wondering about smarts, too.
@  Francesco : (28 September 2014 - 09:38 PM) The turn signal bulb? Or the bulb that would normally go in the empty BA15s socket below the top brake lamp? The TS is PY21W or P21W, while the one in the empty socket is R5W (207), a 5 Watt bulb. Note than on Canadian 450s that socket isn't connected to any power or earth.
@  KurtMan : (28 September 2014 - 06:00 PM) Thanks guys, I forgot to say it's a 450.
@  FlossyTheSmart : (28 September 2014 - 05:37 PM) WHich is a yellow bulb, despite being behind a red lens
@  FlossyTheSmart : (28 September 2014 - 05:36 PM) Oh, missed the lower break light correction. I think that is a PY21W
@  FlossyTheSmart : (28 September 2014 - 05:32 PM) I want to say P21W - I was just changing bulbs on my cabrio yesterday and it's actually on the plastic casing what bulbs are meant to go there - that's what I remember. I'm sure Evilution will have it there somewhere too.
@  marchanna : (28 September 2014 - 03:07 PM) I'm not sure if 450's are the same
@  marchanna : (28 September 2014 - 03:07 PM) On 451 models it's a 7528
@  marchanna : (28 September 2014 - 03:03 PM) What year?
@  KurtMan : (28 September 2014 - 02:52 PM) *I should specify lower break light.
@  KurtMan : (28 September 2014 - 02:48 PM) Does anyone know what the bulb type is in the lower part of a cabrio tail light?
@  amr530711 : (27 September 2014 - 02:16 PM) it's got a hard short on the black cable running from the positive post to the rear of the car - does that connect to the starter or to the alternator? This car seems to eat alternators, and the blackout happened at roughly the same time as the alternator would kick in, just a couple of seconds after moving forward.
@  stickman007 : (27 September 2014 - 01:52 PM) Check your connection at the battery terminals? I think somebody here in the forum had the battery cable melted once...
@  amr530711 : (27 September 2014 - 11:55 AM) hey everyone! I'm having a hard time with the new search, I'm looking for information about a total electrical failure. I started the car, drove about 50 feet, it bucked, the instrument cluster went out, back on, then completely off. and now I have no electrics at all. no four way flashers, can't roll up the window, car won't lock, absolutely nothing happens when I turn the key. Not sure what words to use in the search. any help would be appreciated
@  Francesco : (27 September 2014 - 07:10 AM) And a whole set of triple square bits off Amazon for $25. SnapOn rep said they're special order, and each bit is close to $30!!!

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.
Francesco

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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

2006 fortwo cdi pulse cabrio phat red/silver|heated leather|PLUS|sound|rack||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.
Francesco

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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.

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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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