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General Automotive General automotive discussion. This is intended to be a discussion about other not VW and Diesel cars you may have or interested in.

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Old January 15th, 2020, 17:57   #1
1854sailor
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Talking Tesla Range Extender

Someone had to do it...

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Old January 15th, 2020, 18:18   #2
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Probably courtesy of the same Photoshop genius that grafted Trump's gourd onto the Rocky Balboa poster .
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Old January 15th, 2020, 20:08   #3
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This has been done for real, and I think it's actually a great idea. See Mr. Sharkey's EV Pusher trailer:


http://www.evalbum.com/304


He has an electric converted MK1 Rabbit, with a trailer made from the front end of an automatic MK1 Rabbit... by pushing it down the freeway, he can even recharge batteries in regen mode. I would have loved a trailer like that behind my e-Golf.
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Old January 15th, 2020, 20:28   #4
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As cool as that setup is, a pusher trailer seems sketchy as hell. Someone has to have made a lightweight, low profile genset trailer using a motorcycle engine or similar. Whether any of the factory made EV's actually allow you to charge on the go is another matter.

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Old January 15th, 2020, 20:52   #5
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Quote:
Originally Posted by turbobrick240 View Post
Whether any of the factory made EV's actually allow you to charge on the go is another matter.
An e-Golf will NOT let you move while a charger is connected to the power inlet port. I just want a battery pack on a trailer inside a Thule box that I can utilize like a rolling DC Fast Charger... Sure, dragging it along will decrease some range, but having more capacity and the ability to plug in anywhere I want to stop...
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Old January 16th, 2020, 08:08   #6
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A software feature that can probably be hacked by someone with knowhow...

Quote:
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An e-Golf will NOT let you move while a charger is connected to the power inlet port...
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Old January 16th, 2020, 10:20   #7
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Someone should post this on the tesla forum.
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Old January 16th, 2020, 12:35   #8
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That would undoubtedly prompt many jokes about VW testing out their latest clean diesel tech.
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Old January 16th, 2020, 23:40   #9
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What a cleaver idea! LOL. It will just add more weight.
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Old January 17th, 2020, 07:52   #10
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On RAGBRAI last year, I saw at least two trailers with solar panels being towed behind e-bikes. One man was riding from San Fransico to Buffalo, NY. He was helping to design the trailers for retail sales. Said this was his second one and was about 100 pounds lighter than the first.

My thoughts this morning was that if I had an e-truck, maybe I could mount the solar panels on the bedcover and have converter/battery storage in the bed. Might not be able to charge wile moving but it could be set up to charge during bio breaks. Other option is to mount the panels on the travel trailer and use that charge both for the tow vehicle and then camping that night.
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Old January 17th, 2020, 14:59   #11
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Solar panels will charge the accessory battery, they do squat for range extending. How far can you go on a couple KWH?
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Old January 17th, 2020, 16:27   #12
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Quote:
Originally Posted by where2 View Post
An e-Golf will NOT let you move while a charger is connected to the power inlet port.

I've gotta say, this feature is pretty important... more than once I tried to drive off in my e-Golf without realizing it was plugged in. I think the pusher trailer makes more sense than a generator, because it's likely to be used only for long distance freeway driving at steady speeds, and a generator would involve a huge efficiency cut vs a direct drive.


Instead of an automatic, I think a pusher trailer with a manual and an electric clutch actuator would work out, if left in the highest gear. Like electric bicycles, you don't need to downshift up hills with the electric boost.
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Old January 17th, 2020, 16:55   #13
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I think 1854sailor is right about somebody figuring out a hack to allow on the move charging. It is sure to get addressed by the manufacturers once range extenders are commonplace. I'd expect charging ports will be added at the rear of vehicles for that purpose.
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Old January 17th, 2020, 21:15   #14
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Quote:
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As cool as that setup is, a pusher trailer seems sketchy as hell.
That guy made that many many years ago, it has plenty of miles on it and he's had no issues. That guy is a master tinkerer!

In his FAQs there is a question, "What do the cops think about it? I don't know I haven't asked them."
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Old January 17th, 2020, 21:52   #15
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^Gotta respect the ingenuity. I still prefer having the drive wheels on a non-articulating chassis. I can see things get squirrelly pretty easily with a rig like that if not operated extremely carefully.
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