Toyota Rav4 EV Forum

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 Post subject: trailer pusher
PostPosted: Sun Mar 22, 2015 6:25 pm 
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Joined: Thu Dec 27, 2012 10:55 pm
Posts: 606
At yesterday's EV meeting in Santa Ana was a rav4ev owner that drove all the way from Utah using a trailer pusher.

He got about 22 miles per gallon on his way up here doing 55mph
The trailer has no battery
The power for the ignition is inserted through the lights.
So turn it on, he puts in gear, starts dragging it against compression,
turns on his lights and vroom, instant push.
As soon as he applies his breaks it is switched off again.
throttle is in fixed position about 80% open.

One picture to give an idea:
Image

All pictures can be found here:
http://www2.dth.net/cars/trailerpusher/beetlebased/

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 Post subject: Re: trailer pusher
PostPosted: Sun Mar 22, 2015 10:13 pm 
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Joined: Sat Sep 21, 2013 3:44 pm
Posts: 278
Location: SF Bay Area
Dirty, inefficient, unsafe,.......

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 Post subject: Re: trailer pusher
PostPosted: Sun Mar 22, 2015 10:23 pm 
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4EVEREV wrote:
Dirty, inefficient, unsafe,.......

But if you have to come all the way from utah for warranty repairs and you don't have ChadeMo installed, I think it is a workable solution.
I would have done it a "bit different" , I agree with that.
I think the owner also isn't done with the design yet, he just needed to improvise to make it to california.
He succeeded in that.

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 Post subject: Re: trailer pusher
PostPosted: Mon Mar 23, 2015 12:58 am 
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Joined: Mon Feb 24, 2014 8:51 pm
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I would be embarrassed to use that dinosaur. :|


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 Post subject: Re: trailer pusher
PostPosted: Mon Mar 23, 2015 4:40 pm 
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Joined: Wed Aug 13, 2014 8:30 pm
Posts: 279
Location: San Diego Co
Pretty innovative. It's interesting to see other people's ideas. Since you can't charge while driving I suppose that is a better option than towing a generator, where you would need to stop to charge.

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 Post subject: Re: trailer pusher
PostPosted: Mon Mar 23, 2015 5:18 pm 
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Posts: 606
dstjohn99 wrote:
Pretty innovative. It's interesting to see other people's ideas.

Thank you! I agree.
This is the most simple setup to make long travel possible with an EV
It is not :
-nice looking
-safe (imho)
-nice looking

but it gets the job done and I really like the simplicity of the setup.
I always wondered about the push with an angle thing, but with the long wheel base
of this construction, this is _a_ way to get around that.

It certainly made me smile and found it interesting enough to share.


Quote:
Since you can't charge while driving I suppose that is a better option than towing a generator, where you would need to stop to charge.

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 Post subject: Re: trailer pusher
PostPosted: Mon Mar 23, 2015 8:06 pm 
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Joined: Sat Apr 19, 2014 12:57 am
Posts: 91
Location: SF Bay Area, Danville, CA
If I have to transport my RAV4 very far, I'll rent a car tow dolly and tow it with my truck. BTW I drove my truck yesterday for the first time since New Years...Getting it ready for a trip.

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 Post subject: Re: trailer pusher
PostPosted: Mon Mar 23, 2015 11:10 pm 
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Joined: Mon Feb 24, 2014 8:51 pm
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Innovative? Like bungee cords holding down the plastic portable fuel tanks?
Does the trailer have proper registration and insurance?
How about at least putting a catalytic converter on the exhaust.


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 Post subject: Re: trailer pusher
PostPosted: Wed Mar 25, 2015 6:56 am 
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Location: Seal Beach, CA
This is awesome! Obviously this isn't a ready-for-retail product, but it's an incredibly resourceful and ingenious solution to the EV roadtrip problem. In an ideal world, I imagine something like this but enclosed in an aerodynamic package with some storage space, or maybe even as a full camper trailer! Many people roadtrip with camper or storage trailers for all the extra junk you're bringing anyway, so why not one with an engine for those of us with EVs?

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 Post subject: Re: trailer pusher
PostPosted: Wed Mar 25, 2015 3:01 pm 
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Joined: Sat Sep 21, 2013 3:44 pm
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Location: SF Bay Area
fooljoe wrote:
This is awesome! Obviously this isn't a ready-for-retail product, but it's an incredibly resourceful and ingenious solution to the EV roadtrip problem. In an ideal world, I imagine something like this but enclosed in an aerodynamic package with some storage space, or maybe even as a full camper trailer! Many people roadtrip with camper or storage trailers for all the extra junk you're bringing anyway, so why not one with an engine for those of us with EVs?



It's not ingenious, no it has been done before. In an ideal world this would cost $20K plus. This would never be a marketable solution because if it were made to pass emissions it would be too costly and no company could offer it at price anyone would pay due to the liability costs alone.

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