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Old 01-07-2013, 05:00 PM   #1 (permalink)
The type to cop a Range along with all the features
 
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Im starting this thread to doc the photos I have been taking of the restore on my 94 lwb.

And also has anybody ever considered putting a high performance electric motor (such as warp 13 or something better) ONTO the transfer case, only having a high and low speed? Cutting some weight from the absent transmission engine and all gasoline related components. Also adding the weight of, what are now lightweight prismatic cell batteries and a heavy but an extremely torquey electric motor. I can only imagine how sluggish it would b in hi range.

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Old 01-07-2013, 06:13 PM   #2 (permalink)
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That's not enough motor for a RRC.

Azure Dynamics had a couple of options that would have been a good fit, power wise, if the company hadn't gone bully up last year...

You're on to something, but there are many, many other options out there now with regard to EV motors and systems.
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Old 01-07-2013, 06:17 PM   #3 (permalink)
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Yeah it's still a lot of weight right...

Im going to do a lot of research tonight and see what is out there just for fun.

Although the RRC may not be the best platform for an EV conversion, it is for load of battery space, the most expensive component.
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Old 01-07-2013, 07:10 PM   #4 (permalink)
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This company makes some motors that PUNCH.

The YASA-750 has 750nM of torque which equates to 555 ft/lbs of torque, which would destroy the drivetrain.

The YASA-400 has 400nM of torque which equates to 295 ft/lbs of torque, which would be more like around the V8's torque.

Who knows how much money these motors are, they havent been released yet.

They also need insane nominal voltage
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Old 01-07-2013, 09:35 PM   #5 (permalink)
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Originally Posted by greenmountainski View Post
This company makes some motors that PUNCH.

The YASA-750 has 750nM of torque which equates to 555 ft/lbs of torque, which would destroy the drivetrain.

The YASA-400 has 400nM of torque which equates to 295 ft/lbs of torque, which would be more like around the V8's torque.

Who knows how much money these motors are, they havent been released yet.

They also need insane nominal voltage
It's true those electrics have more torque than the stock engine but you need to look at the torque going into the transfer case, as he was suggesting rrplacing the engine and transmission together with the electric motor. ni know the following numbers aren't accurate but, if the rover motor generates 250 ft lbs and based on a first gear multiplier of 4 that gives you a torque of 1000 ft lbs at yhe input of the transfer case.
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Old 01-07-2013, 10:19 PM   #6 (permalink)
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And also has anybody ever considered putting a high performance electric motor (such as warp 13 or something better) ONTO the transfer case, only having a high and low speed?

Nope, cant say I have.
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Old 01-08-2013, 06:23 AM   #7 (permalink)
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Over on D-90 there is a guy doing the electric converison to his Series IIA 109 pickup. He has made some progress so far and it's a pretty cool idea.
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Old 01-08-2013, 08:11 AM   #8 (permalink)
The type to cop a Range along with all the features
 
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Oops. Just made the pictures open to public sharing.
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Old 01-08-2013, 11:24 AM   #9 (permalink)
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A123 systems and Dow Kokam have some really nice prismatic cell batteries that are lightweight and the engine bay is a huge load space for a custom pack. Most EV's have the electric motor in place for the gas and the batteries on top in the engine bay, which does give you not nearly as much space as the RRC would with no engine in there. Having a Hi Lo range electric drivetrain almost makes 2 categories , High being for road and Low for being off road. Doing some research, I think you would need a 10kW plus motor to give the same power at the transfer case as the engine and tranny would. More voltage will give more speed
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Old 01-08-2013, 12:30 PM   #10 (permalink)
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Don't want to be a party pooper or anything because it is a really interesting idea but other than just to see if it can be done for doing it sake what would be the benifit of owning/using such a vehicle?
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Old 01-08-2013, 12:57 PM   #11 (permalink)
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Well, personally, for me, I live on Fishers Island, New York, there are no speed limits over 30mph and the island is only 7 miles long. I have been on and EV kick, I have an e-bike that does 50mph got 35-40 miles, and also an electric golf cart that I will be registering to drive on the roads here.
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Old 01-08-2013, 12:57 PM   #12 (permalink)
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Both of which can not off road on the beach!... which we have a lot of...
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Old 01-08-2013, 12:59 PM   #13 (permalink)
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I also am realizing how much money it is going to be to rebuild my 4.2, the performance engine shop I have it at says it needs new pistons, which for the 4.2 are a 100 bucks a piece
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Old 01-09-2013, 04:33 PM   #14 (permalink)
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Looks like Im having my guy knurl the pistons.
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Old 01-10-2013, 08:22 AM   #15 (permalink)
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Here is the link to the Series on D-90

63 Series IIA 109 PU Hybrid Hybrid - The Defender Source
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