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The Forum => Other Topics => Topic started by: dratts on December 21, 2013, 11:26:34 AM

Title: Tesla model S donor?
Post by: dratts on December 21, 2013, 11:26:34 AM
I'm seeing them listed for salvage already.  Shorten them up 10" and they are nearly a perfect fit.  Wait a while and we can have an all wheel drive by using the model X.  I have an extra G28 interior and I'm thinking of getting another G28 for an electric version.  It would be too much for me though and we all know how hard it is to find a good trustworthy builder.
Title: Re: Tesla model S donor?
Post by: BigPines on December 21, 2013, 01:00:53 PM
Funny you mention this because the thought crossed my mind as well. I think it is a really cool idea but there are some problems. The main one is that the battery is located on the bottom of the vehicle. If the vehicle was shortened, you would likely have to find a way to shorten the battery as well. Those battery packs are not serviceable and if you opened them up, you would find a messy fire suppressant gel to contend with. So, you would probably have to build your own battery pack which could be done but it is no small feat. They basically use lots of notebook/laptop batteries wired together but I'm sure there are some additional electronics there too. No matter how you did it, you would undoubtedly lose some range. It wouldn't be a 500HP beast either. ;) Then again, at over 300HP, the base model is no slouch.

Again, cool idea. I'd love to see someone do it.
Title: Re: Tesla model S donor?
Post by: dratts on December 21, 2013, 02:03:50 PM
I've been guessing about the battery pack.  They were originally offered with 40,60, and 85kwh battery packs.  All the same wheelbase and they are offering battery swap capabilities, so I'm guessing that it is a battery compartment that fits three different size batteries.  That leaves me thinking that 10" might be easy to remove, losing the 85kwh battery option.  There is a guy who is putting a strtched VW Vanagon on an S chassis.  I'm going to have a look at how he's doing.
Title: Re: Tesla model S donor?
Post by: BigPines on December 21, 2013, 02:08:53 PM
You may be right about different length battery packs. We are really talking about an 11.6" reduction in length though - basically a foot. I'd be interested to hear anything you find out.

The interior would be problematic too. The Tesla's have a large integrated touchscreen which is crucial to a lot of key functionality in the car. You wouldn't be able to do an OEM interior but as long as you made it look nice, I don't think that is a really big deal. I mean, nobody is going to think it is a real electric Murci anyway. May as well make it it's own and not worry about the OEM look.
Title: Re: Tesla model S donor?
Post by: Tusabes on December 22, 2013, 12:01:15 AM
Sounds like the thing to do is contact a tesla mechanic and ask if there's fewer batteries and room for shortening the box in the 40kw version
Title: Re: Tesla model S donor?
Post by: dratts on December 22, 2013, 04:51:48 PM
It looks like a service manual or a wiring diagram are very hard or impossible to get.  For now I'm just going to keep an eye on them.  Mechanically the chassis looks like a real good match, but the electronics might be the deal killer.  It looks like either Tesla doesn't have a good service manual or they're afraid of giving out their secrets.
Title: Re: Tesla model S donor?
Post by: SchulzeA on December 22, 2013, 11:57:17 PM
Not releasing detailed information also forces owners to have the car worked on by Tesla technicians.
Title: Re: Tesla model S donor?
Post by: dratts on December 23, 2013, 10:47:32 AM
you might be a little bit cynical!  Elon has done some fantastic things.  The only place I don't get him is his desire to go to mars.  It takes 8 months to get there and when you arrive it is not as hospitable as the worst part of our planet.
Not releasing detailed information also forces owners to have the car worked on by Tesla technicians.
Title: Re: Tesla model S donor?
Post by: LP640 on December 23, 2013, 10:56:21 AM
is this actually a realistic project?
 there are plenty of other donors available, and you can even convert the fiero to electric for a couple thousand. I myself If I were to do another project it would prolly be on a mr2. just me..
Title: Re: Tesla model S donor?
Post by: BigPines on December 23, 2013, 11:08:07 AM
Realistic? It is expensive and has some unique challenges but anything is possible. Either way it is fun to talk about.

An electric converted Fiero isn't anything like a Tesla Model S. No offense but isn't that a lot like saying a Pinto had an internal combustion engine so it is just as capable as a Corvette? ;)
Title: Re: Tesla model S donor?
Post by: dratts on December 23, 2013, 11:12:57 AM
I don't know how realistic it is at this point, but just take a look at the model S chassis.  I don't know how hard the electrics/electronics part will be, but the chassis is awesome.  I've been for a ride in the roadster and it would give my turbo ls4 Murci a run for the money.  I've been the top bidder on eBay dozens of times without reaching the reserve price.  I think that the roadster is such a breakout technology and so limited in production that it will probably be worth it as a collectable.  The next generation roadster will be even better though and that is what I am basicly proposing to build. With a Lambo body. attached photos are of the model s convertible.
is this actually a realistic project?
 there are plenty of other donors available, and you can even convert the fiero to electric for a couple thousand. I myself If I were to do another project it would prolly be on a mr2. just me..

Title: Re: Tesla model S donor?
Post by: SchulzeA on December 23, 2013, 11:51:46 AM
you might be a little bit cynical!  Elon has done some fantastic things.  The only place I don't get him is his desire to go to mars.  It takes 8 months to get there and when you arrive it is not as hospitable as the worst part of our planet.
Not releasing detailed information also forces owners to have the car worked on by Tesla technicians.
Well, men are from Mars. Personally I'd rather go to Venus where the women are! :)
Title: Re: Tesla model S donor?
Post by: LP640 on December 24, 2013, 12:09:00 PM
Model S are to drive guys lol
I was behind one yesterday in LA and I never got to realize what a beautiful car it is, nice lines, low to the ground,very sporty , very nice car. Wouldnt take it over a fisker tho ;)
Title: Re: Tesla model S donor?
Post by: BigPines on December 24, 2013, 07:25:12 PM
Lambos aren't to drive? ::scratch

Mine will be. :D
Title: Re: Tesla model S donor?
Post by: Graeme Stebbing on January 06, 2014, 12:32:51 AM
lp640, it looks like progress is being made to sort the Fiero handling issues, these guys seem to know what they are about.
http://www.fiero.nl/forum/Forum2/HTML/117227-2.html (http://www.fiero.nl/forum/Forum2/HTML/117227-2.html)
Title: Re: Tesla model S donor?
Post by: dratts on January 14, 2014, 07:10:56 PM
model s chassis.   See why I want one under a murci body?  Shorten it ten inches and add 1/2" spacers for the front track then bolt the body on.  (sorta, I have a G28 roadster and I know that there's a lot more to it), but what an awesome rolling chassis/drivetrain.










 My first attempt to attach a picture and I thought that it didn't work, but then I logged in and there it was.
Title: Re: Tesla model S donor?
Post by: dratts on January 24, 2014, 09:51:14 PM
My first bid on a salvage model s failed.  I bid $10,000 and was outbid by $3,000.  I think that I might have been lucky.  It had obvious front suspension damage.  At the very least a broken tie rod.  The battery pack might have been damaged too because it was listed as biohazard.  Battery thing is huge.  I'm going to wait for the next gen roadster.  It will be built on a version of the model s chassis and they expect it to be way less expensive than the current roadster.  Probably for a lot less than I could build an electric Aventador and anyway I already have my Murci.
Title: Re: Tesla model S donor?
Post by: Tusabes on January 24, 2014, 09:55:06 PM
You need to get one that was in a rollover
Title: Re: Tesla model S donor?
Post by: dratts on January 24, 2014, 09:58:41 PM
This one looked like it was in a roll over.  Not much left to part out for $ either except for the interior.  The salvaged ones seem to be going for sale in the $30,000 range.  I would have to get a mechanically sound one for a lot less to make it work for me.  The guy who is putting one under a stretched vanagon paid close to $40,000 for his salvage model s.  Oh well,  I had fun rolling the concept around my head for a while.
Title: Re: Tesla model S donor?
Post by: 01Lambiero on January 25, 2014, 10:59:50 AM
How are you going to hide those drive motors in the rear?
Title: Re: Tesla model S donor?
Post by: dratts on January 25, 2014, 01:55:28 PM
What looks like two drive motors in the model s is actually only one.  The one on the passenger side is an inverter.  I'm pretty much out of the salvage tesla buying mode, but if I were to go that way it wouldn't have a cover over the motor and it would have the tesla interior to avoid electrical problems.  My ls4 Murci doesn't have an engine cover over it either.  I don't apologize to anyone for having a turbo ls4 in my replica.
Title: Re: Tesla model S donor?
Post by: Digibeam on January 25, 2014, 02:58:29 PM
Do those rear struts really sit that high?  i know they would drop with the body etc. but wow they are really tall...
Title: Re: Tesla model S donor?
Post by: dratts on January 25, 2014, 05:09:40 PM
 the strut height and the wheelbase are the two mechanical issues that I see.  I would imagine that the strut thing can be solved.  The wheelbase involves the battery and I still haven't been able to find  detailed  information on the insides of that battery.  I was thinking of an Aventador body which would require a battery that is 10" shorter.  They come in 40kw, 60kw, and 85kw.  All in the same battery compartment.  I believe that they use coolant so that would mean fluid inside.  The other thing to do would be to put a body on it that matches the wheel base.  Or better yet get one of the guys who designs and builds bodies to do one for a stock model s.  I guess that I still like to build one even if it's just in my head.  That skateboard chassis just looks like a clean slate for a body designer.  So far though the salvage ones are going for about $35,000 or I'd still be onboard.
Title: Re: Tesla model S donor?
Post by: Digibeam on January 25, 2014, 06:34:07 PM
what about designing something around what they have... which was all laptop batteries if i recall...  and build to suit?
Title: Re: Tesla model S donor?
Post by: dratts on January 25, 2014, 10:39:18 PM
found some pictures of the inside.  See why I'm leery of cutting one open?
Title: Re: Tesla model S donor?
Post by: Digibeam on January 26, 2014, 12:06:43 AM
hmmm thats interesting,  we use the same type of battery format with our solar panels and Led lighting systems.
its based on the early Edison battery,  you can make them in your kitchen and everything is bio-degradable.