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Thread: Daniel's EVPorsche 911 conversion

  1. #231
    P7971 - VIN:5130 - 3/2/13 jerry33's Avatar
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    Quote Originally Posted by daniel View Post
    Anyway, students can learn as much for working on a junk glider as from working on an expensive collector car,
    While true, they might be more motivated to learn on a more popular car.


    Quote Originally Posted by daniel View Post
    and would learn more building a car from scratch than tinkering with a completed car that only needs batteries.
    That's certainly true. Maybe you could part it out and donate the shell, then let them start from scratch.
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  2. #232
    Senior Member daniel's Avatar
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    For now, I'd rather try to make it drivable and enjoy it. This car, even the small amount I could get by selling it, is more than I feel like donating at the moment. I do donate to charitable causes. But this is a LOT of money.

    The whole donation idea came up at a time when I was so angry that I talked about having the car crushed. It was suggested that donating it would be preferable to crushing it. That's true, but I really just needed some cooling off time. Work is now resuming on fixing it.

  3. #233
    Roadster 919, S 2006 Doug_G's Avatar
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    How about getting the local high school auto shop students to take it on as a project? Could be a win-win...

  4. #234
    Senior Member daniel's Avatar
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    What I've got into this car, and its immaculate body condition, I don't want high-school kids messing with it. If you had a battery problem with your Roadster, would you ask the local high-school shop class to work on it, or would you want a Tesla ranger to work on it? This is going to sound prejudiced, but not all high-school students have the emotional maturity to treat this car with the kind of care it needs.

    If the local high school comes to the local EV club (of which I'm a member) and asks for help getting started with an EV conversion project, I'll make a donation. But I'll let someone else provide them with an immaculate Porsche to work on.

  5. #235
    Senior Member daniel's Avatar
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    Just thought I'd post an update:

    The motor has been rebalanced, but they are still reporting a vibration at high rpm. Gordy thinks it's possible that the drive shaft is very slightly bent, which could have happened if the motor was dropped. However, there are other possibilities as well, so, as much as I'd like to blame Paul, it's too early to assign a cause.

    At present Tim is checking the cells one by one, and will re-assemble the pack using whatever good cells remain. He says he'll be done in time to show the car at Plug-In Day, September 13. After that, I'll take the car back and drive it until the snow flies. Hopefully, it will be good for ten to twenty miles driving on the surface streets, and Tim thinks it will have good enough performance to be fun.

    After that I'll decide what comes next. Tim would like to put a whole new pack in it, at 160 volts (it's presently 144). I really need a girlfriend. Then I could justify owning two EVs. Otherwise, if I cannot bring myself to sell it at about $100K loss, I'll have a short-trip car that's really beautiful, and more comfortable than the Roadster.

    I drove the car for a very short time when it first arrived (with the pathetic 500 amp Curtis controller and numerous extremely disappointing defects) and for a couple of days after Gordy fixed the mechanical problems, before Tim started working on the battery pack. But in the 4 years since I bought it, I've never really been able to enjoy it.

    I'm looking forward to driving it without all the defects, and with decent power. I will be very disappointed if Tim cannot finish the battery re-configuration by the end of the month. In that case, I'd probably take it back, put it in storage for the winter, and consider donating it to some place far enough away that I could just forget about it altogether. (OTOH, if there's a nice woman who's willing to have me for a boyfriend, I'd have a new pack installed in the car and it could be her car. With a new pack we could probably give it an 80-mile range at freeway speed.)

  6. #236
    Senior Member JRP3's Avatar
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    I would think that when they had the motor apart to rebalance the armature they would have noticed a bent shaft. I know there was a batch of Warps that had a problem with throwing off the balancing putty.

  7. #237
    ERIC VFX vfx's Avatar
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    Quote Originally Posted by daniel View Post
    ... be done in time to show the car at Plug-In Day, September 13. ...
    Sept 23

    The world loves to be deceived.


  8. #238
    Senior Member daniel's Avatar
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    Quote Originally Posted by JRP3 View Post
    I would think that when they had the motor apart to rebalance the armature they would have noticed a bent shaft. I know there was a batch of Warps that had a problem with throwing off the balancing putty.
    If it is bent, it's a very tiny amount. They'll have to spin it on a micrometer to see.

    Quote Originally Posted by vfx View Post
    Sept 23
    Oops. You're right. Not sure if that was a typo or a brain fart. I'm quite capable of both.

  9. #239
    Senior Member JRP3's Avatar
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    In the most recent EVTV episode Jack Rickard was talking about a Ford Edge conversion which was a mess that he bought for cheap from an individual. It had terrible range and was poorly designed, so after the transmission went he took it all apart and found the Warp11 motor in rough shape, including what he thinks was chunks of balancing putty in the motor case. In passing he mentioned that the conversion was originally done by, wait for it........ Paul Liddle.

  10. #240
    Model S R77 efusco's Avatar
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    Quote Originally Posted by JRP3 View Post
    the conversion was originally done by, wait for it........ Paul Liddle.
    Wow, even named the guy. I still really feel for Daniel here. So much promise that's just gone so sour. Too bad this guy ended up being such a bad converter.
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