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Thread: off the wall ideas

  1. #21
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    You can't leave a computer on all the time.. it would drain the battery. NanoITX remains to be seen, but I'm guessing that even that system will drain the battery if left on.
    That may be true, since im not exactly certain how much it takes to kill a battery. im guessing the requirments wouldnt be a battery killer. but the spider has 'Ultra-Low power requirements; 3.3VDC @ 300ma and 5-12VDC @ 0.5A' so whatever that equals, im guessing that it would take a while to kill a battery with such low requirements.
    Plus even if it did drain the battery, i drive my car at least once a day, and being on for 8-14 hours shouldnt kill the battery when the power thats being sucked from the battery is that low. So when i turn it on, drive to the store, or school, it should be recharged by then.

    We're all pretty much the same height, and the average weight for our height. Not all my friends certainly.. but I'd say the majority. It's not strange at all... it's just the way the bell curve works. So, even though you could implement weight measuring, it wouldn't be very useful unless your weight is an extreme so that you could allow a high tolerance.
    That may be true for your situation, but like someone else said, it would work. And i still think its very strange...its not like all my friends/family/friends families are abnormal heights/weights they are almost all in the same weight class and none of them are within 5lbs of each other.

  2. #22
    Variable Bitrate Banderon's Avatar
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    Quote Originally Posted by bubbrubb
    That may be true, since im not exactly certain how much it takes to kill a battery. im guessing the requirments wouldnt be a battery killer. but the spider has 'Ultra-Low power requirements; 3.3VDC @ 300ma and 5-12VDC @ 0.5A' so whatever that equals, im guessing that it would take a while to kill a battery with such low requirements.
    Plus even if it did drain the battery, i drive my car at least once a day, and being on for 8-14 hours shouldnt kill the battery when the power thats being sucked from the battery is that low. So when i turn it on, drive to the store, or school, it should be recharged by then.
    What's the spider?

    All the same, even if it could last a day... I doubt many people would want to bet their ability to get into/start their car on it. In essence, your car would become like a pet. You would not be able to leave it alone for too long or it would starve. I don't want to wonder whether or not I'll be able to get into my car, because I spent a few nights at a friend's.

  3. #23
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    What's the spider?

    All the same, even if it could last a day... I doubt many people would want to bet their ability to get into/start their car on it. In essence, your car would become like a pet. You would not be able to leave it alone for too long or it would starve. I don't want to wonder whether or not I'll be able to get into my car, because I spent a few nights at a friend's.
    Spider is one of the computers that was linked on the www.mini-itx.com page. But as i said earlier i dont know how long it would take for that kind of power to drain my battery. It could be sucking as much power from my car as my car alarm does, and that is on all the time, but i dont see people in here scared to hookup and alarm because it would 'become a pet'. But as i said, who knows how long it would take for 0.5A to kill your engine-- im guessing a LONG time, but then again, its only a guess.

    Also, im going to be dropping in a new battery for all the extra electronics that are going to be in my car (xbox/ps2/A PC with more power then those mini-itx's, speakers ect) So after ill end up running tests on that battery first, and see what kind of time can be expected.

  4. #24
    Variable Bitrate Banderon's Avatar
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    If you want a powerful battery, I advise you to take a look at an Optima Yellowtop. You probably won't need a second battery with this thing. Of course, it costs almost twice as much as your typical battery. =\

  5. #25
    Variable Bitrate Superduck's Avatar
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    Regarding the Headlight thing, it must obviously be doable with relatively low technology, as the Tucker Torpedo (Incredible car, like sfay93 said, go find a copy of Tucker, A Man and his Dream) had this designed in the late 40's!
    The Torpedo actually had a third headlight, mounted right in the centre that turned with the wheels (I think it had some sort of gearing).

    It would be much easier to do this with driving lights or something independant of the main headlamps. I thought about this a couple of years ago. I was thinking you could make a fairly easy system using mercury switches. You can go to any parts store and pick up a couple of those mercury trunk/hood lights, turn them sideways and use them as a sort of yaw sensor switch. It would save a lot of programming and electronics. You could maybe use RC car steering motors, they automatically re-center when no signal is sent.

    Some cars (80's Ford T-birds come to mind) have turning lights, like floodlights mounted on the side of the car, but they only turn on when you've got your turn signal on, which doesn't help when you're driving down a winding road, unless you want to look like a doofus putting your turn signal on for a sharp corner.

    As for the flip-up monitor, I'm picturing pop-up headlights. Is that kinda what you're thinking? You may even be able to use a headlight motor from a wrecker. (Just try to avoid Fiero motors, they're getting rare)


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  6. #26
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    The headlight thing was done 40-50 years ago by Citroen. They worked this from the steering of the wheels. I think this was a linkage from the steering rack somewhere. It was very effective. This is the simplest in terms of technology and does not need all the complicated speed/corner calculations as you may think. Normally for high speed driving your standard headlamps are enough to light your way. It's on the tight cornering a lower speeds where the headlamp turning works best and this is why they connected the linkage to the steering system.

    A number of companies are now providing smart cards with the cars so that the car will automatically unlock when you approach the car to get it. All you then do is press a button on the dash to start the engine and drive off. If you don't have your smart card you can't get in and you can't start the engine. The thing that always makes me smile about this is my natural curiosity of wether the car really did lock itself when I walk away from the car. Like you walk away and the car locks, you wonder if it did lock so you walk back to check it. Of course when you walk back the car unlocks. It's a little bit like that little light in the refridgerator

    But they do do it and it works great. The smart card just needs to be near the car to work. I think Renault and Nissan do this stuff.

  7. #27
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    Quote Originally Posted by Banderon
    If you want a powerful battery, I advise you to take a look at an Optima Yellowtop. You probably won't need a second battery with this thing. Of course, it costs almost twice as much as your typical battery. =\
    Could you post a web site for this battery? I googled for it, and every site that mentioned it was down/blocked/in chinese.

    Thanks,

    Rafster

  8. #28
    Low Bitrate Maxis24's Avatar
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    Quote Originally Posted by jusatry
    The new 5-series does exactly what you are talking about - for seeing "around corners".
    Interesting idea. I have created a solution to this: Get headlights that light up an extra 15 degrees on either side like the ones I have installed (in my Sig). Yeah, they are the stock Euro headlights, but they put out so much more light.

    As for controlling the directional "turning" of the headlights, this is possible, but I would not recommend it. You would essentially be creating an entirely new housing within a housing for the headlight. You will need to be able to maintain height adjustment and also horizontal adjustment. The best way that I have seen for the horizontal adjustment with a servo is the headlight mounted in a casing that is on a vertical pivot (moves it left->right->left) with a screw mechanism that is powered by a servo. You would then need to probably hard code with circuitry any turning that you want done, or use a low-level circuit board (similar to what is used on the Lego Mindstorms, a breadboard). Not to mention the amount of space that you will need behind your headlights (both) is quite sobering.

    Either case, this is a lot of work for features that are becomming more and more mainstream. Last time I checked, PIAA has a good reference guide on their site for how their equipment works (ironically, BMW and Acura [Honda] have both bought into this technology and are using it in their cars. No independent thinking there ), I'm sure this will be able to atleast help you down the path to see if all this labor is worth the fruits of your work.

    Good ideas though. It's the designers job to test the limits of what we can do and it's the engineers job to tell everyone else what things are or are not possible.

  9. #29
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    The BMW system for swivelling headlights actually shines light on to a swivelling 2x2cm mirror, which is made up from thousands of 'mirror pixels'. These can shine light in whatever pattern you want, so using GPS data etc. they can mark the edges of the road for you, show warnings, illuminate pedestrians, all sorts of crazy stuff apparently

  10. #30
    Variable Bitrate Banderon's Avatar
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    Quote Originally Posted by tekta
    they can mark the edges of the road for you, show warnings, illuminate pedestrians, all sorts of crazy stuff apparently
    But they don't, god damn lazy bastards!

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