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Thread: EV general discussion

  1. #4311
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    40 year battery life?

    Promises promises or just waffle? The American one I have mentioned is still at or close to a very nice year high. Toj0 might have been clever to wait and lurk perhps?



    Writing about solid-state batteries feels like waiting for a train that’s always five minutes away, but it never actually arrives. Automakers have been developing these ‘holy grail’ batteries for years, but we’re yet to see a real-world mass-market application.
    The bold claims, however, continue to land much faster than the tech itself. But what their makers intend to do with this technology can speak volumes as well. At the recently concluded Japan Mobility Show, Toyota said that its solid-state batteries are designed to last 40 years.
    If that’s true, that would be about 2.7 times the average age of a passenger vehicle in the U.S. as of 2025, which now stands at 14.5 years according to the Bureau of Transportation Statistics.

    from
    Toyota's 40-Year Solid-State Battery Could Change Everything We Know About EVs


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    Quote Originally Posted by Captain_Rightfoot View Post
    Lotus bought the engine from Ford. In the ford version it wasn't cross flow so carbs were above the exhaust.

    Lotus made it crossflow so carbs above the distributor. Two big webers and a bit of a leak here and there. Fibreglass body and we're off to the races.
    Wow... the only sensible fix for that is converting to fuel injection (movign the dizzie is too hard).
    Proper cars--
    '92 Range Rover 3.8V8 ... 5spd manual
    '85 Series II CX2500 GTi Turbo I :burnrubber:
    '63 ID19 x 2 :wheelchair:
    '72 DS21 ie 5spd pallas
    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual :zzz:
    '11 Poogoe RCZ HDI 6spd manual

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    Quote Originally Posted by DoubleChevron View Post
    Wow... the only sensible fix for that is converting to fuel injection (movign the dizzie is too hard).
    Could do but I think the point we're at now we're just trying to keep it as original as possible. I keep a really close eye on it. Like I've said before, whenever I push it out and hook up the battery I like to have a clear retreat point and a direct line to the fire extinguisher
     2005 Defender 110 

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    Quote Originally Posted by Captain_Rightfoot View Post
    Could do but I think the point we're at now we're just trying to keep it as original as possible. I keep a really close eye on it. Like I've said before, whenever I push it out and hook up the battery I like to have a clear retreat point and a direct line to the fire extinguisher
    I'd buy two of these for this car

    4x4 Firestryker - The Technology

    they look deeply impressive in the demonstrations. I have one friend who's Citroen DS19 burnt (a late 50's model, rare and almost impossible to find). He had an extinguisher with him, it lasted such a short time he couldn't put the fire out (they exhaust very quickly ). the firesticks sound like a potassium generator ... if it lasts 100seconds ... and you have two. If that doesn't put the fire out, well, nothing was going to! Two of these woudl be about 3 minutes of fire fighting rather than the 20 seconds you might get from a car extinguisher.
    Proper cars--
    '92 Range Rover 3.8V8 ... 5spd manual
    '85 Series II CX2500 GTi Turbo I :burnrubber:
    '63 ID19 x 2 :wheelchair:
    '72 DS21 ie 5spd pallas
    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual :zzz:
    '11 Poogoe RCZ HDI 6spd manual

  5. #4315
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    Quote Originally Posted by DoubleChevron View Post
    I'd buy two of these for this car

    4x4 Firestryker - The Technology

    they look deeply impressive in the demonstrations. I have one friend who's Citroen DS19 burnt (a late 50's model, rare and almost impossible to find). He had an extinguisher with him, it lasted such a short time he couldn't put the fire out (they exhaust very quickly ). the firesticks sound like a potassium generator ... if it lasts 100seconds ... and you have two. If that doesn't put the fire out, well, nothing was going to! Two of these woudl be about 3 minutes of fire fighting rather than the 20 seconds you might get from a car extinguisher.
    Very interesting. Expensive but seems quite different to a normal FE. Will have a look into it.
     2005 Defender 110 

  6. #4316
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    Quote Originally Posted by Tombie View Post
    We can certainly agree on that.
    Well known bike brands making “e-pedal” bikes are using quality circuits and cells.
    I haven’t seen any reports of them burning up.

    Unfortunately the same cannot be said for the DIY and cheap “e-motorbikes” (and that’s what they are) which can suffer from poor installation, poor construction etc. these are well documented for letting the smoke out.


    The fire guarding on a building is a good idea, also likely to be an insurance requirement nowadays.
    The fire authorities around here are saying over 90% of lithium battery fires are caused by either the wrong charger being used,or a cheap charger and or equipment, bought on line.
    Using the correct charger for the correct equipment is a must.

    They are not talking about vehicle fires.

  7. #4317
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    Quote Originally Posted by scarry View Post
    The fire authorities around here are saying over 90% of lithium battery fires are caused by either the wrong charger being used,or a cheap charger and or equipment, bought on line.
    Using the correct charger for the correct equipment is a must.

    They are not talking about vehicle fires.
    This is the problem. With small cheap lithium they rely on the charger to regulate things. Small expensive lithium tend to have a BMS built in and are safe.

    In cars, the smarts are in the car to control the charger. The "Chargers" are actually just electricity supply equipment. EVSE. Which is why vehicle fires are also astonishingly rare.
     2005 Defender 110 

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    Recently, I got wind of a new Prelude being produced by Honda. This sparked my interest (my name on this forum SHOULD give you a hint :P)

    Deep down I kinda hate the concept because a part of the car is FAKE but on the other hand I respect the maker for trying to at least appeal to my petrolhead side whilst still trying to push a (what is in essence a series) hybride.

    Apparently, the ICE is specifically tuned so that it will run really frugal and environmentally friendly, but, if I want to hoon around like a jobbo it will give me as close to a real experience it can give you. I guess it beats fake cars with fake V8 sounds from the speaker grills

    In essence, the ICE drives a generator which powers an electric motor that drives the wheels. When driving normally a battery buffer takes on regen and acceleration and what not and the ICE plods along where needed to provide just enough power to keep up and run the engine in I guess an atkinson cycle? to be very clean and frugal. If however you put it in sport or sport+ mode or whatever, the engine (and "gearbox") will act completely as if you were racing a flappy paddle gearbox sportscar. When you accelerate the ICE spins up to max rpm, during gearshifts a computer simulates a small jerk through the electric motor, the ICE indeed drops down in RPM etc. etc. still whilst only running the generator to provide power.

    So, although the drivetrain is a simulation, you still get all the feel, smell, sound of the original. A few pages back there was a discussion on what new car people would get. For me, that is a contender

    Cheers,
    -P

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