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Thread: EV general discussion

  1. #421
    Join Date
    May 2012
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    Bangkok
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    918
    101RRS: Well actually many non heat pump reverse cycle air conditioners do use electric heaters to gain full efficiency. How do I know - well my house had them.
    The discussion concerns air con in EV cars, not what can and cannot work in a house.

  2. #422
    Join Date
    Jan 1970
    Location
    Canberra
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    16,688
    If you look back over the posts you will see it is a mix of car stuff (eg Nissan) and none car general A/C.
    REMLR 243

    2007 Range Rover Sport TDV6
    1977 FC 101
    1973 Haflinger AP700
    1971 Jaguar V12 E-Type Series 3 Roadster
    1957 Series 1 88"
    1957 Series 1 88" Station Wagon

  3. #423
    Join Date
    Mar 2008
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    Рязанская облас&
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    1,490
    My nissan leaf fully charged last winter with range of 190km on dial,temperature outside was minus 4 celcius,turn on heater air con range states 162 km..,varies with outside tempature of course improving with warmer temps of course and of course fakes more kw and time to reach 100% at present with 16 c it charges to 204 km in theory..
    Дми́трий Медве́дев: Денег нет, но вы держитесь

  4. #424
    Join Date
    Apr 2008
    Location
    Brisbane,some of the time.
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    10,117
    Quote Originally Posted by 101RRS View Post
    Well actually many non heat pump reverse cycle air conditioners do use electric heaters to gain full efficiency. How do I know - well my house had them.

    In cold climates many reverse cycle air conditioning systems were not able to pull enough heat out of the outside air to heat the house in temps below about 2c. So they installed a big electric heating element in the ducting that came on when the A/C could not cope. So you had basically a big fan heater.

    Garry
    Small to medium reverse cycle AC units for normal comfort cooling don't have heaters anymore.

    Heaters are still used in commercial systems,where reverse cycle is not used,or in systems that use chilled water reticulation.These have different zones with re heats,variable air volume boxes,etc,etc,etc.

    Even multi headed systems have no heaters,although they can have one indoor operating on heating,with another on cooling.
    The Japs have done an excellent job with the engineering and design of such systems.

    Anyway,does this have anything to do with EV's,um,probably not
    paul

    D4 MY12 white,2.7, rear air,e diff,xenons,arb bar,7 seat ,18" bfg KO2

    Puma Defender 110 (son's)ARB
    bar,snorkle,rocksliders,rack,KM3's,BAS chip

    '56 S1,been in the family since...'56

  5. #425
    Join Date
    Feb 2010
    Location
    Melbourne
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    4,698
    Quote Originally Posted by Old Farang View Post
    Yes, all well and good. But you are talking about Co2. While Co2 is used as a refrigerant it is not the type of gas you want in a car.

    To see what Co2 does just take a Co2 fire extinguisher and let some loose.
    Great for chilling a beer issue? It wasn't me

    Heat pump v not


  6. #426
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
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    Quote Originally Posted by scarry View Post
    This is interesting,won't help manufacturers such as LR that produce many heavy vehicles.

    So get in and get your vehicle before these rules and taxes start to arrive here.

    Looking at actual $,a vehicle that weighs 1000KG over the limit is going to cost an extra $16500 to purchase.

    They would be better off teaching people to keep tyre pressures where they should be and to drive sensibly which would also not only reduce fuel,but also reduce brake pad dust and rubber particles from tyres,which are a huge issue as well.

    But that will never happen,they just need an excuse for another tax,which is all it is.

    Pretty sure WA taxes by weight
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
    Gone - Tombraider Defender - Lara
    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

  7. #427
    Join Date
    Apr 2012
    Location
    Whyalla, South Australia
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    Quote Originally Posted by DiscoMick View Post
    Can't the heater work with the air-con off?
    What heater? From the cooling pack for the batteries?
    Needs pump and fan running.
    Cheers
    Tombie

    D4 MY11 - Stormy

    D90 MY15 - Ike
    D2 TD5

    Tesla Cybertruck Tri-Motor AWD On order...due 2021
    Gone - D1 AZZKIKR - 5.0L Supercharged with the lot
    Gone - Tombraider Defender - Lara
    Two wheels
    2007 Suzuki M109R LE
    2020 Suzuki Katana

  8. #428
    Join Date
    May 2012
    Location
    Bangkok
    Posts
    918
    I think that the following is still under development, but may answer some questions:

    More Efficient Heating & Cooling Technology Extends Electric Car Range

    https://cleantechnica.com/2018/10/08/more-efficient-heating-cooling-technology-extends-electric-car-range/#:~:text=Many%20electric%20cars%20rely%20on,electr ic%20baseboard%20heat%20in%20buildings.&text=Other %20electric%20cars%20use%20heat,motor%20turning%20 a%20rotary%20compressor.

    Innovative Climate-Control System to Extend Range of Electric Vehicles and Improve Comfort


    CORDIS | European Commission




  9. #429
    Join Date
    May 2012
    Location
    Bangkok
    Posts
    918
    GMC's 1000HP Hummer EV is an 'all-electric supertruck'

    https://au.news.yahoo.com/gmc-hummer-ev-reveal-001354369.html

    Behold the 2021 Hummer EV Edition 1, what GMC is billing as “the world’s first all-electric supertruck.” The four-door crew cab boasts AWD, 1,000 HP, and 11,500 ft/lb of torque generated by three motors run from the vehicle’s Ultium battery pack. That’s enough oomph to reportedly propel it from standing to 60 miles per hour in just 3 seconds, the same timing as the Rivian R1, and an announced range of 350 miles.

  10. #430
    Join Date
    Sep 2012
    Location
    Adelaide Hills
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    12,347
    di you need a current license to drive an EV?
    Quote Originally Posted by DazzaTD5 View Post
    Its a land Rover Defender... you need a real mechanic

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