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  1. H

    Inside a Dual voltage power tool pack !

    Ever wondered what therse packs look like internally ? …or wondered what a water jet cutter can do to one ?
  2. H

    Toyota’s 1:6:90 rule ?

    Some insight as to why toyota are unconvinced about the full BEV approach.. https://energyminute.ca/news/toyotas-1690-rule-the-case-for-hybrids/
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    Lithium battery fire risk and information.

    Some useful information , advice and horrific examples of the dangers of even a small (ebike size) lithium pack in runaway ! Note… My take away from this…... You may think it is smoke,…but it is not,…it is poisionous, explosive, gas ! Just run ,!…..fast !
  4. H

    Full cost comparason between Wind , solar, coal, gas, Nuclear

    A new methad of comparing the full costs of different grid generation options that allows for the intermittent character of wind and solar, the storage needed to enable continuity of supply, and additional infrastructure requirements.. Based on data from Germany and Texas. Levelised Full System...
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    A different solar + storage technology

    An Aussie company has a pilot plant running using solar energy to supply electricity 24/7 by employing a different approach to concentrated thermal solar and a different energy storage process. That uses hot water rather than salt. They have developed a solar reciever that generates both...
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    A million + miles in an EV..

    https://www.motortrend.com/news/heres-a-million-mile-tesla-model-s-owners-advice-for-ev-reliability/ key points.. 2014 Tesla “S” in Europe. Owner driver who says he doesnt go over 100 km/h (60 mph) currently on its 4th battery pack Has had 13 (thirteen) drive motor replacements…. ( the...
  7. H

    Cheap and simple ebike conversion…

  8. H

    Electricity Storage alternative to lithium

    Thermal power storage is already in use…molten salt, hot rocks, sand, ceramic blocks, etc….but all rely on steam turbines or similar to convert the heat back to electricity at low efficiency. (30% ?) But it seems that direct heat to electricity is becoming practical using high temperature...
  9. H

    Solhyd.. home hydrogen generation ?

    Another potential alternative energy source..
  10. H

    HYGROpower ?

    Another energy source alternative to solar, wind, hydro, etc etc.. electricity from humid air ..!
  11. H

    Your EV maytake you hostage and try to kill you !

  12. H

    18 wheel drive EV ..!!

  13. H

    EV 0-100km/h in under 1.0 sec ..

    The Swiss team have regained the 0-100 km/h EV record again.
  14. H

    EV 0-100km/h in under 1.0 sec ..

    The Swiss team have regained the 0-100 km/h EV record again.
  15. H

    240v BLDC motor controller ?

    OK, this is a little off side but i will try anyway.. i have a 240v AC mains powerer water pump driven by a 1100 Watt BLDC motor to give variable speed. The controller has failed ( blown components internally) but the motor and pump appear fine. the manufacturers ( all Ozzie components !) wont...
  16. H

    The ultimate solution ??

    https://www.ggoe.org/ https://busycontinent.com/aussie-entrepreneur-creates-fuel-free-engine/ Anyone remember Dr Rossi and his “over unity” generator..?
  17. H

    Nikola going down…in flames ?

    …. https://www.zerohedge.com/markets/nikola-issues-ev-truck-recall-halts-sales-after-thermal-incident-probe
  18. H

    Head winds for turbine makers Seimens

    https://www.reuters.com/business/energy/what-are-issues-with-siemens-gamesas-wind-turbines-2023-06-23/
  19. H

    Surplus EVs in China ?

    reports of “fields of rotting EVs”..? This is in contrast to the situation we have locally where it is impossible to actually buy any EV without a 6+ month wait for delivery after placing your order ! ( actually the only EV that is claimed to be available ex stock, is the BYD Atto 3 !🤔 !)
  20. H

    Tecnam suspend electric flight projects due to battery limitations

    A pioneering electric plane developer has shelved development of its new craft after discovering that its batteries will only last a few hundred flights before they need to be replaced. Tecnam said its main challenge was the energy density of the batteries available today, which are relatively...
  21. H

    Mystery charger performance ?

    Can anybody explain whatis happening with a dc/ dc charger being used in an RV to charge a 12 v LifePo aux battery. It is a Victron Orion tr smart 121230 unit that reads an input voltage of 13.5v, an output voltage of 14.5 v, whilst connected to the discharged LiFe batt ( reading 11.5 v) but...
  22. H

    Boston Dynamics..hands on !

    Boston Dynamics “Atlas” now has hands.. https://youtu.be/-e1_QhJ1EhQ -e1_QhJ1EhQ
  23. H

    UK battery start-up collapses into administration

    Britishvolt: UK EV battery start-up collapses into administration https://www.bbc.com/news/business-64303149 £3.8 bn ??…. It would be interesting to see their business proposal and how they expected to see a viable ROI ? ..I have been involved in several large manufacturing plant startups, and a...
  24. H

    LiFePo4 battery prices ?

    There seems to be a sudden drop in LiFepo4 battery prices which stubbornly held at over us$400 /kWh for a long time. The 12v , 100+ Ah , auto/ RV storage batteries are now showing up on line localy (free delivery!) at much lower prices from “brand name” suppliers . I guess there is a lot more...
  25. H

    Public Battery swap station

    Anyone know where this is based ? https://youtube.com/shorts/Eyw0UrGqIhk?feature=share
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