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woolyhead

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  1. The reaction I'm referring to is the one where hydrogen is collected in a test tube and air (oxygen) is let in and a spark ignites the mixture. It might not be literally instantaneous but it's pretty quick.
  2. We had similar tripping when the fan motor's rotor was prevented from going round due to pieces of carbon stuck between rotor and stator. I suppose the current drawn was persistently high, as when a motor starts up, and it tripped due to over current. After removing the carbon everything worked ok.
  3. I didn't realise that hydrogen would not react with oxygen without the catalyst you mention, Albert the Cat. Whenever I've seen a hydrogen/oxygen reaction it has been virtually instantaneous but without any catalyst. What does the catalyst do?
  4. What about steam cars where the water is heated by nuclear fuel as in a nuclear submarine?
  5. I must agree with Dardandec that if 30 cars rolled up at the same time to have their battery replaced it would cause a shortage of "fitters" for a while. No company would have 30 "fitters" sitting around, waiting for 30 cars to rollup together so the only things I can think of are (i) if the battery was replaced by an automaton of some sort or (ii) if the "fitters" had other things to do until these 30 cars arrive, things such as setting up the batteries for recharging, sweeping up, cleaning the toilets, cleaning windscreens, checking tyre pressures, doing their "standby job." This would require some inventiveness. It would need a new breed of mechanic, maybe one called a "battery fitter" as distinct from an engine fitter, who is a skilled mechanic. And the battery fitter would need to be flexible and willing to change activity when in greater demand.
  6. I just told you about the battery replacing en route. That's a wonderful insight.
  7. Yes, and the only part of the "company specific" car battery could be the packaging around it. And as for replacement batteries being a good revenue stream, by not having replacement batteries for swapping over en route the car companies will be losing much more revenue because people will be put off buying an electric car that runs out of charge on a long journey and takes hours to recharge. It's in their interest to standardise on battery connections and fittings. What on earth are Drive-over charging points? They must be a very long way into the future. And they would also require connection interface, wouldn't they? So how are they different from the issues raised by swapping batteries?
  8. So what about my idea (9 posts ago) ? Is it a good idea or not and why/why not?
  9. Much obliged. I will look into it soon.
  10. MY MISTAKE, THIS POST BELONGS IN ELECTRIC CARS. I CAN"T MOVE IT. Replacing (not recharging) the battery while on a journey would save you a lot of time. If companies with enough investment money established battery replacing stations up and down the country and were to get the car manufacturers to make the battery fixings and connections quickly undoable (not an impossible task), your battery (and several others) could have been charged up in advance of you arriving at the station so that a quick replacement could take place. In case there were to be a problem with people leaving a very old battery and getting a newish one in exchange, this could be covered by you having taken out a scheme parcipation membership so any losses all becomes swings and roundabouts for the battery replacement station, their losses being covered by the cost of scheme membership. Although this way of working would cost a bit more than by simply recharging your existing battery, it would save you a lot of time on your journey.
  11. My PC is tailor made. No model number. Unknown maker.
  12. Where was this 40 megabitsofflipflop located? I know nothing about computers or broadband engineering, just interested. Your post rang a bell with me because my broadband was very slow when I first signed up and then after my complaining for 3 months the Talk Talk engineer changed the BT wall socket and the speed went up from 5 to 13, which is plenty fast enough for me.
  13. Thank you Zach. No I haven't been in there but out of interest, can you tell me how changes would be made to BIOS as it's used at a very basic but essential level to run the PC, so far as I understand, so if it were changed isn't that a bit like altering someone's lower brain (used for heart beat) and still expecting them to perform?
  14. Yes, I suppose so. I didn't know it was capable of doing that.
  15. I got a notice saying my BIOS had developed a fault and needs attention. It happened as the mains plug fell out of the wall during bootup. I don't know much about computers but as the PC is now working just as it always used to, what might have happened to correct the BIOS?
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