Re: Short name for USB

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: Short name for USB
Date	2023-02-23 12:01 +0100
Message-ID	<jltjcjx0og.ln2@Telcontar.valinor> (permalink)
References	(20 earlier) <0i0bcjxks1.ln2@Telcontar.valinor> <pSednd0kcqIHam_-nZ2dnZfqnPGdnZ2d@earthlink.com> <63f31add@news.ausics.net> <k5h0rcFg31nU3@mid.individual.net> <tsvkp8$ogna$1@dont-email.me>

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On 2023-02-20 12:15, The Natural Philosopher wrote:
> On 20/02/2023 10:37, Carlos E. R. wrote:
>> On 2023-02-20 08:01, Computer Nerd Kev wrote:
>>> 25B.E866 <25B.E866@noaaba.net> wrote:
>>>> On 2/19/23 8:55 PM, Carlos E.R. wrote:
>>>>> On 2023-02-19 23:46, Computer Nerd Kev wrote:
>>>>>> Carlos E.R. <robin_listas@es.invalid> wrote:
>>>>>>> On 2023-02-19 00:23, Computer Nerd Kev wrote:
>>>>>>>> 25B.R866 <25B.R866@noaaba.net> wrote:
>>>>>>>>> ??? Electrics are VASTLY simpler machines - usually you don't
>>>>>>>>> ??? even need a transmission.
>>>>>>>>
>>>>>>>> MECHANICALLY simpler. If you're driving along and your motor
>>>>>>>> controller lets out the smoke, you're not exactly going to be able
>>>>>>>> to rig up a fix on the road side. Probably not even if you're the
>>>>>>>> engineer who designed it.
>>>>>>>
>>>>>>> Same with an ICE.
>>>>>>>
>>>>>>> If the motor computer in my gasoline car breaks, I can not start 
>>>>>>> or run
>>>>>>> the car till it is repaired or replaced.
>>>>>>
>>>>>> Yes but electric isn't making that situation any better, which is
>>>>>> what I read from 25B.R866's "Electrics are VASTLY simpler
>>>>>> machines". In fact if a current model of either breaks down it's
>>>>>> probably an equal headache to fix because neither technology is
>>>>>> remotely simple anymore.
>>>>>
>>>>>
>>>>> Mechanically they are way simpler.
>>>>
>>>>    That was my main point ... consider ALL the moving parts
>>>>    in today's petrol engines. The things are VERY complicated.
>>>>    Yea, x-percent of the parts are just replicated, but still
>>>>    it's a LOT of parts and there are a few VITAL support
>>>>    systems too.
>>>>
>>>>    Electrics = stator+rotor and a couple bearings and you don't
>>>>    even need a tranny. Feed the wheels directly and you can
>>>>    skip the pumpkin(s) too.
>>>>
>>>>    In BOTH kinds of motors, these days, there's a complicated
>>>>    computerized control unit. They won't run without it. Yer
>>>>    '54 Chevy would, but not anything made today. On the plus
>>>>    side, such units are basically plug-ins - quick (but $$$)
>>>>    to replace.
>>>
>>> Actually the complicated control unit made the mechanical parts
>>> less complicated in IC engines (no distributor, carburettor,
>>> etc.). The mechanical complexity went down, but the overall
>>> complexity went up. What I think you're trying to say is that
>>> _reliability_ is better with electric cars (provided they get the
>>> design right, I suppose), and in principle I agree with that.
>>
>> Well, an EV has no gears, no clutch. No transmission turbine. No oil 
>> pump. No water cooling (maybe the batteries need that?). No belts. No 
>> camshaft or chain. Possibly no differential transmission, or no 
>> transmission at all. Possibly four wheel drive with no transmission.
>>
> So? Complexity does not equal unreliability if the individual components 
> have a high MTBF and preventative maintenance is carried out.
> The problem is that the major component of an electric car - the battery 
> - is likely to fail after 50-100,000 miles.
> One huge critical not very reliable component.

I would not say not reliable. I would say not durable.

> I've been running battery power electric model aircraft for two decades 
> now, on and off.
> THE single most unreliable item has been the flight batteries,m which 
> you generally bin after a year or two as they lose capacity and develop 
> high internal resistance.

You are stressing them.

> The second most prevalent failure in the early days was the bronze 
> bushings and carbon brushes on the cheap DC motors we totally abused. 
> Today they have gone and we have ball bearing equipped brushless motor 
> driven by a $10 Chinese made controller, that is simply fit and forget. 
> If you are conservative about your ratings that is.
> 
> Electronics are remarkably reliable. Most stuff that worked once carries 
> on working. The exception being some capacitors, and the 
> electromechanical items like potentiometers.
> 
> Semiconductors do age, and high temperatures accelerate that process so 
> blown power stuff happens in the end if you run then too hot, but for 
> the vast majority of low power stuff the MTBF will be several times the 
> expected lifetime of the car.
> 
> I'd say the weakest point in a battery car is the battery itself, 
> followed by the cooling fans. Then the power transistors which will be 
> physically large and replaceable by a fairly unskilled technician, If 
> they are not in a simple replaceable block.
> 
> And of course the aircon system, which will be just as bloody useless as 
> it is on any IC car, and the remote keyfob, which will disintegrate 
> leaving you totally stranded unless you can get a recode at a dealership 
> :-)

Neither have failed me for many years.

...

-- 
Cheers, Carlos.

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Short name for USB db <dieterhansbritz@gmail.com> - 2023-02-09 11:28 +0100
  Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-09 11:55 +0100
    Re: Short name for USB db <dieterhansbritz@gmail.com> - 2023-02-09 16:39 +0100
      Re: Short name for USB Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2023-02-09 16:12 +0000
      Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-09 17:48 +0000
      Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-09 18:54 +0100
        Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-09 19:05 +0100
          Re: Short name for USB "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2023-02-09 13:14 -0500
            Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-09 19:21 +0100
              Re: Short name for USB "26C.Z968" <26C.Z968@noaada.net> - 2023-02-09 21:53 -0500
      Re: Short name for USB "26C.Z968" <26C.Z968@noaada.net> - 2023-02-09 21:40 -0500
    Re: Short name for USB pH <wNOSPAMp@gmail.org> - 2023-02-10 20:41 +0000
      Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-10 22:48 +0100
      Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-11 08:22 +0000
        Re: Short name for USB marrgol <marrgol@address.invalid> - 2023-02-11 10:41 +0100
        Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-11 11:29 +0100
          Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-11 11:22 +0000
      Re: Short name for USB db <dieterhansbritz@gmail.com> - 2023-02-20 16:41 +0100
  Re: Short name for USB Gerald Gruner <gerald314@yahoo.de> - 2023-02-11 16:33 +0100
    Re: Short name for USB "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2023-02-11 10:59 -0500
      Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-11 16:52 +0000
        Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-11 19:06 +0100
          Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-14 00:53 -0500
            Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-14 12:46 +0100
              Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-14 10:06 -0500
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-14 16:29 +0100
                Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-15 01:05 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-15 12:27 +0100
            Re: Short name for USB Rich <rich@example.invalid> - 2023-02-14 14:07 +0000
              Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-14 10:10 -0500
                Re: Short name for USB Rich <rich@example.invalid> - 2023-02-14 15:51 +0000
                Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-15 00:57 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-15 12:29 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-15 12:07 +0000
                Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-16 01:38 -0500
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-16 10:24 +0000
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-16 12:39 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-16 18:44 +0000
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 00:29 -0500
                Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-19 09:23 +1000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-19 11:41 +0000
                Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-20 08:41 +1000
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-19 12:53 +0100
                Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-20 08:46 +1000
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-20 02:55 +0100
                Re: Short name for USB Computer Nerd Kev <not@telling.you.invalid> - 2023-02-20 12:07 +1000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-19 23:30 -0500
                Re: Short name for USB Computer Nerd Kev <not@telling.you.invalid> - 2023-02-20 17:01 +1000
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 11:37 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 11:15 +0000
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-23 12:01 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-24 13:06 +0000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 10:43 +0000
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 12:38 +0100
                Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-21 06:02 +1000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-21 11:12 +0000
                Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-22 07:43 +1000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-22 13:37 +0000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 10:35 +0000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 10:26 +0000
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 11:44 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 11:26 +0000
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 12:41 +0100
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 00:25 -0500
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-18 10:04 +0000
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-17 23:52 -0500
                Re: Short name for USB "25B.R867" <25B.R867@noaaada.net> - 2023-02-16 01:36 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-16 12:45 +0100
                Re: Short name for USB Jim Jackson <jj@franjam.org.uk> - 2023-02-16 18:11 +0000
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 01:04 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-18 12:37 +0100
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 23:11 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-19 13:03 +0100
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 00:56 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-18 12:40 +0100
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-19 21:28 -0500
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 11:28 +0100
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-21 00:21 -0500
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-21 12:52 +0100
              Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-15 07:34 +0000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-15 08:13 +0000
                Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 01:39 -0500
        Re: Short name for USB not@telling.you.invalid (Computer Nerd Kev) - 2023-02-12 08:01 +1000
          Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 01:50 -0500
            Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-18 10:11 +0000
              Re: Short name for USB "25B.R866" <25B.R866@noaaba.net> - 2023-02-18 23:08 -0500
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-19 11:53 +0000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-19 23:11 -0500
                Re: Short name for USB "Carlos E. R." <robin_listas@es.invalid> - 2023-02-20 11:31 +0100
                Re: Short name for USB Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2023-02-20 18:03 +0000
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 19:21 +0000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-20 23:57 -0500
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-21 00:27 -0500
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-21 11:16 +0000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-22 01:23 -0500
                Re: Short name for USB "Carlos E.R." <robin_listas@es.invalid> - 2023-02-19 13:04 +0100
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-19 14:11 +0000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-19 23:18 -0500
                Re: Short name for USB The Natural Philosopher <tnp@invalid.invalid> - 2023-02-20 10:46 +0000
                Re: Short name for USB "25B.E866" <25B.E866@noaaba.net> - 2023-02-20 22:15 -0500

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