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Re: Ion drive for aircraft imminent.

Subject Re: Ion drive for aircraft imminent.
Newsgroups sci.electronics.design, sci.physics, rec.arts.sf.science, sci.space.policy
References (12 earlier) <QLeWz.218692$aF.59184@fx42.am4> <0g2j2chkqnifba356q8ek0cvesu22mn07i@4ax.com> <MPG.329363c6a6707ebb989862@news.eternal-september.org> <hghWz.176740$2P.173948@fx38.am4> <MPG.3293ce87c42c2d3c989863@news.eternal-september.org>
From Tom Gardner <spamjunk@blueyonder.co.uk>
Message-ID <2KnWz.136226$EP.47973@fx23.am4> (permalink)
Organization virginmedia.com
Date 2016-11-14 18:52 +0000

Cross-posted to 4 groups.

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On 14/11/16 18:37, Jeff Findley wrote:
> In article <hghWz.176740$2P.173948@fx38.am4>, spamjunk@blueyonder.co.uk
> says...
>>
>> On 14/11/16 11:02, Jeff Findley wrote:
>>> In article <0g2j2chkqnifba356q8ek0cvesu22mn07i@4ax.com>,
>>> fjmccall@gmail.com says...
>>>>
>>>> Tom Gardner <spamjunk@blueyonder.co.uk> wrote:
>>>>
>>>>> On 14/11/16 02:21, Fred J. McCall wrote:
>>>>>> jimp@specsol.spam.sux.com wrote:
>>>>>>
>>>>>>>
>>>>>>> Aircraft engines don't lift anything.
>>>>>>>
>>>>>>
>>>>>> Of course they do.  It's that whole Lift/Drag thing.  Remove the
>>>>>> engines and airplanes don't go up.
>>>>>
>>>>> Except when they do, and that can be higher than commercial
>>>>> airliners :)
>>>>> https://en.wikipedia.org/wiki/Flight_altitude_record#Gliders
>>>>>
>>>>
>>>> Gliders aren't airplanes and they don't get up there without something
>>>> with an engine.
>>>
>>> True.  Whether it is a tow plane (like seems common in the US), a motor
>>> on a winch for a cable launch (common in Europe, or so I'm told), or
>>> even "self tow" (engine or motor and propeller on the glider) a glider
>>> would have a hard time getting off the ground without some sort of
>>> engine/motor.
>>
>> False. See my other reply for videos of examples.
>
> "Gravity, bungees, and (in true Fred Flintstone style)
> horses are also used."
>
> In other words a bio-mechanical engine and to examples of converting
> potential energy to kinetic energy.  So, a glider still can't be
> launched without inputting some sort of energy which comes from
> somewhere.  I suppose a large headwind might suffice, if you like taking
> off backwards with respect to the ground.
>
>> (But in Europe winches are more common than tugs, and
>> a typical release height is 2kft, but higher is possible.
>> A normal tug release height is 2kft, sometimes 3kft)
>>
>>
>>> And before anyone mentions that a glider can stay aloft pretty much "all
>>> day" by riding thermals, yes it can.  But, if you're spending all day
>>> searching for the best thermals, you're not spending any time going from
>>> point A to point B, so they're not terribly useful as transportation.
>>
>> True, but they are a damn sight more fun :)
>>
>> (Besides, ISTR sailing ships seem to have been
>> used for transportation, even though they were
>> sometimes becalmed :) )
>
> Fun is not a practical transportation device.   It's awfully hard to get
> a glider to fly arbitrary routes thousands of miles long.  It's trivial
> with a jet airliner.

Sure, but what does that have to do with the original point,
viz "Remove the engines and airplanes don't go up."
The can, and do, go up - occasionally higher than commercial
airliners other than Concorde.

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Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-01 11:09 -0400
  Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-01 08:51 -0700
    Re: Ion drive for aircraft imminent. bitrex <bitrex@de.lete.earthlink.net> - 2016-11-01 14:27 -0400
      Re: Ion drive for aircraft imminent. krw <krw@nowhere.com> - 2016-11-01 22:01 -0400
    Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-03 09:16 -0400
      Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 08:33 -0700
        Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-04 07:29 -0400
          Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-04 07:35 -0400
            Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-04 12:20 -0700
              Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-06 12:23 -0500
                Re: Ion drive for aircraft imminent. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2016-11-06 16:28 -0500
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-13 19:13 -0700
  Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-01 10:06 -0700
    Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-01 10:20 -0700
      Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-01 11:24 -0700
        Re: Ion drive for aircraft imminent. Phil Hobbs <pcdhobbs@gmail.com> - 2016-11-01 14:41 -0700
          Re: Ion drive for aircraft imminent. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2016-11-01 14:53 -0700
            Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-01 15:09 -0700
            Re: Ion drive for aircraft imminent. George Herold <gherold@teachspin.com> - 2016-11-02 08:14 -0700
              Re: Ion drive for aircraft imminent. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2016-11-02 10:29 -0700
          Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-01 15:14 -0700
            Re: Ion drive for aircraft imminent. Clifford Heath <no.spam@please.net> - 2016-11-02 12:10 +1100
          Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-01 18:03 -0700
        Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-03 10:00 -0400
          Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-03 09:24 -0700
          Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-03 17:51 +0000
          Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-06 16:37 -0600
            Re: Ion drive for aircraft imminent. Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2016-11-07 02:28 +0100
            Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-08 11:03 -0500
              Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-08 11:17 -0600
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-08 17:53 +0000
                Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-13 12:09 -0500
                Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-13 12:04 -0600
                Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-13 20:34 -0500
                Re: Ion drive for aircraft imminent. tabbypurr@gmail.com - 2016-11-13 17:50 -0800
                Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-13 20:12 -0600
              Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-08 17:37 +0000
                Re: Ion drive for aircraft imminent. kevin93 <kevin@whitedigs.com> - 2016-11-08 15:07 -0800
                Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-08 18:43 -0500
                Re: Ion drive for aircraft imminent. mike <ham789@netzero.net> - 2016-11-08 16:19 -0800
                Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-08 19:43 -0500
                Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-13 10:53 -0500
                Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-13 12:09 -0600
      Re: Ion drive for aircraft imminent. John S <Sophi.2@invalid.org> - 2016-11-03 05:58 -0500
        Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 08:35 -0700
          Re: Ion drive for aircraft imminent. Martin Brown <|||newspam|||@nezumi.demon.co.uk> - 2016-11-03 17:26 +0000
          Re: Ion drive for aircraft imminent. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2016-11-03 11:01 -0700
      Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-03 09:48 -0400
        Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 08:41 -0700
          Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-03 12:22 -0500
            Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-03 10:45 -0700
            Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-04 16:09 -0400
              Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-04 21:09 +0000
                Re: Ion drive for aircraft imminent. Phil Hobbs <pcdhobbs@gmail.com> - 2016-11-04 14:28 -0700
          Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-07 07:29 -0500
            Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-07 18:37 +0000
              Re: Ion drive for aircraft imminent. Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2016-11-07 15:31 -0500
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-07 21:46 +0000
                Re: Ion drive for aircraft imminent. Lasse Langwadt Christensen <langwadt@fonz.dk> - 2016-11-07 14:40 -0800
                Re: Ion drive for aircraft imminent. mike <ham789@netzero.net> - 2016-11-07 18:18 -0800
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-08 03:39 +0000
                Re: Ion drive for aircraft imminent. mike <ham789@netzero.net> - 2016-11-07 20:51 -0800
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-08 07:13 +0000
                Re: Ion drive for aircraft imminent. krw <krw@nowhere.com> - 2016-11-08 12:28 -0500
                Re: Ion drive for aircraft imminent. mike <ham789@netzero.net> - 2016-11-08 13:33 -0800
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-08 22:05 +0000
                Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-08 18:45 -0500
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-09 00:13 +0000
                Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-08 19:46 -0500
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-09 01:05 +0000
                Re: Ion drive for aircraft imminent. Rick Jones <rick.jones2@hpe.com> - 2016-11-09 18:26 +0000
                Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-09 20:03 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-13 19:21 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 08:40 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 02:55 -0700
                Re: Ion drive for aircraft imminent. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2016-11-14 06:02 -0500
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 11:31 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 05:54 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 13:47 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 12:35 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-15 00:04 +0000
                Re: Ion drive for aircraft imminent. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2016-11-14 13:37 -0500
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 18:52 +0000
                Re: Ion drive for aircraft imminent. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2016-11-14 14:56 -0500
                Re: Ion drive for aircraft imminent. Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-11-14 13:17 -0700
                Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-14 12:53 -0600
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 19:19 +0000
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 18:57 +0000
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 11:27 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 05:52 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 13:56 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 12:47 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-14 23:58 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-14 22:07 -0700
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-14 22:09 -0800
                Re: Ion drive for aircraft imminent. Alain Fournier <alain245@videotron.ca> - 2016-11-15 20:34 -0500
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-15 18:01 -0800
                Re: Ion drive for aircraft imminent. tabbypurr@gmail.com - 2016-11-15 18:59 -0800
                Re: Ion drive for aircraft imminent. Jasen Betts <jasen@xnet.co.nz> - 2016-11-16 04:33 +0000
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-16 02:52 -0800
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-15 21:42 -0700
                Re: Ion drive for aircraft imminent. Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-16 09:05 +0000
                Re: Ion drive for aircraft imminent. Fred J. McCall <fjmccall@gmail.com> - 2016-11-16 02:13 -0700
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-16 03:02 -0800
                Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-16 20:32 -0500
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-16 02:46 -0800
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-14 17:30 -0800
                Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-14 04:08 -0800
        Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-03 17:49 +0000
          Re: Ion drive for aircraft imminent. mrdarrett@gmail.com - 2016-11-03 11:18 -0700
        Re: Ion drive for aircraft imminent. Bill Beaty <billb@eskimo.com> - 2016-11-06 22:19 -0800
    Re: Ion drive for aircraft imminent. Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2016-11-01 10:36 -0700
    Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-03 09:28 -0400
  Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-01 18:19 +0000
    Re: Ion drive for aircraft imminent. John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-01 14:13 -0700
      Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-02 00:00 +0000
        Re: Ion drive for aircraft imminent. krw <krw@nowhere.com> - 2016-11-01 22:05 -0400
          Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-02 02:54 +0000
            Re: Ion drive for aircraft imminent. krw <krw@nowhere.com> - 2016-11-02 20:20 -0400
              Re: Ion drive for aircraft imminent. Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2016-11-03 02:24 +0100
              Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-03 02:02 +0000
              Re: Ion drive for aircraft imminent. "Sea Wasp (Ryk E. Spoor)" <seawasp@sgeinc.invalid.com> - 2016-11-03 07:41 -0400
      Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-01 19:10 -0500
        Re: Ion drive for aircraft imminent. krw <krw@nowhere.com> - 2016-11-01 22:06 -0400
        Re: Ion drive for aircraft imminent. Jeff Liebermann <jeffl@cruzio.com> - 2016-11-01 19:12 -0700
        Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-02 02:57 +0000
        Re: Ion drive for aircraft imminent. bill.sloman@ieee.org - 2016-11-01 20:38 -0700
      Re: Ion drive for aircraft imminent. tabbypurr@gmail.com - 2016-11-01 20:40 -0700
        Re: Ion drive for aircraft imminent. Phil Hobbs <pcdhobbs@gmail.com> - 2016-11-02 18:03 -0700
      Re: Ion drive for aircraft imminent. Ingvald44 <noone@nowhere.com> - 2016-11-04 12:33 -0400
  Re: Ion drive for aircraft imminent. Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-11-01 14:24 -0700
    Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-03 10:35 -0400
      Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-03 17:39 +0000
        Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-06 13:12 -0500
          Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-06 19:54 +0000
      Re: Ion drive for aircraft imminent. Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-11-03 11:37 -0700
  Re: Ion drive for aircraft imminent. Yuri Kreaton <invlaid@invalid.com> - 2016-11-01 19:08 -0500
  Re: Ion drive for aircraft imminent. Robert Baer <robertbaer@localnet.com> - 2016-11-02 00:33 -0800
    Re: Ion drive for aircraft imminent. mike <ham789@netzero.net> - 2016-11-03 01:05 -0700
      Re: Ion drive for aircraft imminent. jimp@specsol.spam.sux.com - 2016-11-03 17:43 +0000
    Re: Ion drive for aircraft imminent. "Robert Clark" <rgregoryclark@gmSPAMBLOACKail.com> - 2016-11-04 15:38 -0400
  Re: Ion drive for aircraft imminent. Bill Martin <wwm@wwmartin.net> - 2016-11-02 11:47 -0700
  Re: Ion drive for aircraft imminent. jack4747@gmail.com - 2016-11-08 06:17 -0800
    Re: Ion drive for aircraft imminent. Ralph Barone <ralph@invalid.com> - 2016-11-08 15:21 +0000
      Re: Ion drive for aircraft imminent. krw <krw@somewhere.com> - 2016-11-08 18:48 -0500

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