• OT: some electronics for a speed controlled electromagnetic gun

    From Jan Panteltje@21:1/5 to All on Fri Jun 14 03:13:16 2024
    New dart launcher may be better way to inject animals with drugs Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Fri Jun 14 09:21:24 2024
    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    New dart launcher may be better way to inject animals with drugs >Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jan Panteltje@21:1/5 to jl@650pot.com on Sat Jun 15 05:57:23 2024
    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin <jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    New dart launcher may be better way to inject animals with drugs >>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    China just did a sample return from the backside of the moon.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Sat Jun 15 07:55:40 2024
    On Sat, 15 Jun 2024 05:57:23 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin ><jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid> >>wrote:

    New dart launcher may be better way to inject animals with drugs >>>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    Aside from being ugly, at least three things.


    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    That's fine, since the US never was an empire. But we did mostly
    conquer the world by being what other people want to be.

    Use Street View all over the world. Most places look like a suburb of
    Houston.


    China just did a sample return from the backside of the moon.

    Why?

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Cursitor Doom@21:1/5 to john larkin on Sat Jun 15 23:09:42 2024
    On Sat, 15 Jun 2024 07:55:40 -0700, john larkin <jl@650pot.com> wrote:

    On Sat, 15 Jun 2024 05:57:23 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin >><jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid> >>>wrote:

    New dart launcher may be better way to inject animals with drugs >>>>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    Aside from being ugly, at least three things.


    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    That's fine, since the US never was an empire. But we did mostly
    conquer the world by being what other people want to be.

    You were doing good up until some evil bastards mounted a stealth
    takeover. Now you have some demented freak as president who can barely
    contain his bowel movements who does everything the deep state tells
    him to. Stick a piece of paper under his nose and he'll sign it
    regardless of what it says.
    You don't see the same coverage of Diaper Joe in the US as the rest of
    the world sees. I can tell you now the unsanitised version ain't
    pretty. Diaper Joe and his crack-head son have made America the
    laughing stock of the world.



    Use Street View all over the world. Most places look like a suburb of >Houston.


    China just did a sample return from the backside of the moon.

    Why?

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jan Panteltje@21:1/5 to jl@650pot.com on Sun Jun 16 05:15:41 2024
    On a sunny day (Sat, 15 Jun 2024 07:55:40 -0700) it happened john larkin <jl@650pot.com> wrote in <mjar6jtpa9o9thp9pvhlolqdu3hiemqumv@4ax.com>:

    On Sat, 15 Jun 2024 05:57:23 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin >><jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid> >>>wrote:

    New dart launcher may be better way to inject animals with drugs >>>>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    Aside from being ugly, at least three things.

    Name them!!!



    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    That's fine, since the US never was an empire. But we did mostly
    conquer the world by being what other people want to be.

    Use Street View all over the world. Most places look like a suburb of >Houston.


    China just did a sample return from the backside of the moon.

    Why?

    Human beings have curiosity
    that is how we evolve.
    The sample will teach us about how our universe (forming of the Moon specfically) happened.
    And if we can have a permanent base there, say as an in-between stop for further exploration of space.
    Later, when US astronuts land on Mars (if ever) they will find Chinese restaurants there
    and they better bring some Chinese currency so they can pay forlanding rights and food.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Sun Jun 16 06:56:50 2024
    On Sun, 16 Jun 2024 05:15:41 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Sat, 15 Jun 2024 07:55:40 -0700) it happened john larkin ><jl@650pot.com> wrote in <mjar6jtpa9o9thp9pvhlolqdu3hiemqumv@4ax.com>:

    On Sat, 15 Jun 2024 05:57:23 GMT, Jan Panteltje <alien@comet.invalid> >>wrote:

    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin >>><jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid> >>>>wrote:

    New dart launcher may be better way to inject animals with drugs >>>>>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    Aside from being ugly, at least three things.

    Name them!!!

    Am I the only person here who designs electronics? Sigh, OK.

    The resistive voltage divider R2 R3 wastes voltage and power.

    The SCR high-side switch is crazy for several reasons.

    The optocoupler into the second dc/dc converter makes no sense and is
    probably unreliable.

    Why do some people use optocouplers where both the input and output
    are grounded? It becomes a low-beta NPN transisor.

    Why switch only the second dc/dc converter?




    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    That's fine, since the US never was an empire. But we did mostly
    conquer the world by being what other people want to be.

    Use Street View all over the world. Most places look like a suburb of >>Houston.


    China just did a sample return from the backside of the moon.

    Why?

    Human beings have curiosity
    that is how we evolve.
    The sample will teach us about how our universe (forming of the Moon specfically) happened.

    We already have lots of moon dirt. It's not very interesting. The
    Chinese thing is a political stunt. An expensive one.

    Why would dirt from the farside of he moon be any different from the
    rest of the moon dirt?

    And if we can have a permanent base there, say as an in-between stop for further exploration of space.

    Space is mostly vacuum. Why do we need to kill humans to "explore"
    vacuum?

    Later, when US astronuts land on Mars (if ever) they will find Chinese restaurants there
    and they better bring some Chinese currency so they can pay forlanding rights and food.


    A recent study suggests that people who go to Mars will have kidney
    damage.

    https://www.sciencedaily.com/releases/2024/06/240611130413.htm

    Humans in space make no sense.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jan Panteltje@21:1/5 to jl@650pot.com on Sun Jun 16 15:06:01 2024
    On a sunny day (Sun, 16 Jun 2024 06:56:50 -0700) it happened john larkin <jl@650pot.com> wrote in <7nqt6j1uoakdnnqk37bvlj5vss03damatg@4ax.com>:

    On Sun, 16 Jun 2024 05:15:41 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    On a sunny day (Sat, 15 Jun 2024 07:55:40 -0700) it happened john larkin >><jl@650pot.com> wrote in <mjar6jtpa9o9thp9pvhlolqdu3hiemqumv@4ax.com>:

    On Sat, 15 Jun 2024 05:57:23 GMT, Jan Panteltje <alien@comet.invalid> >>>wrote:

    On a sunny day (Fri, 14 Jun 2024 09:21:24 -0700) it happened john larkin >>>><jl@650pot.com> wrote in <dero6j1eempndp4h10029un6kfp75kfna6@4ax.com>:

    On Fri, 14 Jun 2024 03:13:16 GMT, Jan Panteltje <alien@comet.invalid> >>>>>wrote:

    New dart launcher may be better way to inject animals with drugs >>>>>>Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69

    Fig 6 is horrible.

    Hardly anybody does good circuit design these days.

    Are you sure you understand the circuit?
    What is wrong with it according to you?

    Aside from being ugly, at least three things.

    Name them!!!

    Am I the only person here who designs electronics? Sigh, OK.

    ego shows


    The resistive voltage divider R2 R3 wastes voltage and power.

    Well, I guess they need to limit voltage on the 1000 uF caps
    Also it does a nice capacitor discharge when not in use.




    The SCR high-side switch is crazy for several reasons.

    Yes it could probably be done simpler with SCR cathode connect to ground.



    The optocoupler into the second dc/dc converter makes no sense and is >probably unreliable.

    Na, optos are reliable.

    I do not know where 'CHARGE' is connected to?


    Why do some people use optocouplers where both the input and output
    are grounded? It becomes a low-beta NPN transisor.

    Why switch only the second dc/dc converter?

    Maybe they need the 12V for something?
    Trigger?

    As to bad design, astronauts now stuck on the ISS because the Boeing return module is defective.
    Billions they did spend of tax money
    US becoming more and more a lost empire...

    That's fine, since the US never was an empire. But we did mostly
    conquer the world by being what other people want to be.

    Use Street View all over the world. Most places look like a suburb of >>>Houston.


    China just did a sample return from the backside of the moon.

    Why?

    Human beings have curiosity
    that is how we evolve.
    The sample will teach us about how our universe (forming of the Moon specfically) happened.

    We already have lots of moon dirt. It's not very interesting. The
    Chinese thing is a political stunt. An expensive one.

    No, we have only moon dust from the front side of the moon.
    It seems the backside is quite different.
    The recent US moon probe crashed....


    Why would dirt from the farside of he moon be any different from the
    rest of the moon dirt?

    And if we can have a permanent base there, say as an in-between stop for further exploration of space.

    Space is mostly vacuum. Why do we need to kill humans to "explore"
    vacuum?

    Large parts of the earth will become inhabitable due to climate change
    humans will need to 'get out of this place' if they want their species to persist.
    Satellites of other planets, maybe even other planets, or even other solar systems..


    Later, when US astronuts land on Mars (if ever) they will find Chinese restaurants there
    and they better bring some Chinese currency so they can pay forlanding rights and food.


    A recent study suggests that people who go to Mars will have kidney
    damage.

    https://www.sciencedaily.com/releases/2024/06/240611130413.htm

    I did read that.
    And long time in no-gravity conditions causes muscle degeneration
    so maybe this species is doomed.. (in the end it likely will be)
    If the half senile nutcase byethen persist his war mongering a
    bit of radioactivity from the nuking in WW3 may cause more damage
    than a few weeks trip on a Chinese? rocket to a safer place in space.


    Humans in space make no sense.

    Driving around in the ISS is like driving around the block no end,
    with that spirit Columbus would not have left Europe....

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Phil Hobbs@21:1/5 to john larkin on Sun Jun 16 17:47:43 2024
    john larkin <jl@650pot.com> wrote:
    <sniiip>

    Humans in space make no sense.


    Most of us don’t make that much down here either. ;)

    Cheers

    Phil Hobbs


    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to pcdhSpamMeSenseless@electrooptical. on Sun Jun 16 11:38:42 2024
    On Sun, 16 Jun 2024 17:47:43 -0000 (UTC), Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:

    john larkin <jl@650pot.com> wrote:
    <sniiip>

    Humans in space make no sense.


    Most of us don’t make that much down here either. ;)

    Cheers

    Phil Hobbs

    1000 years ago 80% of the population was farmers who barely grew
    enough to survive. Clothes were so valuable that people were killed
    for theirs. Most people were illiterate and lived in the dark when the
    sun went down.

    Progress has made us so efficient that probably 80% of the
    developed-world population now has zero net productivity.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Phil Hobbs@21:1/5 to john larkin on Sun Jun 16 19:30:32 2024
    john larkin <jl@650pot.com> wrote:
    On Sun, 16 Jun 2024 17:47:43 -0000 (UTC), Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:

    john larkin <jl@650pot.com> wrote:
    <sniiip>

    Humans in space make no sense.


    Most of us donÂ’t make that much down here either. ;)

    Cheers

    Phil Hobbs

    1000 years ago 80% of the population was farmers who barely grew
    enough to survive. Clothes were so valuable that people were killed
    for theirs. Most people were illiterate and lived in the dark when the
    sun went down.

    Progress has made us so efficient that probably 80% of the
    developed-world population now has zero net productivity.

    Well, given that 100% of what gets counted as productivity is devoted to
    things that quickly pass away, it’s hard to get too worked up about that.

    Materialism (of either the philosophical or the vernacular sort) ends in futility.(*)

    Cheers

    Phil “ray of sunshine” Hobbs

    (*) Fortunately, both kinds are mistaken.



    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to pcdhSpamMeSenseless@electrooptical. on Sun Jun 16 13:35:45 2024
    On Sun, 16 Jun 2024 19:30:32 -0000 (UTC), Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:

    john larkin <jl@650pot.com> wrote:
    On Sun, 16 Jun 2024 17:47:43 -0000 (UTC), Phil Hobbs
    <pcdhSpamMeSenseless@electrooptical.net> wrote:

    john larkin <jl@650pot.com> wrote:
    <sniiip>

    Humans in space make no sense.


    Most of us don?t make that much down here either. ;)

    Cheers

    Phil Hobbs

    1000 years ago 80% of the population was farmers who barely grew
    enough to survive. Clothes were so valuable that people were killed
    for theirs. Most people were illiterate and lived in the dark when the
    sun went down.

    Progress has made us so efficient that probably 80% of the
    developed-world population now has zero net productivity.

    Well, given that 100% of what gets counted as productivity is devoted to >things that quickly pass away, it’s hard to get too worked up about that.

    Materialism (of either the philosophical or the vernacular sort) ends in >futility.(*)

    Cheers

    Phil “ray of sunshine” Hobbs

    (*) Fortunately, both kinds are mistaken.

    Well, people do like food, energy, shelter, and transportation.
    Material things. I'd guess that 20% of our population makes that
    stuff.

    The rest, entertainment and fancy cooking and legal services and art
    and music and most government and most education is kinda luxuries.

    Medicine is a big biz and mostly worth it.

    Electronic design is maybe half fluff these days, entertainment.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jeff Liebermann@21:1/5 to john larkin on Sun Jun 16 15:48:09 2024
    On Sun, 16 Jun 2024 11:38:42 -0700, john larkin <jl@650pot.com> wrote:

    1000 years ago 80% of the population was farmers who barely grew
    enough to survive.

    Those farmers might have been starving, but they had resources. For
    example, they could grow a large family and sell off the kids if they
    have a bad harvest. They could organize a mob and pillage the
    neighbors crops. Every culture has a festival to mark the beginning
    of the harvest season, which oddly coincides with the beginning of the pillaging season.

    Clothes were so valuable that people were killed
    for theirs.

    That's a rather high price to pay for wearing the latest fashions. Unfortunately, little has changed over the last 1000 years:
    "BEWARE AND BE SAFE !!! SNEAKERS GETTING ROBBED / STOLEN" <https://www.youtube.com/watch?v=4LHrCLiMKZQ>

    Most people were illiterate

    Today, people are more literate but continue to do stupid things.
    Literacy is not a good substitute for intelligence or a cure for
    stupidity.

    and lived in the dark when the sun went down.

    That would be the dark ages. They didn't last long to do much real
    damage. Also, we still have regular planned power outage holidays to
    remind us of those days. Here's a map of California showing past PSPS
    (Public Safety Power Shutoff) events.

    Progress has made us so efficient that probably 80% of the
    developed-world population now has zero net productivity.

    In FY 2023 the IRS processed 162 million individual tax returns.
    That's out of a total population of 333 million. Subtract 74.4
    million children age 0 to 17, most of whom are not required to file a
    return:
    162 / (333 - 74.4) = 63% of US adult population is productive
    or
    100 - 63 = 37% are non-productive.


    --
    Jeff Liebermann jeffl@cruzio.com
    PO Box 272 http://www.LearnByDestroying.com
    Ben Lomond CA 95005-0272
    Skype: JeffLiebermann AE6KS 831-336-2558

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Sun Jun 16 16:58:47 2024
    On Sun, 16 Jun 2024 15:48:09 -0700, Jeff Liebermann <jeffl@cruzio.com>
    wrote:

    On Sun, 16 Jun 2024 11:38:42 -0700, john larkin <jl@650pot.com> wrote:

    1000 years ago 80% of the population was farmers who barely grew
    enough to survive.

    Those farmers might have been starving, but they had resources. For
    example, they could grow a large family and sell off the kids if they
    have a bad harvest. They could organize a mob and pillage the
    neighbors crops. Every culture has a festival to mark the beginning
    of the harvest season, which oddly coincides with the beginning of the >pillaging season.

    Clothes were so valuable that people were killed
    for theirs.

    That's a rather high price to pay for wearing the latest fashions. >Unfortunately, little has changed over the last 1000 years:
    "BEWARE AND BE SAFE !!! SNEAKERS GETTING ROBBED / STOLEN" ><https://www.youtube.com/watch?v=4LHrCLiMKZQ>

    Most people were illiterate

    Today, people are more literate but continue to do stupid things.
    Literacy is not a good substitute for intelligence or a cure for
    stupidity.

    and lived in the dark when the sun went down.

    That would be the dark ages.

    Nearly all ages until most people could afford gas and then
    electricity. Even tallow candles were too expensive for most folk, and
    fat/oil was for cooling and eating, not burning.

    https://www.amazon.com/World-Lit-Only-Fire-Renaissance/dp/0316545562

    They didn't last long to do much real
    damage. Also, we still have regular planned power outage holidays to
    remind us of those days. Here's a map of California showing past PSPS >(Public Safety Power Shutoff) events.

    Progress has made us so efficient that probably 80% of the
    developed-world population now has zero net productivity.

    In FY 2023 the IRS processed 162 million individual tax returns.
    That's out of a total population of 333 million. Subtract 74.4
    million children age 0 to 17, most of whom are not required to file a
    return:
    162 / (333 - 74.4) = 63% of US adult population is productive
    or
    100 - 63 = 37% are non-productive.

    Just being paid doesn't mean people are productive.

    Retired people, and people with passive incomes, and useless people
    pay taxes too.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Lasse Langwadt@21:1/5 to Jan Panteltje on Mon Jun 17 21:55:35 2024
    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Mon Jun 17 13:21:21 2024
    On Mon, 17 Jun 2024 21:55:35 +0200, Lasse Langwadt <llc@fonz.dk>
    wrote:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That's hilarious. A tumbling dowel pin at 200 feet/sec. That might not
    even break skin.

    Imagine that in a battle with even a .22 rifle. A .22LR is about 1200
    f/sec and the rounds arrive pointy-end first.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Lasse Langwadt@21:1/5 to john larkin on Tue Jun 18 01:02:28 2024
    On 6/17/24 22:21, john larkin wrote:
    On Mon, 17 Jun 2024 21:55:35 +0200, Lasse Langwadt <llc@fonz.dk>
    wrote:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That's hilarious. A tumbling dowel pin at 200 feet/sec. That might not
    even break skin.

    Imagine that in a battle with even a .22 rifle. A .22LR is about 1200
    f/sec and the rounds arrive pointy-end first.


    sure it is a toy made with random development boards and 3D printed
    plastic, but everything has to start somewhere

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From john larkin@21:1/5 to All on Mon Jun 17 19:10:40 2024
    On Tue, 18 Jun 2024 01:02:28 +0200, Lasse Langwadt <llc@fonz.dk>
    wrote:

    On 6/17/24 22:21, john larkin wrote:
    On Mon, 17 Jun 2024 21:55:35 +0200, Lasse Langwadt <llc@fonz.dk>
    wrote:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That's hilarious. A tumbling dowel pin at 200 feet/sec. That might not
    even break skin.

    Imagine that in a battle with even a .22 rifle. A .22LR is about 1200
    f/sec and the rounds arrive pointy-end first.


    sure it is a toy made with random development boards and 3D printed
    plastic, but everything has to start somewhere

    It reminds me of a rail gun. Gunpowder packs a lot more energy per
    volume or mass than capacitors. A lot.

    As gasoline packs a lot more energy than batteries.

    I wonder why that animal injector thing doesn't just use a spring. I
    have a blood sample lancet thing that has a spring; it works fine.
    It's cheap and no batteries are required.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jan Panteltje@21:1/5 to llc@fonz.dk on Tue Jun 18 05:15:08 2024
    On a sunny day (Mon, 17 Jun 2024 21:55:35 +0200) it happened Lasse Langwadt <llc@fonz.dk> wrote in <v4q4bn$t3nl$1@dont-email.me>:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That is very nice!
    I tried a simpe multy coil long time ago, with photo-cells.
    But this guy and his 3D printing work, and so many other improvements..
    Amazing
    I have a power laser now as weapon in case byethen invades here...
    https://panteltje.nl/pub/laser_propulsion_test_1_IXIMG_0856.JPG
    You just blind the target and then get it.
    There is actually a small recoil force...
    hard to tell the differnce between force due to magnetic effects.
    but you can make the thing swing if pulsed in the right frequency.
    Did burn a hole in the box through..
    https://panteltje.nl/pub/1_1_2021_blue_laser_1.gif
    You can screw on filters to project things like star patterns etc..

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Cursitor Doom@21:1/5 to Jan Panteltje on Wed Jun 19 22:39:08 2024
    On Tue, 18 Jun 2024 05:15:08 GMT, Jan Panteltje wrote:

    On a sunny day (Mon, 17 Jun 2024 21:55:35 +0200) it happened Lasse
    Langwadt <llc@fonz.dk> wrote in <v4q4bn$t3nl$1@dont-email.me>:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That is very nice!
    I tried a simpe multy coil long time ago, with photo-cells.
    But this guy and his 3D printing work, and so many other improvements.. Amazing I have a power laser now as weapon in case byethen invades
    here...
    https://panteltje.nl/pub/laser_propulsion_test_1_IXIMG_0856.JPG
    You just blind the target and then get it.
    There is actually a small recoil force...
    hard to tell the differnce between force due to magnetic effects.
    but you can make the thing swing if pulsed in the right frequency.
    Did burn a hole in the box through..
    https://panteltje.nl/pub/1_1_2021_blue_laser_1.gif
    You can screw on filters to project things like star patterns etc..

    You could use a lower power green laser of say 10mW to temporarily blind
    your assailant instead, Jan. That blue one you have there is pretty
    extreme for neutralising a wouldbe thief and would probably burn through
    half his brain as well!

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Jan Panteltje@21:1/5 to Doom on Thu Jun 20 05:11:44 2024
    On a sunny day (Wed, 19 Jun 2024 22:39:08 -0000 (UTC)) it happened Cursitor Doom <cd999666@notformail.com> wrote in <v4vmmc$22nbj$7@dont-email.me>:

    On Tue, 18 Jun 2024 05:15:08 GMT, Jan Panteltje wrote:

    On a sunny day (Mon, 17 Jun 2024 21:55:35 +0200) it happened Lasse
    Langwadt <llc@fonz.dk> wrote in <v4q4bn$t3nl$1@dont-email.me>:

    On 6/14/24 05:13, Jan Panteltje wrote:
    New dart launcher may be better way to inject animals with drugs
    Electromagnetic prototype could improve manufacturing
    https://www.sciencedaily.com/releases/2024/06/240613161144.htm

    Here the circuit etc..:
    https://www.mdpi.com/2227-7080/12/5/69


    https://youtu.be/EwHRjgVWFno?si=xQD0dEz5Qsigfe1E ;)

    That is very nice!
    I tried a simpe multy coil long time ago, with photo-cells.
    But this guy and his 3D printing work, and so many other improvements..
    Amazing I have a power laser now as weapon in case byethen invades
    here...
    https://panteltje.nl/pub/laser_propulsion_test_1_IXIMG_0856.JPG
    You just blind the target and then get it.
    There is actually a small recoil force...
    hard to tell the differnce between force due to magnetic effects.
    but you can make the thing swing if pulsed in the right frequency.
    Did burn a hole in the box through..
    https://panteltje.nl/pub/1_1_2021_blue_laser_1.gif
    You can screw on filters to project things like star patterns etc..

    You could use a lower power green laser of say 10mW to temporarily blind
    your assailant instead, Jan. That blue one you have there is pretty
    extreme for neutralising a wouldbe thief and would probably burn through
    half his brain as well!

    Na, it is not that powerful, takes a few seconds to burn through cardboard.
    But you can get plenty more powerful laser diodes on ebay for a few dollies eeeeh dolders, ah $$.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)