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11-27-2013

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09-26-2017 1:16 AM

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  • Posted in thread: Rubber powered over-the-barrel shooter on 09-18-2017 at 04:08 PM
    Hello World,here I go again. A while ago I made a post about a rubber powered blowgun:
    yesterday I saw Jörgs new Video with his new small shooter:
    https://youtu.be/cZdsyj9zZM0?t=9m7s.And suddenly wh...

  • Posted in thread: Supersonic projectile on 09-17-2017 at 07:50 AM
    Hey Jörg,have you ever thought about trying to create a supersonic launcher? I personally find
    this a pretty interesting challenge, as we all know there are some serious mechanical problems
    one has to...

  • Posted in thread: Supersonic projectile on 09-16-2017 at 07:51 AM
    Dear drmax24,because I used to think about such designs by myself when I was younger, and
    because you show some serious interest in this, I sat down and did some quick
    calculations.While the design do...

  • Posted in thread: Pressure Cartriges for the 1000 joule Rifle on 09-16-2017 at 06:40 AM
    I know that such systems exist, at least in Germany. We call them Luftdruckenergiepartonen (or
    short LEP).But they never really proofed itself against the "normal" commercially available
    airguns. They...

  • Posted in thread: The Longest Slingshot Ever on 09-13-2017 at 03:53 PM
    Guys I know, I studied physics and had to graduate in material science :)A rubber band can't
    reach velocity higher than a material-specific constant (which is definetely!!! lower than the
    internal spe...

  • Posted in thread: The Longest Slingshot Ever on 09-13-2017 at 08:31 AM
    So my huge cannon (that will air Oct. 1st, on Kabel1, at 22:25
    https://www.fernsehserien.de/abenteuer-leben/sendetermine/kabel-eins/01.10.2017-22:25-Uhr )
    uses 44 full width TBG bands, 2,7 meters long...

  • Posted in thread: The Longest Slingshot Ever on 09-12-2017 at 07:17 AM
    Yeah those rubber rings are definetely not as high quality as thera band.If you use the full
    22,5 meter roll, your draw would be 112,5 meters. That is certainly more than needed for
    serious slingshot ...

  • Posted in thread: The Longest Slingshot Ever on 09-11-2017 at 11:14 AM
    I don't really see which weight you are talking about. The weight of the rubber chain? Well
    according to the manufacturer, 1000g of these rubber rings equals about 5800 pieces. They have
    a diameter of...

  • Posted in thread: The Longest Slingshot Ever on 09-10-2017 at 08:13 PM
    Hello World,when I recently saw your "Wilma" video Jörg, I was instantly remembered of good old
    times. While laying in bed and just beginning to sleep at night, I then had some kind of
    "flashback" of ...

  • Posted in thread: Rubber powered blowgun on 06-09-2017 at 02:23 PM
    But then I'd have to make it fixed mounted (non portable) and only do tests from very close
    distances. Wouldn't be very exciting. The supersonic lego video was a dud, getting very few
    views... that is...

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