Big crowbar module for <4VDC?
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From: Phil Hobbs on 19 Dec 2008 16:59 Joerg wrote: > Phil Hobbs wrote: >> Jim Thompson wrote: >> >>> [snip] >>> >>> Your numbers match up to mine, protecting a 5V/20A system. >>> >>> I saw about a 1000A pulse, only sound was like a faint "click". >>> >>> High speed video of the fuse showed the whole segment vaporizing in >>> ~1usec ;-) >> >> Egg-nog overdose alert! What sort of video system was that, exactly? >> 10^6 frames per second and what, 1000 frames or more? >> > > Check out this series: > http://www.dubtronic.de/galerie/1280/36/s_003.html > > He did that on his kitchen table, gun and all! > > http://www.dubtronic.de/galerie/1280/36/s_014.html > > [...] > Very Edgertonesque, except that that's a pellet gun--they don't let them have real firearms over there anymore, I gather. Cheers, Phil Hobbs
From: Phil Hobbs on 19 Dec 2008 17:01 Jim Thompson wrote: > On Fri, 19 Dec 2008 16:41:32 -0500, Phil Hobbs > <pcdhSpamMeSenseless(a)electrooptical.net> wrote: > >> Jim Thompson wrote: >> >>> [snip] >>> >>> Your numbers match up to mine, protecting a 5V/20A system. >>> >>> I saw about a 1000A pulse, only sound was like a faint "click". >>> >>> High speed video of the fuse showed the whole segment vaporizing in >>> ~1usec ;-) >> Egg-nog overdose alert! What sort of video system was that, exactly? >> 10^6 frames per second and what, 1000 frames or more? >> >>> Slow-blow fuses are for fairies and leftist weenies ;-) >>> >>> ...Jim >> Cheers, >> >> Phil Hobbs > > Smear camera. Actual break time was measured electrically. Video > showed... now you see it... now you see it glow... now you see Rudolph > gone ;-) > > ...Jim Thompson Okay, understood. Optics people don't call streak cameras 'video'. ;) You have my official permission to have another eggnog. Cheers, Phil Hobbs
From: Jim Thompson on 19 Dec 2008 17:02 On Fri, 19 Dec 2008 13:49:28 -0800, Joerg <notthisjoergsch(a)removethispacbell.net> wrote: >Phil Hobbs wrote: >> Jim Thompson wrote: >> >>> [snip] >>> >>> Your numbers match up to mine, protecting a 5V/20A system. >>> >>> I saw about a 1000A pulse, only sound was like a faint "click". >>> >>> High speed video of the fuse showed the whole segment vaporizing in >>> ~1usec ;-) >> >> Egg-nog overdose alert! What sort of video system was that, exactly? >> 10^6 frames per second and what, 1000 frames or more? >> > >Check out this series: >http://www.dubtronic.de/galerie/1280/36/s_003.html > >He did that on his kitchen table, gun and all! > >http://www.dubtronic.de/galerie/1280/36/s_014.html > >[...] My wife worked for Doc Edgerton while I was a student at MIT. ...Jim Thompson -- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine Sometimes I even put it in the food
From: Joerg on 19 Dec 2008 17:06 Phil Hobbs wrote: > Joerg wrote: >> Phil Hobbs wrote: >>> Jim Thompson wrote: >>> >>>> [snip] >>>> >>>> Your numbers match up to mine, protecting a 5V/20A system. >>>> >>>> I saw about a 1000A pulse, only sound was like a faint "click". >>>> >>>> High speed video of the fuse showed the whole segment vaporizing in >>>> ~1usec ;-) >>> >>> Egg-nog overdose alert! What sort of video system was that, exactly? >>> 10^6 frames per second and what, 1000 frames or more? >>> >> >> Check out this series: >> http://www.dubtronic.de/galerie/1280/36/s_003.html >> >> He did that on his kitchen table, gun and all! >> >> http://www.dubtronic.de/galerie/1280/36/s_014.html >> >> [...] >> > > > Very Edgertonesque, except that that's a pellet gun--they don't let them > have real firearms over there anymore, I gather. > Oh, they've got some real rifles there, too: http://www.dubtronic.de/galerie/1280/57/i.html I've used a range in Germany with a friend. But you do need a license. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Joerg on 19 Dec 2008 17:09
Jim Thompson wrote: > On Fri, 19 Dec 2008 13:49:28 -0800, Joerg > <notthisjoergsch(a)removethispacbell.net> wrote: > >> Phil Hobbs wrote: >>> Jim Thompson wrote: >>> >>>> [snip] >>>> >>>> Your numbers match up to mine, protecting a 5V/20A system. >>>> >>>> I saw about a 1000A pulse, only sound was like a faint "click". >>>> >>>> High speed video of the fuse showed the whole segment vaporizing in >>>> ~1usec ;-) >>> Egg-nog overdose alert! What sort of video system was that, exactly? >>> 10^6 frames per second and what, 1000 frames or more? >>> >> Check out this series: >> http://www.dubtronic.de/galerie/1280/36/s_003.html >> >> He did that on his kitchen table, gun and all! >> >> http://www.dubtronic.de/galerie/1280/36/s_014.html >> >> [...] > > My wife worked for Doc Edgerton while I was a student at MIT. > Doc must have been one of the greatest professors ever. -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM. |