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Pipe bugs... way cool.

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Unread postAuthor: Lentamentalisk » Sun Jan 18, 2009 2:37 am

Berkeley High, not Cal, but ya...
It was rather entertaining, I must say. If the poster people had kept doing it for a few more days it would have ended up in our school newspaper (I am a photographer for it, so I get the inside scoop.)

Of course there is the simple answer to how did they get (up) so high: Its Berkeley, everyone is high. :)
Actually not, though there definately is a higher percentage here than in other places...


At least there is no meth...
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Unread postAuthor: DR » Sun Jan 18, 2009 6:19 pm

PVC Arsenal 17 wrote:D_Hall: I'm not quite sure why you decided to post this thread... Your writing tone and your apparent need for a machine like this are, well, interesting. I don't know much about you at all but I've been reading your recent posts and they make me wonder...


I can tell you (quite surely) <i>why</i> D_Hall decided to post this thread; It is the "apparent need" for EVERY engineer (that <b>I've</b> ever come across), to present themselves in a manner in which would make the average <i>lamen</i>, question their "tone".

Funny though, that the average idiots, who earn 1/3 of an engineers yearly salary, are usually the ones who wind up getting the over-engineered POS to work properly, either by redesigning it, or bypassing 17 unnecessary parts.

..."What do you do for a living?"
<i>-"Can't tell you"</i>
..."How much does that cost?"
<i>-"If you have to ask, then you can't afford it... If you can't afford it, then you have no right to ask"</i>
..."Well, what do you use it for?"
<i>-It's classified."</i>
..."Well, why did you show it to me?"
( Long Pause )
... "Well?"
<i>Because every one else that I work with, bores the absolute crap outta me... and the select few that don't are happily married and have their heads buried so far up their wives ass,- they can't see straight... The few friends that I DO have, are in the local bar 24/7 and most women give you that "Deer in headlights" look and fall asleep halfway through your over-dramatic / long-winded explanation of why you happen to think that this is the coolest thing since the LAST coolest thing you bored her into a coma with.</i>
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Unread postAuthor: starman » Sun Jan 18, 2009 8:53 pm

DR wrote:[<i>Because every one else that I work with, bores the absolute crap outta me... and the select few that don't are happily married and have their heads buried so far up their wives ass,- they can't see straight... The few friends that I DO have, are in the local bar 24/7 and most women give you that "Deer in headlights" look and fall asleep halfway through your over-dramatic / long-winded explanation of why you happen to think that this is the coolest thing since the LAST coolest thing you bored her into a coma with.</i>


Spoken with conviction. That sounded like it could be a little close to home there DR.... :wink:
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Unread postAuthor: D_Hall » Sun Jan 18, 2009 11:08 pm

Would it help ya, DR, to know that my other hobby is running a porn site?


As for tone... It's really very odd. The regulations allow us to speak in general terms but generally prohibit the use of certain words. My biggest customer is like that. There are pictures of my test activities out there on the Internet. The test events are in no way classified... But oddly enough I am prohibited from directly linking myself to those test events. So while I can talk of specific activities, I can not talk of MY specific activities.

And it doesn't have to make sense, it's the government! :lol:
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Unread postAuthor: DR » Mon Jan 19, 2009 12:44 am

starman wrote:
DR wrote:[<i>Because every one else that I work with, bores the absolute crap outta me... and the select few that don't are happily married and have their heads buried so far up their wives ass,- they can't see straight... The few friends that I DO have, are in the local bar 24/7 and most women give you that "Deer in headlights" look and fall asleep halfway through your over-dramatic / long-winded explanation of why you happen to think that this is the coolest thing since the LAST coolest thing you bored her into a coma with.</i>


Spoken with conviction. That sounded like it could be a little close to home there DR.... :wink:


AH! --- FINALLY! - Someone that can read between the lines!
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Unread postAuthor: psycix » Mon Jan 19, 2009 6:06 am

Ah that pipe bug is soo cuuuuuuuute :D
Does it make any sound when crawling around?
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Unread postAuthor: D_Hall » Mon Jan 19, 2009 9:36 am

psycix wrote:Ah that pipe bug is soo cuuuuuuuute :D
Does it make any sound when crawling around?


It makes a hissss.

The damned thing is impressive though. About an 1/8" curf is all, and the curf meshes *perfectly* at the end of the cut. Don't know how long it took for the welders to set it up, but I got to watch the actual cut of a 30" diameter pipe. Didn't take more than 10 minutes and the cut was *clean*.
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Unread postAuthor: jimmy101 » Mon Jan 26, 2009 3:31 pm

So, is there a "2-axis" version of the bug? One that can cut a circular hole in a round pipe?

Just wondering, I've been toying with the idea of building a CNC router for wood and plastics ... the motorized bug looks like it is probably driven by a big-ass stepper motor.
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Unread postAuthor: D_Hall » Mon Jan 26, 2009 9:43 pm

jimmy101 wrote:So, is there a "2-axis" version of the bug? One that can cut a circular hole in a round pipe?

Not to my knowledge, but there ARE tools out there designed to basically do that job. I believe they're known as pipe notchers.
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Unread postAuthor: DR » Mon Jan 26, 2009 10:06 pm

jimmy101 wrote:So, is there a "2-axis" version of the bug? One that can cut a circular hole in a round pipe?


<a href="http://www.globalspec.com/FeaturedProducts/Detail/BUGOSystems/Programmable_Gantry_System_from_BugO_Systems/64084/1">BUG-O Systems, Inc. - Programmable Gantry System from Bug-O Systems
Programmable Gantry System from Bug-O Systems</a>

The Programmable Gantry System provides coordinated motion in two axes, using three drives: two synchronized motors drive the main carriages along the X-axis, and one drives the Y-axis crossbeam carriage. The machine can be easily programmed to repeat any contour or pattern for either cutting or welding applications. A handheld terminal supplied with the machine is used to program the required shape and operation sequence. Other functions besides moves can be programmed, such as starts, stops, delays, repeats and rapid traverse. Ten programs can be stored in machine memory at any one time. A PC option is available which includes a connecting cable and a software program. With this, the operator can create any number of shapes on a PC and store them on disk. Selected shapes can then be downloaded into the machine as needed.


... Link found on <a href="http://www.globalspec.com/supplier/ProductAnnouncements/BUGOSystems">Bug-O Systems, Inc. - Product Announcements</a>
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Unread postAuthor: D_Hall » Mon Jan 26, 2009 10:43 pm

Yes, but that only does it on a flat surface (and we have one of those on order too, from what I understand. :D ), not on the curved surface of a pipe (as requested by Jimmy).
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Unread postAuthor: DR » Tue Jan 27, 2009 12:06 am

D_Hall wrote:Yes, but that only does it on a flat surface (and we have one of those on order too, from what I understand. :D ), not on the curved surface of a pipe (as requested by Jimmy).


Well, poop!

... <a href="http://www.globalspec.com/FeaturedProducts/Detail/BUGOSystems/MM1/64353/1">MM1</a> :roll:
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Unread postAuthor: D_Hall » Tue Jan 27, 2009 10:34 am

Oooooooo... Pretty.
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Unread postAuthor: jrrdw » Tue Jan 27, 2009 5:38 pm

Amazing what people come up with. We need a "Tools and Discussion" section.
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Unread postAuthor: psycix » Wed Jan 28, 2009 8:57 am

Well make one!
There is only one way to find out whether that section will be filled with useless crap or interesting information.
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