you even know what a capacitor isthey launched cameras from spudguns so I guess a pressure sensor can handle it
spudgun range, are we falling short?
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POLAND_SPUD
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ohh now you're an electronics expert you even know what a capacitor is
they launched cameras from spudguns so I guess a pressure sensor can handle it
you even know what a capacitor isthey launched cameras from spudguns so I guess a pressure sensor can handle it
Children are the future
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jackssmirkingrevenge
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I'm the first to admit that electronics is not my forte, but I do have a fairly good grasp of Newtonian physics, which is what we're talking about here 
Even a simple sliding switch can be a problem. If mounted in line with the axis of motion of the projectile, the inertia of the slider itself can cause it to move either when it's being accelerated on launch or decelerated on impact.
From a low pressure ball valve cannon like the above, probably less than 200 fps perhaps - but we're talking about high subsonic velocities here, that's a lot more stress on the components.
Even a simple sliding switch can be a problem. If mounted in line with the axis of motion of the projectile, the inertia of the slider itself can cause it to move either when it's being accelerated on launch or decelerated on impact.
[youtube][/youtube]they launched cameras from spudguns so I guess a pressure sensor can handle it
From a low pressure ball valve cannon like the above, probably less than 200 fps perhaps - but we're talking about high subsonic velocities here, that's a lot more stress on the components.
hectmarr wrote:You have to make many weapons, because this field is long and short life
Yeah, switches do not do well under acceleration.
My high school lost a match at the NRL 15 lb championship because a spade connector ripped itself off our switch. Solder everything, and use a removable link or screw on/off switch. The switches are really expensive (>$60), though.
My high school lost a match at the NRL 15 lb championship because a spade connector ripped itself off our switch. Solder everything, and use a removable link or screw on/off switch. The switches are really expensive (>$60), though.
POLAND_SPUD wrote:even if there was no link I'd know it's a bot because of female name
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jackssmirkingrevenge
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tada, prototype N<sup>o.</sup> 1
It works, but only at 5 or so metres, and because the epoxy is in contact with the base of the piezo buzzer it sounds quite faint. Still, it's a start
It works, but only at 5 or so metres, and because the epoxy is in contact with the base of the piezo buzzer it sounds quite faint. Still, it's a start
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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sharpshooter11000
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Looking good, are you going to use a sabot with it? Also, loving the hole in your table!
My cannons | My QEV cannon |
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jackssmirkingrevenge
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The fins are the same calibre as the barrel, so all it needs is a pusher plate.sharpshooter11000 wrote:Looking good, are you going to use a sabot with it
Few things in my workspace don't have projectile-related holes in themAlso, loving the hole in your table!
hectmarr wrote:You have to make many weapons, because this field is long and short life
JSR;
Where is the COG location?
Can you send me the sat file to analyze?
Here is an interesting possibility.
http://www.jbgizmo.com/page22.html
Where is the COG location?
Can you send me the sat file to analyze?
Here is an interesting possibility.
http://www.jbgizmo.com/page22.html
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jackssmirkingrevenge
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Interesting indeed!Here is an interesting possibility.
http://www.jbgizmo.com/page22.html
See attacheddewey-1 wrote:Where is the COG location?
I would have to redraw it to be relevant to the actual projectile.Can you send me the sat file to analyze?
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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jackssmirkingrevenge
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Excellent I just need to paint the projectile and make the pusher plate so this will be on its way to you in a couple of days.
I just need to paint the projectile and make the pusher plate so this will be on its way to you in a couple of days.hectmarr wrote:You have to make many weapons, because this field is long and short life
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jackssmirkingrevenge
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I was thinking of sending them separately... I don't know, I have a feeling that a projectile shaped object with electronics is going to raise an eyebrow at customs...Petitlu wrote:you sent me along with the other?
By the way, are you sure the firing area will be completely clear? I would not want to be hit by this thing :-/
hectmarr wrote:You have to make many weapons, because this field is long and short life
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POLAND_SPUD
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not if you label it as female pleasure deviceI have a feeling that a projectile shaped object with electronics is going to raise an eyebrow at customs
Children are the future
unless we stop them now
unless we stop them now