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Mini Spud made from a laser!

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Mini Spud made from a laser!

Unread postAuthor: rcman50166 » Fri Jan 25, 2008 10:10 pm

I used an old cerca 1970 laser. Removed the laser tube, stuck in a barrel and chamber and had fun! In a certian conext I made a laser cannon! Video will follow shortly.
[youtube]http://www.youtube.com/watch?v=fJI0su10w28[/youtube]
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lasercannon50.jpg
The only current picture I have
Last edited by rcman50166 on Sat Jan 26, 2008 10:10 am, edited 1 time in total.
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Unread postAuthor: STHORNE » Fri Jan 25, 2008 10:25 pm

looks kewl, but im still puzzled by how it works. could you please explain a little more?


EDIT: thanks for postin the vid, i understand now.....

thanks -- sthorne
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Last edited by STHORNE on Mon Jan 28, 2008 8:43 pm, edited 1 time in total.
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Unread postAuthor: Novacastrian » Fri Jan 25, 2008 10:25 pm

How shortly, i wanna see those vids!
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Unread postAuthor: STHORNE » Fri Jan 25, 2008 10:26 pm

yeah.. videos please :lol:
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Unread postAuthor: Hotwired » Fri Jan 25, 2008 10:35 pm

:shock:

But but but but.... it was a LASER!!!

Sacrelige!
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Unread postAuthor: rcman50166 » Sat Jan 26, 2008 9:16 am

Hotwired wrote::shock:

But but but but.... it was a LASER!!!

Sacrelige!


it was a one milliwatt laser. The same power as a hand held laser pointer.
Iv'e made a 1000 watt laser system. The only thing I haven't actually made was the laser tube for it.
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Unread postAuthor: Carlman » Sat Jan 26, 2008 10:09 am

it may be a bit offtopic but could you show this 1000w laser lol
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Unread postAuthor: rcman50166 » Sat Jan 26, 2008 10:11 am

Ok the video is up. Bookmarking the upload in the forum
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Unread postAuthor: rcman50166 » Sat Jan 26, 2008 10:28 am

Carlman wrote:it may be a bit offtopic but could you show this 1000w laser lol


lol it's off topic, but I'll show it anyway (It's my pride and joy :D )

But lets not get carried away on this and keep on topic
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mytesla.jpg
A 300000 volt power supply, homemade too.
mytesla2.jpg
This is a better picture of it.
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Unread postAuthor: Carlman » Sat Jan 26, 2008 9:21 pm

i like it a lot after seeing the video!

I was going to get a neon transformer soon as ignition for a mini as per another thread. This looks like it works really well.
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Unread postAuthor: rcman50166 » Sun Jan 27, 2008 1:30 pm

An NST is a bit overkil for a gap for a mini. I would personally use an ignition coil from a car, $30, and attach to an AC circuit. If your interested i could post the ciruit here.
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Unread postAuthor: STHORNE » Mon Jan 28, 2008 8:40 pm

i'm interested

could u post the circuit blueprints please?
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Unread postAuthor: rcman50166 » Tue Jan 29, 2008 2:59 pm

There are two different ways to get an ignition coil to work. One way is through a 12v DC circuit and another is a 120v AC circuit. You're choice.
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Ignitioncoildimmer.jpg
This is a basic ignition coil driver circuit for an AC wall power supply. The circuit uses a capacitor partnered with a wall dimmer switch. The best place to find the capacitor recommended for free is in an old TV or microwave and the best place to find the switch is Home Depot.
Ignitioncoildimmer.jpg (17.1 KiB) Viewed 2735 times
ignitioncoildcdriver.gif
This circuit is the more complicated one. You may have to order the parts for this. However all the parts are relatively cheap.
ignitioncoildcdriver.gif (5.77 KiB) Viewed 2735 times
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Unread postAuthor: STHORNE » Tue Jan 29, 2008 5:08 pm

oh kewl... i might have to try that

thanks rcman50166 :wink:
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Unread postAuthor: The_Crow681 » Mon Feb 25, 2008 5:00 am

man that thing is absolutely wicked! i can't wait to make my first cannon
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