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Spud guns or “potato cannon’s” have been around for a long time.  For some reason, I’m shocked that more hams don’t use them for putting up wires.  QST did an article awhile back on the topic getting people started, but not a lot of activity since (at least from what I’ve found online and locally).

The setup on the right here is the CSV19, instructions (and kits available) are on their website at:

http://www.antennalaunchers.com/csv19/csv19asm.html

There is a ton of information on the web.  Unfortunately, a lot of what used to be freely available ended up not being so anymore since people decided to make businesses out of sites that used to give the information away – BAD WEBSITE!  BAD!

Anywhooo……

There is still some other interesting sites with plenty of information.  On that end, I send you to Philip Mayfield.  He has a site with full details on various methods, air displacement, etc. on his site at:

http://www.sigmazone.com/TennisCannon_FullFactorial.htm

I’ve limited this to pneumatic cannons for a reason, the combustible versions are VERY simple.  I just don’t like the mess they leave behind (though they are fun).  Combustion mortars are fun too……. but I digress…..

There is a FANTASTIC video with step by step instructions courtesy of Patrick Norton (of ZDTV fame, then on various shows on the Digg networks).  He did a video on Systm (now canceled program) that is still freely available online – SWEET!

The video below is also available as a downloadable file:

If you want to download the show, or read show notes, visit them at:

http://revision3.com/systm/tennis

If you know of any other resources available online, please post in the comments.

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