Last night as part of the celebratory events I was launching some spuds. I found an ancient Glowstick in a drawer and decided to try out an idea that popped into my head: tracer rounds. [youtube]http://www.youtube.com/watch?v=u4UU1Sowyl4[/youtube] As always I sized my spuds using a piece of pipe sam...

Yep. I am always on the look out for anything that fits the bore of my 2" co-axial cannon. Last night when I ran out of taters I spied a tray of stale cupcakes that were about to get dumpstered. Much to my amusement they fit the cannon perfectly and judging by the sound (it was 1 AM) they travel hel...

Has anyone ever used a battery operated BBQ lighter? I have always wanted one. I found one for $15 shipped on eBay and it works great. Uses a triple A battery. I hacked it up and modified it to my needs...but even unmodified it worked very well...makes a strong spark about an inch gap. I agree the ...

Thanks for that tip. I agree a tripod or a someone on the cam would be a great improvement. I'm trying to come up with a target that will maximize the effect of a tangerine exploding. Something messy. Can you get any useful data from hang time on a vertical shot? Yesterday we launched one right thro...

The D9 weapon is so chunky you could almost have a completely coaxial design and multiple ignition points along the rather long and skinny chamber. That would be a reason to have all those tubes down the length of it.

I thought citrus was good for removing tar and bugs from automotive paint?

Yep Propane is on the list. After Christmas though.

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Little update. Using Tangerines

Tidied up the grip igniter assembly. Still working great several hundred shots later.

You know what is a right PITA? Trying to zero in a sight that is at a 45 degree orientation. I think I need to make a mount that is level to the earth just to simplify that task. I can get it centered, but then it's high or low. Adjusting elevation changes windage (being that the cross hairs so to s...

That's slick. A Laser is on my to do list.

I managed to mount the Tru Glo using some aluminum and doublestick tape. Not sure if it's in the right location so I wanted to test it first before committing.

Thanks for the pics.

Gotcha. Metering is on the agenda. Thanks for the comments :) Another super hectic day. No school. 2 Kids full of energy. Sinus Cold. Many chores. Oh yeah. But from about 7:30 to 9:30 tonight I managed to tinker a bit. The usual disclaimer that this is not pretty...but it does work. http://img442.im...

Link Master. Master of the Hyperlink. I bow before your stash of bookmarks :D I know it makes absolutely no sense to make this stuff. But it keeps me off the streets. Once I get my play fund built up I'll be purchasing a few bits of Cannon Jewelry for my beast. I'm a sucker for machined aluminum. Th...

A little update. I've shot all manner of things out of the cannon. Even potatoes. It's been reliable. And it has a satisfying amount of recoil :twisted: My favorite so far is an improvised cardboard shot shell full of mini marshmallows straight up. But busting jugs is fun too. [youtube]http://www.yo...

Yes please. I've got wood and fiberglass on hand but I need to snag a few large hose clamps. Until I know it's going to work I'll need to move it around. I was thinking about trying to cut those Bevels on the picatinny with my table saw using some Polycarbonate, then make stand offs of wood with alu...

Now that's some engineering I can relate too:D I'm going to try elevating the sights away from the cannon a bit to calm my nerves and see what kind of accuracy I can get using something like what you came up with. The cannon is pretty hefty so I tend to put it on my shoulder like a rocket launcher. ...

Thanks for the replies. http://img146.imageshack.us/img146/3171/prm301s.jpg Now that's a piece of work and steal at $24.99 I betcha I can carve one from a piece of purple heart in about a week :D Just need to sharpen those chisels. All the time. :x One thing that was a little unnerving for me is per...