Potato Pistol V.1.03

Just build a cannon and want to show it off? Post it in here.

Postby An Apple Pie » Sun Feb 25, 2007 9:25 pm

<div align="center"><font size=+2> Potato Pistol V. 1.03</font>

Valve- 3/4" QEV
Pilot Valve- Standard Blowgun Valve
Filling Valve- Schrader Valve
Barrel- 24"
Chamber- Approx. 30"
Other- 80 PSI Pop-Off Valve and a 100 PSI Pressure Guage</div>

This is another potato gun that I have built for sale. This time it is actually going to get to the buyer (last time his parents wouldn't let him have it). I sold it for $75.

This thing is amazingly quiet and powerful for its size. The first time I shot it (it was a dry fire) I thought that all the air just went out of the pilot because it was so incredibly quiet. It took me a few shots to finally put something down the barrel, and realized that it was actually working.

Yes it is not really a pistol but more of a rifle. I called it this because it is still part of the same series as my previous pistols.

<div align=center"><b>Pics</b>
<a href="http://www.putfile.com/pic.php?img=4855804"><img src="http://img1.putfile.com/thumb/2/5513505079.jpg" height="100" alt="Overall View"></a><a href="http://www.putfile.com/pic.php?img=4855806"><img src="http://img1.putfile.com/thumb/2/5513505116.jpg" height="100" alt="Valve and Pilot"></a><a href="http://www.putfile.com/pic.php?img=4855807"><img src="http://img1.putfile.com/thumb/2/5513505157.jpg" height="100" alt="Valve and Pilot 2"></a><a href="http://www.putfile.com/pic.php?img=4855805"><img src="http://img1.putfile.com/thumb/2/5513505057.jpg" height="100" alt="Pop-off Valve"></a>
An Apple Pie
 
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Postby Zorrowannabe9 » Sun Feb 25, 2007 9:55 pm

looks awkward to shoot the way you have the trigger positioned. Nice cannon though!
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Postby An Apple Pie » Sun Feb 25, 2007 9:58 pm

That is actually something I was going to mention but... I forgot.

While I was building it I was actually thinking about how it would be uncomfortable, but it is actually extremely balanced between the two grips. This makes it quite comfortablr to hold. It is actually probably more comfortable than any of my other guns.
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Postby BewareOfDog » Sun Feb 25, 2007 9:58 pm

That... is really cool! 8)

It's a huge P.I.T.A to solvent-weld a bunch of fitting together, without having the whole thing come out horribly twisted. Looks like yours came out nicely.

I also like how the pistol-grip is also part of the air reservoir.
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Postby sgort87 » Sun Feb 25, 2007 10:44 pm

Oh wow. I really like how you positioned that QEV. Great design.
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Postby Velocity » Sun Feb 25, 2007 11:18 pm

Very clean cannon. One recommendation that I have is to reposition the trigger so that it is more ergonomic. However, considering I have never held this spudgun before, I suppose I do not know how comfortable it already is...
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Postby noname » Sun Feb 25, 2007 11:47 pm

Great gun and design, but it leaves me with one question:
If you went through all the trouble to use clear primer and cement, why didn't you take off the writing and bar codes on the pipe and fittings?
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Postby Velocity » Mon Feb 26, 2007 11:41 am

Noname: I personally always use clear cement and primer, seeing as I bought a quart of each off of mcmaster.com. Even if I dont take off the writing, I still use it, for those purple streaks are really ugly.

I'm not An Apple Pie, but I believe this is what he did as well.
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Postby An Apple Pie » Mon Feb 26, 2007 3:48 pm

Yes that is what I did.

Pretty much all I can buy around here is clear cement. So I already had that, and Rmich told me that Mcmaster carries clear primer so I bought a quart of that.

Basically if I was making it for myself I might take of the barcodes, etc..., but then I would have to put on a clear coat to keep it from getting all dirty, right? If the customer wanted that I probably would have done it but for a little more cash.

-EDIT-
Oh and I forgot to mention that the barrel and chamber are both 1" pipe.
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Postby frankrede » Tue Feb 27, 2007 12:46 am

not to be rude but who would buy that? Its nothing special.
But I'm sure its fun to shoot.
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