Cpvc Barreled Missile Storm
Posted 02 August 2007 - 07:09 PM
I picked up this blaster from my local thrift shop ($0.99) and other than a broken missile rod/peg, it worked (no missiles included).
I figured I'd take it home and have some fun. Normally, I'd open it up right away but it uses these peculiar screws with star-shaped (hexalobular?) recesses - for which I don't own a screwdriver. So this write-up really just documents a simple "external" treatment. If can open it up in the future, I'll add some pics and possibly some internal (e.g. airseal) mods.
But modding the barrels is easy enough - first, I hacked off the rods down the nubs on the turret.
Then I cut some CPVC into four 3" sections. I use 2" darts for my CPVC barrels but ofcourse you can use whatever lengths you like. The extra clearance was to accommodate the turret nubs (about 3/4") over which the barrels fit. A small bit (~3") of e-tape around each nub and the CPVC barrels fit tightly. Add some hotglue to secure the connections. And voila:
the ranges are not spectacular (probably not more than 40') and very variable. Since this is a trigger-less blaster (you pull back the blue handle to rotate the turret and then push forward rapidly to fire), the range depends on how hard/fast you push. Truth be told, I don't get very good results with my CPVC/dart setup - if I get around to picking up more brass, I'm going to replace the barrels.
I also bought this with other plans in mind (e.g. integrating the turret and cocking mechanism with a powerful spring gun) - so this may well be a temporary solution.
Anyhoo - enjoy!
Posted 02 August 2007 - 07:27 PM
I think that you will get better results if the barrels were a low-friction, perfect fit with the darts. If you can get such a fit (brass or PETG), you should make the barrels a little longer than usual. This should compensate for the slow air delivery (I think).
Opening the gun up would be very helpful. I'm certain that the airseal inside is no longer effective. These old guns like to get worn out plunger heads. Once you have a perfect airseal, you should get better ranges. I've heard of people using small flatheads to fit inside of the odd shape. Other people say they have melted small pieces of plastic and stuck it into the head of the screw before it dries. Once it dries, you have a tool to open the gun.
Edited by frost vectron, 02 August 2007 - 07:30 PM.
"I am a leaf on the wind--watch how I soar" - Hoban "Wash" Washburne, Serenity.
Posted 02 August 2007 - 08:27 PM
For maximum efficiency?
1. Pump up. Count how many pumps.
2. Keep going until you hear a loud "bang".
3. Subtract one pump from the total. Rebuild your air bladder.
There you go.
Posted 02 August 2007 - 10:27 PM
The screw heads are called Torx- apparently Nerf has tried other methods of tamper-resistant screws than the triangular ones on the Comlink.
A little off topic, but I think that the screws in Spyderco knives are also Torx. You can find a screwdriver for them at Ace I think. Thats where I found them. The company that makes the screwdrivers is called "Wiha" Here's their website.
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