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Nozzle Selector Modification
by Aqua Flash
(12/10/07)
Isn't it a bit limiting how some guns only have one nozzle setting? It really makes the gun not able to spread its wings fully, until now, here's the Aqua Flash take on performing a nozzle selector mod to my modified CPS 2100, using fittings from the UK since it is hard to buy ones you can get overseas over here like PVC. This modification does however work on other guns with only one nozzle like the CPS 1000 and 1200, however since I don't have those (anymore), I can't do this modification to those, so the 2100 has to do for an example, not that I'm saying its bad like.
What you need:
CPS 2100 (Mark 1 or 3)
Screwdrivers
Pliers
File
Sandpaper
Electrical Tape
O Rings
Brass Tap Extender 3/4" F x 3/4" M
Brass Blanking Caps 3/4" F
Drill/Drill Bit Sizes
First, get your brass parts, which are the brass tap extender 3/4" F x 3/4" M and brass blanking cap(s) 3/4" F so they are ready.
Next, when your gun is open, the nozzle (providing your 2100 isn't a Mark 2) should be able to screw off, this is what we'll be working on.
Once you have screwed it off you'll need the saw, file and sandpaper ready. You need to saw until you get near to the mesh screen but don't oversaw it as then without the mesh screen you won't get a good linear flowed nozzle. You also need to remove the cosmetic orange piece which as you saw or pry will with a flathead to loosen it a bit will come off anyway. Also, see the thin white ridge parts, you need to flatten and file them smoothly down so the tap extender can fit over. Once you've sawed and filed then smoothen off with sandpaper.
Now once you've done that, wrap around 2 layers of electrical tape around then end of the cut, also make it so some electrical goes over the end of where the cut is, it helps give a better seal. Once done you can screw the nozzle back on the gun, leave it without the tap extender fitting at the moment, you'll see why.
Now, close your gun up still without the tap extender. Then, once closed, now it is time to put the tap extender fitting on. But, before you do it, put an O Ring inside the tap extender, this creates a vital seal that won't make water spurt everywhere. With the gun closed, and the O Ring in the tap extender fitting which will become your nozzle selector, screw the tap extender in (it has threads inside) on the electrical tape until you can see it touches the O Ring to create the best seal possible. You need to screw the tap extender in a fair bit and may need some pliers to make it tight, but just again don't overtighen it as then the seal will go.
Your nearly there, now get your brass blanking cap(s) which will be your nozzles and get drilling the sizes you want and feel are right for your gun and style. Once drilled (you won't get the hole in the middle full as brass is harder to drill through and very hard to get the perfect centre, performance isn't affected though as long as its decent), remember to put an O Ring in the nozzle cap to again create a seal and prevent leaking and bad stream performance. Below are the drill sizes I used for the nozzles and how it looks on the gun complete.
There, all done, hopefully, you'll get some pretty good streams from this making the CPS 2100 or whatever gun you do this to more flexible. The 2100 used for this has already had a 30 balloon K Modification done to it so I going to base the stats with that modification being done.
First though, some pictures of the different nozzles shooting.
11/64"
3/16"
1/4"
Now finally, the statistics.
Stats
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| Range
| Level
| 45 Degrees
| Output/sec
| Shot Time
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| 11/64"
| 8m - 26.4'
| 12m - 39.6'
| 5.9oz - 168mL
| 2.5 Seconds
| 3/16"
| 9m - 29.7'
| 13m - 42.9'
| 8.2oz - 233mL
| 1.8 Seconds
| 1/4"
| 9.5m - 31.35'
| 13.5m - 44.55'
| 10.6oz - 301mL
| 1.4 Seconds
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So, overall it turned out pretty good, nice more challenging range, boost on power and very flexible output. The gun can now compete more with larger blasters while still having its disadvantages, shot time is reduced obviously due to the smaller firing chamber combined along with more power and range, so water is wasted faster. The modification was totally worth doing though to get a lot more out of soakers like the CPS 2100, and has showed another way of doing a nozzle modification if you don't have access to PVC like me. The mod has already been done before so I take no credit, I'm just giving my take on it and hopefully adding some more helpful information.
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