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Tech Target Coupler Mod


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#1 Dayko

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Posted 12 November 2007 - 12:52 AM

Here is the list of materials that you will need to do this mod.

4" of 1/2" CPVC
1 1/2" CPVC coupler
Plumbers Goop
Dremel with sanding bit. Or you could use some sanding paper.
Drill ( Optional )

Here is the internals of the TT:
Posted Image
The orange piece's that make up the barrel are all garbage. Just throw them away.
I don't know if this increased the range at all but I tried it any way. I opened the hole
in the plunger wider just using my drill. I forgot what bit I used but just use a bit bigger
then the hole. If you do this is should look like this:
Posted Image
Now here comes the coupler part of the mod. Put some goop around the plunger and
set the coupler on it. after that is done the put some more goop around the outside of the bottom
of the coupler. After you do that it should look like this:
Posted Image
Now this part I was an idiot and for got to take a picture but it is pretty easy to explain.
After you set the plunger in place you can see where the coupler pushes up. Those grooves needed to
be sanded down on both sides of the gun. Again sorry for not taking a picture of this step.
Ok now that the coupler fits nice in the place that was sanded. Now all we need to do is put the gun
back together and put the barrel in place. After you are done with this the gun should look like this:
Posted Image

The range of this with a little wind is:

First shot 85' I think the wind picked up here.
Second shot 75.

I put up some more ranges tomorrow. Maybe those ranges will be different.

Well I hope you guys like this mod.
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#2 dadude778

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Posted 12 November 2007 - 07:06 AM

Looks like a good,simple,effective mod, great job :D .

Edited by dadude778, 12 November 2007 - 07:06 AM.

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#3 hard rockr

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Posted 12 November 2007 - 07:48 PM

I'm not trying to diss your mod or anyting, but how in the hell were you able to get 80' out of that? I mean, the plunger is practically the same size as the nitefinder's, and i only get 65'...that's a big gap in feet. Did you measure wrong, or what happened? <_<
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#4 nerfalchemist

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Posted 12 November 2007 - 07:54 PM

The range of this with a little wind is:

First shot 85' I think the wind picked up here.
Second shot 75.


That's flat ranges right?
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#5 Dayko

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Posted 12 November 2007 - 08:20 PM

I said there was some wind when I was shooting. I can't do ranges today. A storm hit where I live. I'll try to get ranges when it passes all the way. Yes I was shooting flat. I measure by my shoe, which is 12" from tow to heel.
I'm also 5'7 and I shoot from shoulder level.

Edited by Dayko, 12 November 2007 - 08:31 PM.

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#6 n-strike

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Posted 12 November 2007 - 09:46 PM

4" of 1/2" CPVC

If you use 3", will it be aligned with the front of the gun?

Edited by n-strike, 12 November 2007 - 09:47 PM.

kthxbaisend

#7 umdlancer

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Posted 13 November 2007 - 12:51 AM

If you use 3", will it be aligned with the front of the gun?


You'd probably need to cut it down to 2.5" to keep CPVC barrel from sticking out the front of the gun, but you'd definitely lose some range by doing so.
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#8 Dayko

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Posted 13 November 2007 - 02:25 AM

You could cut the barrel but it will defeat the whole purpose of the coupler, cause is the barrel is to short you can't
get your hands in there to get the barrel out. Also you will lose range.
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#9 BustaNinja

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Posted 13 November 2007 - 08:31 AM

Looks like a good,simple,effective mod, great job :) .


That could be a testament to modding ability. I can get 75 - 80 out of a Nitefinder. But then again, I have an old Nitefinder with a barrel replacement perfect seal. All the air pushes the dart out.

EDIT. Also tech targets have a MUCH stronger spring. I compared it to my old NF and they are much stronger and faster.

Edited by BustaNinja, 13 November 2007 - 08:33 AM.

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#10 umdlancer

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Posted 13 November 2007 - 09:58 AM

Dayko, how good is the seal between the plunger and the barrel assembly? If you can vaccum-load the darts, then a coupler wouldn't strictly be needed (though it would let you speedload and dissassemble it for ease of transport).

Edited by umdlancer, 13 November 2007 - 12:44 PM.

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#11 Dayko

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Posted 13 November 2007 - 07:04 PM

The seal between the coupler and the plunger seems to be pretty good. I gooped the plunger and then put the coupler on, then after that had dried for a couple of minutes I gopped the whole outside of the coupler.

I literally just came in from outside doing test ranges.

The weather is 51 degrees.
There is no wind.

Level shot at my shoulder is:

1 75"
2 73"
3 73"
4 72"
5 68"

AVE: 73"

Not bad in my opinion. I bet I will get better ranges if I bungee cord it.
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#12 bpso86

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Posted 14 November 2007 - 11:34 AM

The ttg's major strength is its almost perfect seal right out of the box. I haven't had to improve the seal on any of mine, and they still get amazing ranges. At CANO this summer, I used two couplered ttg's almost the entire time, and they kicked. Nerfmonkey can vouch ;)

Anyways, cool basic mod. Bands will definitely help, and another thing I did was have two more barrels pre-made and put them in the dart holder slots so they were loaded and ready to fire, but that won't work with the micro shooting ones.
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#13 keef

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Posted 14 November 2007 - 05:28 PM

Hey I'm back!

Anyways, Dayko, nice mod! I saw it and was gonna tell you on xbox, but I forgot ;)

I did the same and get the same ranges.
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#14 Dayko

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Posted 14 November 2007 - 06:05 PM

Good to see you back Keef. I should be on xbox later if you want to play.
Thanks for the comments guys.
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