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Panzerhaubitze 2000 (Nerf Artillery)


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Author Topic: Panzerhaubitze 2000 (Nerf Artillery)  (Read 734 times)
jwasko
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« Reply #15 on: November 17, 2007, 02:28:04 pm »

Yes, I meant a valve to fire. And, unless you want to modify the solenoid, you might as well just use a ball valve. My solenoid valve, at least, didn't work well at all.

Put the valve as close to the barrel as possible. Speaking of which...what's the 3/4" PVC for?
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nerfingnoob
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« Reply #16 on: November 17, 2007, 02:31:07 pm »

I dont think they have 1" to 1/2" reducers, do they? Thought you had to build 1/4" at a time. So the ball valve should be near the CPVC barrels then? At the base before the break apart?
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jwasko
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« Reply #17 on: November 17, 2007, 02:49:32 pm »

I dont think they have 1" to 1/2" reducers, do they? Thought you had to build 1/4" at a time.
I don't know about 1' to 1/2," But I've purchased both 2" to 3/4" and 2" to 1/2" reducers (aka bushings) at Lowes. It all depends on your harware store's selection, though...
So the ball valve should be near the CPVC barrels then? At the base before they break apart?
Yes, that's correct.
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nerfingnoob
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« Reply #18 on: November 17, 2007, 09:31:53 pm »

OK, went to Home Depot, found all the pieces... Tell me if I am missing anything: In order from left to right if staring at the gun.
1" PVC End cap
1" PVC Air tank
1" PVC coupler
1" to 1/2" PVC brushing
1/2" PVC Male adapter
1/2" PVC barrel
1/2" PVC coupler
1/2" CPVC coupler
1/2" CPVC T adapter (right saying? its like a T shaped coupler)
1/2" x2 CPVC 90 degree couplers
1/2"CPVC barrels.

Random: Bike pump and PVC cement

Question: my dad said that we could try to (instead of looking for a schrader valve) we could buy some cheap bike tire or inner-tube and cut out the valve with a little bit of the tire/tube around it. Or should I just go and find a valve...Heres a picture:

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jwasko
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« Reply #19 on: November 17, 2007, 10:25:17 pm »

I thin some people do that, with the inner tube...but, if you go to Advance Auto Parts (or was it Auto Zone?), they should have them separate.
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nerfingnoob
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« Reply #20 on: November 17, 2007, 10:33:21 pm »

Alright. I will build this probably Wednesday. Since I need to study tomorrow and Thanksgiving Break starts Wednesday.
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General Cole
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« Reply #21 on: November 17, 2007, 10:45:07 pm »

Use 3in PVC for the tank.  Make the tank 10inches long and then use a ball valve for 3 in.  Add another 2in section of 3in and then use a 3in to 1/2in reducer and shove a 1/2in CPVC coupler in the 1/2 PVC hole.  Glue it all well and let it cure with the valve open to vent.
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nerfingnoob
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« Reply #22 on: November 17, 2007, 10:50:56 pm »

Use 3in PVC for the tank.  Make the tank 10inches long and then use a ball valve for 3 in.  Add another 2in section of 3in and then use a 3in to 1/2in reducer and shove a 1/2in CPVC coupler in the 1/2 PVC hole.  Glue it all well and let it cure with the valve open to vent.

Wouldn't 3" PVC be a bit over-kill? A nerf dart can only be shot so hard.
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General Cole
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« Reply #23 on: November 19, 2007, 08:42:12 pm »

No, it isn't overkill.  2in is smaller than most think.
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nerfingnoob
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« Reply #24 on: November 20, 2007, 01:10:52 pm »

No, it isn't overkill.  2in is smaller than most think.

True that, so, I think I will make 2 models then. A large, long range, stationary, Panzerhaubitze. Then a portable single shot one for fun, the Karabiner 98 Kurz. One made of 4" and one of 2".

Question: How do I make a pump for the smaller one (not using a bike pump)
Question: Do they make reducers from 4" to 1/2" or may I need to buy multiple reducers?
« Last Edit: November 20, 2007, 01:18:03 pm by nerfingnoob » Report Spam   Logged
General Cole
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« Reply #25 on: November 20, 2007, 07:53:56 pm »

I think they have big reducers, but if not you can use a bushing.  I would just use a bike pump for both.
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