Hybrid Cannons

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SpudFiles Potato Gun Commercial

Last post by quinn whitsitt
Posted in Combustion Cannons
Replies: 15
by PCGUY » Tue Oct 29, 2013 10:54 pm » in Combustion Cannons
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I've been wanting to get in some spud shooting action this fall before the weather got cold. I know it's been a while since I filmed anything for...

Last post

thank you for creating this website is there anything i can do to help
15 Replies

976692 Views

Last post by quinn whitsitt
Fri Feb 09, 2024 2:38 pm
HYBRID FUELING 101

Last post by quinn whitsitt
Replies: 106
by SpudBlaster15 » Mon Mar 17, 2008 10:56 pm
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Part 1: Using traditional hybrid fuel meters correctly

Question: How many of those who have constructed hybrid launchers have used either an online...

Last post

thank you this is so helpfull!!
106 Replies

651790 Views

Last post by quinn whitsitt
Fri Mar 01, 2024 10:50 am

Topics

Hybride help i speak french

Last post by CpTn_lAw
Replies: 32
by NinjaNeko » Sun Dec 23, 2007 7:58 am
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Hello
I speak french and i go in forum spudfile for speaking good english .
I make one hybrid and i have the probleme
1 The chamber : who i have one...

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Tu es Francais? parce que tes phrases n'ont aucun sens.
32 Replies

8292 Views

Last post by CpTn_lAw
Fri Dec 28, 2007 8:31 pm
6x... look what happened

Last post by clide
Replies: 20
by Fnord » Wed Dec 19, 2007 1:40 pm
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Well, I got the valve fixed(leaks) on my hybrid, so I decided to have some fun today.

I've never tried anything past 4x, so I figured I might as...

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wow..

I'm pretty sure I thought of that first some years ago.I don't feel like looking it up, but I'm pretty sure.
I never built it however and I'm...
20 Replies

7283 Views

Last post by clide
Thu Dec 20, 2007 10:15 pm
leaky burst disc

Last post by BigGrib
Replies: 11
by JDP12 » Tue Dec 11, 2007 12:31 pm

First post

Hey all, i was pressure testing my hybrid for leaks today, but i noticed something bad- air was escaping past my soda can burst disk. I hadn't...

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i used a cam lock right at the end of my chamber for an interchangeable barrel system and i unscrewed my barrel from the male cam lock, put a burst...

11 Replies

3174 Views

Last post by BigGrib
Thu Dec 13, 2007 6:03 am
is malleable iron safe

Last post by bigbob12345
Replies: 29
by bigbob12345 » Wed Dec 12, 2007 9:30 am
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I just have easy acsess to malleable iron and in lots of sizes and I want to make a hybrid out of it and I would like it to be safer than useing...

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I think Ill revise my 4x to 6x max
29 Replies

6448 Views

Last post by bigbob12345
Wed Dec 12, 2007 9:18 pm
Hybrid test results.

Last post by Fnord
Replies: 48
by Fnord » Sun Sep 16, 2007 12:12 pm
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The results are finally in!

As most of you know, I built a sealed hybrid vessel recently to test the limits of 2 sch40 steel.

(more pictures...

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I couldn't hear much because I was too far away, but a little air seeps past the ball valve seals on ignition of higher mixes, so it makes a faint...
48 Replies

15253 Views

Last post by Fnord
Wed Dec 12, 2007 1:32 pm
help with union!

Last post by MrCrowley
Replies: 10
by SpudFarm » Mon Dec 10, 2007 3:40 pm

First post

you can see the picture the male its going in the chamber and the barrel in the female part of it. i am just going to screw it right in the chamber...

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I was meaning that's what a backwards union looks like, not if it worked backwards or not :P

10 Replies

4021 Views

Last post by MrCrowley
Tue Dec 11, 2007 3:14 pm
valve hybrid design

Last post by iknowmy3tables
Replies: 16
by iknowmy3tables » Sat Nov 10, 2007 5:37 pm
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I recently met a friend at school who builds spud guns he has an interesting idea for a non burst disk hybrid. It's quite simple a solenoid valve...

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hmm the design actully vents the piston and does it faster than a tiny pop off, just what I'm looking for thanks
16 Replies

5962 Views

Last post by iknowmy3tables
Mon Dec 10, 2007 12:18 pm
Mini Hybrid~No Need To Measure!

Last post by psycix
Replies: 44
by FeLeX » Mon Nov 26, 2007 9:11 pm
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Ive had this idea for quite long time now but never actualy tried it out. I am just trying to see what you guys think about it. So heres a pic. Ask...

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Question: How does a piston work in a hybrid?
The suddenly created overpressure in the chamber caused by the combustion makes more pressure in front...
44 Replies

12111 Views

Last post by psycix
Mon Dec 10, 2007 10:51 am
post your burst disk of choice

Last post by noname
Replies: 9
by SpudFarm » Sun Dec 09, 2007 12:31 pm

First post

yes i know its some of this posts around on the forum but why not got one that you dosen`t have to search for? so what is your burst disk of choice...

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A triple layer of aluminum soda can works well at 650 psi.

And yes, everyone, I'm still on. I don't post when it's not actually worth posting, but I...

9 Replies

3749 Views

Last post by noname
Sun Dec 09, 2007 11:48 pm
how the hybrid works!

Last post by Novacastrian
Replies: 5
by SpudFarm » Sun Dec 09, 2007 5:24 pm

First post

i have seen many posts of people that docent know how a hybrid works. so i are going to tell what i know (if i am wrong at somethig correct me)

a...

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Right except for one thing, not all Hybrids have an ungodly mess of pipes, gauges and ball valves- commonly known as the Propane Meter hanging off...

5 Replies

2586 Views

Last post by Novacastrian
Sun Dec 09, 2007 11:35 pm
My hybrid design, help with my questions please

Last post by SpudFarm
Replies: 5
by JDP12 » Sun Sep 23, 2007 6:35 pm

First post

what do you think? Questions are in picture. Click on picture to expand to be able to read everything

actually, i don't think i'll need two spark...

Last post

there i no problem to find out if it is steel or alu. just take a angel grinder (or something that makse sparks) and grind a bit where you are going...

5 Replies

2282 Views

Last post by SpudFarm
Sun Dec 09, 2007 4:56 pm
first hybrid

Last post by SpudFarm
Replies: 15
by SpudFarm » Fri Dec 07, 2007 11:52 am
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now I am finally got my ass up and start build a hybrid!
the chamber is going to be a 8 long 2 steelpipe and a coil for ignition.
and then to the...

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ok i thought that the seam would open on peak but i have looked closely at the sealed hybrid hybrid test or something and that has a seam and...
15 Replies

4692 Views

Last post by SpudFarm
Sun Dec 09, 2007 4:39 pm
Hybrid User Quiz

Last post by Velocity
Replies: 30
by noname » Sat Sep 22, 2007 9:19 pm
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I wrote up a quiz a little while ago, and if you are planning to make a hybrid, I'd highly advise you take it. All answers will be emailed to me, and...

Last post

Poor, poor I <3 DWV :lol:
30 Replies

8636 Views

Last post by Velocity
Sun Dec 09, 2007 12:36 pm
Metal hybid ignition question

Last post by sjog
Replies: 5
by bigbob12345 » Thu Dec 06, 2007 7:58 pm

First post

I dont get how people hook up the ignition system on a metal hybrid wont the electricety go all over the metal because it conducts electricity

Last post

very good jimmy101

5 Replies

2189 Views

Last post by sjog
Sat Dec 08, 2007 10:03 pm
sch40 smal diameter pvc saftey

Last post by psycix
Replies: 11
by bigbob12345 » Sat Dec 01, 2007 11:59 pm

First post

Would it be safe to use smaller diameter sch40 pvc because its rated at a higher pressure

Last post

PVC does not melt into a liquid, it more burns from my experience. but solid PVC ammo would be pretty cool. or mabey solid PVC endcaps. mabey melted...

11 Replies

2749 Views

Last post by psycix
Mon Dec 03, 2007 10:51 am
burst disk question

Last post by bigbob12345
Replies: 8
by bigbob12345 » Sat Dec 01, 2007 12:00 pm

First post

I have never understood how people attach burst disks to the to the gun
and also what would you say is the best material to make a burst disk from

Last post

Thanks for the pic it helps a lot

8 Replies

2583 Views

Last post by bigbob12345
Sat Dec 01, 2007 10:03 pm
Acetylene for fuel (no oxidizer)

Last post by DYI
Replies: 14
by Novacastrian » Sat Nov 24, 2007 6:35 pm

First post

I was just wondering if it would increase the power of my mini hybrid if i were to use Acetylene as fuel instead of Butane as currently used. I would...

Last post

It's on the Darwin Awards site, I don't know what year though.

14 Replies

4385 Views

Last post by DYI
Sat Nov 24, 2007 8:01 pm
Piston Valve Question

Last post by SPG
Replies: 6
by SPG » Tue Nov 13, 2007 3:16 pm

First post

I've been reading about people's piston valves, great to see them working. One question I've not worked out though.

How are you venting the chamber...

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Excellent, I'm looking at injecting a pre-mixed, pre-pressurised mix into the chamber anyway, so if I don't have to vent, it makes life so much...

6 Replies

2122 Views

Last post by SPG
Wed Nov 14, 2007 12:46 pm
What Ever Happened to This?

Last post by Fnord
Replies: 3
by spudkilla » Thu Nov 08, 2007 4:50 pm

First post

What happened?

Last post

I don't think anyone has heard from D. Hall in a long time.

It wasn't finished to my knowledge. He might not have gotten enough people to work on it.

3 Replies

1883 Views

Last post by Fnord
Thu Nov 08, 2007 7:35 pm
tyler's Hybrid Now Handheld!!

Last post by spanerman
Replies: 18
by tylerthetatertosser » Tue Sep 18, 2007 7:43 pm
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I was inpired by spudblasters design of a Handheld launcher, so i converted my old hybrid to a handheld rifle, here are some pictures :)

Last post

damn, you guys get stuff cheap over the pond....i spend about £150/300usd on my hybrid :evil:
18 Replies

13864 Views

Last post by spanerman
Mon Nov 05, 2007 12:39 pm
a couple questions

Last post by hi
Replies: 8
by Rogue » Sun Nov 04, 2007 6:14 pm

First post

ok i have been on the cpu researching for 6 hourss. eahh. my questions are:

are burst disk valves reusable? (i think they are just wanted to make...

Last post

Nobody really knows how far it is possible to throw a spud

i know that this ahs nothing to do with this disscussion, but i have recently...

8 Replies

3184 Views

Last post by hi
Sun Nov 04, 2007 11:04 pm
How exactly does a Hybrid work?

Last post by Rogue
Replies: 10
by HaiThar » Thu Sep 20, 2007 6:02 pm

First post

I can't help but wonder how a Hybrid works exactly... I know it uses a combination of pneumatic and combustion systems, but as to how it actually...

Last post

Another way to think of a hybrid:

Goal: A pneumatic gun that operates at very high pressures, much higher than the typical compressor can generate....

10 Replies

3709 Views

Last post by Rogue
Sun Nov 04, 2007 5:22 pm
Gen, III Hybrid

Last post by DYI
Replies: 15
by pbmann123 » Tue Oct 16, 2007 1:10 am
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alright guys, i brought this up a year or two ago on spudtech, and i have had some time lately, i just came back from the north, and bought a house,...

Last post

As I said, you need 3.8 psi oxygen per atm.

Your propane meter won't work for the GEN III because of the higher O2 content per atmosphere. If you...
15 Replies

6725 Views

Last post by DYI
Fri Oct 19, 2007 3:29 pm
New Project Starting

Last post by frankrede
Replies: 7
by frankrede » Thu Sep 20, 2007 11:16 pm

First post

Possibly
My welding teacher just approved of me to build a High pressure cylinder
aka a hybrid chamber

Heres what I have in mind

3000 psi 3/4...

Last post

The parts are being ordered and all the fittings will be made using 1/4 plate steel for bushings and my plug, with the only threads on the spark plug...

7 Replies

2397 Views

Last post by frankrede
Tue Oct 16, 2007 7:49 pm
UPHL-38 (Updated 10/8/07)

Last post by SpudBlaster15
Replies: 19
by SpudBlaster15 » Sat Sep 15, 2007 1:58 am
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...
19 Replies

13104 Views

Last post by SpudBlaster15
Sat Oct 13, 2007 12:56 pm

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