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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First post

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

1436277 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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First post

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

842093 Views

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

Topics

Spare Tank

Last post by ramses
Replies: 15
by JohnnyBOOM » Wed Dec 24, 2008 3:13 am
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First post

An 8 long by 4.5 diameter oxygen cylinder tested at 3500psi might make a mean hybrid? There's even a nifty high pressure Schrader valve in it.

This...

Last post

you could weld (or pay someone to weld) some threaded aluminum pipe to it.
15 Replies

6131 Views

Last post by ramses
Mon Dec 29, 2008 1:58 pm
Hybrid Piston Valve Design

Last post by ramses
Replies: 14
by noob of noobs » Sat Dec 20, 2008 2:21 am

First post

Hello friends! It’s winter break for me, and so I’ve decided to make a new cannon; a hybrid piston-valve cannon. This is mostly an experimental...

Last post

i still say that it will come to a relatively slow stop if you use an air spring and extremely little dead volume. this also lets you choose your...

14 Replies

8051 Views

Last post by ramses
Mon Dec 22, 2008 9:18 am
Replacement for my micro hybrid underway

Last post by inonickname
Replies: 6
by inonickname » Sat Dec 20, 2008 6:46 am

First post

Well after only 2 successful tests I accidently dropped my micro hybrid and it got a crack...so not keen on firing it..

And anyway..onto the...

Last post

Yeh I guess so, but it did hold up ok for an entire 2 shots!

6 Replies

5117 Views

Last post by inonickname
Sat Dec 20, 2008 8:59 pm
True micro hybrid

Last post by inonickname
Replies: 13
by inonickname » Thu Dec 18, 2008 3:33 am

First post

Edit: mind the pictures, they're monsters..

I've finished my micro hybrid :) thanks heaps to those that helped!

Fill is from a schraeder(sp?)...

Last post

Booo, it sucks when things break. Maybe your next project should make use of stronger materials, ie metal.

The next one is going well. Construction...

13 Replies

8824 Views

Last post by inonickname
Sat Dec 20, 2008 6:50 am
quick ignition question

Last post by ramses
Replies: 5
by FishBoy » Thu Dec 18, 2008 2:01 pm

First post

I'm planning on running a 9v through an ignition coil and into a homemade sparkplug for my hybrid, and I have tested it and it works fine. However,...

Last post

that should work fine.

5 Replies

1867 Views

Last post by ramses
Thu Dec 18, 2008 5:44 pm
True micro hybrid help required.

Last post by inonickname
Replies: 7
by inonickname » Wed Dec 17, 2008 3:23 am

First post

Well I'm building a true micro hybrid (not out of a pill bottle with a syringe to pump pressure..). The main chamber is a 2 layer (maybe 3 layer...

Last post

I have a burst disk setup ready but I'm hoping that a spud pellet will have enough friction to hold the (air) pressure before firing.
Afraid not....

7 Replies

3345 Views

Last post by inonickname
Wed Dec 17, 2008 5:18 am
Educated guess on burst pressure

Last post by SpudBlaster15
Replies: 6
by FishBoy » Mon Dec 15, 2008 8:10 pm

First post

Ok, I was looking at burst disk material for my hybrid (should be done in 1-2 weeks, exams slow things a lot), and I thought the sides of a 1 gal....

Last post

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse...

6 Replies

2620 Views

Last post by SpudBlaster15
Mon Dec 15, 2008 10:56 pm
leaks...

Last post by frankrede
Replies: 19
by FishBoy » Sun Dec 14, 2008 10:57 am
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Well I finished the chamber of my first hybrid. It's all galvanized steel and all the connections have teflon tape. Today I decided to test it with...

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Sorry i missed the galvanized part oh and go knows he might of sliped droped it and there could be a little crack or something, better like that then...
19 Replies

5750 Views

Last post by frankrede
Sun Dec 14, 2008 10:22 pm
C:B

Last post by starman
Replies: 7
by FishBoy » Wed Dec 10, 2008 9:44 pm

First post

What are good chamber:barrel ratios for hybrids? I searched but didn't find anything conclusive. Also, if you answer, don't say Use , give a reason,...

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Well what C:B ratio(s) do you use? That was my main question, just to see trends. Also, by noise output, I was talking about when people use short...

7 Replies

2277 Views

Last post by starman
Fri Dec 12, 2008 10:10 pm
Random comments

Last post by SpudFarm
Replies: 14
by D_Hall » Wed Nov 19, 2008 9:57 pm

First post

Jezusssss, it's fracking ginormous.

Last post

It really is cool to see a welder get *inside* the pipe to weld it.

i can imagine! atleast when that is the barrel/chamber of a gun!

congratts on...

14 Replies

4747 Views

Last post by SpudFarm
Fri Dec 12, 2008 3:15 pm
Need Answer ASAP

Last post by Larda
Replies: 7
by FishBoy » Thu Dec 04, 2008 7:31 pm

First post

With a manometric meter, the size of the meter doesn't really matter does it?

(if so my chamber will be approxiamately 12 x 1.5 or 1.25 )

thanks...

Last post

I can tell you that DYI is in good health. :)

7 Replies

2686 Views

Last post by Larda
Fri Dec 05, 2008 9:03 pm
Manometric calcs

Last post by daberno123
Replies: 3
by FishBoy » Fri Dec 05, 2008 7:23 pm

First post

Sorry, but i was looking for manometric fueling formulas/calcs and I couldn't find them. If someone could paste them into a reply that would be great.

Last post

It encompasses both. Couldn't have hurt to just check :D

3 Replies

1795 Views

Last post by daberno123
Fri Dec 05, 2008 7:50 pm
few hybrid questions

Last post by jimmy101
Replies: 10
by FishBoy » Tue Dec 02, 2008 3:32 pm

First post

1. Whats a good C:B ratio for low mix (1-6) hybrids

2. I understand manometric meters are easier to use, how accurate of a pressure guage do I need...

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propane is less forgiving, but more powerful and cheaper.
The energy content of propane and butane are basically identical. You wouldn't be able to...

10 Replies

3036 Views

Last post by jimmy101
Thu Dec 04, 2008 1:05 pm
possible very low x basketball hybrid?

Last post by starman
Replies: 17
by isban » Fri Nov 28, 2008 11:45 pm
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a while ago i gave my basketball cannon propane fueling. while that was all well and good, i couldnt help but wonder if i could push it a little...

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What kind of pipe are you planning on using?

Ideally you would want 10 for a basketball. If you stay with PVC, keep the hybriding at 2x or lower.
17 Replies

7543 Views

Last post by starman
Wed Dec 03, 2008 1:35 am
Mini Hybrid fueling components...

Last post by THUNDERLORD
Replies: 2
by THUNDERLORD » Tue Sep 16, 2008 1:32 pm

First post

Hi fellas, I'm Still out of town. :(
But I went in a local tobacco shop here, Which turned out to sell . I noticed something like These
I was...

Last post

Just an update to my old topic here,
I picked up a case of those whippet cylinders (pressurized N2O),
I'm planning on inserting one in a CO2 tire...

2 Replies

1456 Views

Last post by THUNDERLORD
Sat Nov 29, 2008 6:21 pm
2.5" burst discs?

Last post by WOW!!
Replies: 8
by ALIHISGREAT » Thu Oct 23, 2008 8:02 am

First post

ok so i want a tennis ball hybrid... but what could i use for a burst disc on 2.5 camlocks that would hold 100-150 psi?

Last post

This is the more expensive idea but photo paper works well, mind you the cost tho. But when I used it for 2-3x mixes it held up well.

8 Replies

4260 Views

Last post by WOW!!
Thu Nov 13, 2008 8:12 pm
Hybrid Hydrogen Fuel Canisters

Last post by jimmy101
Replies: 10
by fogus » Tue Nov 11, 2008 6:35 pm

First post

In my quest for an ever simpler means of construction, I thought it might be fun to try hydrogen/oxygen, created from the electrolysis of water.

I...

Last post

The sodium hydroxide is there to make the water conduct electricity, while not electrolyzing by itself.
It does NOT prevent corrosion of the...

10 Replies

4779 Views

Last post by jimmy101
Thu Nov 13, 2008 4:15 pm
Ignition past valve / Ignition by fuze

Last post by fogus
Replies: 8
by fogus » Tue Nov 04, 2008 10:37 pm

First post

Hello,

I have a question for the hybrid gurus. I would like get some input on the ignition of a hybrid in two very non orthodox ways: either by fuze...

Last post

I played around with gasEQ. Does someone mind checking to see if the following would be reasonable for an insane 12X accident (maybe I should stay...

8 Replies

8590 Views

Last post by fogus
Wed Nov 12, 2008 11:10 pm
Manometric metering help

Last post by SpudFarm
Replies: 14
by Dave_424 » Sun Nov 02, 2008 5:03 pm

First post

I was wondering if this would be a good setup for metering my paintball tank hybrid:

paintball tank => threaded to a 1/4 ball valve => 1.4 tee with...

Last post

@ Larda,
And what would one pay for such a beauty hmm?

from MY memory it was about $900 or $250...

pretty sure it was the 900 one.

i also think...

14 Replies

5765 Views

Last post by SpudFarm
Tue Nov 04, 2008 2:51 pm
Flash circit to an ignition coil

Last post by Dave_424
Replies: 6
by Dave_424 » Sun Oct 26, 2008 3:16 pm

First post

hey all, for the ignition on my hybrid, I am going to dump a disposable camera flash through an ignition coil.

I was just wondering whether this is...

Last post

Thanks hotwired will go to the local scrap yard to pick up an ignition coil :P

Dave

6 Replies

2042 Views

Last post by Dave_424
Sun Oct 26, 2008 4:16 pm
Decided to build a hybrid

Last post by starman
Replies: 13
by Dave_424 » Sat Oct 18, 2008 1:08 pm

First post

Hi all BTW im from england!!, I have decided to build a hybrid and was wondering what chamber material I should use. I can't find a SCBA tank for any...

Last post

BC says they can go to Canada just fine. Was the reason they were converted to high voltage circuits to begin with.

13 Replies

3946 Views

Last post by starman
Thu Oct 23, 2008 1:45 am
Quick release couplings for burst disk holder?

Last post by ALIHISGREAT
Replies: 3
by ALIHISGREAT » Sat Oct 18, 2008 5:19 pm

First post

After deciding to scale down my hybrid plans to a 6mm bore, i have to find another option for burst disk holders as cam-locks don't come small...

Last post

ok thanks, i found a stainless steel one along with some nice stainless fittings so i'll go with that.

3 Replies

1755 Views

Last post by ALIHISGREAT
Sun Oct 19, 2008 11:39 am
micro hybrid

Last post by microman171
Replies: 26
by jean » Fri Oct 10, 2008 2:13 pm
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First post

hi

i can´t find a really micro hybrid on this site.
what do you think about a micro hybrid with chamber volume 1ccm?
use syringe to fill up to...

Last post

I have always wanted to make a hybrid plinker too! In NZ fittings cost MUCH MUCH more. I was thinking of using 0.8mm tubing (steel I think) from the...
26 Replies

8804 Views

Last post by microman171
Sat Oct 18, 2008 12:26 am
Aluminium, is it safe?

Last post by kenbo0422
Replies: 20
by MaxuS the 2nd » Sun May 25, 2008 6:05 am
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Hey guys,

I just need an opinion on whether Aluminium would be ok for a Hybrid chamber. The walls of the chamber will be atleast 3mm thick. It's...

Last post

You do not want to get near this yield pressure - so really, you don't want to be going much above a third of whatever number you get.
Half at most,...
20 Replies

5996 Views

Last post by kenbo0422
Fri Oct 17, 2008 11:49 am
Pneumatic springs in a piston hybrid

Last post by ramses
Replies: 5
by ramses » Sat Oct 04, 2008 5:42 pm

First post

I plan to make a piston hybrid with the piston valve in a 2 tee, 1.5 porting. I intend to seal the normal pilot area off from the rest of the guy...

Last post

that does leave out inertia, however. close enough. :D

on an unrelated note, any advice on the massive recoil expected of the whole gun,...

5 Replies

2219 Views

Last post by ramses
Mon Oct 06, 2008 2:23 pm

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