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

1439460 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

843041 Views

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

Topics

precise propane regulator for just a couple of $

Last post by Zeus
Replies: 7
by POLAND_SPUD » Sun Feb 13, 2011 2:58 pm

First post

uhmm ok so I found an old propane regulator in my basement (of this type >>>)

It's used for gas stoves so it is really really cheap... I can get a...

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Turns out I've got an adjustable reg too, I can remove the plastic adjusting thingy and replace the spring if I need to as well.

Edit: Here's a...

7 Replies

4578 Views

Last post by Zeus
Mon Jun 06, 2011 7:28 pm
Benzene hybrid?

Last post by SpudBlaster15
Replies: 6
by saefroch » Wed Jun 01, 2011 5:04 pm

First post

GasEQ says a 5X benzene hybrid will produce max chamber pressure about 897psi, whereas a propane 5X hybrid will only produce about 553psi....

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

6 Replies

2636 Views

Last post by SpudBlaster15
Thu Jun 02, 2011 8:58 pm
Unbalanced spool valve for coaxial hybrids

Last post by POLAND_SPUD
Replies: 14
by POLAND_SPUD » Wed May 25, 2011 2:41 pm

First post

So this is just a slightly modified version of the system I am going to use. However this one does not use a detent - instead it relies on an...

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The only difference is that your piston seals inside the barrel as opposed to the face sealing against the breech end. naah, you can use both...

14 Replies

7162 Views

Last post by POLAND_SPUD
Thu May 26, 2011 12:08 am
another hybrid...

Last post by daniel0663
Replies: 18
by MrCrowley » Thu May 12, 2011 2:58 am
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...well someone has to keep this showcase section alive :D

Nothing really interesting here just my old M480 hybrid put back together and changed up...

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Awesome hybrid considering it's made from spare parts? :P
i wish i had the knowledge to build something like this, or even a simple hybrid without...
18 Replies

8399 Views

Last post by daniel0663
Tue May 17, 2011 3:48 am
Camera flash circuits

Last post by saefroch
Replies: 11
by saefroch » Tue May 10, 2011 8:01 pm

First post

After removing the flash circuit from a disposable camera and successfully liberating the flash bulb without damage to any of the internals, I am...

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Yes. Thanks, all I really needed :P

I have a 101-level understanding of E&M, but I've never encountered a switching mechanism like is described, so...

11 Replies

6174 Views

Last post by saefroch
Wed May 11, 2011 12:47 pm
Community Project #1 - Handheld, High Mix, Hybrid

Last post by Copperboy
Replies: 150
by Hubb » Tue Sep 22, 2009 5:19 pm
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The objective for Community Project #1 is to construct a hybrid launcher that is regularly fired at 10x mix, is comfortable enough to be held before,...

Last post

That system + piston hybrid might be the way to go.

Maybe like this, although I think I put the check valve wrong. But the idea is almost like...
150 Replies

43899 Views

Last post by Copperboy
Tue May 10, 2011 1:33 am
My mini-hybrid project

Last post by jakethebeast
Replies: 12
by jakethebeast » Sun Apr 10, 2011 9:16 am

First post

hi!
When JSR got the mini-hybrid working on high-mixes, i decided that i want to build something like that. Well today i had time and went to my...

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Sry for the delay, but fixing Tuna has tooken all my time. I might have tomorrow some time to attach the valve for filling. Second thing is, my local...

12 Replies

4257 Views

Last post by jakethebeast
Sun Apr 17, 2011 1:29 pm
ignition source

Last post by jackssmirkingrevenge
Replies: 30
by Major Collins » Mon Apr 11, 2011 8:35 pm
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has anyone tried using a graphite rod or even a light bulb in a circuit with a on /off switch to light their propellent in their hybrid/ combustible....

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Painfulbutdeliberatebackwardssmileyface

I literally cringed while I typed that, but I soldiered on knowing it was integral to the effect :?
30 Replies

9003 Views

Last post by jackssmirkingrevenge
Sun Apr 17, 2011 1:22 pm
sparks - zaping

Last post by jimmy101
Replies: 5
by Major Collins » Fri Apr 15, 2011 1:21 pm

First post

if you have a metal body for your combustible / hybrid , upon ignition will you get zapped? having the spark is using the metal body to complete the...

Last post

if you have a metal body for your combustible / hybrid , upon ignition will you get zapped? having the spark is using the metal body to complete the...

5 Replies

2566 Views

Last post by jimmy101
Sat Apr 16, 2011 12:23 pm
Need advice on my hybrid sniper rifle setup

Last post by warhead052
Replies: 6
by CPF » Mon Apr 11, 2011 7:00 pm

First post

hello spudfiles any advice or solutions would be greatly appreciated. Ive looked everywhere and couldnt find what i needed so i decided to post a...

Last post

First clean your room, or do the video outside in the sun light. Spark plugs would work, you could always use a.... Ahh whats it called? I cant...

6 Replies

2945 Views

Last post by warhead052
Tue Apr 12, 2011 10:19 am
Super Simple Mini Piston Hybrid?

Last post by ilovefire
Replies: 59
by Lockednloaded » Mon Dec 13, 2010 9:34 pm
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I finally got some decent epoxy, so I've been designing some pretty cool small projects to use it with. while I was designing away, I though of an...

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if i was you i wouldnt take my word for it i was just thinking that with a projectile in the barrel and the speed of ignition for a split second the...
59 Replies

29771 Views

Last post by ilovefire
Tue Mar 29, 2011 7:14 am
How to inject MAPP through a Schrader valve?

Last post by jackssmirkingrevenge
Replies: 15
by zomgwtfbbq » Fri Apr 09, 2010 7:38 am
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Has anyone injected MAPP through a Schrader valve? I searched the forums for a how-to but couldn't find one.

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I had made an adapter that fits a syringe for injecting fuel:
15 Replies

7355 Views

Last post by jackssmirkingrevenge
Tue Mar 29, 2011 1:46 am
would this hold?

Last post by Technician1002
Replies: 4
by domino » Sun Mar 27, 2011 7:44 am

First post

thinking of making a hybrid with this as the chamber...

Also want to use one of those co2 tyre inflators for compressed air, with a decent heavy...

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Do you have a source of high pressure air for the inflater valve? It may work if you use air instead of CO2.

4 Replies

1998 Views

Last post by Technician1002
Sun Mar 27, 2011 9:56 am
THIS, is what happens when you left fuel meter valve open

Last post by Hubb
Replies: 5
by jakethebeast » Mon Mar 21, 2011 10:33 am

First post

hi!

I was shootin cans and tennisballs out of my hybrid cannon. And once i forgotted to shut the ball-valve that connects the meter and the...

Last post

I suppose this is better than leaving the end cap off the launcher (burnt hair smells awful.)

5 Replies

2963 Views

Last post by Hubb
Fri Mar 25, 2011 6:30 am
Percent by volume for fuel air mixes

Last post by Secret Squirrel
Replies: 12
by Secret Squirrel » Fri Mar 18, 2011 3:44 pm

First post

I'm working on a little project, that once finished could be helpful to those of you working on hybrids or advanced combustions.

I've gotten...

Last post

I actually spent more time figuring out how to program a GUI for this than anything, and so the actual calculations are a little simplified....

12 Replies

4005 Views

Last post by Secret Squirrel
Sun Mar 20, 2011 5:30 pm
Teaser: new inspiration

Last post by Brian the brain
Replies: 19
by Brian the brain » Tue Mar 01, 2011 2:29 pm
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I wonder if you guys can guess what I'm thinking..

I noticed that the front fork legs from my bobber bike, that I replaced for longer ones...had...

Last post

The hammer and floating rod together will form the safety.
My idea is it won't work without cocking the hammer..

but..
You are right...it's not...
19 Replies

6943 Views

Last post by Brian the brain
Tue Mar 15, 2011 2:11 am
Question for those who've played with high mixes...

Last post by D_Hall
Replies: 16
by D_Hall » Wed Mar 02, 2011 7:29 pm
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What are the reasonable limits?

Put it this way: I may be building a hybrid out of 6 sch 160 pipe. Oxygen may very well be involved. The point is:...

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a quick run to the shop during a free hour would take care of it.
Hehehehehee.... Best laugh I've had in quite a while. As busy as I am, I know that...
16 Replies

5621 Views

Last post by D_Hall
Sun Mar 06, 2011 7:58 pm
using solenoid and IR sensor as boltlock on cardridge hybrid

Last post by Technician1002
Replies: 5
by jakethebeast » Mon Feb 28, 2011 5:22 pm

First post

Good evening SpudFiles!

I just got an idea, when you make a semi-automatic cadridge ejecting gun, to make it have the best power you need to make a...

Last post

The amount of energy is related to the mass of the bolt in relation to the mass of the projectile in an inverse relationship. For less energy in the...

5 Replies

1946 Views

Last post by Technician1002
Tue Mar 01, 2011 12:38 pm
Source for high voltage power supplies for ignition

Last post by jagerbond
Replies: 1
by BigBang J » Sun Feb 27, 2011 8:36 pm

Hello, I am looking for a good ignition source for my hybrid gun. For my first hybrid I used a stun gun rated at 950,000v. Which was way overkill,...

1 Replies

1790 Views

Last post by jagerbond
Sun Feb 27, 2011 8:41 pm
Propane meter question.

Last post by Technician1002
Replies: 2
by TomMazzone » Fri Feb 18, 2011 9:48 am

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So I think I have down the concept of the propane metered spud gun. I understand that the optimal combustion environment for propane is 4% gas to...

Last post

im not 100% sure what the max pressure propane can reach before becoming a liquid
That is dependent on the temperature. You want the meter pipe to...

2 Replies

1453 Views

Last post by Technician1002
Fri Feb 18, 2011 10:54 am
Hybrid Fueling Spreadsheet

Last post by saefroch
Replies: 19
by saefroch » Sat Jan 29, 2011 7:50 pm
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I believe it was suggested earlier that somebody create a spreadsheet for hybrid fueling, so because I had about half an hour after the AP chem...

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Downloadable zipped file added. Does anyone know what's up with my max fueling error column? Previously max fueling error decreased as mix #...
19 Replies

8408 Views

Last post by saefroch
Wed Feb 02, 2011 3:12 pm
$37AUD Hybrid

Last post by Zeus
Replies: 26
by Zeus » Fri Jul 02, 2010 12:49 am
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Yesterday I designed a hybrid (in my head). I ended up in a hardware
store 4 1/2 hours ago. This is the result.

It still needs the spark gap, cable...

Last post

I'll look for those, it should fit into a 1/4 to 1/8 bushing and seal better than my other options.

Just need a 1/4 ball valve so I can get rid of...
26 Replies

14490 Views

Last post by Zeus
Tue Feb 01, 2011 6:18 pm
Comically oversized gauge

Last post by Lockednloaded
Replies: 8
by Lockednloaded » Mon Jan 31, 2011 10:23 pm

First post

I've been working on a hybrid that will use manometric metering, so I needed a precise LP gauge, I though I found the perfect one, but I ignored the...

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its glycerin filled, so it weighs about five pounds. A cool thing about it is that there is a switch that zeroes to gauge at the top

8 Replies

3734 Views

Last post by Lockednloaded
Tue Feb 01, 2011 3:05 pm
Hybrid Piston and Pilot valves

Last post by MashedPotatoes87
Replies: 9
by MashedPotatoes87 » Thu Jan 27, 2011 12:02 am

First post

Ok, forgive me because I've been looking around the forums here and I cant find anything that really explains exactly how exactly a piston hybrid...

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The fan would have to be external because if it were in the chamber it would be destroyed
Yeah I knew that, I've seen pictures of destroyed ones...

9 Replies

5233 Views

Last post by MashedPotatoes87
Thu Jan 27, 2011 5:55 pm
hybrid fueling

Last post by jakethebeast
Replies: 24
by jakethebeast » Sun Jan 23, 2011 12:24 pm
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good evening spudfiles!

i know that here are tons of topics about hybrid fueling but still, i dont understand it.

Im building my first hybrid,...

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crowley: no, im nmot going to leave it like this. Im just happy that i got it to work. today im going to measure the chamber and my fill area, to see...
24 Replies

29022 Views

Last post by jakethebeast
Wed Jan 26, 2011 12:42 am

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