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...

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

560822 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

509794 Views

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

Topics

How to replace bursting discs

Last post by jackssmirkingrevenge
Replies: 1
by yyt » Tue Jul 04, 2023 9:05 am

First post

I'm considering semi-automatic supercharged combustion, but I can't replace the bursting disc quickly. Is there any solution?

Last post

Have a look at hectmarr's projects , he has done a lot of valuable work in this field.

1 Replies

25108 Views

Last post by jackssmirkingrevenge
Tue Jul 04, 2023 11:02 am
@pump_upp - best crypto pumps on telegram !

Last post by Moonbogg
Replies: 1
by mrfoo » Sun Feb 05, 2023 12:10 pm

First post

Fuck off, spamcunt.

Last post

........lol..........

1 Replies

23483 Views

Last post by Moonbogg
Mon Apr 03, 2023 6:42 pm
What is the best combustion vapor?

Last post by Wark
Replies: 2
by Wark » Mon Mar 20, 2023 6:57 pm

First post

This is my first post here, not sure if this question is in the correct area.

I'm getting ready to make alcohol gun and I got to thinking if alcohol...

Last post

I didn't know don't of this. Thanks for that information

2 Replies

28149 Views

Last post by Wark
Tue Mar 21, 2023 4:49 pm
Failure to break through 10mm steel plate

Last post by Stabilizing Finn
Replies: 11
by yyt » Tue Jan 31, 2023 1:04 am

First post

Mixing number: 150
Projectile diameter: 12mm
Projectile mass: 7g
Tube length: 100cm
Combustion chamber volume: 20cc
Target: 10mm a3 steel plate.
This...

Last post

Tried sometime ago to shoot 8mm steel ball bearing to steel plate and got similar resault, ball embedded itself into the plate and did not penetrate...

11 Replies

62041 Views

Last post by Stabilizing Finn
Sun Feb 05, 2023 2:40 pm
Failure to break through 10mm steel plate

Last post by yyt

by yyt » Tue Jan 31, 2023 1:06 am

Mixing number: 150
Projectile diameter: 12mm
Projectile mass: 7g
Tube length: 100cm
Combustion chamber volume: 20cc
Target: 10mm a3 steel plate.
This...

0 Replies

51235 Views

Last post by yyt
Tue Jan 31, 2023 1:06 am
Is there a more active website than this?

Last post by jackssmirkingrevenge
Replies: 8
by yyt » Fri Nov 11, 2022 7:14 am

First post

I think I'm late. Most of the posts were made 15 years ago. I missed the most active period of the forum. Is there a more active forum now? Or a...

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Not sure if the world also just got a bit more PC or woke or whatever they call it now. Given all of the bad gun related news, wielding plumbing...

8 Replies

26029 Views

Last post by jackssmirkingrevenge
Wed Jan 25, 2023 11:56 am
Help for spark plug leakage problem

Last post by yyt
Replies: 6
by yyt » Tue Jan 10, 2023 6:37 am

First post

I have ignited up to 150× through the spark plug, but under this pressure, the spark plug can't seem to keep its seal and start to leak. Is there any...

Last post

Do you think a self-made epoxy spark plug can work better?

I would make something like that:

Untitled.jpg

Using this sort of fitting:...

6 Replies

29754 Views

Last post by yyt
Thu Jan 12, 2023 6:49 pm
How do you install bursting discs?

Last post by jackssmirkingrevenge
Replies: 2
by yyt » Sun Dec 11, 2022 6:18 am

First post

At present, I use a cam lock with self-locking function. Although its rated pressure is 5mpa, I still mix it up to 70 times. It seems to work well,...

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What I've always done is sandwich the disc with a o-ring between threaded fittings, this is from my mini hybrid :

2 Replies

14235 Views

Last post by jackssmirkingrevenge
Thu Jan 12, 2023 12:22 pm
How accurate is your hybrid gun?

Last post by jimmy101
Replies: 1
by yyt » Sun Dec 11, 2022 6:31 am

First post

Can a stable chamber pressure be achieved by filling a fixed amount of fuel with a syringe? How much does your initial speed fluctuate? Because of my...

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1. Yes, fueling with a syringe is reproducible.

2. Shot to shot variation should be less than 10% in muzzle velocity, if you are using consistent...

1 Replies

7191 Views

Last post by jimmy101
Sun Dec 11, 2022 11:58 pm
Unable to run hgdt.

Last post by yyt
Replies: 2
by yyt » Tue Nov 22, 2022 6:39 am

First post

This is an error warning. I can't understand it. Can anyone help me?

Last post

Have you tried run as administrator ?

I downloaded a new component and it is now running successfully

2 Replies

19199 Views

Last post by yyt
Wed Nov 23, 2022 5:33 am
Questions about pressure and flow rate

Last post by yyt
Replies: 5
by yyt » Tue Nov 22, 2022 4:36 am

First post

Assuming that there are two combustion chambers A and B, the volume of A is twice that of B, and the initial pressure of B is twice that of A, then...

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theoretically, A and B should use the same amount of fuel, so their calorific values should be the same.

They use the same amount of fuel, but B...

5 Replies

25859 Views

Last post by yyt
Wed Nov 23, 2022 5:30 am
A brand-new ignition method

Last post by yyt
Replies: 33
by yyt » Sat Nov 05, 2022 2:29 am
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Hello, everyone, I am from China, and I don't speak English, so the following content comes from Machine Flip: In my country, gun control is very...

Last post

You can use my mother-in-law as a target... JOKE! :twisted: What I'm dying to know is if the whole concept will work well. In my opinion YES! she...
33 Replies

78262 Views

Last post by yyt
Fri Nov 11, 2022 10:00 pm
Questions about mixing multiples

Last post by jackssmirkingrevenge
Replies: 4
by yyt » Tue Nov 08, 2022 4:21 am

First post

With the same caliber and weight, how many times of mixing can achieve the kinetic energy of 7.67*39mm rifle bullet?

Last post

The pressure doesn't seem to determine everything.

A 10.5mm projectile has 1.36 times the base area as a 9mm projectile, this means for example...

4 Replies

18327 Views

Last post by jackssmirkingrevenge
Wed Nov 09, 2022 11:15 am
About explosion pressure

Last post by jackssmirkingrevenge
Replies: 3
by yyt » Mon Nov 07, 2022 10:33 pm

First post

The air contains 1/5 oxygen. Is the effect of using pure oxygen+propane the same as that of 5 times mixing? Are their pressure peaks the same?

Last post

But if my barrel is short, I may choose pure oxygen, because it burns fast enough, and compressed air is more suitable for long barrel. I think the...

3 Replies

9949 Views

Last post by jackssmirkingrevenge
Wed Nov 09, 2022 9:41 am
Rapid Fire Hybrid System

Last post by jackssmirkingrevenge
Replies: 24
by hectmarr » Mon Jan 04, 2021 7:05 pm
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I want to show a test of the system for my new hybrid to repeat. I finished building it today, and it works fine. I have to sort a little all the...

Last post

the tests at 20 meters, out of 4 shots, were only in 1 cans... :oops:

I hope the backstop was secure :D
24 Replies

54404 Views

Last post by jackssmirkingrevenge
Wed Oct 26, 2022 6:21 am
Single-pump handgun

Last post by hectmarr
Replies: 9
by hectmarr » Sat Sep 17, 2022 8:02 pm

First post

New design and prototype of the single-pump handgun, the Plink .25 .
It shoots 6.35 mm steel bb's, because I'm interested in reusing ammunition....

Last post

Very good contribution the patent of this system. I couldn't find anything, myself, regarding this. Thank you very much for sharing
I have a 3D...

9 Replies

15343 Views

Last post by hectmarr
Tue Oct 04, 2022 1:51 pm
Small semi automatic hybrid project

Last post by hectmarr
Replies: 129
by hectmarr » Sun Aug 20, 2017 3:53 pm
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First post

Hello !!
I was thinking about making a small, handheld semi-automatic.
I will try my best to expand this idea
Project of a semi-automatic hybrid,...

Last post

Simply amazing to see this in action, excellent work as always!

YES, interesting weapon to play. Thank you!! :)
129 Replies

168677 Views

Last post by hectmarr
Tue Oct 04, 2022 1:46 pm
Hybrid pumped weapon project

Last post by hectmarr
Replies: 19
by hectmarr » Sat Apr 30, 2022 6:19 pm
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This is a project called Armadas 1500 II . It is a weapon that works with an integrated air pump, it is a single shot, hybrid that precompresses at...

Last post

Ok! we are the prophets (of loud, hole-making fun and mischief) :evil:
It happens that if you don't hunt animals with these air guns, it's a boring...
19 Replies

35595 Views

Last post by hectmarr
Sun Aug 14, 2022 4:03 pm
Will it work?

Last post by jackssmirkingrevenge
Replies: 1
by Bon » Thu May 26, 2022 8:28 am

First post

Hello, I am fairly new to this and don't want to be a burden on the forum. I want to make what you could call a hybrid but nothing compared to what...

Last post

Welcome to the forum!

If you'll be using butane gas as a fuel, it will all be used when you fire, so you will have to re-inject fuel and...

1 Replies

5859 Views

Last post by jackssmirkingrevenge
Wed Jun 15, 2022 12:16 pm
Spark Rail

Last post by GoldGolfBallGun
Replies: 2
by GoldGolfBallGun » Sun Sep 19, 2021 1:21 am

First post

So, I have assembled two spark rails both with two gaps, outside of the chambers wired up and connected to 3 point electric ignitor all gaps spark...

Last post

It's all sorted, sorry for the late reply I don't get notifications for some reason and have to check my posts for additional comments.
And yes a...

2 Replies

9461 Views

Last post by GoldGolfBallGun
Wed Mar 02, 2022 4:18 am
Wires and Walls.

Last post by GoldGolfBallGun
Replies: 2
by GoldGolfBallGun » Tue Sep 14, 2021 3:08 am

First post

Hello Fellas, GGBG here.
I have done my own research to no avail and was curious how others (if at all possible, neatly and safely) feed wire through...

Last post

Thank you for the suggestion, I'll definitely go with the metal epoxy.
And I will be upgrading the cannon over time but for now it'll just be a base...

2 Replies

7257 Views

Last post by GoldGolfBallGun
Wed Sep 15, 2021 10:50 am
MAPP Gas Safety

Last post by GoldGolfBallGun
Replies: 3
by GoldGolfBallGun » Sat Sep 04, 2021 11:20 am

First post

Hello All,
I have done my own research, reached out to others yet I have no definitive answer, I also find forums confusing and couldn't get an exact...

Last post

Awesome to hear, and no it won't be a pre mixed source; Gas into metering system up to 3 bar than purged into chamber containing regular air. :)
I...

3 Replies

6816 Views

Last post by GoldGolfBallGun
Sun Sep 05, 2021 8:05 pm
Thoughts on my piston valve design

Last post by stup86
Replies: 41
by stup86 » Thu Jun 13, 2019 5:02 pm
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Hi all,

Attached are some images of the designs of my first hybrid cannon.

I've been working on piston valve and wanted people thoughts on the...

Last post

Are the fittings aluminum? I'm not familiar with the fittings you are going to use. I also don't know why commercial fittings are given the pressure...
41 Replies

74883 Views

Last post by stup86
Mon Aug 30, 2021 6:04 pm
Hybrid Piston Pilot Air Ratio

Last post by hectmarr
Replies: 18
by hectmarr » Sun Jun 27, 2021 11:58 am
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I have a small piston valve, and it seems to me that the piston area on the pilot side is too small, and therefore opens too early.
On the combustion...

Last post

It is not a very neat job, but it works fast and it pays quite little, it is what it is.

Almost like a T-34 tank :)

It's good that you have this...
18 Replies

23724 Views

Last post by hectmarr
Wed Aug 25, 2021 9:57 am
Any official studies of Hybrid Cannons?

Last post by D_Hall
Replies: 8
by 90zimara » Tue May 18, 2021 2:12 am

First post

I'm trying to show to my class of thermodynamics a little bit about hybrid cannons but haven't been able to find any, is there any existing article...

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I remember a paper that went with that presentation, but now that I think about it.... That may not have been public release. Not sure.

8 Replies

24031 Views

Last post by D_Hall
Fri May 28, 2021 1:06 am

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