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

1112732 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

718929 Views

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

Topics

Bypass metering pipes?

Last post by Moonbogg
Replies: 5
by Moonbogg » Fri May 15, 2009 1:41 am

First post

I was thinking about bypassing metering pipes altogether. I want to have a nice, clean and simple design. I am thinking of having the cannon powered...

Last post

A flash suppressor will stop it dead by means of a porous material or bubbling through a non flammable material.

So as long as the valves are in a...

5 Replies

2130 Views

Last post by Moonbogg
Fri May 15, 2009 4:15 am
First hybrid, help make it a good one

Last post by Mike_Hunt0420
Replies: 11
by Mike_Hunt0420 » Fri May 08, 2009 2:06 pm

First post

I'm new here and this is actually my first post on the forums but I had what I thought was a decent query... I'm wanting to mod my steel construction...

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Thank you for the encouragement and as for the name I will think about having it changed. though this will be the only place it isn't my name, heck...

11 Replies

4428 Views

Last post by Mike_Hunt0420
Sat May 09, 2009 5:28 pm
A fuel meter problem - thoughts hugely welcome.

Last post by THUNDERLORD
Replies: 8
by SPG » Sat Apr 25, 2009 5:24 am

First post

Years of reading, thinking, doodling, mean I'm now 90% there on a BB Repeating Hybrid , but there's one thing that's got me stumped, and that's fuel...

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I realized my stupid error on last reply after posting and haven't been online since... :oops:

For some reason I was thinking of the flow...

8 Replies

2880 Views

Last post by THUNDERLORD
Sun May 03, 2009 4:26 pm
Hybrid Equations

Last post by starman
Replies: 10
by mega_swordman » Wed Apr 22, 2009 11:43 pm

First post

So I have been doing my homework, but there are some things in Hybrid cannon design that I cannot seem to find. Could someone kindly provide the...

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Anyone who hasn't been over to Jimmy's website should go over and peruse around some....some good info.

10 Replies

8444 Views

Last post by starman
Fri Apr 24, 2009 12:48 am
Just thought i'd share

Last post by jrrdw
Replies: 4
by Moonbogg » Mon Apr 20, 2009 6:57 pm

First post

Here is my progress thus far in a do-it-yourself version of an over under style Combustion/Hybrid design. It will consist of standard parts that can...

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Looking good so far. Would this be for the contest???

Not to be picky, but does this have something new and innovative? If he added some burst disk...

4 Replies

2594 Views

Last post by jrrdw
Mon Apr 20, 2009 7:21 pm
High pressure check valve

Last post by jook13
Replies: 1
by inonickname » Mon Apr 20, 2009 3:47 am

First post

I'm looking for a VERY small check valve that will resist a 20X air/propane mixture or air/butane. To give an emphasis on size the chamber is 1/4 by...

Last post

Anyone know the pressure a presta valve can hold? They make an awesome check valve.

1 Replies

1514 Views

Last post by jook13
Mon Apr 20, 2009 7:04 pm
New sick idea

Last post by Moonbogg
Replies: 4
by Moonbogg » Wed Apr 15, 2009 4:12 pm

First post

OK, the juices are flowing. Check out the first spark of this new gun, its just an idea right now. A 6 shot rotary hybrid. All aluminum with rotating...

Last post

Fair enough. I can already see it in my head. I can feel the recoil. Its going to be great. It won't be able to top the raw power of the Venom...

4 Replies

2329 Views

Last post by Moonbogg
Wed Apr 15, 2009 6:12 pm
H.V.S-1 (WITH VIDEO)

Last post by spanerman
Replies: 61
by spanerman » Fri Aug 10, 2007 4:46 am
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ITS BLACK

Funny vid i made when i was bored

hears some damamge pics

VIDEO

sorry for bad quality.. shot was 3x PET disk and a borad...

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right, ive been gone a year!! im deffo going to get the old girl going again, need to get a better spark and il be sorted...and to remember what i...
61 Replies

27324 Views

Last post by spanerman
Mon Apr 13, 2009 9:17 am
Possible Piston Valve Hybrid Design

Last post by frocksie
Replies: 6
by frocksie » Thu Apr 02, 2009 7:27 pm

First post

I was just thinking about making a piston valved hybrid when I came up with this idea, and I was looking for some imput on the design. I didn't...

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Mitch : This would be a hybrid piston valve.
Jook : I wasn't sure if the pop off would be necessary, as I wasn't quite sure as to the opening time...

6 Replies

5185 Views

Last post by frocksie
Thu Apr 02, 2009 10:07 pm
Captain's mini hybrid

Last post by CpTn_lAw
Replies: 9
by CpTn_lAw » Tue Mar 24, 2009 4:01 pm

First post

Hey guys I just finished my latest hybrid, and successfuly fired it at 4x!! (after 5 minutes of mixing...)
Nothing new here, The main chamber is a 1...

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Lol, Yeah that was a footage of 5min34, 284 Mo ;) I have too much work for now, the cannon will be posted in a month give or take.

9 Replies

2976 Views

Last post by CpTn_lAw
Wed Apr 01, 2009 12:19 pm
once more, burst disk holders!

Last post by SpudFarm
Replies: 37
by SpudFarm » Sat Mar 14, 2009 7:04 pm
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please do me a favor and read the whole topic!

i am back into spudding now, i will start off by making my half done hybrid fully done and...

Last post

i want to use lead because it will stick to the walls of the copper pipe without an extra pain in the arse.
wood would have to be secured and that's...
37 Replies

7932 Views

Last post by SpudFarm
Tue Mar 31, 2009 9:03 am
6mm hybrid design

Last post by jackssmirkingrevenge
Replies: 31
by jackssmirkingrevenge » Wed Sep 05, 2007 10:54 pm
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As hybrids aren't really my thing, thought I'd run this by the board first - any reason why this design shouldn't work? Any tips and advice...

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Not too keen on using oxygen at this point.

Kicking this up because I might have reconsidered my fears expressed above in terms of working with...
31 Replies

11632 Views

Last post by jackssmirkingrevenge
Fri Mar 27, 2009 4:17 pm
Hybrid Questions

Last post by DonTheLegend
Replies: 2
by DonTheLegend » Mon Mar 23, 2009 6:09 pm

First post

Looking at everyone else's hybrids has got me wanting to make one too. I've been kicking ideas around for a little while and I have some questions....

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Yea I'm not worried about metering, that part is pretty straight forward, I just have to decide which method to use. And I've built piston valves...

2 Replies

2093 Views

Last post by DonTheLegend
Mon Mar 23, 2009 6:25 pm
A hybrid hybrid cannon

Last post by psycix
Replies: 8
by rp181 » Sat Mar 21, 2009 6:31 pm

First post

So ha hybrid is a combo of a combustion and a pneumatic.Now its time to make a hybrid hybrid,a hybrid combined with a pneumatic =)

I am in need of a...

Last post

Yep its closed or else you would lose compression.

8 Replies

7190 Views

Last post by psycix
Sun Mar 22, 2009 10:20 am
Full auto idea

Last post by psycix
Replies: 5
by daccel » Sun Mar 15, 2009 10:46 pm

First post

I keep thinking that there has to be a way to create a full auto hybrid without a timing circuit and solenoid valves.

But I can't get around the...

Last post

You could. But with a weak spring in the blow forward you wouldn't have to.

5 Replies

2374 Views

Last post by psycix
Wed Mar 18, 2009 3:24 pm
Fueling - Butane torch and pump

Last post by daccel
Replies: 9
by daccel » Sun Mar 01, 2009 4:03 pm

First post

This fueling system uses a small butane torch to mix the fuel/air, an intake chamber, and a small pump consisting of a piston, equalization or intake...

Last post

Thanks for the thorough explanation Rag, I will check out GasEq.

inonickname, thanks. Yes there is a venturi (I think? .. two small holes in the...

9 Replies

6714 Views

Last post by daccel
Wed Mar 18, 2009 3:20 am
Not Sure if it's been done...

Last post by Fnord
Replies: 19
by jeepkahn » Thu Feb 26, 2009 12:29 pm
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Or doable for that matter, I'm just throwing this out there, combustibles and hybrids aren't my thing so , NO, I haven't searched it...

Has anybody...

Last post

Fnord, what kind of volume...
...boyle's law... ...other stuff.

Yeah, I deliberately put a lot of piston travel in my hybrids because of this. I...
19 Replies

5968 Views

Last post by Fnord
Mon Mar 16, 2009 10:57 am
New hybrid design

Last post by mark.f
Replies: 1
by daxspudder » Mon Mar 09, 2009 4:39 pm

First post

Okay, so I know someone at work(who refuses a photo shoot) who built a hybrid using an amazing valve workup. The main firing valve is a 1.5 QEV, when...

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But what are the advantages over a regular piston hybrid like _Fnord's? This is basically what DR's first hybrid design was like, although his was a...

1 Replies

3192 Views

Last post by mark.f
Mon Mar 09, 2009 4:47 pm
hybid igniton

Last post by c11man
Replies: 6
by c11man » Mon Mar 02, 2009 7:06 pm

First post

i am in the dreaming stage of a hybrid and i was wondering if there is much or any diffenence between having the ignition source in the miiddle of...

Last post

thanks for the help starman
:D

6 Replies

2340 Views

Last post by c11man
Tue Mar 03, 2009 9:35 pm
HGDT ??? Can someone help me install it. Having problems

Last post by Rob748
Replies: 8
by Rob748 » Sat Feb 28, 2009 11:49 am

First post

I have ben trying to install Hgdt but everytime I click run it says Comdlg32.ocx is missing or one of its files is not registed. Im using Vista. Has...

Last post

How do I register them. I have no clue about computers

8 Replies

3598 Views

Last post by Rob748
Sun Mar 01, 2009 2:56 pm
Autoignition

Last post by daccel
Replies: 13
by daccel » Sun Feb 22, 2009 6:37 pm

First post

This thread seems to determine that propane/air will autoignite at around 15:1. But that was in reference to being compressed by the deflagration....

Last post

It really shouldn't, unless you happen to exceed the norms for human physical performance by a ridiculous amount.

wear an electromagnet on your...

13 Replies

7359 Views

Last post by daccel
Sat Feb 28, 2009 2:43 am
Bored with a question

Last post by ramses
Replies: 8
by Rob748 » Fri Feb 27, 2009 4:30 pm

First post

Im am not doing this or attempting this Lol.

what would it take to get a Bb shot out hybrid to do around 2000 fps ?

Just wondering Lol

Last post

my sister is 8 and she doesn't require spoon-feeding. not what you mean, but whatever.

she can't yet cut her food, but she doesn't need a booster...

8 Replies

3474 Views

Last post by ramses
Fri Feb 27, 2009 9:26 pm
Icon- new hybrid

Last post by ramses
Replies: 35
by trigun » Tue Feb 10, 2009 7:10 pm
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This is my first hybrid allong with being my 5th cannon ever built
- 60.41 cubic inch chamber
- 2 sch.40 steel 12 long
- 1.5 union
- own spark plug...

Last post

alternatively leave the flashlamp in there and hook the original trigger contacts to the remote cable. they still carry considerable voltage, but the...
35 Replies

15061 Views

Last post by ramses
Fri Feb 27, 2009 7:32 pm
Hybrid golf ball barrel question

Last post by Combustion Monkey
Replies: 7
by Combustion Monkey » Sun Feb 22, 2009 11:36 am

First post

I have been running some numbers on HGDT before I build the chamber for my new project. I would like the gun to fire golf balls at 4x and be hand...

Last post

one more tip if you can find the pipe, on my hybrid i used 50mm (almost exactly 2 ) hydraulic high grade steel pipe as barrel, it has a ID that is so...

7 Replies

4668 Views

Last post by Combustion Monkey
Tue Feb 24, 2009 3:34 pm
Semi auto design

Last post by daccel
Replies: 41
by daccel » Sat Jan 17, 2009 12:38 am
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It is basically a coaxial piston hybrid. The spring behind the piston is compressed air with a divider having a check valve and a small hole to make...

Last post

Yeah, I've got skills 8)

No, as much as I'd like to one up him on that, I'm afraid it's not auto cycling. I had it hooked up to my bike pump and it...
41 Replies

13908 Views

Last post by daccel
Mon Feb 23, 2009 10:04 pm

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