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Hybrid ThorJack

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Unread postAuthor: HunterT » Mon May 07, 2012 1:01 am

have you thought about doing any long range shooting with that rifled .50 cal barrel and a scope?
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Unread postAuthor: Petitlu » Mon May 07, 2012 1:13 am

I have already shot at 100m with this barrel, with Elurick to 200bar
I do not put it on because I do not Thorjack not shoot with tungsten ...
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Unread postAuthor: jackssmirkingrevenge » Mon May 07, 2012 1:28 am

A smoothbore barrel definitely gives you a lot more options if you plan on using different types of projectiles. For some sabot rounds (like the ones I made for 8mm bearings) the rifling is an advantage because it not only imparts stability to the round but also provides a centrifugal force which aids sabot separation. On the other hand rifling adds a lot of friction drag which limits muzzle velocity, one of the reasons most tank guns these days are smoothbores.
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Unread postAuthor: Petitlu » Mon May 07, 2012 1:33 am

Elurick :

http://www.spudfiles.com/forums/pac-120 ... t,105.html

totally agree with you Jack

I'm glad you love the look!

:D
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Unread postAuthor: jackssmirkingrevenge » Mon May 07, 2012 1:37 am

One of the things I like most about this configuration is that the chamber is not directly next to your face so it will limit danger in the unlikely event that something goes wrong, as opposed to if you were resting your cheek on it as you would in a conventional bullpup design.
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Unread postAuthor: Petitlu » Mon May 07, 2012 1:40 am

I did not press her cheek against the chamber, this is why the look of the M82A2 Barret I liked!

The Thorjack measure 130cm and 148cm Barret!
:lol:
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Unread postAuthor: jackssmirkingrevenge » Mon May 07, 2012 2:08 am

Petitlu wrote:The Thorjack measure 130cm and 148cm Barret!


The thought of making a more "compact" but still beastly launcher is tempting. Yesterday I started to play again with hybrid cartridges, now that I made a reliable fill rig it seems a shame to have stopped the project! Expect some results over the coming days :)

On another note, there was apparently an experimental motherlover of a weapon with a similar "shoulder fired" configuration made by Maadi-Griffin, but chambered for the :shock: 30mm cannon round :shock: as fired by the A-10's GAU-8/A gatling!

Image

Image

In case you were wondering how big that round is:
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Unread postAuthor: Petitlu » Mon May 07, 2012 2:43 am

30mm :shock: :shock:
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Unread postAuthor: jackssmirkingrevenge » Mon May 07, 2012 4:47 am

Petitlu wrote:30mm :shock: :shock:


Since it never seems to have made it to production, I'm guessing it was a step too far... even if it incorporated a "recoilless" system like the RT-20, it would still be too much to handle.

Barrett have a 25mm rifle out, but it has a tiny propellant charge compared to a even a 20mm cannon round and fires nowhere near the velocity of the 30mm round pictured above.

Image

That would be a pretty cool project :D
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Unread postAuthor: Petitlu » Mon May 07, 2012 4:51 am

Bah .. a 12mm is good too!
:D

I will try to test tungsten / aquarium this afternoon
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Unread postAuthor: Fnord » Mon May 07, 2012 5:17 pm

Oh c'mon jsr, I don't even watch anime and I knew about this one. ;)

1:25
v

[youtube]http://www.youtube.com/watch?v=oarLey1Dk0Y[/youtube]

http://hellsing.wikia.com/wiki/Harkonnen
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Unread postAuthor: jackssmirkingrevenge » Tue May 08, 2012 12:08 am

I can conceive of a weapon with sufficient recoil mitigation in terms of muzzle brakes and shock absorbers that would allow the firing of single 30mm cannon rounds from the shoulder, but full auto and dual wielded, I think we've slightly overstepped the boundaries of reality here ;)
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Unread postAuthor: Petitlu » Tue May 08, 2012 3:21 am

mouths of the brakes are hard to do!
The ones I do are quite effective but with good equipment that would be even better.
I have not been able to test yesterday ... :?
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Unread postAuthor: al-xg » Tue May 08, 2012 3:33 am

As long as you remember keep 80% of your weight on your front foot I'm sure you'll be fine :D
[youtube]http://www.youtube.com/watch?v=HyAl9qK3Rlg[/youtube]
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Unread postAuthor: Petitlu » Tue May 08, 2012 3:45 am

I will remember for Thorjack!
:D
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