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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: Petitlu » Thu May 03, 2012 5:03 pm

last vidéo :

[youtube]http://www.youtube.com/watch?v=ZLKLo6QdYTY[/youtube]
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Unread postAuthor: killerbanjo » Thu May 03, 2012 6:08 pm

Impressive :D
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Unread postAuthor: jackssmirkingrevenge » Thu May 03, 2012 11:54 pm

Very nice :)

As al-xg was saying, a heavier slower projectile might be the ticket. It will be less likely to shatter while still having the sectional density to penetrate.
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Unread postAuthor: Petitlu » Fri May 04, 2012 6:39 am

I have a question, research is difficult because of the language ...

Spudfiles on, there are many who shoot hybrid Mix40 or more? (except larda)

I'd love to see them
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Unread postAuthor: jackssmirkingrevenge » Fri May 04, 2012 7:10 am

Most people seem to have maxed out at 20-30x. Personally I've gone up to 28x maximum, because that's the most you can get using butane/propane at atmospheric pressure.
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Unread postAuthor: DYI » Fri May 04, 2012 7:21 am

I'm not aware of anyone currently using over 30X, save for Petitlu (Larda's been preoccupied with a pulse jet powered snowmobile for a while). I'll likely exceed 40X with my testing this summer, but that's all small scale indoor stuff. Mobile Chernobyl is interested in doing a high pressure hybrid, but he's been on about that for years now... :roll:
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Unread postAuthor: Petitlu » Fri May 04, 2012 7:29 am

" I'll likely exceed 40X " with hybrid or other ?

there were no hybrid Mix40, small caliber made ​​of Spud? :shock:

EDIT :
IPN :

Image
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Unread postAuthor: jackssmirkingrevenge » Fri May 04, 2012 8:35 am

Petitlu wrote:there were no hybrid Mix40, small caliber made ​​of Spud? :shock:


That makes you second to Larda ;)

And that's a thoroughly abused beam you got there :D had you tried the 8mm ball bearing in the sabot?
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Unread postAuthor: Petitlu » Fri May 04, 2012 8:41 am

My next test will be shooting with ball 8mm steel and tungsten rod.
I will try récupurer tungsten:
after passing through the metal rod will go in a plexiglass aquarium!
All filmed at 60fps with a EOS7D

"That makes you second to Larda"
this makes us second to Larda :wink:
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Unread postAuthor: jackssmirkingrevenge » Fri May 04, 2012 10:04 am

Petitlu wrote:after passing through the metal rod will go in a plexiglass aquarium!


Full of water I hope :D

this makes us second to Larda :wink:


Glad to be a part of it :)
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Unread postAuthor: Petitlu » Fri May 04, 2012 11:50 am

yes, full of water! and I even want to put a red fish! :D

Without you I have had difficulty make a hybrid ...
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Unread postAuthor: Petitlu » Fri May 04, 2012 4:01 pm

I thought about the shots of concrete nail.
the first was different from the second

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Unread postAuthor: jackssmirkingrevenge » Fri May 04, 2012 4:04 pm

Is the fin you used for the first shot number 3 from left in this picture?

Image

That might have been too flimsy, I went a bit overboard with the milling... I would believe that it broke up in the barrel.
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Unread postAuthor: Petitlu » Fri May 04, 2012 4:11 pm

No, first shot:
second from the left
second shot:
first from the left

EDIT :
The mix was different too, but I think the angle of fire played a lot in the result
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Unread postAuthor: jackssmirkingrevenge » Fri May 04, 2012 4:49 pm

Right. Still a bit of a mystery though, from a lower mix I would expect a shallower hole but still not the side-on mark imprinted on the beam from that shot.
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