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Posted: Thu May 03, 2012 5:03 pm
by Petitlu
last vidéo :

[youtube][/youtube]

Posted: Thu May 03, 2012 6:08 pm
by killerbanjo
Impressive :D

Posted: Thu May 03, 2012 11:54 pm
by jackssmirkingrevenge
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.

Posted: Fri May 04, 2012 6:39 am
by Petitlu
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

Posted: Fri May 04, 2012 7:10 am
by jackssmirkingrevenge
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.

Posted: Fri May 04, 2012 7:21 am
by DYI
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:

Posted: Fri May 04, 2012 7:29 am
by Petitlu
" I'll likely exceed 40X " with hybrid or other ?

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

EDIT :
IPN :

Image

Posted: Fri May 04, 2012 8:35 am
by jackssmirkingrevenge
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?

Posted: Fri May 04, 2012 8:41 am
by Petitlu
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:

Posted: Fri May 04, 2012 10:04 am
by jackssmirkingrevenge
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 :)

Posted: Fri May 04, 2012 11:50 am
by Petitlu
yes, full of water! and I even want to put a red fish! :D

Without you I have had difficulty make a hybrid ...

Posted: Fri May 04, 2012 4:01 pm
by Petitlu
I thought about the shots of concrete nail.
the first was different from the second

Image

Posted: Fri May 04, 2012 4:04 pm
by jackssmirkingrevenge
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.

Posted: Fri May 04, 2012 4:11 pm
by Petitlu
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

Posted: Fri May 04, 2012 4:49 pm
by jackssmirkingrevenge
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.