Hybrid ThorJack

Harness the power of precision mixtures of pressurized flammable vapor. Safety first! These are advanced potato guns - not for the beginner.
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MrCrowley
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Wed Apr 25, 2012 2:36 am

Petitlu wrote:caoutchou
DO NOT search this in Google images :shock:
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Petitlu
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Wed Apr 25, 2012 2:41 am

caoutchouc - rubber ...

Excellent, I'm laughing!

:lol: :lol:
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jackssmirkingrevenge
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Wed Apr 25, 2012 3:05 am

MrCrowley wrote:DO NOT search this in Google images :shock:
jesus...

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WE DIDN'T LISTEN!
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Petitlu
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Wed Apr 25, 2012 6:02 am

:P

Tomorrow I have to go collect a parcel at the post, I think it is the tungsten rods, I hope!
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jackssmirkingrevenge
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Wed Apr 25, 2012 6:06 am

oooh! hope so too :D have you fired it at 40x mix? How is the spark plug holding up?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Petitlu
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Wed Apr 25, 2012 6:24 am

Not yet at Mix40, but the spark plug is not damaged at Mix30 and works very well!
:lol:
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RJB INDUSTRIES
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Wed Apr 25, 2012 7:06 am

jackssmirkingrevenge wrote:You need something to keep it centred while in the barrel (like the two front halves of the arrow sabot I made)
What have you made to center the ammo while inside the barrel?



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Petitlu
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Wed Apr 25, 2012 7:19 am

a sabot delrin
a sabot in several parts
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jackssmirkingrevenge
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Wed Apr 25, 2012 7:20 am

RJB INDUSTRIES wrote:What have you made to center the ammo while inside the barrel?
This is for an arrow, the rear fits into the hollow part of the cylindrical sabot, while the front halves go over the front part of the arrow to keep it centred.

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For this style, the projectile fins are the same diameter as the barrel so no need to keep it centred, all it needs is a disk to push it.

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hectmarr wrote:You have to make many weapons, because this field is long and short life
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RJB INDUSTRIES
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Wed Apr 25, 2012 8:57 am

Can you show me the arrows you use?


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Petitlu
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Wed Apr 25, 2012 9:02 am

they are simple arrows bow ...
Sectional diagram of Thorjack:

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RJB INDUSTRIES
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Wed Apr 25, 2012 9:41 am

Nice, you have used what mixes?


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Petitlu
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Wed Apr 25, 2012 9:49 am

Thank you!
I fire up to Mix30
and in the week I will do number of shots at Mix40.
Mix40 at no more as the chamber pressure is 300 bar ... this is the limit
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RJB INDUSTRIES
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Wed Apr 25, 2012 9:54 am

Pretty cool....
The explosion reach what pressure?


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Petitlu
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Wed Apr 25, 2012 10:00 am

yes, the pressure is 303bar in the explosion!
you have seen the videos?
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