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Posted: Wed Jan 11, 2012 1:36 am
by Labtecpower
I saw this frame;
The muzzle flash looks pretty blue, I assume this means that the mixture is right?
With my previous hybrid I fueled in exactly the same way. It had a chamber that was twice as small, but I never had a misfire.
I got succesfull ignition on a 12x mix, but that also was the end of the gun

Posted: Wed Jan 11, 2012 2:34 am
by jackssmirkingrevenge
Labtecpower wrote:With my previous hybrid I fueled in exactly the same way. It had a chamber that was twice as small, but I never had a misfire.
If it had the same valve, nevermind then, carry on

Posted: Thu Jan 12, 2012 4:24 pm
by Labtecpower
[youtube]
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Moar holes
I'm pretty satisfied with the power this thing has. According to HGDT it should produce about 430 joules at 10x mix, when I up the mix to 12x without changing the burst disk, it should go up to 480 joules.
Posted: Fri Jan 13, 2012 1:11 am
by jackssmirkingrevenge
Sheet metal perforation FTW!
Mild steel I presume, what thickness?
Also, you need some proper projectiles...
Posted: Fri Jan 13, 2012 1:41 am
by Labtecpower
Mild steel I presume, what thickness?
yes, 1 mm thick. Goes trough without any problems, as long as the projectiles stay together
Also, you need some proper projectiles...
For sure!
Do you have anything in mind?
now i'm just shooting pieces of steel I find in my garage, and some bullets I made for my copper gun.
They tend to disintegrate at impact

Posted: Fri Jan 13, 2012 1:51 am
by jackssmirkingrevenge
*cough*
http://www.spudfiles.com/forums/6mm-apf ... 23554.html *cough*
You could also quickly lathe up some simple cup sabots for 3/8" ball bearings...
Posted: Sat Jan 14, 2012 5:40 am
by Labtecpower
Would these qualify as proper projectiles?
I found them in my garage. Ø12 mm solid steel
They have a weight of 42 grams.
HGDT says I will get a velocity of 150 m/s (490 fps) at a 10x mix.
about 500 joules
With a 12x mix and a better burst disk it will put out 600 joules.
should be enough to make some holes

Posted: Sat Jan 14, 2012 8:02 am
by jackssmirkingrevenge
hehe, go for it!
Beware the recoil though, make sure there's some padding between the chamber and the wall!
Posted: Sat Jan 14, 2012 8:18 am
by Labtecpower
I place the gun in a vice connected to a heavy steel pipe.
Hopefully the recoil isn't enough to launch that into the wall
I'll shoot them this afternoon, I have to fix my bike first

Posted: Sat Jan 14, 2012 11:14 am
by evanmcorleytv
Labtecpower wrote:I place the gun in a vice connected to a heavy steel pipe.
Hopefully the recoil isn't enough to launch that into the wall
I'll shoot them this afternoon, I have to fix my bike first

Sounds good!! Good luck on your bike!!
Posted: Sat Jan 14, 2012 1:40 pm
by Labtecpower
here it is!
[youtube][/youtube]
Posted: Wed Jan 18, 2012 1:38 pm
by Labtecpower
..Double posting and being an attention whore...
Today I got a 16 mm barrel for my hybrid. According to HGDT this will give an increase of 140 joules, without extra mix numbers or stronger burst disks. well worth it
I also had some time for machining projectiles, this is what I came up with;

Fullbore steel slugs with a hollowed out back.
I think this will give quite nice results
Also machined a PVC rod so I can cut pusher plates out of it, works a lot better than toilet paper
drawing;

Posted: Thu Jan 19, 2012 12:54 am
by jackssmirkingrevenge
Oh very nice, these are going to go deep!
Making them say 10mm diameter and using sabots will make them go deeper

Posted: Thu Jan 19, 2012 1:35 am
by Labtecpower
Making them say 10mm diameter and using sabots will make them go deeper

I really expected you to say that
Next time I have access to a lathe i'll make some

Posted: Thu Jan 19, 2012 4:25 am
by jackssmirkingrevenge
Ah, but I didn't mention an integral suppressor...
Damn, I just did!
