"In the world of spuds today"

qwerty · Wed Apr 04, 2012 7:24 am

ITWOST
My slide valve and fittings arrived today

expect a semi auto or bolt action .22 rifle coming up, just about to go and PTFE the threads right now.

Wed Apr 04, 2012 10:02 am

In that case be sure to watch the "almost finish" thread.

qwerty · Wed Apr 04, 2012 1:50 pm

Yeah, i've read a lot of that.
Not sure whether to have bolt action or semi-auto now. I'm leaning towards bolt action for the ergonomics and aesthetics.

Lockednloaded · Sun Apr 15, 2012 9:23 pm

ITWOST

A little hybrid I threw together today, there'll probably be no testing until next weekend though

jackssmirkingrevenge · Mon Apr 16, 2012 12:34 am

haha!

That looks like it could take a healthy bit of pressure

manometric or syringe fuelling? and how did you thread the spark plug?

Crna Legija · Mon Apr 16, 2012 1:09 am

I think it might be a CR10EK they are very close to 1/8npt thats what ill be using for my hybrid, I tested it on a little hybrid I made to 8x it was fine.

jackssmirkingrevenge · Mon Apr 16, 2012 1:30 am

Crna Legija wrote:very close

Hmmm... oh well, I'm not one to talk about unsafe fittings. In the circumstances I would probably be happy with slopping on some araldite and tightening it up

Crna Legija · Mon Apr 16, 2012 3:09 am

jackssmirkingrevenge wrote:
Crna Legija wrote:very close
Hmmm... oh well, I'm not one to talk about unsafe fittings. In the circumstances I would probably be happy with slopping on some araldite and tightening it up

Yeah I put some hydraulic thread locker rated for 10,000psi, its just a tiny bit losers then a standard 1/8'' npt fitting. ill try make a smaller hybrid test it higher pressure.

Lockednloaded · Mon Apr 16, 2012 7:49 am

jackssmirkingrevenge wrote:haha!

That looks like it could take a healthy bit of pressure manometric or syringe fuelling? and how did you thread the spark plug?

The spark plug is the one crna described, I feel pretty confident in it because it bottoms out in the bushing and seals very well. The part that worries me pressure wise is the brass burst disk holder I made from garden hose to NPT adapters. Besides those concerns, expect some higher mix testing!

jackssmirkingrevenge · Mon Apr 16, 2012 7:54 am

Lockednloaded wrote:The part that worries me pressure wise is the brass burst disk holder I made from garden hose to NPT adapters.

Ah well, if it fails, it will be towards the target anyway

Lockednloaded · Mon Apr 16, 2012 8:42 am

Here's the union:

jackssmirkingrevenge · Mon Apr 16, 2012 8:48 am

Looks sturdier than the one I'm using on mine at the moment

Gun Freak · Mon Apr 16, 2012 5:22 pm

I've held one of those before, they seem to be relatively lightweight, I don't think I'd use it over 5x but make sure you stand far far away <s>if</s> when you test higher

warhead052 · Mon Apr 16, 2012 6:06 pm

Gun Freak wrote:I've held one of those before, they seem to be relatively lightweight, I don't think I'd use it over 5x...

And how the hell would you know how powerful a 5x mix is? You haven't even made a hybrid that is made from proper materials!

Check out my YouTube SpudGun Channel! · Mon Apr 16, 2012 6:18 pm

warhead052 wrote:
Gun Freak wrote:I've held one of those before, they seem to be relatively lightweight, I don't think I'd use it over 5x...
And how the hell would you know how powerful a 5x mix is? You haven't even made a hybrid that is made from proper materials!

HAHA

As much as I love busting GunFreak's balls about being a pneub, a pneub sufficient in hybrid knowledge can probably grasp an idea of how powerful a 5x hybrid mix would be. Though, I think GunFreak is wrong in this case and that the compression fitting could be used relatively safely at higher mixes than 5x. Then again; GF only expressed that he wouldn't personally use it above 5x and not that others shouldn't.

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