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Meaningful discussion outside of the potato gun realm. Projects, theories, current events. Non-productive discussion will be locked.
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ToasT
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Mon Jun 22, 2015 5:41 am

mark.f wrote:I think I may have an idea what Jack's doing...
Hopefully relatively large potential for awesome given the relatively large size of his new country.
jsefcik
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Wed Jul 29, 2015 9:11 pm

Sup guys havent been on here in over a year whats new?
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mark.f
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Sun Aug 23, 2015 9:52 pm

Today, I made a small alcohol/penny stove for camping.
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The stove and stand, with cap/base placed under burner cup.
The stove and stand, with cap/base placed under burner cup.
There are eight separate jets on the edges of the burner ring, but they all look like one in this picture...
There are eight separate jets on the edges of the burner ring, but they all look like one in this picture...
Boils one cup of water (~237 mL) in just under 5 minutes from lighting.
Boils one cup of water (~237 mL) in just under 5 minutes from lighting.
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ToasT
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Mon Aug 24, 2015 4:40 am

That's a different design to one I made a few years back from cans. I drilled way to many holes for the flames. You know, teenage mentality, 'MORE IS BETTER!!!'

Turns out it wasn't.

How much fuel was left once the pot was boiling?
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mark.f
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Mon Aug 24, 2015 7:55 am

I'd estimate it takes about 10 mL to boil a cup, possibly less than 20 mL to boil two. There was a good deal of fuel left over after boiling, but I didn't fill the thing completely.

My first attempt had a leak in the side and despite my efforts with foil tape didn't seal and turned into a flamethrower after the stove lit. :D
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jackssmirkingrevenge
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Fri Sep 11, 2015 7:15 am

I suppose this has been posted here before in my absence, but just in case it hasn't:

[youtube][/youtube]

Air cannon artillery being used in Syria by rebel forces :shock:
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Brian the brain
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Sat Sep 12, 2015 8:34 am

We've seen it JSR...not a development I'm excited about though.
Never a good thing to see our fun-projects turned serious by others.
No matter wich side they're on.
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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jackssmirkingrevenge
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Sat Sep 12, 2015 10:39 am

Not the direction one wants spudding to take, on the other hand its use as artillery is over 100 years old - and good to know that our skills will be of use in a post-apocalyptic world, which is what Syria with its "mad max" style of conflict currently reminds me of.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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jackssmirkingrevenge
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Sat Oct 31, 2015 2:45 pm

[youtube][/youtube]

11,000 feet per second impact from a light gas gun
hectmarr wrote:You have to make many weapons, because this field is long and short life
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jakethebeast
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Sat Dec 05, 2015 7:34 pm

Oops.. :D

Maybe 10.5:1 compression is too much for a single cylinder 650cc thumper...
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Est Sularus Oth Mithas
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mark.f
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Sat Dec 05, 2015 8:07 pm

Haha, yeah. It is.

Trying to squeeze that 10 extra kph to start to keep up with street bikes? :D
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jakethebeast
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Sun Dec 06, 2015 4:14 am

Why on earth would streetbikes be at the dirt roads?:D

No need, thumpers are not fast but thy sure are fun and usefull
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mark.f
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Sun Dec 06, 2015 3:15 pm

Ah, for some reason I though you had a dual-sport. :D My mistake.
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jakethebeast
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Sun Dec 06, 2015 5:42 pm

Well I have a Dr650 which I have pretty much build for adventure and enduro, though with slicker tires it does fine on tarmac...
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Zeus
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Sun Feb 07, 2016 11:51 pm

10.5:1 on a stock head and piston? Shaved I assume

You mad bastard
/sarcasm, /hyperbole
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