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what is a hybrid

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what is a hybrid

Unread postAuthor: sergeantspud2 » Sun Jun 12, 2005 4:05 pm

i have seen those hybrid guns, how do they work. they look very serious so i don't think i wll build one.
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Unread postAuthor: saladtossser » Sun Jun 12, 2005 4:10 pm

um... read... http://www.spudfiles.com/forums/viewtopic.php?t=231
and if you dont know how it work you really shouldnt make/use one, learn some more then try it.
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Unread postAuthor: spudshot » Sun Jun 12, 2005 4:36 pm

as you can see from what happened to lucky's gun they are VERY dangerous, luckily only the union blew, and he wasnt hurt when it did blow, fuzzyscorpion's entire hybrid exploded on him. you really need to know how to do EVERYTHING properly, and you need to understand EVERYTING about them, to quote boogie "If you mess up on a combustion or a pneumatic, you are out a few dollars. If you mess up on a hybrid, you are dead"
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Unread postAuthor: drac » Sun Jun 12, 2005 6:42 pm

How did fuzzyscorpion's blow? I guess I haven't been around long enough to know how. Was it just improper construction or was it a result of DDT?
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Unread postAuthor: spudshot » Sun Jun 12, 2005 6:49 pm

as far as i can tell from reading it was constructed well, so it may have been DDT
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Unread postAuthor: Aaron ????? » Mon Jun 13, 2005 5:35 am

im thinking of a mini hybrid

1 1\2" chamber and 3\4" barrell any ideas

also would class 18 be good for a hybrid ive heard of people using class 12 (sch 40) and it blew up but that was a 4 or 5x mix and the only barrell unions avaliable here are class 12 (sch 40)
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Unread postAuthor: spudshot » Mon Jun 13, 2005 6:35 am

barrels are alright to be sch40, but whatever your version of sch80 is you should use for your hybrid. check out the spudtech forums, DR has been doing research on what C:B ratios are best for hybrids, and lucky 13 and Jspellman have used cam-lock fittings instead of unions (sch80 unions can, and have blown)
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Unread postAuthor: sergeantspud2 » Mon Jun 13, 2005 5:38 pm

i read that the pressure in the chamber before it is ignited excedes 300 psi. how does that happen without the spud or what ever was loaded in the barrel comming out brfore it reaches pressure?
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Unread postAuthor: drac » Mon Jun 13, 2005 5:47 pm

What? Pressures CAN exceed over 300 AFTER ignition. 300 psi would be like a 30x mix which would blow any launcher to crap with a crapload of shrapnel.

It's held back by a burst disk.

Aaron12345, if you can, use copper, it can hold a lot more pressure.

Oh and for everyone who's unsure what DDT is, it stands for Deflagration ro Detonation Transition, the point at where a perfectly stoichiometric mix goes from deflagrating (steadily combutsting) to detonating (need I say more?) It's something you wouldn't want to experience.
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Unread postAuthor: iamthewalrus » Mon Jun 13, 2005 5:48 pm

u use a union and a burst disc in a hybrid, and the psi isnt really that high, maybe after ignition
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Unread postAuthor: Aaron ????? » Tue Jun 14, 2005 4:04 am

so a copper hybrid you say drac????
has any one done that yet or will i be the first

i think ill put a male and female adapter for the union will foil be good in the male\female adapters or does it need to be clamped to an o ring like in a union??
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Unread postAuthor: spudshot » Tue Jun 14, 2005 6:25 am

Galfisk made one, and also his is the first piston hybrid too. a male and female adapter wont seal right, just get a copper union, or buy cam lock fittings if you're building a big hybrid
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Unread postAuthor: iamthewalrus » Tue Jun 14, 2005 10:21 am

how/where did he put a piston in a hybrid??
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Unread postAuthor: drac » Tue Jun 14, 2005 3:12 pm

http://forums.spudtech.com/topic.asp?TOPIC_ID=7966

Read all of galfisk's posts in that topic, he gives a more than thourough explanation. Hope it helps you understand, I had no clue how it worked when I first saw it ad I still can't figure it out.
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