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cirvin
Nobel Prize Winner

USA
1542 Posts

Posted - Sep 11 2003 :  7:59:57 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
as i said, it accelerates off the flywheel momentum. where would i get those plans.

a soup can would blow real easy, but for a model it would be great

9/11. god bless America

Edited by - cirvin on Sep 11 2003 8:39:29 PM
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BEatonNo1
Nobel Prize Winner

USA
1133 Posts

Posted - Sep 11 2003 :  9:52:24 PM  Show Profile  Visit BEatonNo1's Homepage  Reply with Quote
well the boiler I made holds around 2 liters of water, but runs only an inch or so full, plus it has a very inneficent design. so its really only for bursts.

As for the boiler plans I made, I'll see if i can find them. I cant remember if I made them on Auto Cad or not. it was desigend similar to a locomotives, and was ment to run a generator made from an alternator and a turbocharger. However the materials are pretty hard to find...My dad works in the steel busness so we have a plethera of materials around.

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Aaron Cake
Administrator

Canada
6718 Posts

Posted - Sep 15 2003 :  09:38:47 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
If the welds have slag holes, then it is definitly not safe. Glad you're nowhere near me.

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cirvin
Nobel Prize Winner

USA
1542 Posts

Posted - Sep 15 2003 :  4:28:38 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
this project is on the back burner untill after october. all my time and rescorces are being redirected to the halloween haunt at my frends house

i can put a bunch of copper tubing in a pipe and blast a flame thu there. that means i can have less water to carry, and to heat up. then i can carry more fuel

next stop: nobel prize winner!
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BEatonNo1
Nobel Prize Winner

USA
1133 Posts

Posted - Sep 15 2003 :  7:54:37 PM  Show Profile  Visit BEatonNo1's Homepage  Reply with Quote
naw im shure those welds are going to hold long after the metal ruptures
there pretty thick

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Aaron Cake
Administrator

Canada
6718 Posts

Posted - Sep 16 2003 :  07:40:34 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
Slag holes mean that there is slag within the weld. This weakens it considerably.

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BEatonNo1
Nobel Prize Winner

USA
1133 Posts

Posted - Sep 16 2003 :  2:00:35 PM  Show Profile  Visit BEatonNo1's Homepage  Reply with Quote
Yeah I know what slag holes are, but actually I think there more like pin holes....however you would just have to see the welds, there like an inch wide. plus I dont think that the boiler is put under enough stress to cause the welds to crack and if they did crack theres shurely not enough pressure to cause them to rupture.

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Aaron Cake
Administrator

Canada
6718 Posts

Posted - Sep 17 2003 :  09:34:28 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
As they say, "it's your neck". If you feel confident in this boiler, then use it. But I've seen a steam explosion at sub 100 PSI pressures (it was a furnace) and wouldn't tough an uncertified boiler with a 100 foot poll.

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da-g-dog
Mad Scientist

USA
231 Posts

Posted - Sep 17 2003 :  2:34:51 PM  Show Profile  Visit da-g-dog's Homepage  Reply with Quote
quote:

Yeah I know what slag holes are, but actually I think there more like pin holes....however you would just have to see the welds, there like an inch wide. plus I dont think that the boiler is put under enough stress to cause the welds to crack and if they did crack theres shurely not enough pressure to cause them to rupture.



Dude, i took a welding class for two years, and Aaron is right. Slag holes are a major welding defect. Slag is there in the first place to protect the weld metal and keep it free from impurities while it cools. When the machine isnt set right, slag gets into the weld metal and severely weakens the weld, no matter how big the bead is. Even if they arent slag holes, and are pin holes like you say, they are just as bad. they make the weld bead not solid and makes it very easy to break. so, seriously, don't use the boiler. find someone who knows how to weld really well and get a new one made.

hike master kyle
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BEatonNo1
Nobel Prize Winner

USA
1133 Posts

Posted - Sep 17 2003 :  2:59:36 PM  Show Profile  Visit BEatonNo1's Homepage  Reply with Quote
yeah and i feel confident....i usually use it around 50 psi...
its got maybe 10 defects out of all of the welds and most of them are on the tubes that run vertically through the boiler. therefore if there is a break in the weld it will be all inward.
My dad is a welding engineer...he just tells me to keep it under 100 psi

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cirvin
Nobel Prize Winner

USA
1542 Posts

Posted - Sep 17 2003 :  5:25:31 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
inatall a pressure relief valve just in case


next stop: nobel prize winner!
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cirvin
Nobel Prize Winner

USA
1542 Posts

Posted - Oct 01 2003 :  8:04:11 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
heheh eh. lgo ngines http://www.dansworkshop.com/Lego%20Steam%20Engines.shtml

i am going to buld thm all!!

at last!!!
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Alien
Apprentice

Canada
149 Posts

Posted - Nov 22 2003 :  11:31:54 PM  Show Profile  Click to see Alien's MSN Messenger address  Reply with Quote
Lol, dude say hi to jesus for me if you do it wrong... heh...

Its just Legos... Right..
-----------------------------
Andrew
13/m/Canada



Edited by - Alien on Nov 22 2003 11:33:28 PM
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cirvin
Nobel Prize Winner

USA
1542 Posts

Posted - Nov 23 2003 :  12:27:18 AM  Show Profile  Send cirvin an AOL message  Reply with Quote
well, if i can get my hands on a lathe, ill be build in gas engines for sure. right now ihave to settl for electronics.

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