Welding instructor at Leeward Community College (Hawaii) touched off a balloon filled with oxy-acetylene to demonstrate the hazardous nature of flammable gases; blew the windows out of the classroom, sent a few spectators to hospital with fortunately minor injuries, and caused an evacuation of the campus, because part of modern life is the daily bomb threat... ... On 10/14/18, Justin Richards wrote: > Younger me filled a small beachball with a similar mix and after scary > ignition vowed to never and have never repeated the experiment. > > On Mon, 15 Oct 2018 06:42 Sean Breheny wrote: > >> A former coworker of mine, when he was a kid, once used his father's >> oxy-acetylene rig to fill a plastic garbage bag with both acetylene and >> oxygen - in his basement. He planned to take it outside and light it at = a >> distance. As ge was trying to close it off by gathering up the neck of >> the >> bag, a static spark set it off. He was very lucky - his only injuries >> were >> a burst eardrum and large areas of petechia (bleeding under the skin due >> to >> many ruptured capilaries) on his thighs. The blast ripped his pants. He >> did >> manage to have kids himself later on :) >> >> On Oct 14, 2018 3:31 PM, "John Ferrell" wrote: >> >> I would be banned for life if I told you what 10 year old boys did with >> it in 1950, >> >> >> >> On 10/14/2018 1:56 AM, RussellMc wrote: >> > Deep-ends how much air is mixed with it. >> > "SOME" air included here. >> > Stoichiometric mix utterly not recommended. >> > Don't try this at home >> > YMMV / Your mileage may vary: >> >> -- >> John Ferrell W8CCW >> Julian NC 27283 >> It is better to walk alone, >> than with a crowd going the wrong direction. >> --Diane Grant >> >> >> >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .