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Conventional alternative energy systems => All other conventional alternative energy creation systems => Topic started by: franco malgarini on September 28, 2014, 10:23:48 AM

Title: Carbide lamp
Post by: franco malgarini on September 28, 2014, 10:23:48 AM
http://en.wikipedia.org/wiki/Carbide_lamp

An old technology that could return today ....


https://archive.org/details/cu31924031270774




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Title: Re: Carbide lamp
Post by: Pirate88179 on September 29, 2014, 02:28:55 AM
I use to have one of these lamps I used when I went caving 30 years ago.  I wish I still had it as it gave off a large amount of light for a long time on very little calcium carbide and a bit of water.  They are very hard to find today except for cheap ones from overseas that have very bad reviews.  Mine was actually made from plastic and not copper.

Bill

PS  I found some used lamps online like I had.  $60.00 seems a bit steep but, maybe I will get one.
Title: Re: Carbide lamp
Post by: MarkE on September 30, 2014, 01:15:14 AM
Those are acetylene lights.  Calcium carbide reacts with water, emitting acetylene.  The story I read many decades ago was this was discovered accidentally when a night watchman flicked his cigarette too close to a pile of calcium carbide that was exposed to the rain.
Title: Re: Carbide lamp
Post by: Pirate88179 on September 30, 2014, 02:17:55 AM
Those are acetylene lights.  Calcium carbide reacts with water, emitting acetylene.  The story I read many decades ago was this was discovered accidentally when a night watchman flicked his cigarette too close to a pile of calcium carbide that was exposed to the rain.

Exactly what I learned about them way back when.  Acetylene gas.  In college, we used to put some calcium carbide into a coke bottle and add some water and then inflated a balloon with the gas.  We rigged up a fuse and lowered the balloon out the window on a string down to the next floor in our dorm.  We did this at night and when the balloon exploded, it created this huge, very bright flash, and a small mushroom cloud.  It scared the crap out of the fellows living below us.

Bill 
Title: Re: Carbide lamp
Post by: MarkE on September 30, 2014, 09:12:24 PM
Exactly what I learned about them way back when.  Acetylene gas.  In college, we used to put some calcium carbide into a coke bottle and add some water and then inflated a balloon with the gas.  We rigged up a fuse and lowered the balloon out the window on a string down to the next floor in our dorm.  We did this at night and when the balloon exploded, it created this huge, very bright flash, and a small mushroom cloud.  It scared the crap out of the fellows living below us.

Bill
Calcium carbide is the powder used in Bangsite cannons as well.  They were popular when I was a kid.  I have not seen them in many years.