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#41
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How to Remove Piston from Cylinder
Steve Hix wrote:
In article , Dan wrote: An unexpectedly fast burning fuse can toast one's fingers while testing. If you want to see a test of relative burn rates between smokeless and black powders burn a spoonful of each. Use a blowtorch to ignite the black powder. It will burn fast enough to extinguish the torch. And the amount of black powder that you light up can affect what it does. A bigger pile can blow up in your face instead of just a little puff. Good point. A lot of people underestimate it because it's no longer used for demolition, rock busting and the like. It's primary use now is in "primitive arms" as some states call the black powder gun season. To see how powerful black powder is go to an anvil launching contest sometime. I don't know if there are any videos online. An 80 pound anvil can be launched rather high by a tablespoon or two of black powder. Dan, U.S. Air Force, retired |
#42
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How to Remove Piston from Cylinder
On Wed, 08 Oct 2008 23:21:47 -0500, Dan wrote:
Steve Hix wrote: In article , Dan wrote: An unexpectedly fast burning fuse can toast one's fingers while testing. If you want to see a test of relative burn rates between smokeless and black powders burn a spoonful of each. Use a blowtorch to ignite the black powder. It will burn fast enough to extinguish the torch. And the amount of black powder that you light up can affect what it does. A bigger pile can blow up in your face instead of just a little puff. Good point. A lot of people underestimate it because it's no longer used for demolition, rock busting and the like. It's primary use now is in "primitive arms" as some states call the black powder gun season. To see how powerful black powder is go to an anvil launching contest sometime. I don't know if there are any videos online. An 80 pound anvil can be launched rather high by a tablespoon or two of black powder. Dan, U.S. Air Force, retired www.recreationalexplosives.org |
#43
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How to Remove Piston from Cylinder
In article , Dan wrote:
Tech Support wrote: On Mon, 06 Oct 2008 21:55:27 -0500, Dan wrote: Tech Support wrote: On Mon, 06 Oct 2008 16:01:02 -0500, Dan wrote: Paul Dow (Remove Caps in mail address) wrote: Hello Walter, Thank you for that link. I wasn't aware that it is on the web. My friend didn't have the parts manual. He does have the 6 cylinder model, so that information should be very useful to us. Also, it looks like your posting did appear in the newsgroup. I think some newsgroup servers don't update very quickly. It looks like the messages on the newsgroup have migrated to a discussion about explosives now :-) Paul You say that like it's a bad thing. Explosives can come in handy. Example your starter dies, hand propping isn't working and you want to crank the engine, just remove a spark plug, put a handful of black powder in the cylinder, insert fuse and rag to act as a plug, light fuse and hop in. Explosives can also be used for emergency tire inflation. Dan, U.S. Air Force, retired ********************************************** Dan Why can't you put in cylinder and use plug to light off???? Big John I'm assuming the think won't turn over in the first place. If it can be turned enough to obtain a spark one can add saltpeter, sulfur, aluminum powder and confectioner's sugar in the proper proportions if one is out of black powder. Not that I know anything about the particulars, you understand. Dan, U.S. Air Force, retired ************************************************** ************************* Dan As a teenager I used potasum clorate and sulpher. Poured a spot on cement and kicked with heel plate and went off. Also put in a CO2 cartridge and set off with home made fuse. Made a powerful rocket (half a city block). How I ever survived growing up I don't know looking back. Big John Looking back I can see several occasions where I should have been injured or killed with some things I did. I proved launching a plastic model Saturn V is possible with off the shelf C engines. I also proved that didn't include going in the intended direction. There was also the day the WAC Corporal got it's engine inserted _backwards_. Hit the igniter, and "fffttt!!" the spurt from the ejection charge _was_ enough to lift it off the launcher, and it coasted straight up to about 15-20 ft in the air on the delay. *Then* the main part of the engine lit off. Stopped dead in the air and simply _shriveled_ into this oblong charcoal ash, that sort of fell/drifted back to the ground. After one got through the crying over the destruction, the memory was good for some (bittersweet) laughs. |
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