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Date: Wed, 27 Apr 2005 14:31:12 +0100
From: "性rbnospam" <1nospamcommmode>
Subject: Re: Drifting Way OT - WAS: I think I blew my amp??!! NOW: Spud Guns

"Malt_Hound" <Malt_Houndnospamm*> wrote in message > 性rbnospam wrote: > >> >> This is all very interesting and highly technical. But to lighten the >> mood a little, has anyone else ever taken a tiny speaker out of a broken >> transistor radio, and wired it up to a 100w amp to see how much it would >> take? I have, and it went pop quite spectacularly. Not that I'm >> condoning wanton destruction, you understand, I was just bored. That >> was after making an industrial spud gun with a compressor and a gas pipe. >> Boredom is a terrible thing... >> > > The kids around here use PVC pipe and deodorant to make their spud > cannons. They use a long piece of PVC with a cap glued on one end. Drill > two holes in the cap and thread a piezo spark-gap device from a gas grille > in one. The other is used to squirt the aerosol deodorant spray into. > > Tamp a spud part way down the pipe, charge it with hairspray, aim, spark, > Thwooob! It hucks those spuds a couple of blocks. > > Quite ingenious actually! And relatively safe as explosive fun goes. I've > never heard of anyone being killed by a potato missile. So long as they > don't start spraying gasoline in their instead of hairspray... > > Boredom? Oh, yeah. I have an older teen-age boy... > > -Fred W It was all quite harmless until my brother turned up and decided to fashion a crossbow-type bolt out of some garden cane and bits of sheet steel, which was to be propelled by the aforementioned spud pellet. This was quite small-bore domestic gas appliance pipe, and it worked quite well. We stopped after numerous holes in the fence and a near-miss with the dog (not to mention a telling-off by She Who Must Be Obeyed). My 7-year old isn't quite at the wanting-to-blow-stuff-up stage yet, but I'm hoping he gets there soon... D :-)

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