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Latest On Dam Steam Whistles
For years Ive been turning ammunition casings everything from rifle shells to artillery shells into steam whistles (Vol. 36, No. 5). My latest effort is a giant 5-ft. long air horn made with a big public address speaker that measures 22 in. in dia.  
  My other big whistles can be heard a mile or more away. This giant one will go twice that far. I operate all the others on a 100-lb. propane tank that I keep in my pickup and set at 125 lbs. pressure. However, for this giant air horn I need a much larger tank.
  I have about 30 artillery shells in my collection now and recently made a big display rack for about 20 of them. I also make 3-chime whistles out of artillery shells ranging from 75 to 105 mm. A pipe with elbows and an air compressor hookup connects the shells together. They are designed to make a triple tone like you find on big ships.
  I have some smaller whistles made out of 8 to 32-ga. brass shotgun shells that I can just blow into.  Anyone with questions please call after 6 p.m. (Dave Dam, 111 N. Buena Vista Rd., Eau Claire, Wis. 54703; ph 715 450-2943)

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2014 - Volume #38, Issue #5