Federal SD-10 Air Raid Tornado Siren test-run before restoration

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Uploaded by on Nov 3, 2010

This is a quick test-run of the motor for a 1960s (second generation) Federal SD-10 siren. I collect and restore these big, loud behemoths. This is similar to those which were installed in Los Angeles for the Cold War nuclear bomb warning system in the 1950s. This siren is still in remarkable physical condition, and as evidenced by this test, the motor is also just fine!

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Science & Technology

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This video is a response to Federal Model 5 Test
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  • are the old siren still there at los angeles?.

  • all that power at 1st i thought the motor would go out. but it has an Epic sound.

  • nice siren! btw, where did you get a 2.8 diesel tacoma in california?! let alone in the usa?

  • @douro20 Fairbanks-Morse was also a locomotive manufacturer just fyi

  • That looks EXACTLY like mine.

  • A friend of mine has a 1-1/2hp large frame totally enclosed Fairbanks-Morse 3-phase motor which was made in Kansas City in the 1940s. It was one of the first mass produced electric motors with permanently lubricated ball bearings. The motor was originally belted to a conveyor on a grain elevator, and later ran an air compressor before being put in storage for five years because the owner thought it was defective. Two years ago I wired it up an it ran like new.

  • Excellent! Very dual toney!

  • They sound soooo much better without the metal band around it, I think that sheetmetal band holds it back soundwise.....

  • Nice!

    At firsthought it was flat on the bed so less air intake to produce lessound.

    Love the "sour" perfect fourth musical interval.

  • That is just a damn cool siren! I like SD-10 sirens.

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