Saturday, January 17, 2026

Wonder what that propeller is made of?

 


15 comments:

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    1. a long time ago, I helped my Dad out on a concrete job. redoing a guys driveway. he was a patternmaker at the old Philly navy yard ( yeah, this was a LONG time ago ) anyway, instead of getting the 150 bucks that I was to be paid for working like 3 days. I got a bronze cannon that the guy had "made" while at the yard. still have the damn thing too. about 20 inches long and weighs over 40 pounds at least. shines up great but is a lot harder than regular bronze that for sure.

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  2. With a smidge of berylium.

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  3. Beryllium is a chemical element; it has symbol Be and atomic number 4.

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  4. Replies
    1. Better that than on Somali daycare fraud

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  5. Anonymous at 7:41 for the win!

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  6. I bet the sailors weren't taught at a Quality Learing Center

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  7. Worked in a Navy shipyard in the 80's. Back then, we always kept the sub propellers covered. I think the curves were considered classified.

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    1. Until everyone figured out how non-cavitating props work.

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  8. Looks like a Russian Yasen Class

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  9. Phosphor bronze, silicon bronze, or Brastil. Precise alloy no doubt classified.

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  10. Obviously a bronze alloy. However, that’s not one of ours. It it was the screw would be covered with a tarp at ALL TIMES when it’s out of the water. It Roosky or ChiCom but not Frog.

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  11. Sintered vacuum arc remelt unobtainium.

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