this post was submitted on 10 Aug 2024
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What is this thing?

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Let us help you identify that mysterious object you’ve found.

Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.

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[–] [email protected] 4 points 4 months ago (1 children)

A large ship engine valve? Maybe an unfinished casting? Finished ones here

[–] 13esq 4 points 4 months ago (1 children)

If that's a valve, the cylinder is probably big enough to climb inside!

[–] badcommandorfilename 2 points 4 months ago

I think it might be a riser or part of a sprue from a larger cast part