interesting DIY piston tank without piston "stickout"

raalst

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Join Date: Feb 2003

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#1

interesting DIY piston tank without piston "stickout"

12-27-2021, 05:35 PM

have a look at this approach. seems doable when not diving too deep.

RC submarine Piston Ballast (Types of M4 Thread rod in syringes to save space)

https://www.youtube.com/watch?v=Pdb6g520t6w

You can receive the STL file you used at the link.https://blog.naver.com/tiver21/221670073624You can download it by clicking the 첨부파일 (3) at the top right.

Regards,
Ronald
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bob the builder

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Join Date: Feb 2003

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#2

12-30-2021, 06:52 AM

Guess it would work with little pressure differential, but assuming a small piston is going in a small boat, I am guessing that the pressure is going to build up quickly on the air side when diving. I'd love to know how the "seal" in the rubber stopper holds up.

The Nautilus Drydocks - Exceptional Products for the World of R/C Submarines - www.nautilusdrydocks.com
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