January 5, 2023

Hull strainers can be blocked too...

Recently, while running the generator at anchor, I noticed the gen exhaust water splash had abrubtly stopped, and shut it down right away...

I started troubleshooting by looking at the raw water strainer for the gen set. It was full of bits of jellyfish- but not so full as to prevent water flowing still...

The boat has external strainers [images below] on the hull for engine intake through-hulls, so the suction must have extruded pieces of the unfortunate organism.

Generator

 Engine
 



Backflushing with pressurized water didn't work. I had to fire up the engine and run the prop in reverse to blow the jellyfish off the strainer. 

I doubt this would happen while underway, and was surprized it did while sitting still... 

Murphy prevailed- to the detriment of the jellyfish...




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