Latest News: Forums Technical Buoyancy tank testing advice

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  • #28844

    Hi all

    I’m about to test the buoyancy in the tanks on my Mk2. There’s an excellent guide to this in a Wayfarer magazine from about a year ago, but I had one question I was hoping someone might be able to help with. Why do you need to drill a hole in a bung to fit the hose to the tank? Why not unscrew the bung and fit the hose through the circular hole in the bung housing?  I presume it’s something to do with the quality of the seal, but can’t see what the difference would be…….thanks for any advice!

    Dave Barker

    I think you’ve basically answered your own question – realistically you would be pushed to get an air-tight seal around the tube, but a tapered bung will potentially fit really well, especially with a smear of grease or vaseline.

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