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Feet Wet-
Using any type of
Feet Wet-
Using any type of compressed gas/air for periscopes only adds to the problem inherent with using that medium for ballast systems - it needs to be replenished. It will also have to be replenished more often since some of it will be diverted away from it's primary use.
Try using model airplane fuel pumps and pump water instead. I've built several of these over the years that are still going strong. Dig back into the SubCommittee Report archives (Issue #22-How It Works) for a write up and sketch.
Skip Asay/SubTech
Using any type of
Feet Wet-
Using any type of compressed gas/air for periscopes only adds to the problem inherent with using that medium for ballast systems - it needs to be replenished. It will also have to be replenished more often since some of it will be diverted away from it's primary use.
Try using model airplane fuel pumps and pump water instead. I've built several of these over the years that are still going strong. Dig back into the SubCommittee Report archives (Issue #22-How It Works) for a write up and sketch.
Skip Asay/SubTech
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