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Torpedo (Pool Toy)
Pool toy - Glides underwater over a couple of meters or more. I use it mainly when teaching scuba diving to children but it's also fun for kids swimming with mask and snorkel.
Toys
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Description
Kids love to throw this torpedo at one-each-other during scuba diving lessons.
You will need to add some ballast (anything small and heavy will work - avoid stuff which can rust) to make sure that the torpedo's buoyancy is neutral when underwater (i.e. it shouldn't sink or float). There is a hole at the bottom of the torpedo for that purpose. Once the ballast has been inserted, you should secure it with glue (epoxy works best).
You will need to add some ballast (anything small and heavy will work - avoid stuff which can rust) to make sure that the torpedo's buoyancy is neutral when underwater (i.e. it shouldn't sink or float). There is a hole at the bottom of the torpedo for that purpose. Once the ballast has been inserted, you should secure it with glue (epoxy works best).
Materials and methods
- Ballast (e.g. old stainless steal nuts and bolts, pieces of lead, etc.)
- Glue (e.g. epoxy resin)
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