Subsea buoyancy foam and ballast

Syntactic and subsea buoyancy foam and ballast weights for trimming ROVs and AUVs. Choose foam by the depth grade the manufacturer rates it for, then size it from your vehicle's weight in water.

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  • Usually 2 weeks to your doorDate confirmed on your quote
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  • 30-day returnsOn unused parts

1 product

Stainless Steel Ballast Weight (200 g, 7 oz)

Blue Robotics

Stainless Steel Ballast Weight (200 g, 7 oz)

Enclosures, Buoyancy, and Ballast

Stainless Steel Ballast Weight (200 g, 7 oz) from Blue Robotics, part number BR-101039. Earlier part number…

₹14,393.70

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How to choose buoyancy and ballast

Trim slightly positive

Most ROVs are trimmed to float very slightly, so a vehicle that loses power comes back up. Work out the net weight in water first, then the foam to offset it.

Buoyancy and ballast calculation →

Foam grade sets the depth

Foam compresses and loses buoyancy past its rated depth. Choose the grade for your deepest dive; deeper grades are denser and give less lift per litre.