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Speedwatch Velcro Strap

With mounting support for display.

Speedwatch Water Impeller

Speedwatch Small Fin for Water Impeller

To be fixed under the keel.

Speedwatch Large Fin for Water Impeller

To be fixed on the keel back side.

Speedwatch T-Attachment for Water Impeller

To be fixed on the fin or rudder blade.

Speedwatch Radio Transmitter
porosimeter

Porosimeter

The Porosimeter was designed for free flight industries, providing accurate measurement of porosity (amount of air which passes through a material).
In particular, porosity is important for parachutes and paragliders to measure their equipment on occasion to determine any non-visible wear. Including packing case.