UK Scuba - Cylinder Buoyancy Calculation

www.subaqua.co.uk Calculations Cylinder Buoyancy

How to calculate buoyancy of a scuba cylinder (metric)

Material: Steel

Aluminium Capacity: litres Working pressure: bar Weight: kg Diving in: Salt water

Fresh Water

Common cylinder sizes available in the UK

Source of data in brackets. Mail me with any more

Volume Pressure Weight Beaver (steel) 7.0 litre 232 bar 8.91kg (Stuart Webb) Faber (steel) 3.0 litre 232 bar 3.3 kg (web), 3.7kg (Bob Millar), 3.99kg (Richard Good), 4.7kg (Nick Ireland) 3.0 litre 300 bar 4.5kg (Wacker) 5.0 litre 232 bar 6.03kg (Keith Sabine) 7.0 litre 232 bar 7.5 kg, 8.0 kg (Adri Haine), 7.7kg (Tony Watt), 7.84kg (Jonathan Taylor) 7.0 litre 300 bar 10.0 kg (Woz) 8.0 litre 300 bar 12.4 kg (Kristian Lyberg) 10.0 litre 232 bar 10.9 kg (Chris Pitts), 11.1kg (Tony Watt) 10.0 litre 300 bar 14.4 kg (Iain Dick) 12.0 litre 232 bar 12.9 kg (Tony Littler) 12.0 litre 300 bar 17.0 kg (Paul Duckworth) 12.2 litre (dumpy) 232 bar 13.7 kg (Greg Roach) 12.2 litre 232 bar 13.2 kg, 13.7 kg (Chris Pitts), 13.1 kg, 13.4 kg (Greg Roach), 13.3kg (Tony Watt), 14.4kg (Bob Millar) 12.2 litre 300 bar 16.6 kg, 16.7 kg (Danny Burchett) 12.5 litre 232 bar 13.5 kg (Andy Wilson), 13.9 kg (Jonathan Fern) 15.0 litre 232 bar 16.0kg (Nick Ireland), 16.2kg (Richard Good), 16.3kg (Harj Jolly), 16.6 kg (Mark Trueick), 16.9kg (Tony Watt), 18.1 kg (Daniel O\'Callaghan), 18.4kg (Peter Harris) 18.0 litre 232 bar 22.4kg (Peter Steinhoff) Gas Containers (steel) 12.0 litre 232 bar 14.9 kg (Daniel O\'Callaghan) Heiser (steel) 6.0 litre 232 bar 110.2 kg (Marko Niemelä) 10.0 litre 232 bar 12.4 kg (Tony Watt) 12.0 litre 232 bar 14.3 kg (Mark Trueick), 14.4 kg (Rob Deenen), 15.7kg (Dick Nas), 15.8kg (Jos Havekotte), 15.9 kg (Robert Leenen) 12.0 litre 228 bar 14.7kg (Jim Tyrwhitt-Drake) IKWA (steel) 15.0 litre 228 bar 16.5 kg (Nick Ireland) 15.0 litre 228 bar 16.5 kg (Nick Ireland) Luxfer (aluminium) 1.0 litre 200 bar 1.65 kg (Dan O\'Callaghan) 1.5 litre 200 bar 2.08 kg (Greg Roach) 3.0 litre 232 bar 3.68kg (Steven Sillar), 3.8 kg (Tony Watt) 3.0 litre (2003 model) 232 bar 4.2 kg (Steven Siller) 7.0 litre 232 bar 8.8 kg (Greg Roach) 10.0 litre 232 bar 12.1 kg (Stefan Seitz), 12.95 kg (Sebastian Giötz) 10.4 litre 232 bar 13.6 kg (web) 12.0 litre 232 bar 16.6 kg (Stefan Seitz) 12.2 litre 232 bar 16.1 kg (web) 6 cu ft 206 bar 1.1 kg (Igor Beades) 40 cu ft 206 bar 6.9 kg (Igor Beades) 80 cu ft 206 bar 14.2 kg (Igor Beades) ScubaPro (steel) 10.0 litre 232 bar 12.0 kg (Adri Haine) 15.0 litre 232 bar 20.3 kg (Meidan Eldan) Poseidon (steel) 6.0 litre 300 bar 9.2 kg (Espen Brekke) TorTec (steel), now Roth 3.0 litre 232 bar 3.5 kg (web) 10.4 litre 232 bar 12.6 kg (web), 13.5 kg, 13.7 kg (Keith Sabine) 12.2 litre 232 bar 14.5 kg (web) 12.5 litre 232 bar 15.6 kg (web) 12.5 litre (dumpy) 232 bar 15.7kg (Zak), 16.4 kg (Dave Roberts) 15.0 litre 234 bar 18.6 kg (Roger Hudd, Ari Asher) "MiniBreather" cylinders (steel) 4.6 litre 200 bar 5.48 kg (Bob Millar) Drager Dolphin (steel) 5.0 litre 200 bar 6.9 kg (Billy Hammond) Worthington (steel) 3.0 litre 230 bar 3.75 kg (Billy Hammond)

Common cylinder sizes available in Australia

Volume Pressure Weight Aquanaut (steel) 12.0 litre 232 bar 14.6kg (Alfred Zommers) Faber (steel) 3.0 litre 232 bar 3.8kg (David Cowan) 10.5 litre 232 bar 11.4kg, 11.5kg (David Cowan) 12.2 litre 232 bar 13.2kg (David Cowan)

Common cylinder sizes available in Belgium

Volume Pressure Weight Worthington (steel) 12.0 litre 232 bar 14.4kg (David Jacobs)

Common cylinder sizes available in Germany

Volume Pressure Weight Aircon (steel) 20.0 litre 232 bar 22.2kg (Josep Guarro)

Common cylinder sizes available in Italy

Volume Pressure Weight Faber (steel) 15.0 litre 200 bar 16.2kg (Ari Margolis) Luis Cuevas (steel) 12.0 litre ??? bar 12.2kg, 12.3kg (Igor Beades) Productos Tubulares (steel) 15.0 litre ??? bar 16.5kg (Igor Beades)

Common cylinder sizes available in Russia

Volume Pressure Weight IDA55 Rebreather 1.0 litre ??? bar 2.085kg (Igor Beades)

Common cylinder sizes available in Sweden