LP/SV bladder buoyancy test comparison / by Bill Martell and Ryan Wolter. : D68-5/116-2011E-PDF

Background: The buoyancy of CF jet aircrew LP/SV is unknown and may not provide the minimum 35 lbs that is required. The buoyant force of the British MK 30 LCX is also unknown; however, this flotation device utilizes a large bladder and may replace the LP/SV. Aim: The aim of this experiment was to calculate and compare the buoyant force of the CF LP/SV and the British MK 30 LCX. Methods: Bladders were inflated using either a 35g or a 45g CO2 canister. A Chatillon spring scale was used to measure the buoyant force following submersion. Results: The LP/SV and MK 30 LCX attained buoyant forces of 41 and 42 lbs respectively following inflation using a 35g CO2 canister, and 45 and 53 lbs respectively following inflation using a 45g CO2 canister. Conclusion: In all trials, both flotation devices produced buoyant forces greater that 35 lbs. The British MK 30 LCX produced larger buoyancy forces.

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Renseignements sur la publication
Ministère/Organisme Canada. Defence R&D Canada.
Titre LP/SV bladder buoyancy test comparison / by Bill Martell and Ryan Wolter.
Titre de la série Technical Note ; 2011-116
Type de publication Série - Voir l'enregistrement principal
Langue [Anglais]
Format Électronique
Document électronique
Note(s) "July 2011."
Includes bibliographical references.
Information sur la publication [Ottawa] : Defence Research and Development Canada, c2011.
Auteur / Contributeur Martell, Bill.
Wolter, Ryan.
Description iv, 14 p. : figures.
Numéro de catalogue
  • D68-5/116-2011E-PDF
Descripteurs Technical reports
Life preserver
Safety vest
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