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Competitive Technical Swimsuits

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Erica Lin

on 15 May 2014

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Transcript of Competitive Technical Swimsuits

Competitive Technical Swimsuits
Aim of Swimsuits: Reduce Drag & Increase Buoyancy
The "Fastest" Swimsuits
Evolution of Competitive Swimsuits
FINA enforces regulations
Results of Suit and Controversy
Prior to 1980s, there were only slight modifications to the types of competitive swimwear worn. Most of these changes were with the amount of material used (skin coverage).
Prior to 1980s
Speedo first debuted swimwear made of nylon/lycra in 1980. 1980s marked the beginning of suit modifications based on material/fabric
Post 1980s
Resistance: Drag
Buoyancy
: Upward acting force caused by fluid pressure that allows objects to float
Center of Buoyancy
: The center of gravity of the volume of displaced liquid
Buoyancy
https://www.speedocanada.com/_controller/index.cfm?categoryID=3&sectionID=3&contentID=2
http://www.dailytech.com/New+Swimsuit+Tech+Could+Mean+New+World+Record+Times+/article15581.htm
Jaked & Arena X-Glide
Speedo Fastskin LZR Racer
2008 Beijing Olympics: Out of 25 world records broken, 23 were broken by swimmers wearing the LZR suit

2009 Rome Championships: 43 broken world records in 40 events. Called the "Plastic Games"
Results of Suits
Controversy
Regulations
Future of Swimsuits
1908
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201
1912
1928
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130187
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130184
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130185
1932
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130188
1936
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130189
1948
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130190
1956
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130191
1976
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130192
1984
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130193
1992
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130194
1996
2000
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130196
2008
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130195
http://www.nydailynews.com/sports/london-olympics-2012-evolution-olympic-swimsuits-gallery-1.1130201?pmSlide=1.1130197
http://www.wired.com/2010/09/peak-performance/all/1
100 % Polyurethane
Drag
: the resistance a swimmer must overcome through propulsion in order to move

Passive
: Resistance when swimmer doesn't move
Active
: Resistance created by swimmer's stroking and kicking movements. Additional to passive drag.
http://coachsci.sdsu.edu/swim/bullets/float36.htm
http://swimright23.webs.com/buoyancy.htm
Valid till December 31, 2009
Thickness: Maximum of 1mm
Buoyancy: Maximum of 1 Newton
(The Physics and Biomechanics of Swimming, 2010)
(The Physics and Biomechanics of Swimming, 2010)
http://www.abc.net.au/news/stories/2009/07/31/2642101.htm?site=local
http://ivorysofa.blogspot.com/search?q=the+end+of+the+swimsuit+wars
Thickness: Max of 0.8mm
Buoyancy: Max of 0.5N
Permeability: Min of 80 l/m^2/s
Applied from January 1, 2010
http://coachsci.sdsu.edu/swim/bodysuit/fiveauth.htm
http://coachsci.sdsu.edu/swim/bullets/forces4.htm
http://coachsci.sdsu.edu/swim/bullets/forces4.htm
http://coachsci.sdsu.edu/swim/bullets/forces4.htm
Distinct drop in times in 2009 can be seen above.

Biedermann beats Phelps in the 200m free final.
http://engineeringsport.co.uk/2012/07/30/can-the-swimsuits-of-2012-beat-the-polyurethane-swimsuits-of-2009/
http://paceclub.speedousa.com/fastskin3/racing_system
Full transcript