Radio Australia. Innovations. Cone-Head Helmet. A helmet designed to reduce motorcycle fatalities and injuries. Transcript 4th February 2008.
Contact: Don Morgan
33 Kingsley Parade, Yeronga, QLD 4104
Email: donmorgan@optusnet.com.au
[5]
[14] Andersen LB, Schnohr P, Schroll M, Hein HO. All-cause mortality associated with physical activity during leisure time, work, sports, and cycling to work. Arch Intern Med 2000 Jun 12;160(11):1621-8.
DEPARTMENT OF TRANSPORT, FEDERAL OFFICE OF ROAD SAFETY. Report No. CR 55
Date May, 1987
Pages 160 f xi
ISBN 0 642 510 431 ISSN CR = 0810-770
Title: MOTORCYCLE AND BICYCLE PROTECTIVE HELMETS: REQUIREMENTS RESULTING FROM A POST CRASH STUDY AND EXPERIMENTAL RESEARCH.
Authors: J.P. Corner, C.W. Whitney, N. O'Rourke, D.E. Morgan CR 55: Motorcycle and bicycle protective helmets requirements resulting from a post crash study and experimental research (1987) [4]
Improved Shock Absorbing Liner for Helmets. Morgan D.E., Szabo L.S. July 2001. Australian Transport Safety Bureau. "In an impact situation involving a motorcycle or bicycle helmet, cracking through the thickness of the foam liner (slabcracking) is undesirable as it renders the foam liner of the helmet useless in its ability to further absorb an impact force. As a result the foam is unable to distribute the focal impact over a larger area and to decelerate the blow at the point of impact...
The majority of cracking displayed by samples was in the shape of an arc outlining the spherical
headform on impact. Arc-cracking has minimal effect, as it is part of the crushing process.
However, cracks developing partly or fully through the thickness of the foam-slab renders it
useless in crushing and absorbing impact forces."
DEPARTMENT OF TRANSPORT, FEDERAL OFFICE OF ROAD SAFETY. Report No. CR 55 Date May, 1987 Pages 160 f xi ISBN 0 642 510 431 ISSN CR = 0810-770 Title: MOTORCYCLE AND BICYCLE PROTECTIVE HELMETS: REQUIREMENTS RESULTING FROM A POST CRASH STUDY AND EXPERIMENTAL RESEARCH. Authors: J.P. Corner, C.W. Whitney, N. O'Rourke, D.E. Morgan CR 55: Motorcycle and bicycle protective helmets requirements resulting from a post crash study and experimental research (1987) [18]
Martin Dawes, Bob Phillips; Chris Ball, Dave Sackett, Doug Badenoch, Sharon Straus, Brian Haynes, (2001年5月). “Levels of Evidence”. Oxford Centre for Evidence-based Medicine. 2007年9月7日閲覧。
Martin Dawes, Bob Phillips; Chris Ball, Dave Sackett, Doug Badenoch, Sharon Straus, Brian Haynes, (2001年5月). “Levels of Evidence”. Oxford Centre for Evidence-based Medicine. 2007年9月7日閲覧。
cochrane.org
[10] Macpherson A, Spinks A. Bicycle helmet legislation for the uptake of helmet use and prevention of head injuries. Cochrane Database of Systematic Reviews 2007, Issue 2. Art. No.: CD005401. DOI: 10.1002/14651858.CD005401.pub2
Jim G Sundahl, Senior Engineer, Bell Sports. 19th January 1998.
Letter to the U. S. Consumer Product Safety Commission, c/o Scott Heh, Project Manager
Directorate for Engineering Sciences
Washington, D. C, 20207
“アーカイブされたコピー”. 2008年9月20日時点のオリジナルよりアーカイブ。2008年2月18日閲覧。 (Errors as in original.) "any number of liner materials could absorb energy better than contemporary helmet liners but in fact produce a very poor helmet, A couple of good energy managers are soft lead sheet and modeling clay. impacting either of these produces negligible rebound velocity. In other words, they absorb .virtually ail of the impact energy. None of us are advocating these materials for helmet liners because energy absorption is not very important for helmets. I think that any discussion of helmet test criteria that includes the word “energy’ is suspect and might be misleading. Acceleration management is what helmets are about. All helmet standards measure acceleration and enforce a pass/fail criteria that includes a maximum acceleration rate...”
U.S. CONSUMER PRODUCT SAFETY COMMISSION
Office of Compliance. Requirements for Bicycle Helmets 16 C.F.R. Part 1203 [2]
Jim G Sundahl, Senior Engineer, Bell Sports. 19th January 1998.
Letter to the U. S. Consumer Product Safety Commission, c/o Scott Heh, Project Manager
Directorate for Engineering Sciences
Washington, D. C, 20207
“アーカイブされたコピー”. 2008年9月20日時点のオリジナルよりアーカイブ。2008年2月18日閲覧。
accessed 18th February 2008.
“Reduction in child fatalities from helmet use: a best case scenario” (英語). Homepage. National Children's Bureau (2005年12月). 2019年1月4日閲覧。 “The 2004 BMA statement announcing its decision to support compulsory cycle helmets shows how the uncritical use of accident statistics can lead to poor conclusions.”
Jim G Sundahl, Senior Engineer, Bell Sports. 19th January 1998.
Letter to the U. S. Consumer Product Safety Commission, c/o Scott Heh, Project Manager
Directorate for Engineering Sciences
Washington, D. C, 20207
[3]
accessed 18th February 2008.
Burdett, Avery. “The Vehicular Cyclist”. Who should wear helmets?. Ontario Coalition for Better Cycling. 2008年1月9日閲覧。 “Of 2500 Major Head Injuries Annually in Ontario 49 % motor vehicle involvement—including pedestrians, excluding cyclists 35 % falls, 6 % homicide, 2 % suicide, 6 % other causes less than 2 % Cycling Source: Canadian Institute For Health Information 2001/2002)”
Burdett, Avery (2007年12月). “Cycling safer than golf”. Ontario Coalition for Better Cycling. 2008年1月9日閲覧。 “The April 2005 edition of the Journal of Neurosurgery: Pediatrics carried a review of patients under age 19 seen by pediatric neurosurgeons at the Medical College of Georgia in Augusta between 1996 and 2002. Sixty four of the total of 2,546 head injured patients treated had sports-related injuries. Less than 1 % (17) treated had cycling-related injuries. (Apparently the authors consider cycling to be a sport rather than a mode of transportation.) Fifteen were golf-related. The review did not attempt to compare relative risks by estimating exposure rates, but since children participate in cycling activities in vastly greater numbers than they do in golfing activities, it is abundantly clear that children are much safer riding their bikes than they are doing many other ordinary activities considered by most as benign and virtually harmless. This review provides more evidence that safety advocates' obsession with protecting our young cyclists through use of helmets is enormously out of proportion to the low risk involved in cycling. To these advocates, we say, "Cycling is a safe, fun, healthy activity. Stop exaggerating its risks. That discourages the uptake of cycling and from a health point of view is extremely counterproductive."”
Burdett, Avery (2006年8月). “About the OCBC”. Ontario Coalition for Better Cycling. 2008年1月9日閲覧。 “Unfortunately, this enjoyability and low risk is threatened by various politicians, bureaucrats, safety lobbyists, and misguided members of certain cycling organizations who would have cyclists ghettoized into bike lanes and onto bike paths, and slap foam hats on everyone's head!”
"For more than 15 years, Bell Sports has committed its expertise and funding to Safe Kids coalitions across the United States to keep kids safe from bicycle and other wheel-related injury and death" [22] Accessed 1st March 2008.
"On the legislative front, Bell Sports supports the annual Safe Kids helmet legislative and enforcement grant program. Through these grants, coalitions are able to conduct advocacy efforts to enact or enforce helmet use legislation for bike riding or other wheeled sports. Numerous coalitions have been able to make strides in the legislative arena and encourage more kids to wear helmets through Bell's support." [23] Accessed 1st March 2008.
Jim G Sundahl, Senior Engineer, Bell Sports. 19th January 1998.
Letter to the U. S. Consumer Product Safety Commission, c/o Scott Heh, Project Manager
Directorate for Engineering Sciences
Washington, D. C, 20207
“アーカイブされたコピー”. 2008年9月20日時点のオリジナルよりアーカイブ。2008年2月18日閲覧。 (Errors as in original.) "any number of liner materials could absorb energy better than contemporary helmet liners but in fact produce a very poor helmet, A couple of good energy managers are soft lead sheet and modeling clay. impacting either of these produces negligible rebound velocity. In other words, they absorb .virtually ail of the impact energy. None of us are advocating these materials for helmet liners because energy absorption is not very important for helmets. I think that any discussion of helmet test criteria that includes the word “energy’ is suspect and might be misleading. Acceleration management is what helmets are about. All helmet standards measure acceleration and enforce a pass/fail criteria that includes a maximum acceleration rate...”
Jim G Sundahl, Senior Engineer, Bell Sports. 19th January 1998.
Letter to the U. S. Consumer Product Safety Commission, c/o Scott Heh, Project Manager
Directorate for Engineering Sciences
Washington, D. C, 20207
“アーカイブされたコピー”. 2008年9月20日時点のオリジナルよりアーカイブ。2008年2月18日閲覧。
accessed 18th February 2008.
[11] Thompson DC, Rivara FP, Thompson R. Helmets for preventing head and facial injuries in bicyclists. Cochrane Database of Systematic Reviews 1999, Issue 4. Art. No.: CD001855. DOI: 10.1002/14651858.CD001855.
