Comments on: Lasher BT-Mg http://www.usatechguide.org/blog/lasher-bt-mg/ United Spinal Association Wed, 16 May 2012 04:17:38 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Ziggi http://www.usatechguide.org/blog/lasher-bt-mg/comment-page-1/#comment-258 Ziggi Thu, 09 Mar 2006 06:38:42 +0000 http://www.usatechguide.org/blog/?p=143#comment-258 I believe they have. I do recall several manual chairs, past and present, that were made of carbon fiber (or at least in part). Of course carbon wheels have been around for quite some time. www.usatechguide.org/itemreview.php?itemid=575 www.usatechguide.org/itemreview.php?itemid=628 www.usatechguide.org/itemreview.php?itemid=657 The fatigue issue may be resolved by using a larger diameter tubing for the frame. The Lasher wheelchair does utilize a 1.375″ tubing. The salt issue is interesting. I'll see what I can find on that. I believe they have. I do recall several manual chairs, past and present, that were made of carbon fiber (or at least in part). Of course carbon wheels have been around for quite some time.

http://www.usatechguide.org/itemreview.php?itemid=575
http://www.usatechguide.org/itemreview.php?itemid=628
http://www.usatechguide.org/itemreview.php?itemid=657

The fatigue issue may be resolved by using a larger diameter tubing for the frame. The Lasher wheelchair does utilize a 1.375″ tubing. The salt issue is interesting. I’ll see what I can find on that.

]]> By: Katja http://www.usatechguide.org/blog/lasher-bt-mg/comment-page-1/#comment-257 Katja Thu, 09 Mar 2006 04:26:21 +0000 http://www.usatechguide.org/blog/?p=143#comment-257 Magnesium has a bad fatigue life, and doesn't react well to salt. Why haven't any manufacturers picked up on carbon fiber? Magnesium has a bad fatigue life, and doesn’t react well to salt. Why haven’t any manufacturers picked up on carbon fiber?

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