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dking
Starting Member

USA
1 Posts
Posted - 04/15/2012 :  12:26:34  Show Profile  Reply with Quote
I am a machine designer and would like to build a multi-functional / convertible recumbent with about 5 positions for exercise. Recumbent, hand cycling, rowing, etc. If any one knows if anything similar exists now or has any opinion about this project, please let me know.
Thanks for your help.

Garrie L Hill
human power supergeek

USA
1299 Posts
Posted - 04/15/2012 :  16:56:28  Show Profile  Reply with Quote
K.I.S.S. Do one thing well, or many things less so.

Garrie "carbon based lifeform" Hill
HPRA Co-Dictator of the East
for pics of some of my time and money sucking projects
http://garriehill.winkflash.com/
and
http://s58.photobucket.com/albums/g277/cfbb/
and videos
http://vimeo.com/5513519
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jimincolorado
Starting Member

USA
24 Posts
Posted - 04/18/2012 :  12:07:42  Show Profile  Reply with Quote
See this for starters:
http://www.bentrideronline.com/messageboard/showthread.php?t=80563&highlight=Louis
He has modified his LWB for arm and leg power. Seems to have worked out many of the kinks throughout the years.

Jim
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alevand
human power supergeek

USA
1646 Posts
Posted - 04/18/2012 :  14:33:05  Show Profile  Visit alevand's Homepage  Reply with Quote
I would be good for getting you tired.

C:
Tony Levand
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PUGZCAT
recumbent enthusiast

Canada
241 Posts
Posted - 04/20/2012 :  08:41:06  Show Profile  Reply with Quote
Louis H's machine looks like it works great. The 2 : 1 ratio between cranks and arms seems bio-mechanically right. Not hard to see how it would very easily boast peak power output. He appears to have hit the design sweet spot. The design could be enclosed in a fairing quite easily as well. Lay back the riding position for reduced frontal area and it would cruise even faster. I know variations have been tried and never panned out but that was because the design wasn't right.
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Jeff Wills
human power supergeek

USA
1124 Posts
Posted - 04/20/2012 :  20:59:21  Show Profile  Visit Jeff Wills's Homepage  Reply with Quote
Practical hand and foot-powered recumbent:
http://good-times.webshots.com/video/3047189840100039462xYxYMI
http://www.ohpv.org/events/albums/jf2007/pages/IMAG0238.htm



Not so practical hand and foot-powered, ummm... thing:
http://everythingandnothing.typepad.com/mississippi/wheels/



__________________
Jeff Wills
All my bikes:
http://home.comcast.net/~jeff_wills/Gallery/index.html
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