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  1. #1
    Older I get, Better I was velonomad's Avatar
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    This recumbent tandem my wife wants is now preying on my mind. I was doing some full size drawings in the shop a little while ago and the only piece of the puzzle I haven't got figured out is how far the center of the crank should be from the center of the seat ( or some other landmark on the seat) for a given person.. Is there a method or rule of thumb for measuring someone to fit on a recumbent?

    TIA
    Last edited by velonomad; 01-10-06 at 08:34 PM.

  2. #2
    Junior Member
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    well you can use x seam measurment for starters.
    google it you will get a better descriptthan I can do.
    I have made a tandem recumbent useing a carbon fiber lugs and aluminum tubing,
    Knees hitting the captain seat is what to watch for, it's more of a problem with short stokers.
    Attached Images Attached Images

  3. #3
    Older I get, Better I was velonomad's Avatar
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    Thanks! that was simple enough. since the sizing measurement is very dependant on the seat I am going to figure out the seats and buy them before I cut any steel. Any recommendations on seats?

    Rick

  4. #4
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    You can make your own, recumbent seats are pretty expensive.
    I made my own carbon fiber ones but thats a bit complicated.
    here are a few links for do it yourself
    http://www.recycledrecumbent.com/ez1draw.htm at the bottom of the page he has plans
    http://www.wisil.recumbents.com/wisil/default.htm this site has all kinds of projects

  5. #5
    Older I get, Better I was velonomad's Avatar
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    '14 BD Lurch Fatbike, '10 custom road,'06 custom expedition, '94 Yokota Tandem, '88 custom MTB
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    Thanks again! I saw a couple of the seat plans and that looks pretty good unless I run short on time. Gaerlan (SP) has a pretty reasonable seat assembly I may fall back on. I was thinking of getting this done by June and surprising my wife on our 20th anniversary.

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