CityCyclingEdinburgh Forum » General Edinburgh

Carry Freedom 'Bamboo' Trailer Build

(4 posts)
  • Started 12 years ago by Wilmington's Cow
  • Latest reply from Arellcat

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  1. Wilmington's Cow
    Member

    Might as well document this here. I've had the Carry Freedom bamboo trailer plans for ages (you can get them free if you ask nicely) - the intention being that the trailer can be built by anyone in the world with access to rudimentary equipment and a couple of wheels.

    I've got the remains of a cheapie gazebo that blew down and borked, so the poles are ideal for the trailer build. Going to pop by the Bike Station tomorrow lunchtime for some cheap wheels (either 20" or 26") and then get cracking. At the very least this should be simpler than the Sunbeam rebuild.


    Trailer build layout by blackpuddinonnabike, on Flickr

    Posted 12 years ago #

  2. crowriver
    Member

    Looking good.

    I was part of a team building 'Bamboo' trailers out of pine a couple of years ago in a workshop organised by Greener Leith.

    http://www.flickr.com/photos/greenerleith/sets/72157624247844624/
    (Somehow I managed to avoid being photographed).

    Anyway, we used 20" BMX front wheels. Very strong and BMX tyres ideal for a trailer.

    In my experience the trickiest parts to get right are:
    - Spacing/alignment of axle mounts so that wheels run in parallel.
    - Making the universal joint that hitches onto the bike rear axle.

    The rest is pretty straightforward.

    Good luck!

    Posted 12 years ago #

  3. lionfish
    Member

    Thanks for the ideas! This might work for the ECF trailer! (@minimoth?) I wonder where we can get bamboo from (sounds nicer than metal - although metal might be a bit more robust). The big question I have is how do you join the bits of metal together? :D - welding? cord? duct-tape?

    Although minimoth and I might have blown any reputation we had for being handy with making things after failing to repair their smoothy bike. We were tasked with fixing it with a budget of zero and some other constraints that made it a bit tricky :/

    Posted 12 years ago #

  4. Arellcat
    Moderator

    Duct tape can be very good for strapping bamboo or lightweight metal frames together, although it's more suited to an environment that won't generate relative movement, a canoe frame for example. The gooseneck hitch on a trailer might benefit from binding with cord first, although a pegged joint would be preferable. Get whittling, lionfish!

    Posted 12 years ago #

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