Check this out:http://www.etsy.com/listing/69062925/handmade-bamboo-fixed-gear-bicycle?ref=sr_gallery_13&ga_search_submit=&ga_search_query=bicycle&ga_view_type=gallery&ga_ship_to=US&ga_search_type=all&ga_facet=
pjc5150 said:Looks like I may need a better grade of bamboo.....or some with thinner walls and larger "cavities" inside
Try to find bamboo with a thicker wall. Then run a sharpened metal rod through the length of the bamboo to open it up inside. Then spray foam into the entire rod. This will leave the ends full of removable material so you can make the clearance to place over the nubs. However you will still need lugs of some sort. Plus most bamboo bikes use bamboo for the headtube as well. You can also cap one end of each bamboo rod and fill with cement but it will make the bike heavier. The foam just takes some of the flexibility out giving you a product rigid enough for framework.pjc5150 said:I have a bamboo bike project in the VERY early stages of development (a project I started after having a few too many cold beverages)...
Essentially I have a $5 garage sale bike I cut up, and some constuction grade bamboo I got from a guy who makes tiki huts.
Yesterday I tried to drill out some of the bamboo & sleeve it over the "nubs" I left of the frame and it just kept cracking.
Looks like I may need a better grade of bamboo.....or some with thinner walls and larger "cavities" inside
pjc5150 said:Yeah, this bamboo DOES have thick walls. So thick I had to try drilling them out.
And I have no idea how I would simply "run a sharp rod through it"....that stuff is hard as a rock. If I couldn't drill it out without it cracking, I have no idea how I'd hammed a rod through it without it cracking as well.
Either way, everyone tells me something different. Starting to think this one may end up in the "failure" bin....
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