tag:blogger.com,1999:blog-7348535089865082485.post7396990044768217763..comments2023-09-14T15:28:26.950+10:00Comments on Modular Bikes: Wooden Bike Mk2 Part 6stevenurseauhttp://www.blogger.com/profile/07732992885428092681noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-7348535089865082485.post-65985352842503280792013-04-07T22:12:03.658+10:002013-04-07T22:12:03.658+10:00Hi Brad On the way home from a ride today I got s...Hi Brad On the way home from a ride today I got some timber & brackets for a new rear triangle. Will add a picture soon. The timber is just the same as the main boom timber, 35 x 90mm pine. A 1.8m bit of the timber fitted in the back of my current bike. Not really going for light weight or grest finesse here, just something that will do the jobstevenurseauhttps://www.blogger.com/profile/07732992885428092681noreply@blogger.comtag:blogger.com,1999:blog-7348535089865082485.post-28027678070047316232013-04-07T15:46:58.136+10:002013-04-07T15:46:58.136+10:00Hi Steve, looks good. on the rear triangle stiffne...Hi Steve, looks good. on the rear triangle stiffness (or lack of) I think if you add square/rectangle bit of ply from one side to the other just in front of the wheel mounted vertical, maybe with small routed grooves and glued in with a good glue it might stop the 2 sides of the triangle from rotating and keep the wheel triangle more stiff (ie cross bracing).<br /><br />It looks from the picture that you only have 2 bolts in the center keeping the 2 sides together, bolts on thin wood will not really stop rotational forces that the wheel will apply to the triangle.<br /><br />If it is not enough then you could extend the cross bracing in a curve over the wheel (including the 2 side triangles) that could double as a mudflapBradley Jarvishttps://www.blogger.com/profile/13699836317162644350noreply@blogger.com