Hello everyone, I am new to the forum and I have something that I would love some feedback on. First a little background, I have started designing and building bike frames two years ago and what I am currently working on is a fully demountable road bike for myself. It is a bit basically a cross between René Herse's demountable and Caminargent's demountable bikes.
The system is a set of clamp on quick release lugs that attach the tubes to form the frame. With the exception of the chain stays, the bottom bracket, and the dropouts which will be brazed together to form what will become a rear fork. Additionally the seat stays will be single gauge steel tubes with a consistent diameter all the way down and will be bolted onto an articulating drop out and onto a corresponding articulated joint on the down tube top tube lug. The cabling on the final version will be internally routed through the down tube and will route to the front/rear derailleur and the rear brake which will be mounted on the chain stays (hopefully, pending chain clearance.)
I have completed the second draft of the lugs that so they are fairly close approximations of what will be used for the bike itself. Currently I am working on the next iteration to send off to be printed for fit and then will be having them cast to become a functional prototype of a bike (having done the calculations in autodesk it is theoretically structurally sound as an assembly but one can never be too careful.) The quick releases aren’t the final versions either they’re from Lee Valley and the lugs themselves are currently made out of plastic for fit. What I am currently thinking about the project is that it could be easily customized for others or refitted for different riders.
Any feedback, concerns, or input about the project would be greatly appreciated.