LewTwo
1 MW
Hmmmm ....
Just trying to consider this in the worn coffee grinder that passes for my mind. For the sake of discussion this is regarding a more or less generic double triangle frame. Has anyone seen any reference to the number of layers and or weight of carbon fiber and/or glass fiber required for structural components (tubes) of a bicycle frame? Also is there a significant difference in strength or other attributes between epoxy and polyester resins?
The concept is to use standard PVC pipe to form a frame via 3D printed internal lugs. Then wrap the assembly with CF or Glass tape and resin ... no vacuum forming. Of course the headtube, bottom bracket and rear dropouts would need to be metal (aluminum for weight or steel for strength). The PVC and lugs would be considered to contribute little to no strength to the assembly.
I note that a heat gun could be used on the PVC to do some reshaping of the PVC such as flattening the rear chain stays a bit. Most PVC is nominal 40 weight but 20 and 10 are also available via special order?
Thoughts, comments or flames ....
Just trying to consider this in the worn coffee grinder that passes for my mind. For the sake of discussion this is regarding a more or less generic double triangle frame. Has anyone seen any reference to the number of layers and or weight of carbon fiber and/or glass fiber required for structural components (tubes) of a bicycle frame? Also is there a significant difference in strength or other attributes between epoxy and polyester resins?
The concept is to use standard PVC pipe to form a frame via 3D printed internal lugs. Then wrap the assembly with CF or Glass tape and resin ... no vacuum forming. Of course the headtube, bottom bracket and rear dropouts would need to be metal (aluminum for weight or steel for strength). The PVC and lugs would be considered to contribute little to no strength to the assembly.
I note that a heat gun could be used on the PVC to do some reshaping of the PVC such as flattening the rear chain stays a bit. Most PVC is nominal 40 weight but 20 and 10 are also available via special order?
Thoughts, comments or flames ....