carg I understand that this has taken long enough, and you are tired of it, so I don't expect an answer; just couldn't resist writing my latest thoughts.
no problem, but for me this is too theoretical. yes my chain is welded tightly, only the crotch plate is padlocked. my legs are pulled together because the chain becomes tight when i sit. i hope i could explain this a little.
Joh Or when you lift one thigh which angel this thigh can archive. E.g 20° 30° or 45°measured to vertical,
do you think what angle i can get when i try to push one leg up and then between the upper and lower thighs? if not, would you mind asking me that in german, i don't think i understand it otherwise?