Little known fact. The shape of the lobes is a section of a logarithmic spiral, used to ensure the cam engages with the rock at a constant angle regardless of t

Little known fact. The shape of the lobes is a section of a logarithmic spiral, used to ensure the cam engages with the rock at a constant angle regardless of the size of the crack http://web.mit.edu/custer/www/rocking/cams/cams.body.html http://web.mit.edu/custer/www/rocking/cams/cams.body.html