You are reading a single comment by @Brun and its replies.
Click here to read the full conversation.
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
@Brun
I figured there must be a formula for B based on radius and number of sides. Google led me to this...
Edit: Since that's the perimeter and you only want one side, I guess it starts '2r sin...'
1 Attachment