As you called it an emergency brake to keep from going over a cliff...

Is it feasible to install this emergency brake as a U Brake just behind the bottom bracket. Again, as an emergency brake, not a drag brake or supplemental brake, only as a life saver.


Truth be told, from your post,

Any thoughts on this and what you would do if you faced brake failure (partic front) and had a runaway tandem on a 10% hill that wouldn't slow down and a corner is approaching that you know you can't get around and the only option is collision and flying over the edge?

this is a thought I would say does not enter my mind. When conditions dictate, or fear becomes a factor, I slow down.

PK