Trail braking. Trail braking is a motorcycle riding and driving technique where the brakes are used beyond the entrance to a turn and are gradually released up to the point of apex.
Allowable Load Reference Tables. for Better HeaderÂ® Beam Selection. Beam spans are defined as follows: Simple span dimensions are measured from the inside face of the support and Multiple span dimensions are measured from the inside of the face of your exterior support to the center line of the interior support.
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit.