- Jan 18, 2009
- Reaction score
In 1971, Estes B4 & B6 motors were sold, as a package of 3 motors, for $1.00 , , , Estes B14 motors were 3 motors for $1.10The B14 and B8 motors required additional manufacturing processes which increased their production time. This resulted in higher costs to the hobbyist for a 'B' motor compared to a B4 or B6 motor. Sales of the motors were low resulting in their discontinuation.