The designer of the ABC Dragonfly promised much, such to the extent that most other engines in development were cancelled, but turned out to be extremely unreliable.
What if Sir William Weir had been a bit more cautious and not decided to standardise on the untested engine, what other engines would have been available for development?
What if Sir William Weir had been a bit more cautious and not decided to standardise on the untested engine, what other engines would have been available for development?
