I consulted with Boeing engineers briefly, then raised $2 million in 20 minutes.

Designers would have to draw plans from existing engines, said a Boeing engineer, who asked that he not be identified.

As the production line developed, Boeing engineers continued to improve upon the basic design.

Even the Boeing engineers were confused by the where the wreckage of the plane had come from, an official said.

The pilots reported only relatively minor problems that were quickly corrected by Boeing engineers.

He, in turn, had to consult with a Boeing engineer.

A small group of Boeing engineers used Crater to do the job.

Boeing engineers are "extending ourselves over and above what we've done," he said.

They were invented in the early 1970s by two former Boeing engineers and avid backpackers.

It was this flaw that Boeing engineers deliberately created in the test engine.