The experimental results were beyond imagination

Chapter 14

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He may have only seconds.

Martin's solution reduced part of the problem to a natural action.

Reach upward.

Pull.

The screen moves down.

The body straightens.

The face becomes protected.

The seat fires.

One motion solves several problems.

Later seats would use different handles and systems depending on aircraft design, but the philosophy remained.

Good emergency equipment does not merely provide capability.

It guides the user toward the safest possible way to activate that capability.

The drogue represented the same kind of thinking

The drogue parachute also solved a problem indirectly.

Martin could have tried to design the seat itself into a perfectly stable aerodynamic shape.

That would have added weight and complexity.

Instead, he used drag.

A small parachute deployed behind the seat.

Airflow that threatened to tumble Lynch became the force that helped stabilize him.

The environment itself became part of the solution.

This type of thinking appears repeatedly in successful aerospace engineering.

Do not fight every force directly.

Use the force where possible.

The slipstream was dangerous.

The drogue converted part of that slipstream into stabilizing drag.

The parachute still remained the final lifesaving device

For all the complexity of the ejection seat, the final descent still depended on a much older aviation technology.

The parachute.

The seat's job was to create the conditions in which the parachute could work.

This relationship is important.

An ejection seat by itself does not bring the pilot safely to the ground.

It creates separation from the aircraft.

It stabilizes and manages energy.

It gets the pilot into an environment where the recovery parachute can finish the job.

The entire system therefore connects two generations of aviation safety.

The parachute solved the problem of falling.

The ejection seat solved the problem of reaching a safe fall.

Lynch's test happened at the beginning of the jet age

The date July 24, 1946 places the experiment in a remarkable period.

World War II had ended less than a year earlier.

Jet aircraft had been used operationally, but the mature jet fighter had not yet emerged.

The sound barrier had not yet been officially broken in level controlled flight.

Swept-wing designs were still being explored.

Military aviation was moving into an era whose limits were not yet clear.

Engineers could predict that aircraft would become faster.

They could not know exactly how far or how quickly.

The ejection seat therefore developed before the full scale of the problem was visible.

That is one reason Lynch's experiment mattered so much.

Britain was not waiting for a generation of fatal jet accidents before developing a solution.

Engineers were attempting to build the escape system while the new aircraft era itself was still beginning.

The German experience had already shown that assisted escape could save a life

Helmut Schenk's 1942 escape had demonstrated the basic principle under emergency conditions before Lynch's flight.

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The experimental results were beyond imagination

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