His personal parachute opened.
At that moment, the experimental ejection effectively became an ordinary parachute descent.
The seat fell separately under its own recovery system.
Lynch came down beneath his canopy.
He reached the ground safely.
Martin-Baker recorded that he made a perfect landing.
The importance of that landing went far beyond the physical condition of one test subject.
The complete system had worked in the real environment.
The result answered several engineering questions at once
The experiment showed that the seat could produce enough acceleration to clear a jet aircraft.
It showed that Lynch could tolerate that acceleration.
It showed that the face screen provided useful protection.
It showed that the seat could transition from the cockpit into a high-speed slipstream without immediately becoming uncontrollable.
It showed that a small drogue could stabilize the system.
It showed that the larger recovery parachute could slow the seat enough for Lynch to perform manual separation.
It showed that Lynch remained conscious and coordinated after the launch.
Finally, it showed that a personal parachute could complete the escape.
The distinction between individual component tests and a complete system test is important.
Before July 24, Martin-Baker knew several pieces could work separately.
The tower proved the catapult.
Parachute tests could prove fabric and deployment mechanisms.
Engineering calculations could estimate airflow loads.
None of those tests could guarantee success when every stage happened in sequence.
A real aircraft added variables that could not be fully reproduced on the ground.
The July flight brought them together.
The system succeeded from the first pull of the handle to the final landing.
The acceleration problem had not disappeared
Success did not mean ejection had become harmless.
The launch remained violent.
A pilot who ejects is exposed to acceleration that can produce injuries even when the system works correctly.
James Martin's achievement was not eliminating violence.
It was controlling it.
The two-cartridge gun used in Lynch's test represented an early effort to shape the acceleration pulse.
Instead of delivering all the energy at one instant, the mechanism produced the required velocity while limiting how sharply the g-force rose.
This problem would follow ejection-seat designers for generations.
Aircraft became faster.
Seats needed to clear larger tails.
Pilots carried heavier equipment.
Helmet systems became more complex.
The range of pilot body sizes expanded.
The system had to work for all of them.
The basic tradeoff remained.
Enough acceleration to escape.
Not so much that the escape becomes the injury.
Lynch gave Martin real human evidence that the balance could be achieved.
The next question involved a hundred more miles per hour
A successful test at 320 mph did not prove the system would work throughout the speed range of future jets.
Martin-Baker therefore continued development.
The pre-production seat was redesigned.
Dummy ejections were repeated.
The drogue and its storage arrangements were improved.
Problems discovered during early trials were corrected.