The Republic F-105 Thunderchief was equipped with this seat designed by Republic Aircraft. The F-105 seat used a set of rollers that were arrainged to fit over a set of channel rails mounted on the cockpit bulkhead. This rail unit covered the ROCAT except for the attachment point at the top, and the seat height actuator at the base. The seat used a gun-deployed, backpack-style parachute with a seat-mounted set of shoulder harnesses and associated lap belt to restrain the occupant. The seat was fired by a set of armrest mounted handles. They worked in a two stage manner. The first stage raised the armrests and jettisoned the canopy. The second was by squeezing the trigger grips fired the Rocket-Catapult (ROCAT). It was fitted with a leg restraint system. Late versions of the seat were fitted with a drogue parachute for stability.
One oddity of the system is some evidence that has surfaced that some of the leg restraint lines were made of rope, and I am researching that, so if any of you readers know about that, please drop me an email. This seat was used in a successful ejection.
|3/4 left view|
|3/4 right view|
|Another 3/4 right view|
|Rear view Showing the expended ROCAT|
|Labeled Diagram of the seat|
|Overall view of the ROCAT|
|Top Mounting point|
|Base of the ROCAT from the side|
|ROCAT in the rail unit|
This pic shows a F-105 rail mounted in a F-106 aft cockpit for
testing the addition of the Weber Gun-Deployed parachute.
Thanks to the anonymous collector who is allowing me to use these photos, and F-105 Diagram courtesy Rick Versteeg's Thud Ridge Web
|Ejection Seat Trivia||An Ejection Seat Warning|
|Fascinating Ejection Seat Facts||Underwater Ejection|
|Ejection from an OV-1 Mohawk
The Weber F-106 & Project 90
|NASA ejection seats|
|Remembering the Pioneers||Some Ejection Seat Links|
|Send email to Kevin|