by "You can tell a Finn but you can't tell him much" (youcantellafinn)
Published 06/28/2017 at 09:05
by "You can tell a Finn but you can't tell him much" (youcantellafinn)
Published 06/28/2017 at 09:05
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STARS: 2
A Youtube video with interesting and worthwhile comments. There are even replies to comments that add to the conversation. Oh yeah, the video shows aircraft store separation incidents
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Tests like these brought on the evolution of “EJECTOR FEET” in the bottom of weapons release racks, or otherwise stores release racks. One of the most popular, was the MAU-12 bomb rack. When the pilot pressed the pickle button, a 27 volt charge hits the primers of 2 impulse carts (similar in appearance to 12 ga. shotgun shells). The gas pressure expanding from their firing not only opens the 2 hooks that grab the bombs lugs that hold it in place, but the pressure sends 2 solid stainless steel rods about 10" long to strike the top of the weapon extremely hard, so as to knock the weapon away from the aircraft, as well as open the retaining hooks. No more tail or stab strikes. I was a Weapons Systems Specialist in the USAF. Decades later, I still remember all this shit, but barely remember what happened freakin’ yesterday! Life gets pretty weird when you get old.
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This is related to how the US Navy’s nuclear attack bomber became a reconnaissance aircraft. The Navy had to have it’s own nuclear bomber, that could be launched and recovered from aircraft carriers so the A-5 Vigilante was developed. The A-5 held the nuclear weapon in a bomb bay right between the two jet engines. It was designed to slide right out the back. Except it didn’t. Air flow around the tail end between the engines pushed the bomb back into the bomb bay after release, and it would rattle around inside the jet. I don’t think the Navy ever tried dropping a real nuke, only test bombs (nuclear parts replaced with sensors) and totally inert dummys. But a bomber that can’t deliver it’s bombs can’t be a bomber. So it was converted to a photo reconnaissance jet with camera equipment where the bomb used to be.
We had the same problem in the early days of F-14 development. They hung 500 pound bombs from racks on ether side of the center line rails and in dive bombing runs when they pickled the bombs off they would get hung in the boundary layer between the intakes and just sit there bouncing around and beating the crap out of the belly of the Tomcat. The pilots would have to pull some hard G’s to get rid of the ordnance. Needless to say the bombs landed anywhere but on target. New racks, new bomb shape, and a few other technical changes fixed it.
"ttyymmnn" (ttyymmnn)
06/28/2017 at 09:26, STARS: 2
It’s fascinating that just dropping something off an airplane could be so difficult.
"McMike" (mcmike)
06/28/2017 at 09:51, STARS: 0
@0:37. I had a poop like that this morning.
"You can tell a Finn but you can't tell him much" (youcantellafinn)
06/28/2017 at 10:28, STARS: 1
Pics or it didn’t happen. Wait, no, that’s not right. TMI, that’s what I meant.
"user314" (user314)
06/28/2017 at 11:23, STARS: 1
Aerodynamics is a cruel mistress.