#11
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So, we have a remove-before-flight bucket designed to catch some sort of fluid which might overflow during roll-to-pad? That makes sense. As for Kourou, perhaps the fluid in question isn't added when they roll out. They have a tower for vertical payload mate in Kourou, so maybe they add whatever it is after going vertical - so no need to catch slop during roll?
I suppose another option is something needed for the cold of Russia or Kazakhstan vs. the heat of the jungle. Any photos of a roll-out in Russia or Kazakhstan without buckets? And if so, was it summer or winter? |
#12
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Some of the buckets are mounted high, others low on the boosters. The high ones wouldn't be too good at catching fluids. That's why I'm intrigued. For fluids that come out during transition to vertical, you'd think they would just have cans sitting on the ground to attach the hoses to.
I've always assumed they transported the boosters empty. They don't need pressurization to stay together so it shouldn't be any residuals from the main tanks. If you've seen the depleted boosters after they crash land back on earth, they are still in remarkably good condition. Could there be a subsystem that has something that boils off and needs a catch can like some folks do with vapors coming out of engine valve covers? The hoses terminate into a blanket covered area of the booster.
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#13
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Yes, and the verniers only gimbal on one axis. From the images, it looks like they pivot near or below their CG like a see-saw instead of being anchored at the "top" like most of our engines. The US program's most famous (easily visible) verniers were on the Atlas, but also on the Thor. They were used to control roll because the main engine could only control pitch and yaw. The Soyuz verniers control everything.
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#14
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I've got it! I've got it!
The buckets! ...are "pail" riders!
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#15
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But seriously, I like my F.O.D. collection buckets theory. At McDonnell/Douglass (now Boeing) in Berkeley, MO I would see them everywhere a wing or a pylon was being assembled or repaired. Foreign Object Debris can be a death sentence for a pilot and a career ender for an assembler--so they're very serious about keeping track of it.
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Never trust an atom. They make up everything. 4 out of 3 people struggle with math. Chemically, alcohol IS a solution. NAR# 94042 SAM# 0078 Last edited by jeffyjeep : 04-09-2021 at 01:17 PM. |
#16
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By definition, the verniers are hinged (2D motion) not gimbaled (3D motion). |
#17
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The buckets are actually mounted in the exact same spot on each strap-on booster - just oriented so the attached hose or electrical cord is pointed "up." If it were electrical, you probably wouldn't bother pointing it in a particular direction (electrons don't care), which is why I still think it is somehow related to fluids. Wish I could see where that hose terminates! |
#18
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I did say pivot, so forgive me. However, I blame it all on George. He said it first.
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#19
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They go into the component that has the silver blanket material on it. Whatever that component is, there is more than one on each booster, but only one has the bucket/hose attachment. I found it without the blanket. I still don't have a clue. I'll search for a more detailed shot. http://www.collectspace.com/news/ne...0th-livery.html And this shot has a bucket on the core booster. https://upload.wikimedia.org/wikipe...ster_rocket.jpg
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#20
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Ah - so there IS one on the core - just not visible in that first photo!
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