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The Flame Barrier in 1955
OK, I'm too lazy/disinterested to look this up.
With that in mind, what is the "flame/heat barrier"? Not expecting an answer, but thanks anyway, Dale |
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The Flame Barrier in 1955
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#13
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The Flame Barrier in 1955
Matt wrote: Yeah, but it was the fastest LOOKING plane ever built, even beating the NF-104A on that score. It reminds me of Ernst Udet's remark on first seeing the He-176 rocket plane: "Those aren't wings, those are running boards!". Except for unintentionally discovering roll-coupling, it was considered the biggest flop of the X-planes that actually got built. Sure looked great though. Pat |
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The Flame Barrier in 1955
wrote: This is a new idea. What are lenticular ramjets? I have photos of the X-3 with ramjet tubes on the wingtips, but nothing lenticular. The lenticular ramjet was to be mounted inside of the wing with the whole leading edge incorporating an inlet along its length, combustion occurring inside the wing structure, and the trailing edge forming the exhaust. The Hermes II test missile's upper stage incorporated lenticular ramjets in its wings http://www.designation-systems.net/d.../ssm-a-16.html http://www.designation-systems.net/d...v-a-6(ram).jpg Oddly, if you look at the wing design on the Pan-Am Space Clipper from "2001", it looks like it may have lenticular ramjets incorporated in it also, feeding from multiple inlets on its leading edge that exhausted over the rear top surface of the wing. Pat |
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The Flame Barrier in 1955
Dale Carlson wrote: OK, I'm too lazy/disinterested to look this up. With that in mind, what is the "flame/heat barrier"? Not expecting an answer, but thanks anyway, Aerodynamic heating that occurs at multi-Mach velocities. This was a big bugaboo in the 1950's, when aircraft were pretty much all built out of aluminum and magnesium alloys, but the article does talk about titanium being able to deal with the heat, and the X-15 showed that nickel alloys could also be very useful in this regard in the years after the article was written. Pat |
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The Flame Barrier in 1955
On May 21, 5:09 pm, Pat Flannery wrote:
The lenticular ramjet was to be mounted inside of the wing with the whole leading edge incorporating an inlet along its length, combustion occurring inside the wing structure, and the trailing edge forming the exhaust. Never heard of it. I think. Wasn't there an idea about an externally- ignited ramjet? The Hermes II test missile's upper stage incorporated lenticular ramjets in its wings http://www.designation-systems.net/d...v-a-6(ram).jpg Thanks. In my wanderings through old NASA papers, I've seen that shape -- the big wing and cruciform tail -- in some drawings, but I never paid any attention to any of that. Oddly, if you look at the wing design on the Pan-Am Space Clipper from "2001", it looks like it may have lenticular ramjets incorporated in it also, feeding from multiple inlets on its leading edge that exhausted over the rear top surface of the wing. I noticed that "step" in the Space Clipper wing when I built the model. I never thought it might be anything more than a quirk of the Aurora kit, or at most maybe just a simple wing. Mike |
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