Top secret lost prototypes of the 1980s

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[@Matthew_Lawless]

If the SR-75 is real, then Virgin Galactic really sucks.

[@MrCateagle]

More like Virgin Galactic is constrained to affordable technology to offer flights at reasonable prices. It is a well-designed pair of vehicles.

[@AnonymousFreakYT]

It isn't real. Edit: I should specify - the *PROJECT* was a real project; but it never led to any actual flying prototypes; the furthest it got was wind tunnel, radar range static targets, and completely non-flyable ground mockups, not even a sub scale flying demonstrator was made.

[@яйцы]

Don't you ever insult Burt Rutan like this

[@999theeagle]

That's Thunderbird 1!

[@Metokraken]

11:48 i thought this was gonna transition into an ad read

[@thekraken1173]

3:37 That is a scramjet not a pulse detonation engine

[@shortspecimen]

I think that diagram is a pde but it looks like a scramjet. I searched it up and the diagram came up for both

[@hvmanara]

If the Aurora prototype is real then the craft is not a viable option in 2024 as the acoustic shockwaves that are emitted from the pulse detonation engine form a unique drive signature that would be easily detected by a sophisticated adversary.

[@thekraken1173]

What is viable besides sattelites then? If they can track pulse detonation engines, they can also track scramjets.

[@spazzey0]

by the same logic every other military aircraft is also unviable. there's a way to detect these things without acoustics ( world war 1 technology ) and it began development in the interwar period, its name is "radar" and it's proven much more efficient. keep in mind loud craft like rockets aren't detected through acoustics either.

[@hvmanara]

@@spazzey0 It is a given that almost all conventional U.S. military aircraft, with a handful of exceptions, are detectable on radar systems that most adversaries already posses. Of course that does not make them unviable. Thats not the point. The point is that the "stealth" features which could have been a major selling point that proved crucial in securing a size-able chunk of taxpayer funds within a congressional defense budget authorization, are in reality completely unnecessary and redundant for this supposed prototype given its acoustic signature and unique exhaust trail. Do taxpayers get a refund when private aerospace and defense contractors fail to deliver a viable working project that costs billions of dollars? And if this project doesn't actually exist, who is held accountable for not doing a cost- benefit analysis and allowing taxpayer money to be wasted on what is essentially vaporware? In an age of surface-to-air hypersonic ballistics, algorithmic neural nets, and automated targeting platforms, whatever advantage this aircraft may have provided on paper in the past has essentially been nullified.

[@afrank1]

Since it would move 5-6 times faster than sound, the sound would not reach sensors on the ground until the aircraft had gone a distance of 5-6 times its altitude. So sound could be used to detect it, but only once it was already gone.

[@BigDaddy-yp4mi]

Sandboxx news proved how the oil worker stated his sighting months after the shape he saw was public.

[@AnonymousFreakYT]

I love the combination Blackbird/Valkyrie look of your renders in black and white.

[@rankoorovic7904]

Nothing beats the crazy prototypes from the 50's and 60's

[@UnitSe7en]

It's not from the 60's.

[@Bourne246]

These are the kind of aircraft i saw in the covers of PopSci and popular mechanics in the 80s or early 90s

[@brinnbelyea]

The Secret Projects Forum is a goldmine of content. Nice to see it on YT. Now do CALF, JAST, JSF.

[@lenowoo]

I remember seeing few of them when Ultraman fight some monster in my area

[@BobGeogeo]

20:40 "...seasoned aircraft observertor..." Say what?

[@zombieshoot4318]

I've seen that type of contrail twice in the early 2000's. Both times I never saw the craft as it was too high but it went from west to east in seconds over South Florida. Horizon to Horizon. No sound either since it was so high. I always assumed it was the newest spy plane in the Air Force inventory. What attracted my attention to the contrail was it's shape with the puffs and the speed in which the contrail developed.

[@rbleisem]

Same here, once above holland, from USA to Russia in terms of direction. One moment, clear sky, next cloud-string-cloud-string-cloud-string-cloud ect ect But before 2000, more 1996 or so. Different school in a different location in the country, so even 1999 is out, on my end.

[@bmobert]

@rbleisem Interesting. So, just taking these two eye-witness accounts at face value, we have a project that flew for at least a decade. I thought it failed more quickly than that.

[@zombieshoot4318]

@@bmobert well I can’t say it was this project. It could have been something else using a similar engine type.

[@bmobert]

@zombieshoot4318 While this is true, it seems likely that anything with a similar engine at that time in the black projects world would be at least related - like SR-71, YF-12 and A-12 were. Though I suspect it more likely to be the same project.

[@americanhat3766]

God I love these old weird prototypes, they always look like something from Kerbal Space Program lmao.

[@capnkit]

I'm gonna pretend I didn't hear you say mach FIFTEEN and just attempt to enjoy the rest of this as pure fictional entertainment in StarTrek mode. 🧐🤓

[@psychodermix]

Apologies if you have already done this but how awesome was the XB70 and TSR.2

[@caiolimacaldas]

I want to see the top secret lost prototypes of the 1990s/2000's/2010's.

[@dextermorgan1]

Bob Lazar claimed he saw a plane take off from area 51 back 8n the day that "Sounded like it was ripping the air apart when it took off" Idk what that was but it sounds pretty cool. 😎

[@joshschneider9766]

imagine if this aircraft were made with 2024 tech omg

[@TairnKA]

I've always believed that after the announced SR-71 retirement, there must be a replacement flying around doing those missions, but if it's a SR-72, 74, 75 or something even more advanced, I don't know, or care, just believing we're keeping eyes on things is reassuring. ;-)

[@anthonyhunt701]

F-“one seventeen”👌🏻😁

[@masterofnone943]

Love your vids, they're incredible 👍🏿. Small suggestion if you'll have it🤭 Can we also please also have dimensions in meters as well for us who use metric system😊. Thanks in advance 😅.

[@egaroadkill8701]

My favorite list item from the Black Budget leak was the "Foam Tungsten Core reaction chamber" Hummm I wonder what that was for?

[@TysonTheGuy]

who's from the live stream?

[@simplyaugis9864]

Me

[@adamhughes392]

Does anyone ever hear load jet noise then nothing fallowed by loud jet noise so on and so on? Ive heard it but never could find a plane, night or day. Its been years since ive heard it. Im from oklahoma.

[@shagwellington]

Nice video but I'm not sure this actually happened. The successor to the SR71 is the SR72. It goes over Mach 6 and is made of carbon, carbon materials that resist heat better than tungsten steel. The SR 72 is plenty capable and can perform any job we need it to. Mach 10 or 15 is not realistic and can't be managed yet .The SR 75 may come in the future but if it exists the U.S. isn't using it yet. The SR 72 can actually attack targets with a variety of ordinance. Hence it's advantage over satellites.

[@Xenomorphine]

You wouldn't have any idea what has or hasn't been flying around. And you certainly won't know what any upcoming SR-72's capabilities or construction would be, either. That's speculative, at best.

[@dextermorgan1]

Yeah, unless you're an Area 51 tech or something, you have no idea what you're talking about. Sorry, but you're talking out of your ass.

[@jaynitrox3783]

Uhm sir what animation you used?

[@psychodermix]

Shows like yours are the worst for me, i just spent a heap of money on this scale model kit. I love building what is kits. I think this was an Italeri kit. The SR 71 is the most beautiful plane ever. Where's the Mig 37 and F19!

[@BigDog34051]

Gotta say I’ve always loved the content, watched almost all of your videos and can’t wait for more

[@jonnyfatboy7563]

very fukn cool 👍

[@JudahCreiglow]

Today the fastest missile only goes mach 5. It can have the chance to destroy the mother plane, but the main spy plane can surpass it by so many. We might have a chance to make it.

[@dextermorgan1]

ICBMs travel over Mach 20.

[@robertkerr4199]

I'm pretty sure those engines worked just fine. The noise would've been the problem. It's a hypersonic V-1, basically...

[@bmobert]

I can see what your saying. I dissagree, however. V-1 and other pulse jets use subsonic burning (deflagratiom) but a pulse detonation wave engine uses supersonic burning (detonation). It may seem like a difference of semantics butnits an engineering nightmare. The only similarity is the pulsation. To which I would argue that Orion Project also pulsed its engines. I doubt anyone would seriously equate the two. 👍

[@thekraken1173]

The noise itself isn’t that really big of a problem. However pulse detonation engines cause supersonic shockwaves, so anyone standing near the engine has a risk of death. Whole runway should be cleared from ground crews for a safe takeoff. Also, pulse detonation engines thrust in pulses. This puts non constant uneven force on the parts. Parts would need to be constantly changed.

[@bmobert]

@thekraken1173 I hadn't understood that, but, yes, if course that would be true. Of course, that assumes you don't use multe-cycle engines. That was one of the touted advantages of a PDE: No other engine cycle required, theoretically. I remember reading about the PDE aircraft for the first time in Wired mag near the millennial turn and being fascinated. After all this time, this is the first I've considered the ground crew.

[@billwill7383]

I had this model as a kid 👍

[@KeatonPerrault-Carriere]

Please explain the north american NAC-60 and drifblim from pokemon

[@iwuvu5940]

This is a good one

[@oppositeofthetruth]

Milwaukee county wisconsin I once seen 2 military jets flying one right behind the other only yards apart from each other higher and faster then I ever seen b4 one night with a red light over where the cockpit would be while the craft seemd triangular in shapped yet at the same time invincible like you could see through it while only making out the outline shape and I only looked up because I've never heard the sound I heard in my life later that night at a bus stop a black triangle craft was slowly flying right over my head almost like hovering at 4 milese per hour if not slower just 15yards over the top of a 2 story building the scary part was that I seen the same red light over the cockpit yet this time is was dead silent not a single sound then it tilted it's body when directly over over me and under each wing tip a softball size white light lit up when right over my slack jaw face and I believe it was the aurora craft only this craft had a 1-2yard long stingray tail at the end of the craft I do not believe it was alien I believe it was human built I kid you not it was so slow that I could've thrown a rock at it and I had a friend with me at the time and till this very day he will claim he never seen a thing even though he was looking right up at it woth me I believe he was just to afraid to admit seeing what he did with fears of the government coming for him

[@emaheiwa8174]

YOLO

[@natas3.14]

Unless you live really hard, & have to be brought back

[@nemoclavon566]

Me

[@scottiusnevious4838]

Massive jets go overhead. They are as loud as thunder and no where to be seen. I really think they are long gone by the time i hear the rockets. I would say it covers espanola to questa in 5 minutes. I wonder what is the limits that physics will allow a human to go?