TACIT BLUE BSAX - Denny Jarvi (Part 2)

10 Percent True - Tales from the Cockpit

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TACIT BLUE programme director, Denny Jarvi, reflects on the time he spent working on the top secret programme.
10PCT #24: Dennis Jarvi, Part 2.
00:00:00 Introduction
00:01:46 By-Name Request into TACIT BLUE
00:04:31 Entering the Black World
00:06:53 TACIT BLUE Origins
00:15:11 Compartmentalisation
00:18:39 TACIT BLUE Challenges
00:20:51 Radar Cross Section
00:22:30 Initial Impressions
00:24:37 Who operated TACIT BLUE?
00:27:08 Executive Sponsors
00:30:35 Visual Spectrum Challenges
00:34:03 LPI Radar and Ground Target
00:38:25 IR Signature Control
00:40:24 Acoustic Signature
00:42:17 Key Challenges
00:46:03 Follow On Plans
00:46:45 Cancellation of TACIT BLUE
00:52:09 TACIT BLUE Cover Story
00:56:28 Final Reflections
01:03:17 AMAs

Опубликовано:

9 июл 2024

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Комментарии : 72

@FloridaManMatty 6 месяцев назад

One of my most prized possessions is a photo I got in August 2018 of me booping BSAX’s nose. The idea that I could touch an airplane that could have landed me in a Supermax just for seeing 25 years before is bananas.

@Francoismag1 2 года назад

This one hour felt like 5 minutes ! Very interesting subject and interview about this very unique aircraft Your channel is just awesome

@bertjilk3456 2 года назад

High quality aviation information with no ads. I’ve just found RU-vid heaven! Thanks very much, subscribed.

@paulloveless4122 Год назад

Having spent dozens of hours at WPAFB Museum I can say that Tacit Blu is one of the strangest airplanes I've ever seen. It's made out of what feels like ABS plastic and you can grab the front of the chine and it will compress like a cheap toy. It's so strange.

@terrancemccaffrey9954 2 года назад

Another historically important interview. Many have heard of TACIT BLUE, but this is actually the first time I saw a picture of it! There is a Northrup family resemblance in the cockpit area to the B-2. Thanks, as always, for giving us this kind of amazing insight Steve!

@10percenttrue 2 года назад

Thanks, Marco. I will make sure that Denny knows how much everyone has appreciated him giving up his time to share his experiences.

@rsuminsby 2 года назад

You can see the actual airplane at the National Museum of the AF at Wright Pat.

@FloridaManMatty 6 месяцев назад

If you ever get to see Tacit Blue in person, turn around 180° and look at the YF-23. Then go look at the B-2. The family lineage is undeniable.

@ngfan7476 2 года назад

Great as always, Steve! Great info on Tacit Blue and Denny's recollections and his experiences with the program. Now we need somebody talking about the Bird of Prey...

@rsuminsby 2 года назад

I know a guy... 😎

@larrybloxham 2 года назад

Important R&D. Thanks Denny Jarvi for the open information.

@lexioncombine9403 2 года назад

To watch it fly, you'd never think it was difficult to control.

@jacknab5171 2 года назад

As always, i find these very informative. Thanks so much for these great stories!

@anthonymaddison9588 Год назад

Heroes.

@tsechejak7598 Год назад

Radar energy “flow” was a spooky EM quality tested on tacit blue and utilized on the B-2. This technique is not just skipping radar energy off at extreme angles away from radar receiver but actually have the radar energy flow to a degree around prior to skipping off. This is info given by a designer in thr B-2 and Tacit blue programs they gave in a book. I apologize I can’t remember the engineers name. They mentioned the inspiration came to them while sitting around waiting for family at Disneyland

@Jam_Gordon 2 года назад

Another excellent interview ^^ This is a jet that just doesn't seem to get enough attention (somewhat understable of course given the classification), thanks for giving us this.

@robert375cheytac8 Год назад

Regarding IR - he mentioned coating the airframe to keep it cool. The reason the ATF3 engine was selected was due to the low IR signature experienced with the compass cope. The engine exhaust exits at its mid section through 8 equally spaced cascades about the engine’s circumference (the first “mixer nozzle”). The same power plants were used on the CG Falcon, and as an off-the-cuff experiment an F16 came up behind one and was unable to get a lock.

@PaulStewartAviation 11 месяцев назад

how was the exhaust cooled? Was it mixed with cold by-pass air like the B-2?

@lrw3984 2 года назад

excellent yet again!

@rupertdabear3148 Год назад

Amazing content,thanks.

@rsuminsby 2 года назад

I’d heard of Tacit Blue, and seen it at the National Museum of the AF. What surprised me in this interview was that it actually had a low-probability-of-intercept (LPI) radar installed. I had assumed it was just built to demonstrate the signature reduction. That work on LPI radar probably had a lot to do with the eventual B-2 radar.

@rsuminsby 2 года назад

For those interested in this topic, I recommend the book “Stealth” by Peter Westwick.

@10percenttrue 2 года назад

I've heard good things about this book, Rob.

@JoshuaC923 2 года назад

Came here from jive turkey🙋🏻‍♂️

@10percenttrue 2 года назад

Welcome!

@sashadiakow7609 2 года назад

Really great interview as usual. Enjoy the depth and detail of the interviews.

@sedlo 2 года назад

What a fascinating interview! It is such an honour to hear Mr. Jarvi’s stories of this amazing program. 10/10!

@user-os6ch5pt7w 11 месяцев назад

Hey, Steve. Long time listener/watcher, and I have to say you find interesting guests on programs that many overlook, or know nothing about. Do you happen to have part I of the interview?

@10percenttrue 11 месяцев назад

Thanks for tuning in! Part 1 of the Denny Jarvi series here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FcCJqCcZ3Fc.html

@vote1barkerblairbarker227 2 года назад

awesome interview, important history and nice to see TWZ gave this marvellous I/V a big plug

@10percenttrue 2 года назад

Thank you!

@0MoTheG 2 года назад

The IR shielding V-tail looks like a radar reflector. I wonder how that worked? Glass fiber and the actuators inside the metal frame?

@KrisRamJ 2 года назад

Fascinating stuff, I'm sure lessons from Tacit Blue are still being applied over at Palmdale today

@lexioncombine9403 2 года назад

Palmdale is Lockheed.

@KrisRamJ 2 года назад

@@lexioncombine9403 It's also where Northrop Grumman are making the B-21 Raider

@lexioncombine9403 2 года назад

@@KrisRamJ Plant 42 is an A.F facility, if that's what you are referencing.

@KrisRamJ 2 года назад

@@lexioncombine9403 Yes indeed, the government owned/contractor operated Northrop Grumman facility at Plant 42, Palmdale

@lexioncombine9403 2 года назад

@@KrisRamJ Plant 42 is in Antelope Valley, which is NEAR Palmdale.

@tsechejak7598 Год назад

F-117 had a larger radar cross section then the B-2. The F-117 cross section “speculatively” is the size of bat guano let alone the size of a bat, if it has great upkeep on surfaces prior to test

@lubtp7133 2 года назад

Great interview. Got referred here from Sub Brief and am looking forward to watching your other videos.

@10percenttrue 2 года назад

Thanks for dropping by and for kind words!

@ScienceAppliedForGood 2 года назад

It was a very interesting talk. Thanks for making this video.

@10percenttrue 2 года назад

My pleasure. Thanks for the comment!

@chrisjones2149 2 года назад

Fascinating interview, thanks for sharing!

@10percenttrue 2 года назад

Glad you enjoyed it, Chris.

@unclebob6728 2 года назад

Thank You!

@10percenttrue 2 года назад

Welcome!

@Jimbo898 11 месяцев назад

Pretty sure my dad knew this guy.

@ronjon7942 Год назад

Oh wow, u tripped on a goldmine here. In one swoop you practically stubbed on a book opportunity .

@0MoTheG 2 года назад

The aircraft does not look unstable from a CoG standpoint. My guess is that the sharp lip at the front is the issue. When they made the nose of the F-5 longer they had the issue that the lift it generated at AoA became too high. The drag and lift of the lip will likely flip the aircraft if some critical angle is reached.

@10percenttrue 2 года назад

Sounds like a reasonable analysis. I'll ask Denny whether he can expound on the matter and post his response here (assuming he has one).

@0MoTheG 2 года назад

@@10percenttrue We can eliminate any other reason than those related to the LO shape. There is nothing else in the front that could cause aerodynamic force. Too flat and wide a belly would also be an issue, but aside from the lip that doesn't seem to be the case. The lip is similar to that of the edge of the B-2 in that it is asymmetrical and not blunt. Any sharp leading edge will have a strong increase in low pressure, lift, drag locally with any AoA resulting in positive feedback.

@Xoferif 2 года назад

It may be just me, but as I look at the Tacit Blue aircraft I can see a faint glimmer of the YF-23...

@10percenttrue 2 года назад

Yeah, there was certainly technology transfer to the YF-23. I also understand that the RQ-170 certainly owes much to TB. And let's not forget the B-2 - the classified portions of TB that Denny referred to have found their way onto that platform...

@stuntmanmike37 2 года назад

Sorry if I missed it, but, did Denny mention how the pilot actually got into the airplane? I've been staring at pictures of this thing for years and can't figure out if it had a side door, a belly hatch with a ladder or an overhead hatch above the cockpit? Do you know or have a source for that info? Great interview, btw. Thanks.

@10percenttrue 2 года назад

Michael, there is an entry hatch on the starboard underside at the front. You can get a sense of where it is from this: www.nmusafvirtualtour.com/cockpits/RD_tour/RD-5.html

@mhamma6560 2 года назад

Speaking of radar -- The B2's radar had to get changed out because the FCC sold its frequency block.....

@10percenttrue 2 года назад

Madness.

@LRRPFco52 2 года назад

FCC, EPA, FDA, OSHA, and even multiple offices within DoD were penetrated or even created by the Soviets as part of their aggressive active measures programs.

@craftpaint1644 2 года назад

I immediately told my son to change his Xbox player name to "Wobbly Goblin"

@10percenttrue 2 года назад

I hope he did it!

@LRRPFco52 2 года назад

F-117A pilots said it was actually very stable, very honest. Handled much like an F-4 without burner according to one pilot who flew Phantoms before going into -117.

@bushgreen260 2 года назад

*The classifed aircraft he said he asked to be declassified but was told they will never be declassified, is it because they are using technologies and propulsions that is still not public knowledge?*

@10percenttrue 2 года назад

He said “programmes”, which could mean technology instead of aircraft. Best bet is that the programmes led to the development of capabilities for the B-2…

@LRRPFco52 2 года назад

We used to see a large silent aircraft flying in the pattern into Plant 42 on a fairly regular basis, only at night. It had nav lights, but literally made no discernable noise. This was in the late 1980s, 1987-1988 specifically. We would be in the jacuzzi out back next to our pool.

@LRRPFco52 2 года назад

There are things within the USAP world that have come and gone and died with the people who worked on them. That dates back even to the early 1900s. Look at the history of RADAR and what it was initially experimenting with.

@bushgreen260 2 года назад

@@LRRPFco52 interesting

@LRRPFco52 2 года назад

B-2 prototype AV-2 has a "tail" code of 82-0167. There were 6x B-2 prototypes. AV-1 was converted into a B-2A Block 10. The 2 digit prefix indicates the year production started for the airframe, not the delivery year. The aircraft we were used to seeing were the size of the B-2, but we couldn't hear anything.