SR-71 J58 Engine Tour




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Did this video help you?

GIANNHSPEIRAIAS: russians tried that bypass system too and gained massive amount of thrust and it was still inferior to j58 why they do say that they gained a little bit from a turboramjet engine basicly?

MsCordially: oh crap ! what's that orange thing hanging from the rOOf !!?!

Magnus Andersen: No flame holders in the afterburner, how do they prevent flameout ? anyone ?

Sterlingjob: Concorde could fly at mach 2 without afterburner!

marc fitzhenry: The Blackbird is over rated naturally. Scram Jet is a great design, except the friction created damages even the toughest materials cannot sustain. The solution? Stop creating aircraft to fly faster than Mach 4. Leave all Mach 4 flying to unmanned craft not designed to return in one piece. The Russians were already aware of this and excepted it for decades until the sr-71 was finally decommissioned.

DEEREMEYER1: I've got two of those in my go-kart. It's pretty fast.

Don G.: PLEASE DON'T FORGET BEN R. RICH! IF IT WASN'T FOR THIS SKUNK WORKS ENGINEER, JOHNSON COULD NOT MAKE THIS BIRD FLY. HE IS THE ONE THAT INVENTED THE MOVING SPIKES SO THE ENGINE COULD INJEST THE MASSIVE AMOUNT OF RAM AIR. FROM THE BOOK "SKUNK WORKS" THAT I PURCHASED AT LOCKHEED IN PALMDALE, CA. 

Jim Thompson: Very interesting!!

newcoyote: If you want to learn more about gas turbine/jet engines, check out AgentJayZ here on YT. He explains the systems and function jets and industrial gas turbines very well. Before watching his videos, I thought I knew a lot about jets. I was wrong. Excellent source if you're into this kind of thing. Just started with this channel. Also looks very good so far. 

Haider A: What an amazing insight. Thank you. 

Paulo Feitosa: Thanks, uploader. I have several of his books, when was this?

jjohnston94: Thanks for putting up all the distracting "subscribe" links every few seconds.

N1H1L9: I really thought those by-pass tubes provided a lot more thrust than this guy seems to think. It's such a neat idea for switching from turbo to ram-jet power, I don't know why it isn't more commonly used- apart from the difficulty of building planes that can function at the speeds it would enable of course.

deadboy600: Two of these puppies sucked up 36,000-44,000Lbs. of go juice per hour! 5-6 pounds each per second!! Hard to comprehend.

jared lewis: Aliens

DR NADINE STAUEFENBIEL: A simple engine kelly got the design of the craft from me.

HybridTheorykid1: As amazing as this thing is - It amazes me to think that they had this technology back in the 60's! Yet- It still remains unbeaten, 50 years on. Hats off to Lockheed Martin and Skunk works. I've been in love with this plane since I was around 12, and I'm 32 now. I saw one of these parked up in NYC.. What was it, USS Intrepid. I will NEVER forget that moment.

Michael Millson: mr fitzhenry that is a crappy attitude how fast do you think wed have to go to build a plane that could renter and leave an atmosphere of another world this isn't just a chess set that's why they chose the united states to be the stick in the yard

Greg Kundtz: thanks! a great help for a project i'm doing about compressible flow

wkeil1981: How do you start this?

Thema inproblem: Great video! Thanks for uploading it for us. 

Ravi Krishna: plane engines - design - people who made it are all legends. I learned a lot in just 4 mins today 

Sphere723: These 6 bypass tubes on the J58 are not actually the main bypass used for the ramjet as some people seem to think. The main bypass is built into the nacelle itself and sends air completely around the outside of the J58. The ramjet air is not just skipping a stage in within the J58, it skips the J58 entirely and collects/exhausts behind the J58. It is hard to show that when the J58 has been removed from the nacelle, but that is what Rich means when he says this engine is only supply 20% of the thrust at mach 3. The other 80% is coming from the ramjet "engine" which is the nacelle itself.

TotenKopf42: After watching this and other SR-71 videos - My first thought was - I think I am in love :))) Unreal plane - real shame he "had to go" (retirement). As for dislikes - those people are definitely not USSR descendants - how can they be if at least 80% of this plane has been made from materials illegally acquired by CIA from USSR :)

Chan Calvin: Great explanatory! 

euplot: Thaks a lot for all this nice videos! 

David Govett: It's always disappointing when magic is explained.

John Doe: How can you dislike this? 3 people are descendants of the Soviet Union 

Filip Talpa: SR-71 J58 Engine Tour

Eric jones: This guy is a pilot so i will give him a break. Those bypass tubes are to bypass the engine so it can go 'ramjet mode'. Simple. 

Infidel Atheist: Nice tube bending

Federico Melotti: .

Jonathan Langdale: .

Terry Floyd: SR-71 J58 Engine Tour

Eric jones: Needs to explain Ramjets. not the best explanation but decent.

Julie AV: I was told once, during a visit to Beal, that the turbine engine had to keep running during the ramjet phase just so it wouldn't get ripped off it's mountings and shot out the tailpipe. Don't quite believe it but I want to.

Peter Senna Tschudin: How many energy does it need to fly at mach 3.2? It depends on how smart you use the shock waves...

Андрей Рогачёв: SR-71 J58 Engine Tour

Atomsk12: Didn't they make the inlet electronic or something, so that it was automatically regulated and help solve some of the unstarts? I think that's how I heard it on a documentary about the SR-71 once.

basimpsn: How the hell they know to re-used the Shockwave energy as a secondary engine. more like a RAMJET lol?

Randy White: The kelly Johnson is the best

Corrie Bergeron: He leaves out a bit that needs knowledge of the gas laws from Chem & Phys. In a shock wave the air decelerates from supersonic to subsonic. Per Bernoulli, high-speed air (the free-stream) has much lower pressure than than the low-speed air that's hit the inlet spike and its shock wave, and (thanks to the spike moving) is INSIDE the inlet. That pressure pushes against the airframe in all directions. Aft, it goes into the turbine and bybass tubes. Radially, it balances. Forward, THRUST!

sam phi: The good ol' groidbird!

dsv 83: Awesome, I think Kelly Johnson was a alien imo...

ErikJohnston: Glad you liked it.

hornet8833: Great job col.
Rating:
SR-71 J58 Engine Tour 5 out of 5

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SR-71 J58 Engine Tour