Emu
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Posts posted by Emu
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On 7/13/2022 at 10:22 PM, WelshZeCorgi said:
Are man in the loop weapons still relevant in the age of GBUs? Why would you use them if GBUs and LGBs are plenty?
Very, not all airspace is sanitised, and firing missiles from altitude is therefore dangerous. If a third party can lase the targets or pass co-ordinates, either from cover or via a disposable drone, then the missile can be fired from low altitude and go up and over.
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With 3rd party lasing for this missile, does the missile have to see the target prior to launch, or can it be lofted?
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Meteor isn't technically a ramjet, it's a throttleable, ducted rocket, or CWDE (Continuous Wave Detonation Engine). The propellant is solid and contains some oxygen but not enough for complete detonation, it is pre-burnt to form a throttleable plasma, which is then injected into the ram system where it detonates in conjunction with the hot air.
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19 hours ago, Dagger71 said:
Ok I am going to bow out of this conversation because it is clearly becoming nonsensical.
There is nothing magical about IFF transmissions. I never made this statement. They are however NOT RF frequencies that any current RWR are designed to pick up. If I tune my radio to 104 MHz, it will NOT be able to pick up any other frequency. My radio cannot pickup anything other that frequencies on the AM and FM frequency bands.
There really is nothing left to say on this topic. It's been answered several times.IFF is 1-2GHz which is L Band. RWR needs to cover down to VHF, since one of the S-400 radars uses this band.
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On 1/24/2021 at 5:38 PM, Dagger71 said:
So the answer is no. But I find it absolutely fascinating that the forum on your link posted the exact same question just two days before you posted this.
We can close this thread.I asked the question because I knew he worked in that area as his CV suggests. But believe whatever you want, if you want to believe that there's something magical about IFF RF transmissions that make them completely invisible to all RF band detectors that's up to you.
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20 hours ago, Dagger71 said:
Again NOTHING to do with IFF interrogation. To quote the article: "modern RWR systems (such as ALR-94 , ASQ-239 , Spectra) are capable of classifying the source of the radar by the signal’s strength, phase and waveform type, and even capable of pinpointing the exact location of a ground threat. "
So I will ask you again for proof that any RWR picks up IFF interrogation. Not hypotheticals, not theoreticals, not guesses,PROOF.I don't understand your question. IFF is just a radio wave transmission, so what would prevent this system working in the general sense? I always said that whether a specific ESM system could pick up a specific IFF was down to the specifics of each system, which are usually unknown.
Okay, in terms of proof, this is as close as you will likely get on an internet forum.
https://www.strategicfront.org/forums/members/picdelamirand-oil.23/#about
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On 1/3/2021 at 12:20 PM, Dagger71 said:
I've already said I am sure there are some EW aircraft that do pickup all sorts of RF signals,possibly even IFF interogations from non nato planes.
The question was do NATO RWR pick up and triangulate these signals. answer is no.Phase interferometry is the method SPECTRA uses but there are other methods with varying levels of accuracy. Phase interferometry uses the phase different between the wave hitting adjacent elements of the array to geolocate the source.
https://basicsaboutaerodynamicsandavionics.wordpress.com/2016/03/02/rwresm-and-passive-geolocation/
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On 1/1/2021 at 9:36 PM, Dagger71 said:
Absolute BS! AN/ALR-67 (In the Harrier) nor the AN/APG-73 in most other NATO planes in DCS do no such thing. .
It is completely irrelevant even if in 2021 the military has installed a system to identify and triangulate non NATO military IFF. Why? because none of these systems are in any plane we currently have in DCS.
But I seriously doubt this is the case, so the ball is in YOUR court, to PROVE it exists, not just by your "hunch". Provide the RWR model that does what Daniel is asking about. What NATO RWR identifies and traingulates non-nato IFF interrogations.
This is nothing more than a wish list of imaginary systems.I'm talking about real life not DCS. This is the Reality section.
DASS and SPECTRA can pick up RF signals beyond normal radar frequencies, whether they can pick up a given IFF is anyone's guess but it's theoretically possible, I would imagine the F-35 system can do the same.
Could you tell me why you think it isn't possible?
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On 12/31/2020 at 7:29 AM, Dagger71 said:
Still has nothing to do with RWR picking up anything other than radar. It does not pick up IFF interrogation. Fighter/attack jets do not monitor freqs to monitor radio emission from hostiles. That falls under Electronic warfare.
Modern RWRs aren't really RWRs they're ESMs, they do pick up more than radar and have several methods of geolocation, the best being phase interferometry. Whether they could pick up a given IFF depends on the sophistication of that system and how well it hides in the background noise.
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Combat Tree could do it back in the Vietnam War, so I'd be very surprised if newer systems can't.
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I read somewhere there could be a possiblity that fighter pilots take medication. For inhanced performance, more alert, no need to go pee...stuff like that.
I wondered if thats true. Or remember the myth that fighter pilots got spinal tapped to check for ACID/LSD use. That was debunked simply because that operation is so expensive. I mean Fighter Pilots are the top 1% of the Elite. But a surgery is dangerous. I guess at some point, maybe in the 1940's era. A fighter pilot did use ACID, if even existed back then. But, appaerently, you can get messed up flying a plane. If you used LSD. I highly doubt that, but its documented.
What about increased g-tolerance like on The Expanse?
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I have to say it's nice to see these birds so active again.
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Someone's backside is going to be in a sling after they're through with the disciplinary procedures.
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[YT TAGS]"Bit after '=' sign"[/ YT TAGS]
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LIVEFIST Talks To Air Marshal Raghu Nambiar.
"I flew the Rafale". "It could cruise in supercruise with one drop tank and 4 missiles at 1.4 Mach" 18:05 / 48:04
Fixed.
Military and Aviation News Thread (NO DISCUSSION)
in Military and Aviation
Posted · Edited by Emu
https://aviationweek.com/defense-space/aircraft-propulsion/digital-twin-helps-pratt-expand-f119-performance-f-22
Pratt & Whitney rescheduled the digital electronic engine control in the F119 to unlock more kinematic performance after discovering that parts in the turbine were more robust than expected.