#3557159 - 04/16/12 03:52 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Feb 2012
Posts: 95
CooLDoG
Junior Member
|
Junior Member
Joined: Feb 2012
Posts: 95
|
Asuluk training ground.
Practice target: Radar Reflector
S-75M3 Volkhov
00:00, Practice target Radar Reflector launched
00:02:38, V-760 15D Missile launched on Channel-1 Target distance: 20km Target azimuth: 48° Target elevation: 14° Target altitude: 5km SNR mode: LORO - 75km Missile guidance method: UPR (Half Lead)
00:02:43, V-760 15D Missile launched on Channel-2 Target distance: 20km Target azimuth: 48° Target elevation: 14° Target altitude: 5km SNR mode: LORO - 75km Missile guidance method: T/T (Three Point)
00:02:50, V-760 15D Missile launched on Channel-3 Target distance: 20km Target azimuth: 47° Target elevation: 14° Target altitude: 5km SNR mode: LORO - 75km Missile guidance method: UPR (Half Lead)
00:03:09, Missile exploded on Channel-1 Practice target Radar Reflector killed by nuclear blast. (distance from epicenter: 0m)
00:03:22, Missile exploded on Channel-3
Total, SNR On Air Time: 2min 53sec I feel sorry for the radar reflector. But an interesting thing about this shooting is that the nuclear blast actually took out my second missile! Also, just playing around: The missile exploded and I head a big bang. However, I wasn't taken out! I then dialed the range bore-sight down to as low as it can go, and I heard an explosion, but I wasn't taken out. Probably just the beta version.
|
|
#3557162 - 04/16/12 03:58 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Feb 2012
Posts: 95
CooLDoG
Junior Member
|
Junior Member
Joined: Feb 2012
Posts: 95
|
This deserves a double post! 13:45 19th of December, 1972. SR-71 bomb damage assessment flight number one.
S-75M3 Volkhov
00:01:37, V-760 15D Missile launched on Channel-1 Target distance: 90km Target azimuth: 176° Target elevation: 15° Target altitude: 24km SNR mode: Wide Beam - 150km Missile guidance method: T/T (Three Point)
00:01:52, V-760 15D Missile launched on Channel-2 Target distance: 90km Target azimuth: 173° Target elevation: 17° Target altitude: 27.8km SNR mode: Wide Beam - 75km Missile guidance method: T/T (Three Point)
00:02:04, V-760 15D Missile launched on Channel-3 Target distance: 81km Target azimuth: 169° Target elevation: 20° Target altitude: 28.9km SNR mode: Wide Beam - 150km Missile guidance method: UPR (Half Lead)
00:02:37, Missile exploded on Channel-1 SR-71 Habu killed by nuclear blast. (distance from epicenter: 1404m)
00:02:46, Missile exploded on Channel-2 SR-71 Habu killed by nuclear blast. (distance from epicenter: 62m)
Total, SNR On Air Time: 2min 30sec
First time I have seen the words, Habu killed on my screen.
|
|
#3557165 - 04/16/12 04:06 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Dec 2009
Posts: 2,665
Hpasp
Senior Member
|
Senior Member
Joined: Dec 2009
Posts: 2,665
Hungary, Europe
|
1, Congratulation for the OPF shot! (In reality it was never achieved) Must have reading for the insights... http://narod.ru/disk/11803446001/%D0%BB%D0%B8%D0%B2%D0%B8%D1%8F%2086.djvu.html 2, Vega missile is accelerating over Mach6 at high altitude, where the MiG-25 can achieve Mach3 only. Vega missile is accelerating over Mach3 at low altitude, where the MiG-25 can achieve bit over Mach1 only. Nose overheat was a big real issue during development, and several test shots was failed due the nosecone faliure. Please observe, that overheat caused by air friction is much higher at low altitude. 3, The missile exploded and I head a big bang. However, I wasn't taken out! I then dialed the range bore-sight down to as low as it can go, and I heard an explosion, but I wasn't taken out. Probably just the beta version.Nuclear explosion will take out your SAM missiles also. You can alwasy hear the BIG Nuclear BANG, just wait for its sound to arrive... ... our missiles are travelling with Mach2~3, while the BANG never achieves more than Mach1. To hear a Nuclear Detonation at 25km, you need to wait more than a minute after the explosion... 4, Launching 3 V-760 missile against one SR71 is a real overkill. I should add nuclear radiation exposure calculation for your site after nukeig half Vietnam...
Last edited by Hpasp; 04/16/12 04:25 PM.
|
|
#3557207 - 04/16/12 04:49 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Oct 2008
Posts: 3,340
Lieste
Senior Member
|
Senior Member
Joined: Oct 2008
Posts: 3,340
|
Being a sound wave, it does of course travel at the speed of sound... however, the local pressure is so much higher at short distances that close the the detonation the velocity is somewhat higher than the nominal maximum of 340.5 m/s - this influence rapidly falls away as the pressure reduces with the cube of distance, and for all practical purposes the 'normal rule' applies for longer distances. This is true of all explosions, but the difference is only significant for larger events where the really high pressure extends for more than a trivial distance. Overall, I'd be surprised if it was more than 1 second earlier for any practical device, but just nitpicking the 'never more than Mach 1' For example, a 6kt warhead's blast wave will reach 610m in the first second. BLAST.EXE (a 'certified' Dos based blast effects calculator for nuclear weapons effects)
|
|
#3557296 - 04/16/12 07:20 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Sep 2011
Posts: 2,010
piston79
Member
|
Member
Joined: Sep 2011
Posts: 2,010
|
I didn't understand - is nuclear fireball simulated on the screen? the only thing I saw is that target and missiles disappeared?
2, Vega missile is accelerating over Mach6 at high altitude, where the MiG-25 can achieve Mach3 only. Vega missile is accelerating over Mach3 at low altitude, where the MiG-25 can achieve bit over Mach1 only.
That's why she is 3 Mach, not 6 Mach, right? I believe that below 80 km range (Program 1), much more effect has the curvative efect of the ground. Looking at the pictures about Libya, seems they tossed those HARM's from about 55 km, after quick climb to increase his range...
|
|
#3557297 - 04/16/12 07:23 PM
Re: SAM Simulator
[Re: piston79]
|
Joined: Dec 2009
Posts: 2,665
Hpasp
Senior Member
|
Senior Member
Joined: Dec 2009
Posts: 2,665
Hungary, Europe
|
I didn't understand - is nuclear fireball simulated on the screen? the only thing I saw is that target and missiles disappeared?
2, Vega missile is accelerating over Mach6 at high altitude, where the MiG-25 can achieve Mach3 only. Vega missile is accelerating over Mach3 at low altitude, where the MiG-25 can achieve bit over Mach1 only.
That's why she is 3 Mach, not 6 Mach, right? I believe that below 80 km range (Program 1), much more effect has the curvative efect of the ground. Looking at the pictures about Libya, seems they tossed those HARM's from about 55 km, after quick climb to increase his range... Please check... Chapter X — Radio and Radar Effects Effects on Radio and Radar Signals 479 http://www.fourmilab.ch/etexts/www/effects/eonw_10.pdf#zoom=100Nuclear fireball is opaque for radar.
|
|
#3557328 - 04/16/12 08:15 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Sep 2011
Posts: 2,010
piston79
Member
|
Member
Joined: Sep 2011
Posts: 2,010
|
o·paque (-pk) adj. 1. a. Impenetrable by light; neither transparent nor translucent. b. Not reflecting light; having no luster: an opaque finish. 2. Impenetrable by a form of radiant energy other than visible light: a chemical solution opaque to x-rays. 3. a. So obscure as to be unintelligible: "opaque, elusive, minimal meanings" (John Simon). b. Obtuse of mind; dense. See Synonyms at dark. n. Something that is opaque, especially an opaque pigment used to darken parts of a photographic print or negative So, which is appropriate for the S-75M's transmition? Is it 1."Impenetrable" or 2."Not reflecting"? P.S. I am not fluent in english, so a bit easier explanation could be better for me...
Last edited by piston79; 04/16/12 08:17 PM. Reason: P.S.
|
|
#3557363 - 04/16/12 09:12 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Sep 2011
Posts: 120
montieris
Member
|
Member
Joined: Sep 2011
Posts: 120
baltics
|
quite interesting pdf above; about opaque; as i understood radar waves are absorbed in that area - not reflecting. its kinda void/black hole for radars. edit; is this effect also related to plasma stealth? 10.116 A large amount of attenuation by absorption occurs when the propagation path traverses a fireball. The attenuation is determined by the properties of the fireball and these are strongly dependent on altitude. In general, it can be said that fireballs will be opaque to radar signals operating at frequencies of 10 gigahertz (104 megahertz) and below, for periods of tens of seconds to a few minutes.
not sure i understood this one; is this simulated / affect volhov radar? 10.120 The fireball and the charged particles in the tube enclosed by the geornagnetic field lines (§ 10.65) may reflect or scatter radar waves, thus producing spurious signals which may be confused with target return signals. This effect, known as "clutter," may occur by reflection frorn rapidly changing gradients of electron density or as backscatter frorn irregular patches of ionization or frorn particulate scatter thrown into the air when a fireball touches the surface. Clutter returns rnay be so intense as to affect radars in the same way that terrain features sometimes cause difficulties by reflecting energy back to the receiver thereby masking weak targets.
|
|
#3558157 - 04/18/12 04:59 AM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Mar 2007
Posts: 210
NaiseFail
Member
|
Member
Joined: Mar 2007
Posts: 210
Virginia
|
Very nice updates. I'm really enjoying the 3D AAR feature! For whoever asked how to launch a nuke: 1. Locate the fuse selector switch and rotate it all the way to the right. 2. Select one of the two rightmost guidance methods. After that you're able to launch. Anyway, the SIM proves to me that any claims from Libians (and some russian sources) that NAVY losts F-14 in those engagements, are just propaganda.... Looks like a duck shoot to me. 13:46 24th of March, 1986. Operation Prairie Fire S-200VE Vega-E 00:04:37, Missile launched from launcher-1 Target distance: 85km Target azimuth: 12° Target elevation: 2° Target angular speed: 275m/s (0.9 Mach) Target altitude: 4.5km RPC mode: MHI - Narrow Beam GSN mode: Acquire target before launch Received signal strength: 39dB 00:04:46, Missile launched from launcher-2 Target distance: 83km Target azimuth: 12° Target elevation: 2° Target angular speed: 277m/s (0.9 Mach) Target altitude: 4.5km RPC mode: MHI - Narrow Beam GSN mode: Acquire target before launch Received signal strength: 39.2dB 00:05:45, Missile exploded F-14B Tomcat killed by SAM. (miss distance: 3m) Total, SNR On Air Time: 2min 18sec
|
|
#3558477 - 04/18/12 06:34 PM
Re: SAM Simulator
[Re: CooLDoG]
|
Joined: Sep 2011
Posts: 2,010
piston79
Member
|
Member
Joined: Sep 2011
Posts: 2,010
|
This deserves a double post!
[First time I have seen the words, Habu killed on my screen. Volkhov could bring it without nuclear warhead...
|
|
#3558479 - 04/18/12 06:39 PM
Re: SAM Simulator
[Re: Hpasp]
|
Joined: Sep 2011
Posts: 2,010
piston79
Member
|
Member
Joined: Sep 2011
Posts: 2,010
|
|
|
|
|