Magot Posted September 29, 2018 Posted September 29, 2018 This random noise coming from the rotating antenna would be a nice immersive addition. It's not random. It may be a cloud response or something particles in air ..
Bogey Jammer Posted September 30, 2018 Posted September 30, 2018 Isn't it a constantly spinning radar antenna ? It looks like a power switching noise to me… I'll buy : МиГ-23МЛД & МЛА МиГ-27К МиГ-25 Mirage III F-4E any IJ plane 1950' Korea Dynamic campaign module
Beamscanner Posted October 3, 2018 Posted October 3, 2018 (edited) #1 Are the search antenna's #16 Is the STT antenna MIG-17PF Manual Courtesy of the CIA [Declassified] https://www.cia.gov/library/readingroom/docs/CIA-RDP81-01043R004000110001-0.pdf I'm very interested to see how well RAZBAM can pull off an analog pulse only radar. A proper simulation should have accurate ground, cloud, and chaff clutter as well as target size/intensity variation due to target RCS and aspect.. Edited October 3, 2018 by Beamscanner
Zeus67 Posted October 3, 2018 Posted October 3, 2018 That image is the CRT refresh rate that is being seen. Something like this: "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." "The three most dangerous things in the world are a programmer with a soldering iron, a hardware type with a program patch and a user with an idea."
Beamscanner Posted October 3, 2018 Posted October 3, 2018 (edited) That image is the CRT refresh rate that is being seen. Something like this: Yes, indeed. But this only furthers the point that the screen is riddled with radar clutter. A clean screen (no radar clutter) wouldn't brighten up because of a shutter. The camera's shutter can only hide light, not add to it. The RP-5 radar scope is not a clean screen display. Even the much more modern pulse radars of the F-5 and F-4 had radar clutter, and Russian radar design greatly lags behind the west AND the Scan Odd radar (RP-5) is 10 years older than these. F-5 APQ-153 F-4 APQ-120 Edited October 3, 2018 by Beamscanner
Magot Posted October 4, 2018 Posted October 4, 2018 these CIA pages are good source! RP-5 radar - wiring diagrams https://www.cia.gov/library/readingroom/docs/CIA-RDP80T00246A073700210001-0.pdf
gulredrel Posted October 5, 2018 Posted October 5, 2018 Nice picture, but I'm confused. In which direction is the aircraft banking? Turn indicator is to the left, so a left bank? But attitude indicator and the radar scope lines indicate right bank?
will00988 Posted October 5, 2018 Posted October 5, 2018 I would guess that it is a right bank, but that the radar scope portrays the aircraft's current "up" as up, therefore relative to the earth's plane, which is the bit that seems to be tilting left, the aircraft is indeed in a right bank, as indicated elsewhere on the panel. Just a guess though, someone who actually knows how the cope works can confirm.
pepin1234 Posted October 6, 2018 Posted October 6, 2018 (edited) Nice picture, but I'm confused. In which direction is the aircraft banking? Turn indicator is to the left, so a left bank? But attitude indicator and the radar scope lines indicate right bank? The radar scope show: small line in the center is the aircraft roll representation while the large line is the artificial horizon. He is bancking to the right. The target below Edited October 6, 2018 by pepin1234 [sIGPIC][/sIGPIC]
Beamscanner Posted October 6, 2018 Posted October 6, 2018 (edited) Zeus, One of the MIG-17P manuals mentions some precautions with the RP-1 (RP-5 is an enhanced RP-1). --------------------------------------------- Ground check of the RP-1 Radar 444. To test the RP-1 pilot must: 1) Turn on the sight. 2-3 min. after turning on the display screen appears raster line noise and electronic attitude indicator. 2) To secure control handles "Bright" and "Fok" get on the screen of a weak, but clearly the presence of background noise from luminance noise in the failure zone of 2 to 5.6 km. Start noise should be at a distance of 0.2 km, and the upper limit should be placed on their range of 12 km and more. Noise azimuth should be restricted zone of 60 ° to both sides of the zero azimuth. RP-1 in flight check 445. Enabling the radar scope of RP-1 and prove that it works in the air produced in the same sequence as in the verification on the ground. After 3-4 minutes. after the crosshair on the display screen at a distance corresponding to the height of the flight, the signals appear altimetrovye land in the form of bars and spots. With increasing altitude terrestrial interference decrease; at 7000 m , they almost disappear. At altitudes below 3000 m observation marks goal against interference from the ground is difficult, resulting in operational use is limited scope minimum height of 2500 m After 5-6 minutes. after the scope and level flight mode to check the position of electronic artificial horizon line guidance with respect to the line of banks and if necessary adjust their relative positions, mode and level flight at the same check on the flight and navigation instruments. Small aircraft evolutions make sure that the operation of the electronic artificial horizon. -------------------------------------- This further points to the RP-5 radar having ground clutter (ie noise) in the radar scope. So much in fact that they say the radar isnt useful below 2500 meters. With the ground clutter noise gradually decreasing as you climb in altitude (noise is almost completely gone past 7000 meters) I've also adjusted the color and blended all of the frames from the video into one picture so as to get a feel for what the pilot would see (phosphorus film on the CRT screen naturally blends the rastered images for the pilots eyes) Original footage: Recolored: Recolored / Blended frames (most accurate depiction): Recolored / Blended frames / Double sided to account for the missed CRT rasters by the camera's shutter (most authentic depiction): Edited October 6, 2018 by Beamscanner
gulredrel Posted October 6, 2018 Posted October 6, 2018 The radar scope show: small line in the center is the aircraft roll representation while the large line is the artificial horizon. He is bancking to the right. The target below So something is wrong with the turn indicator, the instument below the artificial horizon?
pepin1234 Posted October 6, 2018 Posted October 6, 2018 So something is wrong with the turn indicator, the instument below the artificial horizon? It is right. Look again the Gyro the radar scope and my post [sIGPIC][/sIGPIC]
gulredrel Posted October 7, 2018 Posted October 7, 2018 I'm still puzzled... Here a picture in daylight from project homepage: Left bank turn. Turn indicator needle to the right. The logic behind makes me crazy. Is the needle perpendicular to the ground as is the artificial horizon? Every other turn indicator I can think of shows the direction and rate of the turn. So left bank, left needle deflection.
Jester986 Posted October 7, 2018 Posted October 7, 2018 Maybe its like the "upside down" attitude indicator?
foxbat155 Posted October 7, 2018 Posted October 7, 2018 EUP-53 turn indicator is calibrated for work with speed over 500 km/h, below that speed her indications are quite incorrect. 2 DOF gyroscope is main sensor for this instrument. How should look indications in different flight conditions:
pepin1234 Posted October 7, 2018 Posted October 7, 2018 All they showed is WIP. Look Gyro please [sIGPIC][/sIGPIC]
Zeus67 Posted October 8, 2018 Posted October 8, 2018 RP-5 Radar scope modes (final). The modes are based on available docs and interviews with former pilots and ground techs, who are usually old people. "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." "The three most dangerous things in the world are a programmer with a soldering iron, a hardware type with a program patch and a user with an idea."
BeastyBaiter Posted October 9, 2018 Posted October 9, 2018 Visit North Korea where this is the latest and greatest tech?:P Seriously though, looking good :). System specs: i5-10600k (4.9 GHz), RX 6950XT, 32GB DDR4 3200, NVMe SSD, Reverb G2, WinWing Super Libra/Taurus, CH Pro Pedals.
gulredrel Posted October 9, 2018 Posted October 9, 2018 Thanks for the radar update pics. Looking great.
SGT Coyle Posted October 9, 2018 Posted October 9, 2018 RP-5 Radar scope modes (final). The modes are based on available docs and interviews with former pilots and ground techs, who are usually old people. I noticed there are a lot of encoders in this plane. Will there be CW and CCW keyboard shortcuts for them on this project? Night Ops in the Harrier IYAOYAS
Beamscanner Posted October 10, 2018 Posted October 10, 2018 RP-5 Radar scope modes (final). The modes are based on available docs and interviews with former pilots and ground techs, who are usually old people. Cant tell if this was directed at me or not.. RP-5 is pulse radar. The real one had ground and cloud clutter. There is video footage showing this. Are you suggesting that it is a clutter free radar (coherent, pulse doppler, MTI)?
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