A little May update about MiG-19P

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 ..

Isn't it a constantly spinning radar antenna ? It looks like a power switching noise to me…

Yep, constantly spinning.

credit goes to Beamscanner

#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..

That image is the CRT refresh rate that is being seen. Something like this:

From their FB page, MiG-19 LOD:

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

these CIA pages are good source!

RP-5 radar - wiring diagrams

https://www.cia.gov/library/readingroom/docs/CIA-RDP80T00246A073700210001-0.pdf

A new one from their FB page:

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?

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.

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

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):

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?

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

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.

Maybe its like the "upside down" attitude indicator?

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:

All they showed is WIP. Look Gyro please

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.

Visit North Korea where this is the latest and greatest tech?:P Seriously though, looking good :).

Thanks for the radar update pics. Looking great.

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?

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)?