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Old 06-09-2014, 03:03 PM   #11
Flagrum
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Regarding the function and use of the FuG-16ZY radio, I would like to mention a few things, in no particular order:

Luthier asked some time ago already for some information about it:
Quote:
Originally Posted by luthier1 View Post
11. The Frequency dial – what do the frequencies actually do?
The I position is for Y-Führungsfrequenz, or Management frequency.
The II position is for Gruppenbefehlsfrequenz, or Group Order frequency.
The ? position is for Nah-Flugsicherungsfrequenz, or the Air Traffic Control frequency.
The ? position is for Reichsjägerfrequenz, or Reich Fighter Defense Frequency.
That we're clear on. What they were used for however, we need more info on that.
... and got some answer, too:
Quote:
Originally Posted by csThor View Post
Hi Ilya!

For details on the FuG 16ZY please refer to a more detailed explanation on pages 41 and 42 in this document: http://www.cdvandt.org/D-Luft-T-4069-FuG-16ZY.pdf

E-Messbetrieb means the Y-device in an aircraft is active (kinda like a mobile radio beacon which allowed ground installations to detect and follow a fighter unit's progress for GCI ops). This device was installed in only a few aircraft per unit (Gefechtsverband) but only one was supposed to be active at one time (the rest were reserve). Any aircraft not supposed to operate in this role had the Y-device physically deactivated before flight.

As far as I understand the manual the I frequency setting (Y-Führungsfrequenz) is for the radio emitter only (the pilot will still hear the unit's command frequency, he just won't be able to talk to them - see page 41 points 352 & 353 of the linked document). If the pilot now switches the AD 18Y selector to Y/ZF mode the Y-device will be active and will give the fighter control officer onthe ground the possibility to track the unit's progress and direct them to the enemy formations.

The II frequency setting is the formation's command frequency (as it was correctly said). ? was correctly translated but I can't say what it was used for. The Reichsjägerfreuqenz on ? was pretty much an information frequency which was used to transmit general information on the tactical situation in the air over Germany to the fighter units. It was mostly a backstop in case the contact between fighters and ground control broke down or was jammed.

Now back to the AD 18Y. In any other setting but I that switch was used to select either radio mode (FT = Funktelegrafie) or to "lock on" to a radio beacon and use it for navigation (ZF = Zielflug-Anzeige), in day fighters usually in combination with the "Anzeigegerät für Funknavigation" (don't know technical abbreviation).

I hope that helps.
I am not entirely sure if that what is in the manual and what csThor describes is equivalent ... or if not, who is right about it. Especially about all that "Y stuff" (Y-Führungsfrequenz, Y-Verfahren, Y-device, etc.).

But the mentioned PDF file, the original german manual, is invaluable (although not an easy read, I admit, if you are not some sort of technician who is fluent in all that radio engineering lingo ... of 1944 ... which I am not :o)

To me it seems, as if Fug-16ZY manual, p. 26, point 142 - 144 (function of the radio for day fighters, including homing), points 145 - 146 (for day fighters without homing capabilities) and points 147 - 152 (night fighers w/ homing) contain a lot of information regarding the various topics (the "y-stuff", "Zielanflug"/homing, FT/ZF switch position, frequency setting I and II for send/receive, etc.

I can not yet quite grab it, but the description of the frequency settings I ("Führungsfrequenz", "management frequency") in the DCS manual is at best misleading, if not wrong. It seems to me, that this has something to do of how the german GCI was working. I think, the "Führungsfrequenz" is for talking to the GCI guys while in "E-Meßbetrieb", which seems to be the way the ground controller tracked the aircraft (see also csThors explanation). This has nothing directly to do with the squadron as stated in the DCS manual. It is more about the GCI operator leading/directing the aircraft to the target ("führen" / "to lead", "to direct").

Also the implications of the parallel send/receive capabilities, in conjunction with the GCI, for the four configurable frequencies in the DCS mission editor ... could be a bit underestimated (I think, we will need more frequencies, even if the selector has only four positions!)

What I would proably also like to see if it would make it into the DCS manual:
- Range of the radio, for plane-to-plane and plane-to-ground transmissions (Fug-16ZY manual, p. 16, point 137)


Ahh well ... this posting starts now to get really messy. Before I confuse everyone even more, I better stop here. But I would like to suggest that someone more capable than me does some research about the german GCI procedures, especially with a focus on radio communications, homing, frequencies, etc.

edit:
found a site that seems to explain the GCI stuff ... complicated stuff (if you are, like me, not familar with all these concepts) ...
http://www.gyges.dk/Wilde%20&%20Zahme%20Sau.htm
http://www.gyges.dk/Jagd%20Verfahren.pdf
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Last edited by Flagrum; 06-09-2014 at 05:10 PM.
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Old 06-09-2014, 03:07 PM   #12
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Quote:
Originally Posted by MACADEMIC View Post
Flagrum,

Nice work, but the english terms 'coarse' and 'fine' are correct in connection with propeller blade angles.

MAC
Allright, thanks! Fixed it in my posting.
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Old 06-09-2014, 04:20 PM   #13
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Browsing the manual, I was very surprised to see 2 groups of switches under covers on the cockpit's right hand side. On D-9 the rear group of switches was deleted, and there is actually some proof for that. My question to ED's developers would be: what documents do you have that show on D-9 there are 2 groups of switches under covers? I would be very curious to see it.

Also I was surprised by several switches there. For example, the Außenbord switch. The last Fw 190 version to have this switch was A-5, it was deleted on all newer versions.
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Old 06-09-2014, 07:51 PM   #14
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Page 42: MauseD instead of MauseR Machine Gun.
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Old 06-09-2014, 08:22 PM   #15
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Quote:
Originally Posted by Fox One View Post
Browsing the manual, I was very surprised to see 2 groups of switches under covers on the cockpit's right hand side. On D-9 the rear group of switches was deleted, and there is actually some proof for that.
Agreed, I have some images in my books that show this...

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Old 06-09-2014, 08:49 PM   #16
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Quote:
Originally Posted by Fox One View Post
Browsing the manual, I was very surprised to see 2 groups of switches under covers on the cockpit's right hand side. On D-9 the rear group of switches was deleted, and there is actually some proof for that. My question to ED's developers would be: what documents do you have that show on D-9 there are 2 groups of switches under covers? I would be very curious to see it.

Also I was surprised by several switches there. For example, the Außenbord switch. The last Fw 190 version to have this switch was A-5, it was deleted on all newer versions.

Please supply any evidence of this and I can submit it, the earlier the better.
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Old 06-10-2014, 09:58 AM   #17
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Quote:
Originally Posted by Fox One View Post
Browsing the manual, I was very surprised to see 2 groups of switches under covers on the cockpit's right hand side. On D-9 the rear group of switches was deleted, and there is actually some proof for that. My question to ED's developers would be: what documents do you have that show on D-9 there are 2 groups of switches under covers? I would be very curious to see it.

Also I was surprised by several switches there. For example, the Außenbord switch. The last Fw 190 version to have this switch was A-5, it was deleted on all newer versions.
I was also suprised by this. . Here are some pictures, I will check when I will be at home also fw 190D Ersatzteilliste if there is something useful.
Question for me is also handle on left console pos.1 (MW-50 to Fuel Handle of water-methanol tank) and switch pos.9 (Radio self-destruction button) I never seen it before. What is the source for this????
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Last edited by draken152; 06-10-2014 at 10:53 AM.
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Old 06-10-2014, 11:05 AM   #18
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I think this can also prove the right configuration of consoles/panels.... FW 190D Ersatzteilliste....
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Old 06-10-2014, 02:38 PM   #19
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Great pics Drak, this has been reported, but I will add these images to my report. Thanks!
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Old 06-12-2014, 07:30 PM   #20
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Description of the engine is wrong.

The Jumo 213A had a single stage, two speed supercharger!

Critical height is approx. 5500 meters.

The more advanced versions like E or F had two stage, three speed superchargers.

Source: Die deutsche Luftfahrt - Flugmotoren und Strahltriebwerke
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