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Emergency keying
Old 08-13-2017, 01:25 PM   #1
Tornfuté
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Default Emergency keying

Hello does anybody know if there is an automatic keying system
working with the fug16 ? Sending sos before airplane crash
pierre
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Old 08-15-2017, 01:18 PM   #2
Funksammler
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They did have a variation of the FuG 16 with an automatic SOS keying system. I think it was automatically triggered by the aircraft crashing (they must have had some sort to G-force switch). I think it was specifically fitted to aircraft operating over remote Russian areas so that they could recover the pilot near his crashed aircraft. It probably did not work very well in practice (the FUG16 probably got destroyed in the crash anyway) so it I don't think it was widely used. I think the installation was a variation of the equipment used for the "Peilruf Verfahren". I have seen a couple of the boxes with the SOS code wheel in the past and I must have some info on it somewhere, I will let you know if I find it back...

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Old 08-16-2017, 02:41 AM   #3
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Hello FS thanks for your answer,the sos box isZG7 zeichengeber 7,
Ln27812 124-1565A1. I don't understand well how it was used, as
box must be used with lid ,it's written geraet nur mit deckel verwenden
but lid is fasten by 4 screws, you will never have time to open the box
prior a crash, inside there is a on /off switch , and you must unscrew a
security screw .all what's inside is a small motor like in the fug 16 remote
control like FAE or FAS or FA16.
System must be activate before crash , before fug 16 stop to work
due impact , broken antenna, psu stopped .
Any info on whole system will be welcome
Regards pierre
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Old 08-16-2017, 03:17 AM   #4
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No, it was not the ZG7 that was used with the FuG16, the ZG7 was used with the FuG VII and FuG III in earlier versions of the "Peilrufverfahren". There was a smaller and simpler unit for the FuG16.

The functioning of the ZG7 installation is described in D.(Luft)T.4011.

regards,

Funksammler
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Old 08-16-2017, 04:18 AM   #5
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thanks for accurate infos , i was wrong due to Peter Aichner code book
on page 171 it's written ZG7 Zeichengeber fur peilrufanlage FUG16
hersteller Joens W-H 1943 Correct number is ln 27872 i mention
27812 by error .
i had seen a desription but can't remember where , now you
put me in right way thanks
i have down load the T4011 and will read it .
one question is still unanswered for me , it seems me this device
transmit with a clock at interval of 2 min , it's for DF finder
and it have sense S6 tx can be homed by DF , i guess
we must not consider the SOS as an emergency , but only to permit
land station to home the plane , it don,t means he will crash later .
regards pierre
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Old 08-29-2017, 09:10 AM   #6
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hi all
https://www.flickr.com/gp/151062922@N07/z3o5af
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Old 08-29-2017, 09:13 AM   #7
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Other picture of ZG7
https://www.flickr.com/gp/151062922@N07/0N6T49
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Old 08-29-2017, 02:11 PM   #8
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There were two "Zeichengeber" used with the FuG16, the ZG16 (Ln 28950) and the ZG16a (LN28955), I think the ZG16a had a separate footplate, like the MZ16. I have not been able to find schematics yet, but I have seen something in the past....

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