[Milsurplus] aircraft antenna

[Tom B]

Hi Mike,

There is one on ebay in Germany.  There are some good pictures of it, 
but no nomenclature.
http://www.ebay.de/itm/seltene-Ringantenne-Rahmenantenne-aus-dem-2-Weltkrieg-Marine-oder-Luftwaffe-/231541917495 

The seller has no idea what it is but they want a lot for it.

Tom Bryan
N3AJA



On 4/27/2015 4:41 PM, Mike Hanz wrote:
> It's a Dyson AM06 10" desk fan rigged to add thrust to the aircraft.
>
> More seriously, I have seen those as well, but I thought they were 
> postwar civilian products.  As long as there was an insulated gap in 
> the aluminum airfoil over the loop (at the bottom apparently on that 
> model) and a cavity through which numerous turns of insulated wire 
> could be run, it should work as well as the usual aluminum tube 
> electrostatically shielded loops used for LF work today. Seems like 
> the small size certainly reduces its sensitivity compared to the 20" 
> and greater diameter normally used.
>
> The Fairchild loop antenna detailed at the bottom of 
> http://aafradio.org/flightdeck/1935/SCR-AE-183.html was in fact 
> produced in two versions - one for small aircraft where you needed to 
> slew the entire aircraft to home on a station - so it seems to have 
> been an accepted technique where you didn't have the room for a radio 
> operator.
>
>  - Mike  KC4TOS
>
> On 4/27/2015 3:05 PM, Taigh Ramey wrote:
>> I have a customer who has one on his Twin Beech. I think it was put 
>> there
>> for show as it is mounted metal top metal. I haven't seen one before 
>> either
>> and I wondered how it worked being all aluminum. In the film it looks 
>> like
>> it was insulated from the fuselage and I presume you just turn the 
>> aircraft
>> to home in on the station. What ADF would it have been used with?