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Aircraft Topics related to WWI aircraft, aircraft engines and armament

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Old 31 March 2012, 06:27 PM   #11 (permalink)
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The SCR-68 pictured is my own unit and I intend on donating it to NASM for the National Collection, it is missing the transmitter tubes which does not surprise me for if you look on eBay they sell fro about $300-$500 each... I'm looking for a set that need not function but completes the set... the circuit is a very basic one and at some point I would like to try to contact an electrical engineer and see if there is an application that can test the circuit to see the functionality virtually on the computer...
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Old 31 March 2012, 10:14 PM   #12 (permalink)
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Here is a clearer view of the schematic.
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Old 1 April 2012, 01:05 AM   #13 (permalink)
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Hi All
While the French may well had the technology for Wireless Telephony, after the Du Peuty document relating to Verdun it appears to disappear from later documents, at least in the air to ground sense. Maj. Walser of 4 Sqn. RFC attended a French Course at Beauvais from 15 to 30 December 1916. This was to exchange ideas from each French Army on the use of aviation. Walser not only attended he also gave talks on the RFC procedures and organisation. His notes on the course were sent to HQRFC and were then disseminated to the RFC Brigades (TNA, AIR 1/997/204/5/1241). In the section on 'Wireless' only mentions 'wireless telegraphy', I would have thought 'wireless telephony' would have been of great interest to the RFC, so I can only presume it was not discussed. It was considered that the French wireless organisation was inferior to the RFC, mainly because the French wireless stations with their artillery were manned and controlled by the artillery not the air arm. The document also lists the 'wireless failures' that had arisen, these were; "Ineffiency of Observers in sending. Use of the same type of wireless set throughout the squadrons resulting in jamming. Insufficient difference in wave lengths. Signals long and cumbersume and sent without break for long periods. Machines working too near the line and thus close to each other."
These are their reported problems at the time.
We should also remember that the British ground troop's trench wireless could give probles to the RFC receiving sets with the artillery. The RFC had to locate their sets at least 1500 yards away from the trench sets to avoid jamming in 1918.

I hope that is of interest.

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Old 3 April 2012, 09:16 AM   #14 (permalink)
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Been away for a while see now this thread...

Germany , first wireless succesfull experimen,ts between military "airship" Gross MI since June-August 1908 ! Used during maeuvres 1909 for more also M II was used for!
Civil Zeppelins : first use on Schwaben 1911-12.. Victoria Louise had a built in (from first flight) Telefunken airship Wireless station...
France ; probably from +/- 1911 first experiments, military airships were before WWI equiped with wireles equipment (Cfr Adjudant Vincenot 1913 f.e!)

1911-12 you had already in germany Wireless stations for planes!
Germany = Telefunken)


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Old 3 April 2012, 09:24 AM   #15 (permalink)
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Forgot Great Britain!

First succesfull wireless experiment with Airship BETA (1911 I believe should have to check it, exact date ? )
Was used for patrol during outbreak WWI patrolling over the might be accepted also the Astra Torres HMA n 3 was equiped with!

But in general from 1911 every cluntry had already wireless radio available on airships!


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Old 3 April 2012, 09:35 AM   #16 (permalink)
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ground wireless stations

As well French had ground -to-groiund wireless stations since at least 1908! In the field they used a small type balloon to suspend their antenna on it!
Also I know the Germans had before 1909 already such balloons for the sam euse (Berlin Tegel Luftschiffer Battallion.)



Pictures I have for more, but to large to post them!

Rod ??? For you to do?
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Old 3 April 2012, 09:44 AM   #17 (permalink)
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Here the Beta

The Beta article from England !


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Old 3 April 2012, 09:56 AM   #18 (permalink)
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I'll be happy to post larger photos for you, or show you how... either way. Anything you can contribute is very welcome.

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In the air, over there...

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Old 3 April 2012, 02:02 PM   #19 (permalink)
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I need on my P an email address, seen I have also PC troubles (jumping offline each time, must make it short!

Here two types of German, elefunken plane wireless stations.
That little one i saw on a photo used on the Schwaben 1911-1912!
Was very probably experimantal usde and so when the Delag ordered the Victoria Luise they ordered the Zeppelin with wireless equipment!

I have pictures also than from that installation into the Victoria Louise...


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Old 3 April 2012, 02:14 PM   #20 (permalink)
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Airship wireless station

Here one as used on German airships


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