Excitement In The Straits Of Hormuz

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ladajo
Posts: 6258
Joined: Thu Sep 17, 2009 11:18 pm
Location: North East Coast

Post by ladajo »

Roger wrote:
ladajo wrote: It is also known the the Germans did have their own air defense radar, as well as knew the brits did.
Right, so what are the odds that a Horton flew thru air defense radar areas, demonstrating reduced cross section?

Some googling reveals:

Northrop's 1/3 scale versions flew all over California for a year or two. I'm not sure that radar was installed in the area at the time. Certainly Pearl Harbor had Radar Sept '41.
https://docs.google.com/viewer?a=v&q=ca ... 5GhFzncaxw

Early US radar
http://en.wikipedia.org/wiki/SCR-270

German radar
http://en.wikipedia.org/wiki/Freya_radar

Neat picture of the MX-324

http://members.tripod.com/airfields_fre ... Mojave.htm

SO it may be that not until the full size Northrop wings flew at Edwards did Radar and the wing meet.

OTOH This website shows early SCR-270 & SCR-271 installed '42 '43
http://www.northamericanforts.com/East/masouth.html

And this might be the jack pot. These 2 bases were close together, about 95 miles SSE of Muroc.

Signal Aircraft Warning Battalion 554th
Located: July 1942, March Field, California

Signal Aircraft Warning Regiment 504th
Activated: 11 December 1941, Camp Haan, California

More info at
http://www.mobileradar.org/army_units_501_561.html

Van Nuys, Fresno, Oakland, Estrella, San Fran all had early units

And the Bingo moment

Company C
Deployed: January 1944, for training Muroc Army Air Base, California, and attached to 592nd SAW Bn for exercise.
Redesignated: 16 May 1944, Company C, 595th SAW Battalion

http://www.mobileradar.org/army_units_562_599.html#top

The N-1M first flew in July of '41 N-9M first flew in Dec '42. So it is possible these planes flew thru early radar.
The Germans were aware of Radar visibility. And I think had more experience with radar than you realize. The idea of the war being fought as a purely kinetic event with optical sights and guts is not very accurate at all.
From page 45 of the below linked pdf:
S44.2 “Sumpf, Schornsteinfeger.” German Submarine Camouflage
Several procedures are tried to prevent detection by radar of those parts of the submarine that
are above the water surface.
In most cases measures that are supposed to disperse received signals are selective and difficult
to put into practice for a greater range of wave lengths.
Fall 1944
Overlays of absorbing materials, e.g., rubber with deposited semiconductor materials are more
promising. If the layer is thick enough, they are effective not only at short but also at long waves
lengths as shown by a test flight with a 1.50m ASV radar at the German Aeronautic Research
Institute (DVL). At this test the submarine could be detected only by jamming with a “Metox”
warning receiver.
http://www.radarworld.org/radarwar.pdf

Roger
Posts: 788
Joined: Fri Jul 06, 2007 2:03 am
Location: Metro NY

Post by Roger »

Ladajo, you're right, that indicates some sophistication, thanks.
I like the p-B11 resonance peak at 50 KV acceleration. In2 years we'll know.

MSimon
Posts: 14335
Joined: Mon Jul 16, 2007 7:37 pm
Location: Rockford, Illinois
Contact:

Post by MSimon »

Roger wrote:Ladajo, you're right, that indicates some sophistication, thanks.
If you want to go deeper into that history Roger may I suggest "Bodyguard of Lies" by Brown.
Engineering is the art of making what you want from what you can get at a profit.

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