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Old 12th Jul 2013, 17:08
  #4021 (permalink)  
Danny42C
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Chugalug,

First, thank you for the Link. This'll keep me happy for hours ! I've only had a hurried glance through, but it's a mine of information, tells me much I didn't know before about the civil side of the operation - and makes me more thankful than ever that I stuck to the aerodrome side of the business. I would recommend everone to read this.

The CR(CA)/DF tubes were set up to show QDMs, to get QTEs there was a little spring-loaded switch on the side of the console for the ATC to press. To give him the second or two he needed to do this, you had to chant: "True Bearing, True Bearing, (callsign) request True Bearing" (as I remember). Your tube couldn't do anything about drift: it was up to you to "aim off" as required.

You couldn't go far wrong with this (although you could lock the switch onto QTE, when your merry men were in the cross-country phase, and calling at every turning point). But when you had to fall back on the old manual D/F, you had to remember that the operator always gave you QTEs, you did your own arirhmetic with it after that......D.

Molemot,

I perked up at your mention of Clarke having "worked on GCA in WW2". Being too much of a cheapskate to buy the book, could you tell me if he says anything about it actually being used in the war?. The story we were told was that it was the post-war brainchild of a Professor Luis Alvarez from one of the West Coast seats of learning......D.

Dan Gerous,

The Mitsuibishi Zero was an aquatic bird, so they didn't trouble us much. The humble and largely forgotten Nakajima "Oscar", their terrestial cousin,was our threat. It was supposed to be almost as good as a Zero; both had been designed with Igor Sikorski's principle in mind: "Simplicate and Add more Lightness". Consequently they could run rings round our more powerful and sophisicated, but heavier and less agile fighters. Or so the story went.....D

I'm a bit puzzled. I'm sure I had a Post describing the Speechless Procedure. Must go and look. Meanwhile will send this off, otherwise bound to lose it.

Danny.

EDIT: There is ! It's in draft on my Notepad. Hasn't been Posted yet ! So, Chugalug, how do you come to know about it ? You must be psychic !.....D.

Last edited by Danny42C; 13th Jul 2013 at 13:33. Reason: Add Material. Spelling Error.