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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 19th May 2021, 3:59 pm   #1
Backtoreality
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Default Unknown military equipment. Identified as an R1155 receiver.

Hi folks,
My son sent me a photo of an item on display where he is doing a course. I wondered what it was, he said he thought "it's a big multimeter or something". It's definitely something LOL! It obviously has a magic eye and a connection for a "display unit". Can anyone identify it for me?
Regards,
David
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Old 19th May 2021, 4:02 pm   #2
ms660
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Default Re: Unknown military equipment.

R1155 comms. receiver with DF (direction finding)....WW2 era, Lancaster bomber etc. Andy (up North) is the guru on these (M0FYA Andy)

Lawrence.

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Old 19th May 2021, 4:14 pm   #3
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Default Re: Unknown military equipment.

And in its carriage case too.
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Old 19th May 2021, 4:26 pm   #4
Backtoreality
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Thanks guys, it's on display at RAF Cosford.
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Old 20th May 2021, 10:38 am   #5
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

An early one with the concentric tuning knobs. Looks unmolested too, perhaps not too surprising given its provenance!
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Old 20th May 2021, 1:17 pm   #6
Lloyd 1985
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Someone’s nobbled the serial number plate! I have one of that type too, concentric tuning knobs, no scale round the knob either. Mine's in a steel case, so I guess it wouldn’t ever go in an aircraft. Wish I had the wooden crate for it!

Regards, Lloyd
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Old 20th May 2021, 3:03 pm   #7
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Steel cased ones went in boats like air-sea rescue craft.

David
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Old 20th May 2021, 3:48 pm   #8
HamishBoxer
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

My 1155 is sat here in a wooden case or 1 of them is .The other 2 do not have that carriage box.
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Old 20th May 2021, 6:34 pm   #9
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

I am led to believe that later in the war steel bodied ones did go into aircraft as by then the difference in weight compared to ali was irrelevant when you were carrying something like a Tallboy or Grand Slam.
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Old 20th May 2021, 7:05 pm   #10
Lloyd 1985
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Just a quick (and possibly daft!) question, is the serial number printed anywhere on the chassis? The plate on the front is missing from mine, and I was going to make a new one up, just thought it'd be nice to have the correct number on it too.

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Lloyd
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Old 20th May 2021, 7:06 pm   #11
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

I can imagine that wartime expediency would have led to interchange of steel- and ali-cased 1155s; though from memory [in the late-60s I nearly bought one!] the steel-cased version used in torpedo-boats etc. also had different frequency-coverage [bottom-of-the-HF-band which took in 160 and 80M] thus making them more desirable to hams.
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Old 20th May 2021, 9:41 pm   #12
M0FYA Andy
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

As a matter of interest the Avro Lancasters modified to carry the Grand Slam bomb were stripped of all possible surplus weight, and that included the T1154/R1155 equipment!

Andy
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Old 20th May 2021, 11:16 pm   #13
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Quote:
Originally Posted by G6Tanuki View Post
I can imagine that wartime expediency would have led to interchange of steel- and ali-cased 1155s; though from memory [in the late-60s I nearly bought one!] the steel-cased version used in torpedo-boats etc. also had different frequency-coverage [bottom-of-the-HF-band which took in 160 and 80M] thus making them more desirable to hams.
The R1155N ISTR.....
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Old 21st May 2021, 12:03 am   #14
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

What Tanuki said there is absolutely correct and some standard sets were converted to 80/160 by Radio Amateurs who did their own modifications. I always wanted an R1155 as it looked like a proper comms set then with the half moon dial [like the R107] but I didn't get either. Previous threads comment on official versions with the extra band used in marine locations/craft etc around the UK. I didn't know about that really but the odd hint appeared from time to time! Sadly, it was only after my uncle died, a few years ago, that I discovered he had worked on Flying Boats with these radios, during National Service in the Far East, after the war. I've always been interested in those particular aircraft for some reason

Dave W
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Old 21st May 2021, 12:09 am   #15
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Quote:
Originally Posted by M0FYA Andy View Post
As a matter of interest the Avro Lancasters modified to carry the Grand Slam bomb were stripped of all possible surplus weight, and that included the T1154/R1155 equipment!

Andy
Goodness, that is stripped out, though I suppose RX, TX and PSU collectively were quite a weight. I'd often read that these particular aircraft were considerably lightened but hadn't realised that it was taken that far. Presumably a basic T/R set was carried?

Colin
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Old 21st May 2021, 12:10 am   #16
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

Not every Lanc had an R1155. The one I got to have a crawl through in the sixties had been equipped with a BC348. I don't remember the transmitter.

David
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Old 21st May 2021, 12:18 am   #17
turretslug
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Default Re: Unknown military equipment. Identified as an R1155 receiver.

I had read that Canadian-built Lancasters had US avionics fit- perhaps one of these?
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