Author Topic: Went to England to see a friend, and got involved with a 1942 Avro Lancaster.  (Read 1710 times)

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clockmanFRA

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One of these flying in England and one flying in Canada.

This one, 'Just Jane' NX611 manufactured in 1942 is undergoing works to get airworthiness cert.

My friend is ex RAF Analogue Avionics specialists, infact all the specialists restores on this project are mostly Ex Air Force, and yes all getting on in age. They are training apprentices.

After 2 and 1/2 years i manged to get from France to the UK with my COVID European passport and with out complicated and expensive test procedures.

My specialist field is horology and scientific instruments, but i come from the Museum world and not the commercial world.

Any way the 4 RR Merlins are okay, they have new wing tips and the wings and tail are good but the fuselage needs a great deal of work and probably completely remaking a new copy. The ally is old and has micro fractures.

Here is a few Pics i have.


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Edited as actual age of manufacture was 1944-45. Sorry about that.



 
« Last Edit: March 14, 2022, 03:10:41 AM by clockmanFRA »
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bigrockcandymountain

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The Lancaster is my favorite plane from ww2. The fighters get all the attention, but the heavies to me are just way more awe inspiring. 

My grandfather also spent part of 1945 in the mid upper turret on one so maybe that is part of my fascination.  I'm happy to see another flying restoration in the works.  I wish I could somehow get my hands on one to work on.  The machine age, before plastics and semiconductors was a golden era in my mind. 

Thanks for sharing. 

SparWeb

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Just south of Calgary is a town called Nanton, and their air museum has a Lancaster with running engines (though isn't airworthy).  The airworthy one is in Hamilton and I've paid it a visit, too.

Here's a photo from a past visit.  For scale, the boy in the photo is 6 feet 4 inches (1m 93cm) tall.  Today...  Maybe that photo was taken a long time ago. 
Sigh, they grow up so fast.

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MattM

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Any way the 4 RR Merlins are okay, they have new wing tips and the wings and tail are good but the fuselage needs a great deal of work and probably completely remaking a new copy. The ally is old and has micro fractures.

Does the framing or skin have the fatigue?

mab

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IIRC when it was refused its CofA, i heard that the issue was that Lancasters had had an average life expectancy of about 2 week in use  - and so, quite sensibly, they built them with that in mind. I don't know but i was thinking the issues are with the frame as well as the skin - the skin would have been (relatively) easy to replace?

electrondady1

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there is an airport in the town next to my town and years ago there was an air show including and Avro Lancaster and a Spitfire. they did a fly over my town . those Merlins have a unique sound. took my boy over to see what we could see.



Mary B

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I get to hear this(and others!) fly over pretty often. You can NOT miss the sound of those big engines. Fagan's Fighters is the museum if you want to see his other stuff. I did the radio restoration on the B25! Those things were not made for full sized adults LOL I had to remake wiring harnesses to the cockpit and run them... it was a tight squeeze for me! I am 5'11" and NOT skinny!


tanner0441

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Hi

I grew up for in Birmingham and 5 or 6 miles from where I lived was Castle Bromwich (Pronounced Brommich) air field, where a lot of these things flew from and I believe were made. Across the road from the air field was a scrap yard, Minworth Metals,  absolutely stuffed with the things. As a kid it was the ultimate playground, then as the interest in radio increased it was a race to get the radios out before they fell victims to the companies wreckers, and smashed into bits small enough to go into the furnaces. I don't remember seeing any engines those that had the wings on had no engines or nacelles. I remember thinking that the aluminium skin was very thin and all the framework was covered in yellow paint which I later found out was some chromate or other to reduce corrosion.

I bet they wish they hadn't melted them all now..

Brian

clockmanFRA

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Avionics is not my subject.

But my good pal showed me the air frame section of the works and they now have very sturdy RSJ frames for the wings and other parts of the air frame. They had just received new tail upright sections and the main wing tips sections.

And i understood these were made at the same time as the Canadian Lancaster's, as it was cheaper option to have 4 made, and nice they were.
 While i was there they were fitting the Nav lights and drilling the new transparent polymer covers. And also the rear facing main wing tips identifying lights, ie 3 colours bulbs that they would use to aircraft inter chat to each other without using the radio.
Original identifying lights replaced with LED fittings said Spen," hell of a job as the original were bulbs just packed into position with any old paper/card they had to hand at the time".

Being inside and scrambling over the main wing spars, it was obvious that the main fuselage was requiring attention. About every 24 inches down its length there are rolled formed fuselage frames/bulkheads, there not fancy or complicated but all will need remaking new.

 "blimey" i said,  "but every one is differing diameter/oval size."   It seems that they are going to make wood templates from each original so new aluminium frames can be made exactly as the old.   Now chaps, to me that looks like one hell of a job.

"Spen" i said what about all the new wiring your putting in. "not really a problem" said Spen, as the fuselage is in sections and can be just un bolted and my new wring unplugged and refitted into the new",





Above new lights and fittings into the new wing tips that are stored upright before fitting to the plane.    "Managed, after much profanity to get the Nav lights fitted and connected, " said Spen.

This internal fuselage photo shows the internal frames/bulkheads, each one is different and all will need re-making.






« Last Edit: March 15, 2022, 06:56:35 PM by clockmanFRA »
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clockmanFRA

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Spen has been doing his magic a few years now. I have lots of photos he shared with me.





Good to see his new young apprentice helping with the Lancaster.

"On Jane this morning, U/S No4 Rad Temp gauge.
Removed, tested and refitted by our work experience lad, under my supervision.
He did a good job too "



Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

clockmanFRA

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Mary B, just for you.





"And finally, rebuilding the psu on the radio , which now works a treat," said Spen.






Working on the R1155 today, it doesn't overheat and go fiz pop anymore. Just got the mains hum to get rid of and then it's done.
Everything is possible, just give me time.

OzInverter man. Normandy France.
http://www.bryanhorology.com/renewable-energy-creation.php

3 Hugh P's 3.7m Wind T's (12 years) .. 5kW PV on 3 Trackers, (8 yrs) .. 9kW PV AC coupled to OzInverter MINI Grid, back charging AC Coupling to 48v 1300ah battery

Mary B

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Nice! Those old radios were works of art inside! And amazingly sensitive receivers.

SparWeb

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Here's an inverter - circa 1950.

Converts 28VDC to 115 VAC at 400 Hz.

I don't know why I still have this thing.  I also have a 400 Hz motor kicking around.

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No one believes the theory except the one who developed it. Everyone believes the experiment except the one who ran it.
System spec: 135w BP multicrystalline panels, Xantrex C40, DIY 10ft (3m) diameter wind turbine, Tri-Star TS60, 800AH x 24V AGM Battery, Xantrex SW4024
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Mary B

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Here's an inverter - circa 1950.

Converts 28VDC to 115 VAC at 400 Hz.

I don't know why I still have this thing.  I also have a 400 Hz motor kicking around.

(Attachment Link)

I got bit by one of those, 115vac at 400 hz HURTS, smaller version used in an old airport beacon amplifier system(AM-6154? I think) that I was converting to 222mhz ham band. It had an internal converter for the blower motor. Why they used a 400hz blower for a ground mounted piece of equipment is beyond me!

DamonHD

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Isn't (or wasn't) 400Hz simply a common miltary standard, allowing lighter/smaller transformers than 60Hz?

Rgds

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Warpspeed

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400Hz is still fairly common in marine equipment as well.  Similar hardware such as radars and weaponry can be mounted in all kinds of different platforms such as ships, aircraft, vehicles, and ground installations.
Its pretty much the military/aerospace standard for most things, and still is.

Mary B

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Isn't (or wasn't) 400Hz simply a common miltary standard, allowing lighter/smaller transformers than 60Hz?

Rgds

Damon

Light? The AM6154 was 75 pounds LOL they were a beast to move! The high voltage power supply was 60hz and the bulk of the weight, the only part that was 400 hz was a converter power supply for the blower motor... made ZERO sense! And all the weight was to the rear making it a real pain to put in a 19" rack cabinet! 2 person job! NOISY blower, I had one and it drove me nuts with the racket it made, other stations could hear it run when I keyed the mic.