GROUP BUILDS > The Prototypes G.B.

Avro Type 690 Leeds - the true story

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PR19_Kit:
Contrary to previous 'historical references' posted here :- https://www.whatifmodellers.com/index.php?topic=34249.msg542045#msg542045

the Type 690 Leeds was not based on the Lincoln airframe, but had more in common with the Shackleton, even though it was developed prior to the Type 696 Shackleton. Quite where the erroneous references to the Leeds' Lincoln origins came from is open to debate, but poor research would seem to be top of the list.....

Notwithstanding these errors, many of the premises in that previous diatribe are still worthy of note, mainly that the Leeds was developed as a longer range and larger capacity development of the well loved York transport. All Leeds airframes had the large double cargo doors aft of the wing on the port side, and could carry 75 passengers in the trooping role. Unlike the Yorks, no Leeds were flown by civilian airlines as the RAF found them to be too valuable, and preferred them to the later HP Hastings transport in many instances.

The Air Ministry were reluctant to consider new transport aircraft designs soon after WWII, believing that the York fleet would be able to carry out any tasks envisaged at the time, but Roy Chadwick, Avro's Chief Designer, became convinced that his designs for the Lincoln, and the later Shackleton would offer a considerable increase in performance over the York when modified to suit a cargo carrying role. Chadwick convinced Avro's board to fund a prototype of his proposed Type 684, and the Ministry of Supply approved the use of materials to build this single airframe after Chadwick's performance figures had been presented to them.

As many components of the Type 690 were common to other Avro types then in production, the build of the prototype was relatively swift, and it made its first flight on April 1st 1946, almost immediately confirming Chadwick's predictions. The Air Ministry were impressed by the real world performance of the aircraft and ordered 50 of them straight way, later on naming the type the Leeds, balancing any potential White Rose/Red Rose conflicts in the process. The first production Leeds entered service with 24 Sqdn. before the end of the year and soon became the mainstay of RAF Transport Command. The CiC, Air Marshall Sir Brian Baker, said of the Leeds 'Without the big Avro transport we wouldn't have become the long reaching Command that we are at present'.

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Starting off with an AIM Avro York vacform that I won in an Airliner SIG raffle a LONG time ago, I amassed a number of bits and pieces to build a Leeds, as well as drawing up a 1/72 plan of the beast, the side view of which can be seen in the second pic below.

I kicked things off by sawing the fuselage into three parts (!) and spaced them out on top of the drawing, which enabled me to cut up some styrene extensions of the correct lengths to fill in the gaps. As I only had some 20 thou stuff with me I had to laminate the internal spacers as well as the outer skins but the whole assembly turned out quite strong as a result.

Here's the port half of the Leeds, the upper pic showing the internal spacers and the lower showing the outside, but without any of the skins added as yet.



The Wooksta!:
You may want to think about changing the type number - 684 was the type number for the Avro Alston high altitude bomber deriviative of the Lancaster.

The B.1 is here:https://www.whatifmodellers.com/index.php?topic=23413.msg339502#msg339502

and the late production B.3



I think the AIM York is a repop of Contrail's second kit, which was based largely on the Matchbox Lancaster.  I had one and it was quite nice, certainly one of Contrail's better kits.

PR19_Kit:

--- Quote from: The Wooksta! on July 02, 2020, 07:51:12 am ---
You may want to think about changing the type number - 684 was the type number for the Avro Alston high altitude bomber deriviative of the Lancaster.

I think the AIM York is a repop of Contrail's second kit, which was based largely on the Matchbox Lancaster.  I had one and it was quite nice, certainly one of Contrail's better kits.


--- End quote ---

I think I got the Type no. wrong right from that original thread. :(

There are no spare Avro Type Nos. at all, right from 500 where they started, to 784 where they switched to the Hawker Siddeley numbering system. The York was a 685, so I think the Leeds will be a 685b.   ;D

Data from here :- http://britishaviation-ptp.com/avro.html

Yes, my York kit looks a bit Contrailish, with pretty heavy raised panel lines, but I'll be well practiced at sanding rivets off the Shackleton bits, so sanding the panel lines off and re-scribing should be a doddle.

Yeah, right.....  :-\

The Wooksta!:
690 and 692 could fit, both being airliner projects.  I'd go with 690, as 688 and 689 are Tudors and have the same Shackleton style wing - IIRC, the Shackleton used the Tudor wing, rather than the Lincoln wing, something to do with airflow and extended nacelles.  The Leeds could benefit from teh Tudor research programme.  Is this going to have single or twin fin?  I can donate some Shackleton tail surfaces (Revell new tool) if the latter and can cast some Ashton ones if the former.

Looking forward to seeing the results.  It's one I would like to have done myself but I've more than enough Tudor/Lincoln/Shackleton projects as it is.  I'd like to do another Alston at some point too.

My Contrail York was donated, along with a bag of Lancaster bits I was gifted by OGL (praise be unto him), to Uncle Frank, who'd said he was thinking about getting a Mach Poo one.

The bits for the wing should be in the post tomorrow.  My foot seems to be improving.

PR19_Kit:
I didn't look at what the types were, I just looked for a missing one.  :banghead: :banghead:

I reckon the Type 690 will fit the bill, thanks for the idea.  :thumbsup:

I'm intending it to have three fins, the outers being from the Shack III and the middle one made from bits of the York fins but broader, to match the outers. At least, that's the plan, the ide being to bamboozle the JMNs into thinking 'Why is there a York on the WhatIf Sig stand?'  ;)

Good to hear about your foot, and thanks for the wing bits too.

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