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Author Topic: Twin turboprop (or turbofaned) Avro Shackleton AEW.3  (Read 353 times)

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Offline McColm

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Twin turboprop (or turbofaned) Avro Shackleton AEW.3
« on: July 10, 2019, 11:15:45 am »
I built a twin turboprop Revell Avro Shackleton MR.3 with a flat nose and the rotodome from a Grumman E-2 Hawkeye a few years ago which unfortunately got whiffed with parts from the Consolidated Privateer.
 So after trawling through the 'spares and repair ' models on eBay I found a  project that was started but not finished,  it's another  Frog/ Revell Avro Shackleton MR.3 with a nose weight and broken main landing gear.  There's a bag of spares with the model and an attempt to paint the beast.
 I have removed the out engines,  well they fell off! And flattened the nose,  the two resin  turbo-Dak engines fit the inner cowlings but will need a bit of filler and exhaust pipes.
The wingtip fuel tanks are glued on and the cockpit just needs tidying up.  I'll have a look in my various parts bins for the lumps and bumps.
 I can remember seeing a photo of a Shackleton with the words
'Royal Navy ' instead of 'Royal Air Force ' on the fuselage,  I'll see if I can dig it out of my pile of reference magazines.
« Last Edit: July 12, 2019, 12:54:21 pm by McColm »
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Offline Weaver

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #1 on: July 10, 2019, 05:05:49 pm »
It'd better be operating at VERY light weights, since it's only got two 1200hp engines instead of four 1960hp ones.... :o

Replacing four Griffons with two PT6A-67s saves about 6800lb in weight, thus bringing the enpty weight down to about 44,600lb. For comparison, a Turbo-Dakota (Basler BT-67) has an empty weight of 15,700lb.
« Last Edit: July 10, 2019, 05:13:02 pm by Weaver »
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Offline PR19_Kit

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #2 on: July 10, 2019, 10:28:11 pm »
Quote from: Weaver on July 10, 2019, 05:05:49 pm

It'd better be operating at VERY light weights, since it's only got two 1200hp engines instead of four 1960hp ones.... :o


They could just put every other rivet in, that'd save at LEAST 20 tons!  ;) ;D
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Offline Weaver

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #3 on: July 11, 2019, 01:59:32 am »
Quote from: PR19_Kit on July 10, 2019, 10:28:11 pm
Quote from: Weaver on July 10, 2019, 05:05:49 pm

It'd better be operating at VERY light weights, since it's only got two 1200hp engines instead of four 1960hp ones.... :o


They could just put every other rivet in, that'd save at LEAST 20 tons!  ;) ;D

Well with less weight to carry, they could fit it with shorter wings, say from a DC-3, then because of the lower weight they could give it the lighter undercarriage from something like a C-47, and since it wouldn't be able to to carry much volume they could give it the shorter and less draggy fuselage from a Dakota, and... hey, wait a minute....  :unsure: ;)
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Offline zenrat

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #4 on: July 11, 2019, 02:55:24 am »
Quote from: McColm on July 10, 2019, 11:15:45 am
... I can remember seeing a photo of a Shackleton with the words 'Royal Navy ' instead of 'Royal Air Force ' on the fuselage,  I'll see if I can dig it out of my pile of reference magazines.


http://www.aviationretaildirect.com/new-releases/sc196-sky-classics-1-200-avro-shackleton-mr2-wg577-navy-light-grey-with-white-undersides-is-due-tbc/

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Offline Weaver

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #5 on: July 11, 2019, 03:27:45 am »
Two Armstrong Siddeley Python turboprops would be about right: 4110hp and 3450lb each.

Two Pythons: 8220hp, 6900lb

Four Griffons: approx. 7840hp, 7920lb.

These are plenty of cheap Wyverns around to butcher, and you could always stick a pair of Nenes from a Lancastrian testbed conversion on the outer nacelle positions to give a real hot-rod...
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Offline McColm

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #6 on: July 11, 2019, 12:33:18 pm »
There's some concept artwork of a Shackleton with the engines from the Boeing B-29 in the book 'Nimrod a Genius ', although I might have to change the propellers.
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Offline kitnut617

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #7 on: July 12, 2019, 06:54:56 am »
Quote from: Weaver on July 11, 2019, 03:27:45 am
Two Armstrong Siddeley Python turboprops would be about right: 4110hp and 3450lb each.

Two Pythons: 8220hp, 6900lb

Four Griffons: approx. 7840hp, 7920lb.

These are plenty of cheap Wyverns around to butcher, and you could always stick a pair of Nenes from a Lancastrian testbed conversion on the outer nacelle positions to give a real hot-rod...

I have a plan using Pythons on a Shackleton (IIRC I had written about it here too sometime ago). As the air intakes for the engine are right at the backend of it, I was thinking of doing something similar to how the Herald has it's turbo-prop engine intakes. Sorts out the undercarriage at the same time.
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Offline McColm

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #8 on: July 12, 2019, 12:52:54 pm »
I used a pair of turbofans on a tailless Avro Shackleton  build  project,  these came from a Matchbox A-10 kit.  I will be adopting this method on this build  meaning I can finish both together.  :banghead:
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Offline kitbasher

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Re: Twin turboprop Avro Shackleton AEW.3
« Reply #9 on: July 14, 2019, 12:22:06 pm »
Quote from: kitnut617 on July 12, 2019, 06:54:56 am
Quote from: Weaver on July 11, 2019, 03:27:45 am
Two Armstrong Siddeley Python turboprops would be about right: 4110hp and 3450lb each.

Two Pythons: 8220hp, 6900lb

Four Griffons: approx. 7840hp, 7920lb.

These are plenty of cheap Wyverns around to butcher, and you could always stick a pair of Nenes from a Lancastrian testbed conversion on the outer nacelle positions to give a real hot-rod...

I have a plan using Pythons on a Shackleton (IIRC I had written about it here too sometime ago). As the air intakes for the engine are right at the backend of it, I was thinking of doing something similar to how the Herald has it's turbo-prop engine intakes. Sorts out the undercarriage at the same time.

I’ve a FROG MR3 built a bazillion years ago that I want to rebuild as a whif.  Love the twin Python idea, never struck me before. 
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