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Hood
Post subject: Re: FD Aircraft 19Posted: June 18th, 2022, 1:35 pm
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The English Electric P.10 offered to Specification R.156T issued in October 1954 to meet Operational Requirement OR.330 for a Mach 2.5+ reconnaissance aircraft with a range of 5,000nm.
The P.10 was designed to cruise at 70,000ft at Mach 3, it was powered by a ducted ramjet wing boosted by two Rolls-Royce RB.123 turbojets used for take-off and subsonic cruise on the return flight. At the cruise at 70,000ft the ramjets would only produce 1/4 of their maximum thrust to allow plenty in hand for evasive manoeuvres. Ceiling was 85,000ft, range 5,000nm. Jettisonable wingtip tanks could also be fitted (the inset views).
The reconnaissance equipment was the Ku-band Red Drover SLAR with 30ft-long aerials and a camera ahead of the cockpit. Doppler navigation radar was also fitted. The 2-man cockpit was novel in that the pilot's ejection seat slid up and down on rails - EE felt that a pilot would have little to do during the high-Mach cruise on autopilot so he would lower his seat and act as a second observer, the instrument panel tilting.
The design lost out to the Avro 730, though the Air Ministry were impressed with the propulsion concept. OR.330 was cancelled in 1957 and with it the Avro 730.

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Aloysius
Post subject: Re: FD Aircraft 19Posted: June 18th, 2022, 4:46 pm
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Hood wrote: *
The English Electric P.10 offered to Specification R.156T issued in October 1954 to meet Operational Requirement OR.330 for a Mach 2.5+ reconnaissance aircraft with a range of 5,000nm.
The P.10 was designed to cruise at 70,000ft at Mach 3, it was powered by a ducted ramjet wing boosted by two Rolls-Royce RB.123 turbojets used for take-off and subsonic cruise on the return flight.
Wow. First-off, another beautiful drawing from the ancient keeper of secrets of the British aircraft industry.
Second, that's quite the striking design with the full length wing ramjet and wingtip tanks, reminds one of the early concepts for the XB-70, the NA-239 zip-fuel thing. Perhaps that concept might have worked better with this ramjet propulsion system.
Last but not least, four words Hood: British Rail Flying Saucer.
Great job!

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eswube
Post subject: Re: FD Aircraft 19Posted: June 18th, 2022, 7:07 pm
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Great additions from everyone, especially Hood!
Hood wrote: *
(...)
I was wondering if You will take part in the Strategic Recon challenge and if yes, would You re-use Avro 730 or do something new - in which case P.10 seemed to be quite obvious choice.

That said, since it's a never were....
http://shipbucket.com/forums/viewtopic. ... &start=540
http://shipbucket.com/forums/viewtopic. ... &start=920
;)


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TaskForce51
Post subject: Re: FD Aircraft 19Posted: June 19th, 2022, 12:43 am
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LTV A-7D Corsair II - USA

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USA, 23rd Tactical Fighter Wing, "Flying Tigers"
England Air Force Base, LA, 1976


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Sheepster
Post subject: Re: FD Aircraft 19Posted: June 19th, 2022, 4:29 am
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Savoia-Marchetti SM.81 "Pipistrello"

Developed as the military version of the SM.73 airliner, the SM.81 prototype flew only 7 months before the SM.79, and was quickly outdated as a day bomber, although remained in service as a transport into the 1950's.

[ img ]

As basically a simplified version of the SM.73, the SM.81 was able to be quickly entered into service and participated successfully in the war in Abyssinia and in Italy's mission to the Spanish civil war. Like most of pre-war Europe, Italy suffered from lack of adequate access to aircraft engines, and so the SM.81 was produced in batches with engines from Alpha Romeo, Piaggio and Gnome-Rhône. The aircraft were otherwise identical and it does not seem that they were given differing marque designators. Not originally planned as such, but the 3 versions became allocated to the 3 theatres of the empire to allow ease of maintenance and logistics. The Piaggio engines were early determined to be best in the hot and high conditions of Abyssinia, and so they became the aircraft of Italian East Africa. The Alpha engines aircraft remained Italian based, and the Gnome-Rhône aircraft became the aircraft of Libya.
The SM.81's were already outdated for Europe by the time Italy entered WWII, and with the arrival into service of the SM.79, they were relegated to night and transport roles.
Like the SM.79, a twin-engined SM.81 bis was flown, the aircraft featuring a similar bombardier's glazed nose. With individual engines of greater power than those of its 3-engined sibling, the total power was less, and so performance was unacceptable to the Italians and no production was ordered. The aircraft was however sold to China for local licence production.


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Hood
Post subject: Re: FD Aircraft 19Posted: June 19th, 2022, 8:26 am
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Aloysius wrote: *

Wow. First-off, another beautiful drawing from the ancient keeper of secrets of the British aircraft industry.
Second, that's quite the striking design with the full length wing ramjet and wingtip tanks, reminds one of the early concepts for the XB-70, the NA-239 zip-fuel thing. Perhaps that concept might have worked better with this ramjet propulsion system.
Last but not least, four words Hood: British Rail Flying Saucer.
Great job!
OR.330 threw up some highly ambitious designs, this one was probably the most far out of all of them and hugely impressive. As far as I know, no other aircraft has ever used this particular ramjet wing concept. There were thoughts of a smaller P.10s and even a mini-P.10 cruise missile but all came to naught.

I do know someone who has good refs on the BR Flying Saucer, not sure if I'll do it or not but there might a couple of other locos in the pipeline.
eswube wrote: *
Great additions from everyone, especially Hood!

I was wondering if You will take part in the Strategic Recon challenge and if yes, would You re-use Avro 730 or do something new - in which case P.10 seemed to be quite obvious choice.

That said, since it's a never were....
http://shipbucket.com/forums/viewtopic. ... &start=540
http://shipbucket.com/forums/viewtopic. ... &start=920
;)
Yeah, reusing my Avro 730 drawing was too obvious and the P.10 has been crying out to be drawn for years. I have drawn the Handley Page design too so think there are still 3 OR.330 designs pending.

Whoops I forgot about the old Projects thread - have resurrected!

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Interwar RN Capital Ships
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Anakin_art
Post subject: Re: FD Aircraft 19Posted: June 20th, 2022, 10:58 pm
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small sheet of Intruder with TaskForce51 ;)

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orionfield
Post subject: Re: FD Aircraft 19Posted: June 22nd, 2022, 12:33 am
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Heres a large one.

Boeing 707 Non-United States Military variant templates.

[ img ]

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rifleman2
Post subject: Re: FD Aircraft 19Posted: June 22nd, 2022, 11:07 am
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very nice


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Rainmaker
Post subject: Re: FD Aircraft 19Posted: June 22nd, 2022, 5:22 pm
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Location: Montreal, QC
Hi orionfield,

Nice work on those Boeing 707 variants. I do have some doubts about the Beech Model 1080 refueling pod that was utilized on the Brazilian, Canadian, Iranian, and South African variants. To me, it seems to be somewhat lacking in detail and not the most correct shape. This refueling pod used a two-part hinged design in which the drogue was actually extended from the lower part of the refueling pod in flight.

Please see the following images for more information on what I'm describing:
Image 1
Image 2
Image 3
Image 4
Image 5

Note that the Italian Air Force 707s actually utilized the Cobham 34” Series Wing Air Refueling Pod, which is a different shape and functions much differently than the Beech Model 1080. You have the Italian variant depicted with the wrong refueling pod in this case.

Additionally, on both variants, the line where the hardpoint for the refueling pod meets the underside of the wing should probably be emphasized with a darker colour. Right now the hardpoint just blends into the underside of the wing which doesn't look right.


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