I think you should have included Specification P.4/34 because the Fairey P.4/34 was the basis of the Fulmar.snip of the OP
I think you should have included Specification P.4/34 because the Fairey P.4/34 was the basis of the Fulmar.snip of the OP
Great spot. 👍 . CorrectedI think you should have included Specification P.4/34 because the Fairey P.4/34 was the basis of the Fulmar.
You've also missed a late 1930s specification for a helicopter designed by Raul Hafner. I don't have my copies of the Air Britain Specifications book or Ray Sturtivant's British R&D Aircraft book handy because I'm down the pub. However, I'm rather certain that his PD.6 helicopter got as far as an order for a prototype which was given an Air Ministry serial number.Great spot. 👍 . Corrected
You've also missed a late 1930s specification for a helicopter designed by Raul Hafner
I don't have my copies of the Air Britain Specifications book or Ray Sturtivant's British R&D Aircraft book handy because I'm down the pub.
I think you missed my favourite plane. The gloster F.5/34 (Goshawk)
Back from the pub.Sounds like an excellent idea 🍻
Initially powered by a Bristol Mercury IV radial engine capable of producing 840 HP and a top speed of 315 mph. You switch the Mercury with say a Centuraus engine? Nothing in the Axis air forces would match it in 39-41. Good visibility better than the Hurricane and spitfire. Excellent rate of climb and very short take off and very manoeuvrable at high speed.
Back from the pub.
According to my copy of the British Aircraft Specification File...
Page 273
Specification 10/39
Hafner PD6 Helicopter
Dated 26/04/39
File no. B992247/39/RDTI
Issued on 10/05/39 to Hafner/Short Brothers
One PD 6, T3005, was ordered from Shorts, but was not completed, Raoul Hafner having been interned under Defence Regulation 18B.
According to British Research and Development Aircraft by Ray Sturtiant the P.D.6 was also designed to Specification 10/39 and P.D. = Power Driven and that T3005 was ordered to Contract 972107/38.
The Air Britain book says that Hafner AR.IV or AR.Vg prototypes with the serials V8906 and V8909 were ordered from Shorts in January 1940 to Specification S.22/38. Sturtivant wrote that both serials were allocated to AR.V aircraft ordered to Contract 541316. He also wrote that 2 rival aircraft with the serials P9635 and P9636 might have been ordered from Cierva to Contract 968954/38 but that one of those serials appeared on an ex-civil Cierva C.40/Rota II.
It has to be able to carry a depth charge or dipping sonar.OK will add that since a VTOL Helicopter has obvious uses in ASW.
It has to be able to carry a depth charge or dipping sonar.
The Admiralty did order 500 Sikorsky R-5 helicopters through Lend Lease but the war ended before any that were delivered and the contract was cancelled.
Initially powered by a Bristol Mercury IV radial engine capable of producing 840 HP and a top speed of 315 mph. You switch the Mercury with say a Centuraus engine? Nothing in the Axis air forces would match it in 39-41. Good visibility better than the Hurricane and spitfire. Excellent rate of climb and very short take off and very manoeuvrable at high speed.
Initially I think the Gloster F5/34 would have gone into service with the same 900(ish)hp* Perseus engine as the Skua and Roc rather than the Mercury for spare commonality. Later if kept in production an American engine would probably be used.Nose heavy and too much torque through the prop. Redesign wings and strengthen barrel, enlarge tail control. Adds weight. Vicious spiral. It has to be fixed in the prototype by proper calculation to address these issues. Just saying that maybe a clean sheet around the Centaurus as Grumman had to do when it redesigned the F2 into the F4 is required?
I'm quite fond of the 148 as well, it had real potential.Also the Bristol 148 had real potential as a useful army co-operation plane but also as a two seat naval fighter bomber with either the Bristol Taurus engine or the Alvis Pelides engine. This gives a radial engined alternative to the Merlin powered Hawker Henley and Hurricane.