Whirlybirds, Dynes, V/STOL or STOL builds

[McColm]

I'm including any Helicopters, Heliplanes,V/STOL or STOL builds that I haven't mentioned or covered yet.
A few have appeared on GB sites but it would be great to see them again all together in one place.
To be continued..

[McColm]

 Although Lockheed had successfully landed and taken off from the USS Forestal using a
 C-130F during 1963, they were looking for something with  shorter wings but could carry the same payload.
SJMcColm Engineering Limited had merged the C-130K fuselage with the twin-booms twin-fins with the wings from the Fairchild C-119C , changing the radial pistons engines to a pair of turbofans of their own design.
Trials continued with USS Forestal throughout 1965, returning back to England for evaluation by the RAF. Who were impressed by the STOL capabilities and cargo weights that it could carry.
A worthy rival to the Amstrong Whitworth Argosy which sold well in the commercial markets with 150 examples and double the amount for military use. SJMcColm Engineering Limited called it the Harlequin, Lockheed the C-19A Harlequin after negotiating a deal with Fairchild and SJMc for the production.

The build isn't finished yet as I'm still deciding if this should be a commercial freighter or something military. The kits are in 1/72 scale.

[McColm]

The US Navy

had put out tenders for the replacement aircraft for the Grumman C-2A Greyhound.
SJMcColm Engineering Limited had put forward the SJMc Ravenclaw. One had a fixed wing with twin turbofanned engines and the other tilt-turbofans with an improved wing. They both had a rear loading ramp, wrap-around external fuel tanks that embraced the main landing gear, in-flight refueling probe and twin tail fins.
The turbofans selected were the TF34-GE-100 as fitted to the Fairchild Republic A-10A Thunderbolt II. They also supplied parts and were the sponsors for the project. Talks had already taken place for the production rights and marketing.
The footprint was the same as the Boeing V-22 Osprey which uncannily looked very similar when it was built many years later.
However the US Navy opted for the STOL variant to replace the Lockheed S-3B Viking whereas the British Royal Navy ordered the V/STOL.
Engineers from SJMc had to add filters to the turbofanned engines to prevent the exhaust from burning the tarmac on the flight deck during landing or taking off vertically. The Admiralty set up trails for an AEW version EV.1which went without any issues in the performance of the aircraft or radar.
Sweden was the second launch customer for the Fairchild Republic Ravenclaw C-4A.

I used two different 1/72 Boeing V-22 Osprey kits from different manufacturers. The engines came from various A-10A kits along with the wings. The deflated radome is from the Freighdog range.
These two builds were made before I purchased the book American Secret Projects US Airlifters Since 1962 .
Grumman proposed Model 698 in the 698-400 design series with tilted turbofanned engines which is similar to the Ravenclaw V/STOL.