Dornier Do 214 heavy flying boat project

Dornier Do 214 is a multi purpose flyingboat originally designated number P 93 for a heavy transporter at first. The Göppingen Gö 8 were used to test for the project .Proposed powerplants were to be 8x Daimler Benz DB 613 piston engines.The front propellers had a 5.0 m (16' 5") diameter, the rear had a 4.6 m (15' 1") diameter.  The rear propellers were driven by an extension shaft and were also hinged, which allowed the rear propellers to be raised during takeoff for water clearance . Fuel capacity consisted of 66000 liters in the huge fuselage and  1500 liters contain in each wing.A single fin were added and all 8 engines were monitored by a flight engineer from the central station .The Airliner variant  crew are twelve men: a captain, two pilots, navigator, radio operator, two flight engineers, two stewards, two hostesses, and one crew member held in reserve and  forty passengers could be carried in comfort and  2.6  tons of freight and luggage could be carried in the lower fuselage storage area. In 1943, a mockup was reconstructed to investigate the best placement of the gun turrets and other military stores but then the flying boat was no longer needed due to worsening war situation.
Specification
Span:60 m
Length:51.6 m
Height:14.3 m
Wing Area:500 m²  
Empty Weight:76000 kg
Loaded Weight :145000 kg
References:http://www.luft46.com/dornier/do214.html
                  http://en.wikipedia.org/wiki/Dornier_Do_214
                  





































 
 

Boulton Paul P 100

Boulton Paul P 100 is a projected ground attack aircraft  submitted by Boulton Paul in response to Specification F. 6/42 which called for a 'single seat low level attack aircraft'. The P.100 was an innovative and forward-thinking design with features that were maybe too advanced for the time such as the unique 'jaw' at the nose which allowed the pilot to escape without danger of hitting the pusher propeller. But later in January 1944, the RAF want to terminated the project because it role already exist on 3 aircraft: the Hawker Typhoon, Tempest and Hurricane.


Specification

• Powerplant:1x Rolls Royce Griffon II driving contra rotating props
• Span :12.2m
• Length:10.4m
• Max speed:571 Km/h
• Service range:5,182m
• Proposed armament :4 x 20mm Cannon or  2 x 40mm + 2 x 20mm canon ,one 47mm Vickers cannon
• Ornances:8 x RP3 Rockets,2 x 500 lb. bombs

The Jaw nose escape step by step

Dewoitine /Sud Est SE 580

In 1944, when France been freed , the Aeronautic Manufacturing National Societies or SNCA try to built a new type of fighter based on the project of the SNCA du Midi M 580-an early design of SE 580 in 1940, the SE 580 wing planform-with its near mid-chord single spar and its empennage surfaces planforms-was similar to the D520, albeit the horizontal planes had slightly greater aspect ratio. Initially designed to be powered by the 24-cylinder Hispano Suiza 24Z (H type) of 2,000hp, its postwar redesign accommodated the 24-cylinder arsenal 24 H of 3,400hp. This latter engine used the cylinder blocks of the German Junkers IV12 213 engine.

Two 12.1-foot-diameter coaxial, counter-rotating propellers were to be utilized for propulsion.

It was to be armed with a 30mm cannon firing through the propeller axis, plus four 20mm cannon and either eight 7.Smm or six 12.7mm machine guns mounted in the wings outboard of the propeller arc. A 500kg (1,100 lb.) bomb could be carried beneath the fuselage. It is obvious that the after-cockpit buried radiator with top-mounted radiator intake was for protection from ground fire.

One thing was sure is 2 prototypes were ordered but they were not complete because the project was cancelled when the Amee de Air( French airforce) focus more on jet fighters along with it competitor-the Arsenal VB-10 shortly thereafter.

Specification

• Powerplants:Hispano Suiza 24Z(2x Hispano Suiza 12Z)
• Armaments:30mm cannon in the props axis, 2x HS 404 cannons in each wing
• Propellers:6 blades contra rotating props or 5 blades counter rotating prop
• Span 15.862m
• Length 13.000m
• Weight 5093kg 
• Maximum speed 749km/h

 References: http://www.aviationbanter.com/showthread.php?t=76826http://findarticles.com/p/articles/mi_qa3897/is_200102/ai_n8931139/

Supermarine type 327 Spito

The Supermarine type 327 is a proposed twin engineed version of the successful Spitfire which was entered production later.  A mock up were built for testing but later it was destroyed in fire when it was in factory.In fact it was to a design spec requested by the Air Ministry to actually replace the Spitfire which was entering service.
The 327 was an improvement version of type 324 with 6 cannons in wing root for replace 12 MG in type 324 wings.
                                                                                  Artwork for type 327 Spito

 Specification 

•  Powerplants:2x Rolls Royce Merlin 25M
• Wingspan:40 feet  
• Length:33feet 5 inch
• Armarment:6x Hispano Suiza HS 404 cannons
• Crew:1(pilot)
• Speed:465mph
• Ceiling:40000feet                                                                                        

                                                                                                                                           



                                 








                    

Roll Royce Medway

Roll Royce Medway  is a proposed large low-bypass turbofan engine produced by Roll Royce and tested in early 1960s.  The project was cancelled due to favor of the Roll Royce Spey engine and the cancellation of Armstrong Whitworth AW.681 VTOL transporter project.
The development of this engine were based on the Roll Royce Pegasus engine which were used for Harrier prototype, it was designed byby a team led by Alan Arnold Griffith, the RB.141 was originally designed to meet a new propulsion requirement for the de HavillandDH.121 airliner project which later became the Hawker Siddeley Trident. The engine was later named after the River Medway in line with Rolls-Royce company tradition for jet engines.
The first application for the medway is the Armstrong Whitworth AW 681 VTOL transporter prototype.
The rear section of the engine was modified to incorporate an internal thrust deflector to duct exhaust gases through swivelling nozzles; an idea similar to that used on the contemporaryBristol Siddeley Pegasus. Cancellation of the AW.681 project however also brought to an end further development work on the Medway with attention turning to the smaller, but very closely related, Spey turbofan.
Another application is for the SAAB Vigen, the Sweden military attack aircraft but due to government funding, the idea was not adopted.
In December 1963 the Medway had successfully completed over 1,700 hours of bench running.

Specifications (RB.141-3 Medway)

General characteristics

• Type: Low bypass twin-spool turbofan
• Length:
• Diameter:
• Dry weight:

Components

• Compressor: Axial, 5-stage LP, 11-stage HP
• Combustors: Cannular, 10 chambers
• Turbine: 2-stage LP, 2-stage HP

Performance

• Maximum thrust: 11,800 lb
• Overall pressure ratio: 16.75:1
• Power-to-weight ratio:unknown

References:http://en.wikipedia.org/wiki/Rolls-Royce_Medway

Curtiss XP-71

Curtiss XP-71 was a 1940 proposal of a heavy escort fighter aircraft for USAAF.  It was equipped with a pressurized cockpit and equipped with two Pratt and Whittney Wasp Mayor radial engines.  It featuring the pusher configuration with 8 countra rotating propellers. Based on the experience of heavy fighter, these type of aircrafts were requested as escort for bombers.  Two prototypes were ordered.  The development were equipped with Wasp Mayor turbocharged radial engines was supposed to be the biggest aircraft during the war
The final design of the XP-71 was bigger than the B-25 Mitchell medium bomber so this complex aircraft was considered to be need a lot of resources to built.  A mock up was built to gained data for the prototypes but later, the requirement of more advanced fighters such as jets led to the cancellation of the XP-71 project and the prototype was never built in 1942.
Specification
General characteristics

• Crew: 2
• Length: 61.83 ft (18.85 m)
• Wingspan: 82.25 ft (25.07 m)
• Height: 19.0 ft (5.79 m)
• Wing area: 602 ft² (55.9 m²)
• Empty weight: 31,060 lb (14,090 kg)
• Max takeoff weight: 46,950 lb (21,295 kg)
• Powerplant: 2× Pratt & Whitney R-4360-13 "Wasp Major" radial engines, 3,450 hp (2,574 kW) each

Performance

• Maximum speed: 428 mph (371 knots, 690 km/h) at 25,000 ft (7,620 m)
• Range: 3,000 mi (2,600 nm, 4,800 km)
• Service ceiling: 40,000 ft (12,192 m)
• Max wing loading: 51.6 lb/ft² (252 kg/m²)
• Minimum power/mass: 0.147 hp/lb (242 W/kg)
• Time to altitude: 12.5 min to 25,000 ft (7,620 m)

Armament

• Guns:
  
  
  
  • 1× 75 mm (2.95 in) cannon
  • 2× 37 mm (1.46 in) cannon

References: http://www.secretprojects.co.uk/forum/index.php/topic,3281.0.html
                    http://en.wikipedia.org/wiki/Curtiss_XP-71