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Author Topic: The slightly less well known  (Read 9072 times)

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Offline Angry Turnip

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Re: The slightly less well known
« Reply #125 on: May 10, 2019, 06:29:22 PM »
Rud Aero RA-3

The RA-3 is a single engine two-seat,side-by-side configuration,low wing,tricycle gear of composite construction.The aircraft is built using carbon fiber throughout.
It has a cambered training wing that can be exchanged for a constant chord symmetrical wing for advanced aerobatic training.
The aircraft is designed to operate as an FAR Part 21.24 aircraft, with future modifications to meet American LSA standards.

Powerplant is a Lycoming IO-360 Horizontally opposed piston aircraft engine of 180 hp.Maximum speed is 150mph,with a cruise speed of 135mph.
« Last Edit: May 10, 2019, 06:29:40 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #126 on: May 11, 2019, 05:06:58 PM »
Rutan VariViggen

The Rutan VariViggen is a homebuilt aircraft designed by Burt Rutan.The aircraft is a tandem two-seater of primarily wooden construction with a delta wing and a canard foreplane.The prototype was designated Model 27, and the production version was Model 32.

The VariViggen was named after the Swedish fighter,the Saab 37 Viggen.Rutan became interested in aircraft which resisted stalls and spins,and the VariViggen was his first full scale design.After four years of work, the aircraft made its first flight in April, 1972.In order to increase efficiency, the Model 32 (also known as the VariViggen SP) had a slightly longer fuselage, a larger wingspan and winglets.It is powered by a 150 hp Lycoming O-320 aero engine in pusher configuration.

The Rutan Aircraft Factory sold 600 plan sets for the VariViggen to homebuilders,eventually only about 20 of the aircraft were built.Following the crash of one in New Brunswick, Canada in September 2006 due to wing tank fuel contamination,fewer than five are currently still flying.The prototype aircraft, N27VV, was donated to the EAA AirVenture Museum in 1988.
« Last Edit: May 11, 2019, 05:08:15 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #127 on: May 12, 2019, 06:46:13 PM »
Rutan Defiant

The Rutan Model 40 Defiant is a four-seat,twin-engine aircraft with the engines in a push-pull configuration.
The prototype Defiant, N78RA, was first flown on 30 June 1978.It had been intended as a proof-of-concept of a very safe light twin design, requiring little trim change and no pilot action in case of engine failure,and with good single engine performance.

In 1979 the Rutan Aircraft Factory announced they would proceed with certification of a Defiant-based light twin.Adequate financing was not secured for this project,and the design was modified for homebuilt construction as the Model 74.

Powerplant is 2 × Lycoming O-320,of 160 hp each,giving a max speed of 210mph.The Defiant is built using fiberglass layup over Styrofoam core shapes in the same manner as the Rutan VariEze. The main gear is fixed, and there are no flaps. The Propellers are fixed-pitch non-feathering.176 sets of plans were purchased before RAF discontinued selling them in 1985.Nineteen are registered with the FAA as of 2005.
« Last Edit: May 12, 2019, 06:46:40 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #128 on: May 13, 2019, 05:40:12 PM »
Rutan Model 72 Grizzly

The Rutan Model 72 Grizzly is a tandem-wing STOL research aircraft.
It is a composite-construction aircraft featuring three lifting surfaces:A front wing with approximately half the span of the main wing and a classical cruciform empennage. Front and main wings are connected by a pair of struts with square cross-section which also serve as fuel tanks.Both wings carry flaps on part of their span for STOL.

The Grizzly is intended for use as a bush plane with unique safety and comfort, the four-seater could be used by two persons as a camper for back-country activities with its seats folded to become a 6 ft long bed. A planned amphibian version of the Grizzly was never realized.

The unusual undercarriage has four low-pressure,small-diameter main-wheels,on two cantilever spring struts,with a spring mounted tail-wheel assembly.The four-seat cabin is completely enclosed with a combination of flat, squared and outward-bulged tear-drop shaped windows.It`s first flight was on 22 January 1982 and lasted over two hours.
Powerplant is 1 × Lycoming O-360B 4-cylinder air-cooled horizontally-opposed piston engine,180 hp.
After completion of testing the Grizzly was donated to the EAA AirVenture Museum, Oshkosh in 1997
« Last Edit: May 13, 2019, 05:41:13 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #129 on: May 14, 2019, 06:40:03 PM »
Republic P-43 Lancer

The Republic P-43 Lancer was a single-engine,all-metal,low-wing monoplane fighter,first delivered to the United States Army Air Corps in 1940.
The Seversky Aircraft Company,which in 1939 changed its name to Republic,constructed a range of private venture,one-off variants of its P-35 design,featuring different powerplants and enhancements,from which the P-43 was derived.

The YP-43 prototype was powered by an R-1830-35 14-cylinder air-cooled radial engine with a General Electric B-2 turbo-supercharger generating 1,200 hp and driving a three-blade variable-pitch propeller.Armament consisted of two synchronized .50 in (12.7 mm) machine guns in the cowl and a single .30 in (7.62 mm) machine gun in each wing.

The first of 13 YP-43s was delivered in September 1940, the last in April 1941.Early testing revealed a strong tendency to yaw during takeoff and landing rolls,fixed by redesigning the tailwheel.Although the aircraft exceeded the initial USAAC performance requirements,by 1941 it was clearly obsolete.The USAAC felt the basic P-35/P-43 design had run it`s course for further improvement in performance and shifted its interest to the new promising P-47.

Due to delays with the P-47,it was decided to order 54 P-43s to keep the Republic production lines operating. An additional 125 P-43A-1s were ordered for China through the Lend-Lease program, originally intended to equip the Third American Volunteer Group (AVG). These initially differed in the Air Materiel Command specification from earlier P-43s in being armed with two 0.50 in machine guns in each wing and no fuselage guns, and having basic armor and fuel tank protection.By 1942, a total of 272 P-43s were built, including all its variants, a remarkable number considering the original intention was to not build any.

The Lend-Lease aircraft were delivered to China through Claire Chennault's American Volunteer Group, the Flying Tigers.The P-43 performed poorly in combat in the hands of the Chinese Air Force against Japan due to its great vulnerability;it was replaced by other types in early 1944. 
The aircraft that were not sent to China were modified for photo-reconn duties or training.Eight P-43s (four P-43A-1s and four P-43Ds) were loaned to the Royal Australian Air Force in 1942 and served with No. 1 Photo Reconnaissance Unit.The RAAF flew many long range, high-altitude photo reconnaissance missions before the six survivors were returned to the USAAF in 1943.
« Last Edit: May 14, 2019, 06:41:37 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #130 on: May 15, 2019, 08:47:47 PM »
Republic XF-12 Rainbow

The Republic XF-12 Rainbow was a four-engine, all-metal prototype reconnaissance aircraft designed in the 1940`s.
The proposal was for a reconnaissance aircraft which included a requirement for speed (400 mph), ceiling (40,000 ft), and range (4,000 nmi).It`s primary objective was for high-speed overflights of the Japanese homeland and key enemy installations.During World War II, due to the extended range requirements of operating in the Pacific, existing fighters and bombers were being used for missions for which they were never intended. The need existed for an aircraft specifically designed for the photo-reconnaissance mission with adequate speed, range, and altitude capabilities for its missions to be successful.

The XF-12's first flight was made on 4 February 1946.During the flight testing and development period,it demonstrated the capability of operating at 45,000 feet (14,000 m), at a speed of 470 mph (760 km/h), over a range of 4,500 mi (7,200 km), so it met and exceeded the design goals for which it had been designed.
It was powered by four of the new Pratt & Whitney R-4360-31 Wasp Major 28-cyl. four-row air-cooled radial piston engines,of 3,250 hp each.
The original design called for contra-rotating propellers,due to the added complexity and reliability issues,the propellers were never installed.The aircraft used standard four-bladed Curtiss Electric propellers for all flights.

The USAF canceled the entire XF-12 program in late 1948.The primary reason for its demise was the availability of both Boeing B-29 Superfortress and B-50 types to meet the long-range photo-reconnaissance requirement.
Republic had intended to also build an airline version of the aircraft to be known as the RC-2.This variant was supposed to be a "stretched" version of the XF-12, growing in length from 93 ft 9 in to 98 ft 9 in, with the addition of a fuselage "plug" in front of the wing.Also the complex Plexiglas nose section was supposed to be replaced with a solid metal nose,changes to the engines and superchargers were also included in the civil design.

Had the XF-12 Rainbow been available in 1944,it almost inevitably would have been ordered in quantity,and along with its civilian counterpart, the whole postwar structure of aircraft markets might have been altered. As it was, the XF-12 disappeared into oblivion, despite its graceful lines and high performance.
It`s high speed, near-perfect streamlined form, and neatly cowled engines make it a design classic, often unappreciated, and not very well known. The XF-12 was the fastest, four engine pure piston-powered aircraft of its day, and the only one ever to exceed 450 mph in level flight.
« Last Edit: May 15, 2019, 08:48:06 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #131 on: May 16, 2019, 08:40:02 PM »
Republic XF-84H Thunderscreech

The Republic XF-84H "Thunderscreech" was an experimental turboprop aircraft derived from the F-84F Thunderstreak. Powered by a turbine engine that was mated to a supersonic propeller, the XF-84H had the potential of setting the unofficial air speed record for propeller-driven aircraft.
The USAF Wright Air Development Center was the key sponsor of the Republic Project 3347 turboprop fighter, the initial inception came from a U.S. Navy requirement for a carrier fighter not requiring catapult assistance.Originally known as XF-106,the project and its resultant prototype aircraft were redesignated XF-84H.

A projected contract for three prototypes was scrubbed when the US Navy cancelled its order,the remaining XF-84H prototypes became pure research aircraft built for the Air Force’s Propeller Laboratory at Wright-Patterson AFB to test supersonic propellers.
The XF-84H was created by modifying a F-84F airframe, installing a 5,850 hp Allison XT40-A-1 turboprop engine in a centrally-located housing behind the cockpit with a long extension shaft to the nose-mounted propeller.The turbine engine also provided thrust through its exhaust; an afterburner which could further increase power to 7,230 hp was installed but never used.

It was destabilized by the powerful torque from the propeller, as well as inherent problems with supersonic propeller blades. A number of exotic blade configurations were tested before settling on a final design.
First flown on July 22, 1955, the XF-84F had incredible acceleration but soon its impracticality was discovered.It was unsuited to combat due to the engine's 30 minute warm up time but the most serious concerns were vibration generated from the 12-foot propeller diameter and mechanical failures of the prop pitch gearing.

Lin Hendrix, one of the Republic test pilots assigned to the program, flew the aircraft once and refused to ever fly it again, claiming "You aren't big enough and there aren't enough of you to get me in that thing again".Test pilot Hank Beaird took the XF-84H up 11 times, with 10 of these flights ending in forced landings.

The XF-84H was almost certainly the loudest aircraft ever built, earning the nickname "Thunderscreech" as well as the "Mighty Ear Banger".On the ground "run ups", the prototypes could reportedly be heard 25 miles away.Unlike standard propellers that turn at subsonic speeds, the outer 24–30 inches (61–76 cm) of the blades on the XF-84H's propeller traveled faster than the speed of sound even at idle thrust.The aircraft was notorious for inducing severe nausea and headaches among ground crews.In one report, a Republic engineer suffered a seizure after close range exposure to the shock waves emanating from a powered-up XF-84H.

Engine and equipment failures coupled with the inability to reach design speeds and subsequent instability experienced were insurmountable problems, the USAF cancelled the program in September 1956.
« Last Edit: May 16, 2019, 08:41:18 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #132 on: May 17, 2019, 06:16:27 PM »
Taylorcraft F-19 Sportsman

The Taylorcraft Model F-19 Sportsman is a two-seat cabin monoplane designed and built by Taylorcraft Aircraft as the first new product of the reformed Taylorcraft Aviation Company.

C.G. Taylor and his brother formed the Taylor Brothers Aviation Corporation in 1929,it had produced several thousand light single-engines by the time it went bankrupt in 1946. It emerged in 1947 as Taylorcraft Inc. and produced light airplanes until 1958, when it ceased production.
In 1968 a new company, Taylorcraft Aviation Corporation, was formed, primarily to provide support for the thousands of airplanes still operational.

In 1973 the company geared up to produce an updated Taylorcraft B, now named the Model F-19 Sportsman.It was similar to the Model B but incorporated more power,and better performance.Production continued until early 1980, when the company chose to switch to the higher-powered Model F-21.
Powerplant was 1 × Continental O-200 of 100 hp,giving a max speed of 127mph and a cruise speed of 115mph with a range of 400 miles.
« Last Edit: May 17, 2019, 06:17:40 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #133 on: May 21, 2019, 03:31:37 PM »
Due to a line fault, I have had no tinterweb since Saturday morning, 3x KN vans just away after much fiddling and gadget testing.

Hopefully normal service will resume shortly.

Offline Angry Turnip

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Re: The slightly less well known
« Reply #134 on: May 21, 2019, 05:38:47 PM »
Taylorcraft Ranch Wagon

The Taylorcraft Model 20 Ranch Wagon was a four-seat cabin monoplane designed as a development of the earlier experimental Model 18.
It`s construction  was  of moulded fibreglass over a tubular framework.It had a conventional landing gear and powerplant was a nose-mounted 225 hp Continental O-470-J engine,which was sufficent to give a max speed of 160mph and a 150mph cruise.

It came in four main versions,

Model 20 Ranch Wagon   Utility model powered by a 225hp Continental O-470-J engine.
Model 20 Zephyr 400      Tourer variant of 1958 with detailed changes from the basic Model 20.
Model 20AG Topper        Agricultural variant. Chemical hopper or tank in rear of cabin.
Model 20 Seabird            Floatplane variant.

Approx 40 were built.
« Last Edit: May 21, 2019, 05:40:47 PM by Angry Turnip »

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Re: The slightly less well known
« Reply #135 on: May 22, 2019, 09:20:27 PM »
VanGrunsven RV-1

The RV-1 is a Stits Playboy that was constructed with modifications by Richard VanGrunsven.The aircraft was the first of a series of Van's aircraft that became popular homebuilt aircraft.

The first RV-1 was a Stits SA-3A completed on 3 October 1965.It is a single seat strut-braced, low-wing aircraft with conventional landing gear. The engine was upgraded from the normally-fitted 65 hp powerplant to a 125 hp Lycoming O-290G.The resulting aircraft had good performance,but a high landing speed.On 16 August 1965,the aircraft was registered as an RV-1.

Other modifications included a new aluminum wing with flaps,and a bubble canopy.The fuselage uses welded steel tube construction in contrast to the RV series that followed which uses all-aluminum fuselage construction.The flaps reduced the stall speed to 50 mph. A second series of modifications included a more streamlined cowling, wheel pants and modified horizontal tail surfaces.

Offline Angry Turnip

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Re: The slightly less well known
« Reply #136 on: May 23, 2019, 06:23:31 PM »
Van's Aircraft RV-9

The Van's RV-9 and RV-9A are two-seat, single-engine, low-wing homebuilt airplanes sold in kit form.The RV-9 is the tail-wheel equipped version while the RV-9A features a nose-wheel.

The RV-9 was designed from the start as a two-seater, side-by-side, touring aircraft and as such it forgoes the aerobatic capabilities and the lighter handling for more stability and economy.Design horsepower is 118-160 and the prototype was flown with a Lycoming O-235 powerplant of 118 hp as a proof-of-concept.
Compared to the similar RV-7, the RV-9 has a wing of increased span and higher aspect ratio using a Roncz airfoil. The RV-9 has a slow stall speed, and docile handling suitable for low-time pilots.Cruise speed is 167 mph even with the 118 hp engine.

The RV-9 is unique in Van’s aircraft history in that the tricycle gear RV-9A version was flown first on June 15, 2000, three years before the tail wheel version flew. The later conventional landing gear equipped RV-9 was first flown by its designer in 2002. The RV-9A features solid circular spring steel landing gear, the aircraft is steered with differential braking.

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Re: The slightly less well known
« Reply #137 on: May 24, 2019, 07:29:53 PM »
Viking SF-2A Cygnet

The Viking SF-2A Cygnet, also called the Sisler SF-2A Cygnet and the HAPI SF-2A Cygnet, is a STOL amateur-built aircraft,designed by Bert Sisler and produced by Viking Aircraft LLC.The aircraft is supplied in the form of plans for amateur construction.

It is a development of the earlier Sisler SF-2 Whistler introduced in 1973.The design features a strut-braced shoulder-wing, a two-seats-side-by-side configuration enclosed cockpit under a bubble canopy, fixed conventional landing gear and a single engine in tractor configuration.
The aircraft's recommended engine power range is 60 to 82 hp and standard engines used include the 82 hp Volkswagen four-stroke powerplant.Construction time from the supplied kit is estimated as 1700–1800 hours.The aircraft is made from wood, 4130 steel tubing and covered in doped aircraft fabric.

In July 2016 a total of 19 SF-2A Cygnets were registered in the US with the FAA,four with Transport Canada and seven with the CAA in the United Kingdom.
« Last Edit: May 24, 2019, 07:30:41 PM by Angry Turnip »

Offline Angry Turnip

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Re: The slightly less well known
« Reply #138 on: Yesterday at 06:32:04 PM »
Vought FU-1 / FU-2

The Vought FU was a biplane fighter aircraft in service with the USN during the late 1920s.
 
In 1926 the Navy gave Vought a contract for 20 convertible land/sea fighters.Vought already had a two-seat observation plane, the UO-1, basically a VE with additional fuselage streamlining and a Wright J-3 radial engine.This was made into a fighter by closing one cockpit and adding machine guns, and upgrading to a 220 hp Wright R-790 Whirlwind with a supercharger.
The newly designated FU-1 was able to reach a speed of 147 mph at 13,000 ft.

The FU-1s were delivered to VF-2B based in San Diego, California.One was assigned to each of the battleships of the Pacific Fleet, where they were launched from catapults. They spent eight months in this role, but as the squadron went to aircraft carrier operations, the further-aft cockpit proved to have a visibility problem when maneuvering around a carrier deck.In response,the forward cockpit was re-opened,the resulting aircraft being designated FU-2.

As well as the USN,the Peruvian Air Force and Navy operated two aircraft each.Twenty aircraft were built in total.
« Last Edit: Yesterday at 06:33:06 PM by Angry Turnip »