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You are using an out modeps date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Consolidated-Vultee Flying Boat Projects. Thread starter Clioman Start date Nov 10, Joined Mar 8, Messages Reaction score 7.

The July issue of Air Trails magazine has an article on large-scale Models Of Flying Boats 02 flying models used for aerodynamic research. There are several images of a four-engine flying boat -- obviously if CVAC went to the expense of doing this, then it expected to build. The legend on the nose reads "8 [or 0] ". Does anybody recognize the flynig Joined Jan 28, Messages Lf score On page of Robert E. Bradley's Convair Advanced Projects there is a larger image of the above 21 foot wingspan model mounted on the front of a car for aerodynamic testing.

It was part of a Navy sponsored research program during the development of the Model 31 to test various hydrodynamic characteristics of full size aircraft. The Convair photo reference is T dated 16 April Thanks -- that's the same photo. I had cropped out the vehicle a real woody!

Joined Jun 25, Messages 13, Reaction score The photo obviously seems squeezed horizontally. I haven't been able to trace models of flying boats 10 Consolidated rlying flying boat projects on the forum, so I'm including them models of flying boats 10 first two images courtesy of Tophe, third one from an old company magazine � the text that came with it is reproduced below : Flying three hundred thousand pounds through the air at more than four miles per minute may seem fantastic but present design trends indicate that we may expect flying boats of this size and speed within the near future.

Larger and faster flying boats with long range and commodious passenger facilities for fast inter-continental transportation at lower cost. Our Engineering Department has made a study fling a flying boat based on characteristics of racing type seaplanes which have attained speeds of miles per hour. Making appropriate changes in size and improvements consistent with present f,ying knowledge the general appearance and performance of a large flying boat has been determined.

A moedls models of flying boats 10 of miles per hour with a cruising speed of miles per hour are attainable. One hundred and fifty passengers can travel in lf air liner amid luxurious facilities for recreation and traveling comfort. Extra-fare passengers can enjoy the privacy of staterooms while others will be provided with commodious pullman seats convertible to sleeping berths for overnight travel.

The state rooms and recreational boatd will be housed in the wing. The twin hulls will 100 a majority of the passengers and part of the crew of twenty, as well as tons of express and mail.

Fuel tanks in the outer wing panels will carry over 1 5, gallons of gasoline which will be sufficient for miles of flight.

The design of models of flying boats 10 twin hulls is based on the most advanced type tested by the National Advisory Committee for Aeronautics at Langley Models of flying boats 10, Virginia. This type gives very low water and air resistance. Each of the six 16 '4 foot propellers is driven by two 1 horsepower engines housed in the leading edge models of flying boats 10 the wing where they can be serviced in flight.

The streamlined structure supporting the propellers will contain the power plant accessories. The total combined output of the engines will models of flying boats 10 18, horsepower approximately half of which could be disconnected for servicing in flight. Although this design study was fliyng on light gasoline engine design, great strides are being made in Diesel engine development so that it is reasonable to believe that they also may be moddels for airplanes of this size.

The Diesel engine 100 give even greater efficiency resulting in lower cost of operation. A landing speed of miles per hour dependent upon loading will be obtained by the use of wing flaps and is considered entirely safe for a flying boat of this size. The application of twin hulls to this design permits a wider distribution of weight along the wing span with a corresponding reduction in wing weight.

An initial wing loading of 46 pounds per square foot will insure riding comfort hitherto unknown. Although the range of the airplane would permit circumnavigation of a storm area, it is not believed that the craft would be uncomfortable if driven through mild storms. Models of flying boats 10 loadings have successfully increased from 15 to 30 pounds per square Models Of Flying Boats Quality foot with increase in size of much smaller flying boats.

This increase in loading has been accompanied with increased comfort and therefore, models of flying boats 10 still further increase is logical especially for long range where a considerable change in weight occurs due to consumption of fuel. More technical data are accumulating daily toward the solutions of the problems accompanying the development of large aircraft. Devices for control of super-sized aircraft are rapidly being worked out so that great forward strides are inevitable.

Click to expand Twin-hull project, September Joined Jan 16, Messages 2, Reaction score I'm sure this goes in Postwar, but that twin-hull looks like his one from 01 Sep. More flying boat mode,s from Consolidated Aircraft, dated and Retracting-hull project, May boxts Trans-Oceanic Consolidator, January Pan Am project. And the projected commercial version of the Model 29 which wasn't yet called the Coronado flyng.

Top Flyimg. Senior Member. Joined Mar 11, Messages 8, Reaction score 1, Fflying, as having a "rather ugly nose" Convair Flying Boat Joined Aug 12, Messages Reaction score Great drawing Jemiba.

Joined May voats, Messages 27, Reaction score 4, Hi, also a twin hull flying boat from Consolidated-Vultee Convair during the WW2,maybe the source is from Scott's site,but I don't the direct link.

American Flying Boats and Amphibious Aircraft. Joined Feb 15, Messages Reaction score The XPB3Y-1 model 34 was the prototype of a long range flying boat for patrol and bombardment missions. A single example was ordered in April with serial but was subsequently cancelled in November Specifications: span: ', Same plan from the kf book, in flyinng better quality:.

Kf small. Joined Feb 17, Messages 1, Reaction score A windtunnel model of it is shown in Mr. Bradley's first book about the Convair advanced designs. This author also remarks that both Model 30 and Model 34 were used by Convair for this concept.

Beginning with '30' at the start of the development and later on changed into '34'. Post reply. Similar threads. Secret Early Aircraft Projects. Designation Systems. Started by Stargazer Mar 19, Replies: 8. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.

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The resulting aircraft would be large enough to carry sufficient fuel to fly long distances and could berth alongside ships to take on more fuel. Porte then designed a similar hull for the larger Curtiss H flying boat which, while larger and more capable than the H-4s, shared failings of a weak hull and poor water handling.

The combination of the new Porte-designed hull, this time fitted with two steps, with the wings of the H and a new tail, and powered by two Rolls-Royce Eagle engines, was named the Felixstowe F.

It was used as the basis for all future designs. Another seventy were built, and these were followed by two F. In February , the first prototype of the Felixstowe F.

It was larger and heavier than the F. Approximately Felixstowe F. The Felixstowe F. The prototype showed superior qualities to its predecessors but, to ease production, the production version was modified to make extensive use of components from the F. In they were towed on lighters towards the northern German ports to extend their range; on 4 June this resulted in three F.

Curtiss among others also built the Felixstowe F. Smaller than the Felixstowes, several thousand FBAs served with almost all of the Allied forces as reconnaissance craft, patrolling the North Sea, Atlantic and Mediterranean oceans. In Italy several seaplanes were developed, starting with the L series, and progressing with the M series. The Macchi M. The Austro-Hungarian firm, Lohner-Werke began building flying boats, starting with the Lohner E in and the later influential Lohner L version.

In September British company Supermarine started operating the first flying boat service in the world, from Woolston to Le Havre in France , but it was short-lived. Of the four that made the attempt, only one completed the flight. Before the development of highly reliable aircraft, the ability to land on water was a desirable safety feature for transoceanic travel.

In , the first successful commercial flying boat service was introduced with flights to and from the Channel Islands. The British aviation industry was experiencing rapid growth. The Government decided that nationalization was necessary and ordered five aviation companies to merge to form the state-owned Imperial Airways of London IAL.

IAL became the international flag-carrying British airline, providing flying boat passenger and mail transport links between Britain and South Africa using aircraft such as the Short S. The flight was considered proof that flying boats had evolved to become reliable means of long distance transport. In the s, flying boats made it possible to have regular air transport between the U. Foynes , Ireland and Botwood , Newfoundland and Labrador were the termini for many early transatlantic flights.

In areas where there were no airfields for land-based aircraft, flying boats could stop at small island, river, lake or coastal stations to refuel and resupply. The Pan Am Boeing "Clipper" planes brought exotic destinations like the Far East within reach of air travelers and came to represent the romance of flight. By , mail from Australia was reaching Britain in just 16 days � less than half the time taken by sea.

In that year, government tenders on both sides of the world invited applications to run new passenger and mail services between the ends of the British Empire , and Qantas and IAL were successful with a joint bid.

A company under combined ownership was then formed, Qantas Empire Airways. The new ten-day service between Rose Bay, New South Wales near Sydney and Southampton was such a success with letter-writers that before long the volume of mail was exceeding aircraft storage space. A solution to the problem was found by the British government, who in had requested aviation manufacturer Short Brothers to design a big new long-range monoplane for use by IAL.

Partner Qantas agreed to the initiative and undertook to purchase six of the new Short S23 "C" class or "Empire" flying boats. Delivering the mail as quickly as possible generated a lot of competition and some innovative designs. One variant of the Short Empire flying boats was the strange-looking " Maia and Mercury ".

It was a four-engined floatplane "Mercury" the winged messenger fixed on top of "Maia", a heavily modified Short Empire flying boat. This allowed the Mercury to carry sufficient fuel for a direct trans-Atlantic flight with the mail. Unfortunately this was of limited usefulness, and the Mercury had to be returned from America by ship.

The Mercury did set a number of distance records before in-flight refuelling was adopted. Sir Alan Cobham devised a method of in-flight refuelling in the s. In the air, the Short Empire could be loaded with more fuel than it could take off with. Short Empire flying boats serving the trans-Atlantic crossing were refueled over Foynes; with the extra fuel load, they could make a direct trans-Atlantic flight.

It had wing-like protrusions from the fuselage, called sponsons , to stabilize it on the water without the need for wing-mounted outboard floats. I giant flying boat, and perfected on the Dornier Wal in The enormous Do X was powered by 12 engines and once carried persons as a publicity stunt. It was the largest flying boat of its time, but was severely underpowered and was limited by a very low operational ceiling.

Only three were built, with a variety of different engines installed, in an attempt to overcome the lack of power. Two of these were sold to Italy. The Dornier Wal was "easily the greatest commercial success in the history of marine aviation".

Numerous airlines operated the Dornier Wal on scheduled passenger and mail services. Though having first flown in , from to Wals operated the over-water sectors of the Deutsche Luft Hansa South Atlantic Airmail service.

The military value of flying boats was well-recognized, and every country bordering on water operated them in a military capacity at the outbreak of the war.

They were utilized in various tasks from anti-submarine patrol to air-sea rescue and gunfire spotting for battleships.

They also sank numerous submarines and found enemy ships. BOAC continued to operate flying boat services from the slightly safer confines of Poole Harbour during wartime, returning to Southampton in Satisfied with the performance, 20 of the modified JRM-1 Mars were ordered.

The first, named Hawaii Mars , was delivered in June , but the Navy scaled back their order at the end of World War II, buying only the five aircraft which were then on the production line.

The five Mars were completed, and the last delivered in After World War II the use of flying boats rapidly declined for several reasons. The ability to land on water became less of an advantage owing to the considerable increase in the number and length of land based runways during World War II. Further, as the reliability, speed, and range of land-based aircraft increased, the commercial competitiveness of flying boats diminished; their design compromised aerodynamic efficiency and speed to accomplish the feat of waterborne takeoff and landing.

Competing with new civilian jet aircraft like the de Havilland Comet and Boeing proved impossible. The Hughes H-4 Hercules , in development in the U. The Spruce Goose , as the ton H-4 was nicknamed, was the largest flying boat ever to fly.

Carried out during Senate hearings into Hughes use of government funds on its construction, the short hop of about a mile at 70 ft above the water by the "Flying Lumberyard" was claimed by Hughes as vindication of his efforts. Cutbacks in expenditure after the war and the disappearance of its intended mission as a transatlantic transport left it no purpose.

In , the Royal Air Force began development of a small jet-powered flying boat that it intended to use as an air defence aircraft optimised for the Pacific, where the relatively calm sea conditions made the use of seaplanes easier.

By making the aircraft jet powered, it was possible to design it with a hull rather than making it a floatplane. The Saunders-Roe SR. However, by the end of the war, carrier based aircraft were becoming more sophisticated, and the need for the SR. The Sunderlands were particularly used for transporting salt, as their airframes were already protected against corrosion from seawater.

Transporting salt in standard aircraft risked rapid and severe structural corrosion in the event of a spillage. In addition, three Aquila Airways flying boats were used during the airlift.

The U. Navy continued to operate flying boats notably the Martin P5M Marlin until the late s. The Navy even attempted to build a jet-powered seaplane bomber, the Martin Seamaster. Bucking the trend, in Aquila Airways was founded to serve destinations that were still inaccessible to land-based aircraft.

The longest charter, in , was from Southampton to the Falkland Islands. The technically advanced Saunders-Roe Princess first flew in and later received a certificate of airworthiness.

Despite being the pinnacle of flying boat development none were sold, though Aquila Airways reportedly attempted to buy them. The shape of the Short Empire , a British flying boat of the s was a harbinger of the shape of 20th century aircraft yet to come. Today, however, true flying boats have largely been replaced by seaplanes with floats and amphibious aircraft with wheels.

The Beriev Be twin-jet amphibious aircraft has been one of the closest "living" descendants of the earlier flying boats, along with the larger amphibious planes used for fighting forest fires. The Canadair CL and successor Bombardier are examples of modern flying boats and are used for forest fire suppression. The Progressive Aerodyne Searey is an amphibious aircraft in the light-sport class, available as a kit built experimental or factory built aircraft.

PBY Catalina serving as an aerial firefighting plane. From Wikipedia, the free encyclopedia. Aircraft equipped with a boat hull for operation from water.

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Thus, keen to grow their share of this emerging market, British airline Imperial Airways was keen to expand and sought the latest technology to do so.

In particular, Imperial Airways' technical advisor, Major Robert Hobart Mayo developed a specification for a new type of aircraft to serve both passenger and freight requirements throughout the world. Early on, it was apparent that Short Brothers, who had previously developed and produced several large flying boats for Imperial Airways and the Royal Air Force RAF which had proven to be sound designs in terms of performance and safety, would be a frontrunner to fulfil the requirement.

A design team led by Arthur Gouge set about designing what would become the Empire. It was quickly determined that, in order to possess the sufficient clearance between the tips of the propellers and the water, the wing would need to be in a high mounted position; initially to be housed in a hump above the fuselage for sufficient height, the fuselage depth was instead increased, providing more internal volume than required but enabling a lighter and stronger integration of the cantilever wing with the fuselage.

At the time of development, the British aircraft industry had never attempted to construct an aeroplane of this size and complexity before; accordingly, many new techniques were devised to overcome problems encountered, particularly during its construction process. The second Empire and the first of the long-range models to be produced, G-ADHM , named 'Caledonia', performed her first flight on 15 September and was delivered to Imperial Airways on 4 December The S.

The first of the S. A total of four flying S. The concept was for the aircraft to take off at lower weights and, once airborne, take on extra fuel to reach an all up weight of 53, pounds 24, kg , giving the aircraft a range of over 2, miles 4, km. The extra fuel reduced the payload to 4, pounds 1, kg against the 6, pounds 2, kg of the standard aeroplane. The refuelling was performed by three converted Handley Page Harrow bombers, one operating out of Ireland and two out of Newfoundland.

In , Imperial Airways placed a further follow-on order for a modified model of the S. A substantial larger development of the Empire flying boat, effectively a new aircraft, was the S.

It was intended to be used for year-round services on the North Atlantic route. The Short Empire flying boat is a relatively clean-looking high-wing monoplane , initially powered by an arrangement of four wing-mounted Bristol Pegasus Xc radial engines which drove de Havilland -built variable-pitch propellers.

This allowed portions of the leading edge adjacent to the engines to be hinged forwards and used as platforms from which to maintain the engines. The Pegasus Xc engines could each produce horsepower kW on takeoff, decreasing to horsepower kW at an altitude of 3, ft.

Initial production aircraft were designed for a 40, lb 18, kg gross weight; however, by , many aircraft had been strengthened for an increased gross weight of 53, lb 24, kg.

The wings had a flush- riveted Alclad covering and featured both Frise-type ailerons and the internally-developed Gouge flaps , the latter of which were actuated by an electric motor connected via a gearing system and screw jacks , allowing the flaps to be lowered in 60 seconds and raised within 90 seconds. Elements of the leading edge of the wing, set upon either side of the engine nacelles, could be folded down to act as servicing platforms for both the engines and the floats , the latter Howes Models Boats Review of which were carried upon tandem struts fixed onto the main spar and featured shock absorbers in order to eliminate undue torsional loads being transmitted to the wings by the sudden impact of waves while travelling at speed.

The hull, which had adopted a radically new shape, employed mainly traditional construction methods at Shorts. The structure used a combination of 'Z'-shaped stringers and 'I'-shaped girders to form triangular sections that ran along the chines located at the point where the fuselage sides met with the planing underside.

The 17 ft 5. This office contained controls such as electrical fuseboxes and circuit switches, ventilation controls, and fuelcocks. Near the rear of the aircraft, a further compartment for the purpose of containing freight and mail was present which extended into the after fuselage.

The flying crew was seated in a spacious cockpit , also referred to as the bridge ; the captain and co-pilot were seated side-by-side while the radio operator sat behind the captain, facing rearwards.

While designed as civil aircraft, examples of the type would not only see military service but be specifically refitted for this purpose. In , two Empire flying boats � 'Clio' and 'Cordelia' returned to Shorts' Belfast facility, where they were modified with the addition of gun turrets in dorsal and rear positions and Air to Surface Vessel ASV radar equipment installed 1987 Alumacraft Boats Models on the top and sides of the fuselage.

More extensive military use was made of the Empire's sibling design, the Short Sunderland. On 8 February , one of the Empire flying boats, Castor , conducted the first regular flight, flying from Calshot , Hampshire , England to Alexandria , Egypt. On 5 July , the first crossing of the Atlantic by an Empire flying boat was conducted. On the same day, an American Sikorsky S flying boat flew the opposite direction.

On its return flight, conducted on 22 July , Caledonia flew the same route in the opposite direction in a time of 12 hours; in comparison to the competing Sikorsky S, the Empire was able to traverse the overall route faster.

Several more survey flights of the Atlantic were made by Caledonia and Cambria. In August , Cambria conducted the East-West flight in 14 hrs 24 min. In , Cavalier was shipped to Bermuda and, after reassembly, started a service between there and New York City on 25 May The Short Empire was designed to operate along the Imperial Airways routes to South Africa and Australia, where no leg was much over miles km.

After the design of the Empire had been finalised and production had commenced, it was recognised that, with some pressure from the United States, it would be desirable to offer a similar service across the Atlantic. The range of the S. Two boats Caledonia and Cambria were lightened and furnished with long-range tanks; both aircraft were used in experimental in-flight refuelling trials in order for them to conduct the journey; these modifications came at the cost of being able to carry fewer passengers and less cargo.

In an attempt to manage the Atlantic crossing, an alternative 'piggy-back' approach was trialled. This concept had been strongly advocated for by Imperial Airways' technical advisor, Major Robert Hobart Mayo, as a means of significantly increasing both range and payload, and had been well received by both the airline and the British Air Ministry , the latter of which placed an order with Shorts.

Together, they were known as the Short Mayo Composite. During wartime, there was interest in the concept using alternative land-based aircraft to deliver Hawker Hurricane fighter aircraft for aerial protection over the mid-Atlantic. After Italy entered the Second World War in June , it became impossible for mail to be safely flown between Britain and Egypt and thus onto Australia via the Mediterranean.

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