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The_Sprinklez
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 3:42 pm
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Oscia, Sachs Sa. 28 "Uhu" (Owl)

The Sachs Sa. 28, known as the “Uhu”, was an Oscian transonic jet fighter aircraft. Produced by Sachs Flugzeugwerke, the Sa. 28 was the first transonic Oscian jet fighter to see service, and was the first Oscian jet fighter able to compete with Provinskian designs, such as the Ko-14, in a dogfight.

Development of the Sa. 28 began as early as 1945, when the newly formed Oscian Air Force sent out a request for an aircraft to replace it’s earlier jet fighters, notably the Bosch Bo. 57, which had proven to be a poor aircraft. The first prototype aircraft, the sole Sa. 27X, first flew in 1946 but was unable to reach the performance required to meet the Oscian Air Force requirements. After a redesign, the improved Sa. 28X was rolled out in late 1947 and incorporated a few notable features, including a swept wing. Using a J47 turbojet engine, the aircraft was able to attain speeds in excess of 600 mph in level flight, and easily met the required specifications. An initial order for 250 such aircraft, now designated Sa. 28A-1, was placed in early 1948 with the first deliveries taking place in 1949.

When the 1st Peninsular War kicked off in 1950, the first operational squadron (32nd Fighter Interceptor Wing) was sent to the front. Showing great promise and easily out-performing other Oscian aircraft in-theatre, another three Squadrons were rushed into combat by late 1950. It became apparent that even though it could out-perform other Oscian aircraft, it still struggled against the opposing Ko-14s and the first two squadrons of Sa. 28A-3s with an all-moving tailplane were sent to the front, arriving in late 1952. The A-3s showed much improved handling and soon racked up kills.

During the 1st Peninsular War, the Oscian Aircraft requested a modified variant of the Sa. 28A-4 with a pair of 20mm cannons replacing it’s four .50 caliber machine guns. Designated the Sa. 28B, it entered service too late to see service in the war. Also ordered was an up-engined model using the new J73 afterburning turbojet, designated the Sa. 28C-1. Entering service in 1954, it was capable of speeds in excess of 700 mph in level flight, with some pilots reporting supersonic performance in a dive. The Sa. 28C replaced the A and B models in service, with 300 in service by 1956. Over half of the 300 Sa. 28Cs in service were the C-2 model, with a full radar suite for night and poor-weather combat. Due to the introduction of the Sachs Sa. 50 in 1954, the Oscian Air Force now had true supersonic capability, and by 1959 most Sa. 28 models were relegated to rear line duty. The Sa. 28C was in combat service with the Oscian Air Force Reserve until 1971, and some aircraft would survive into the early 1980s as target drones.

Another variant, the Sa. 28D-1, was conceived in 1953 following the 1st Peninsular War. The Oscian Air Force, pleased with the performance of the Sa. 28A, requested a modified variant with strengthened wings to accommodate additional underwing stores for Fighter-Bomber missions. 15 D-1 models were produced, seeing limited post-conflict service. All were retired by 1960.

Sa. 28A-1

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Sa. 28 Variants

Production Variants
Sa. 28X
First three prototypes, flying between 1947 and 1951 in testing roles.
Sa. 28A-1 and A-2
First production variants
Sa. 28A-3 and A-4
Second production variants, all moving tailplane and additional improvements
Sa. 28B
Modified A-3/A-4 with 2x20mm Cannons
Sa. 28C-1
Improved Sa. 28 with J73 Afterburning Turbojet
Sa. 28C-2
Sa. 28C-1 with nose radar
Sa. 28D
15 Prototypes procured with strengthened wings and additional underwing hardpoints.
Sa. 28E
Export only model based on the Sa. 28A-1, with a smaller engine and different fittings including a 37mm cannon.
Sa. 28Aus.
Two-seat transonic trainer variation of the Sa. 28C.
Sa. 28Auf.
Single seat reconnaissance conversion of the Sa. 28C, equipped with radar warning receivers, a drogue chute, and powerful antenna array for radio eavesdropping.

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Schemes in Oscian Use

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Selection of Foreign Use Schemes
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Production Numbers
Sa. 28X - 3
Sa. 28A-1 and A-2 - 257 (46 for export, 211 for Oscia)
Sa. 28A-3 and A-4 - 752 (119 for export, 633 for Oscia)
Sa. 28B - 13 (10 Exported after testing, 3 retained for further evaluation until 1957)
Sa. 28C-1 - 544 (105 exported in 1964 after Oscian use)
Sa. 28C-2 - 391 (All Oscian, operated until 1971)
Sa. 28D-1 - 15 (12 exported after testing, 3 retained and scrapped in 1959)
Sa. 28E - 627 (Exported to various nations. 25 retained as aggressors into the 1980s)
Sa. 28Aus - 25 (Operated solely by Oscia from 1954-1959)
Sa. 28Auf - 5 (All Oscian, operated from 1957-1971)





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Rodondo
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 4:13 pm
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AR387

Designed under contract by the Horten Brothers, final refinement and actual production models were done by ARADO which won the contract to provide a series of heavy fighter squadrons to the Kriegsmarine for a new class of carriers. The AR387 was difficult aircraft to learn in but would reward experience with good rates of climb as well a strong TWR which allowed for heavier takeoffs. Entering service 1951, it boasted many novel features like double folding wings, concealed arrestor hook, mixed guns and a FU281 radar array in the leading edges of the folding wings. This novelty came at a cost, maintenance was a constant fix of the AR387's service life from 1951 to 1958, the double wings alone required a plethora of locks, hydraulics and hinges, not to mention risk to losing power to the FU281 while unfolding. 97 examples were made, 8 of which were frame losses during service.

General characteristics

Crew:1
Length: 9.5 m (9.55 m folded)
Wingspan: 17.6 m (9.64 m folded)
Height: 2.53 m (2.85 m folded)
Empty weight: 6,110 kg
Max takeoff weight: 8920 kg
Powerplant: 2 × BMW 004b afterburning turbojet engines, 25.8 kN (2,000 lbf) thrust each (dry)
Performance

Maximum speed: 980 km/h
Cruise speed: 820 km/h
Never exceed speed: 1050 km/h
Thrust/weight: 0.87 (dry) 0.59 (max weight)
Range: 2100km
Combat Range: 980km
Armament
Guns: 2 MK108 Cannon 30mm, (70 rounds each)(interior pair) 2 MG151/20 Cannon 20mm (280 rounds each)(exterior pair)
Payload: 2x Ruhrstahl X-4 with droptanks, 2x 37mm gunpods. 2x 250kg bombs, 4x R4M rocket racks (8 each)
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Last edited by Rodondo on December 9th, 2019, 11:39 pm, edited 1 time in total.

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Gollevainen
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 5:18 pm
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Initially I had planned to do the usual different variants and some weird export things but I decided that quantivity doesen't replace quality. So will let the basic variant of this fighter speak for itself. (More info will be given in the upcomming Far Eastern Republic Revisited thread)

Timokhin Burya:

Burya was the VS-NRF awnser to the sweptwing fighter race and was developted specially for naval service. It featured low-mounted swept wings with airintakes in the wingroots and short and stubby overall appearance. It rather large wing-area gave it excelent manuverability altough it was slightly inferior in speed compared to contempory designs. Initial units were simple dayfighters but later units introduced radar. Altough VS-NRF did not take part on the People's Volunteer Army air operations, Burya variants did see limited combat in various skirmishes agaist Chinese Republic air units.

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Muscatatuck
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 7:09 pm
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The callous report from Archibald Hill was a forewarning of approaching events for the fall of 1940, as that September the CPR Liner Duchess of Richmond was sunk south of Greenland with he precious cargo, the Tizard Mission. With the majority of the Aeronautical Research Committee who were optimistic in getting the U.S. to cooperate in research and development of new and upcoming technologies, it was not until 1942 that with rumors of British and German jet fighters that the U.S.A.A.F. puts forth significant steps towards jet aircraft. One of the companies contracted to provide a working turbojet demonstrator was Birman Industries. Birman had previously worked with the navy on turbocharger work on U.S.N. F4U and F6F fighters, however these installations proved troublesome and no serial production commenced. Rudolph Birman's work with gas turbines though his turbocharger work and General Electric being swamped in supercharger and turbocharger production resulted in Birman to be one of 4 companies to be provided war weary air frames in hope these obsolete aircraft designs could be brought back to the for front while minimize retooling of factories. Birman's turbojet consisted of a mixed flow compressor follow by a radial compressor feeding a rear single combustion chamber which served two fold, it simplified construction while reducing parts count but also made inspection and servicing the hot section easier, however this meant the jet efflux had to be turned 180 degrees to produce useful thrust. While the Birman turbojet suffered from significant head loss due to back pressure created by the notable plumbing aft of the turbines it meant it packaged quite will in the P-39 air frame. With the removal of radiator and altered oil cooler positioning, the P-39 required minimal changes to handle required mass flow through the wing leading edge, most notably merging of the once separate oil and coolant ducts and the new stand off heat shield for a short extant on the underside of the tail. No longer requiring the reduction drive train, the large nose volume allowed for four .50cal M3 Brownings and a single 20mm Hispano in the nose. The test flights while promising did not live up to Birmans claims and the low thrust of only 1,300lbf(5783N) troubled the program. Dissatisfied, the U.S.A.A.F. chose Westinghouse's axial turbojet instead even though it required a specially designed aircraft to accept the twin 2,100lbf engines: but, by the time the U.S.A.A.F. had given up on Birmans design, Birman had converted one of his three air frames to an acrylic bubble-top canopy. Birman would continue work on his turbojet eventually resulting in a 3,000 hp turboshaft for helicopters.

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Last edited by Muscatatuck on December 9th, 2019, 7:19 pm, edited 2 times in total.

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wb21
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 7:12 pm
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Basically an enlarged Hawker P.1048. Ran out of time to make a swept-wing version and further flesh out the series and all the worldbuilding surrounding it though.



The R-77F Soarer was a Zelgorian-made twin-engined jet fighter aircraft built by Rellian Aviation. Making its first flight in the fall of 1946, the aircraft—alongside the single-engined Wilson W-96F fighter—became one of the first truly successful jet-powered combat aircraft in Zelgora's air arms.

The R-77F was designed to fulfill the roles of the heavy fighter, such as air superiority, long-range escort, and ground attack; dedicated night fighter, reconnaissance, bomber interceptor, and fighter-bomber variants were later produced. The type also set a number of performance-related records for Terragrandian aviation in the late 1940s.

The R-77F entered service in 1947 with the Zelgorian Air Force, gradually replacing the service's piston-engined heavy fighters in the process. R-77Fs first saw combat in the 1954–57 insurgency in southern Zelgora and in the First Dashtyrine War of 1959–60; in 1952 it became the country's first fighter-sized aircraft to utilize nuclear weapons. As rapid advances in aviation technology swept through Terragrandia in the 1950s, the Soarer rapidly became obsolete and was soon relegated to the strike fighter role in most major air forces in the planet, serving until the mid-to-late 1960s. The R-77F was further developed in the early 1950s, materializing as the R-80F Super Soarer, which would become Zelgora's first ever fighter aircraft to reach supersonic speed in level flight. Some 3,100 R-77Fs of all variants were produced.

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Following operational experiences with the initial variant, Rellian rolled out the R-77F2 variant, the first to truly see mass production. This version had a tweaked aileron design to make way for wider, fully moving outboard flaps, as well as marginally improved Type 11A engines that gave some 5% improved fuel economy. The battery of 4 20 mm S-300 cannons was reduced to 3 guns (with ammunition capacity increased from 200 to 240 per cannon) to mitigate high nose weight; blast plates were fitted to the 30 mm K-540 cannons.

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The F3 model was the definitive version of the straight-winged Soarers. Entering service in 1950, this type featured an all-new tail resembling that of the Messerschmitt Me 262, a sleeker canopy, tweaked airbrake surface area, and for the first time, a radar-ranging gunsight. The R-77F3 effectively served as a stepping stone towards the R-77F4 variant, which finally had a swept-wing design (30° sweep); it entered service in early 1951. With its potential as a ground-attack aircraft, a fighter-bomber version of the R-77F3 was introduced in 1952 as the R-77FA—it was recognizable by its armored windscreen, armor protection on internal fuel tanks and cockpit, and lack of radome. This version had a new gun sight specially made for ground-attack duties, additional 30 mm ammunition, and radio sets for communicating with ground troops; owing to the increased weight it was slower compared to the standard fighter version.

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Specifications (R-77F1) 
 
Length: 14.258 m (46.78 ft)
Wingspan: 13.805 m (45.29 ft)
Maximum takeoff weight: 9,525.44 kg (21,000 lb)
Powerplant: 2× Whitesun Type 11 centrifugal-flow jet engines; 32.03 kN (7,200 lbf) thrust total
Speed
— Top speed at sea level: 1,054 km/h (655 mph, 569 kts)
— Top speed at 10,000 m (32,808 ft): 1,021 km/h (635 mph, 552 kts)
Range (internal fuel): 1,127 km (700 mi, 608 nmi)
Armament 
— Guns
· 4× 20×95 mm S-300 cannon (200 rounds each)
· 2× 30×178 mm K-540 cannon (100 rounds each)
— Hardpoints
· 2× outer underwing, 544.31 kg (1,200 lb) capacity each
· 1× fuselage, 1,043.26 kg (2,300 lb) capacity
cheers — wb21

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Armoured man
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 8:57 pm
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here is my very last minute entry, hopefully you'll enjoy it

Kawanishi Ki-220 Gekko

developed towards the end of the great Pacific conflict in the mid 1940s, Ki-220 was Japan's first combat capable jet fighter. the aircraft design was born out of the Imperial Japanese Army Air Service needs for a capable of high altitude Interceptor, however as the design phase of the aircraft continued and with the ultimate conclusion of the great Pacific conflict in 1947, the eventual design chosen was that of a aircraft that could comfortably fit the role of an interceptor and that of a traditional fighter, the first prototype flew on the 16th of January 1948 with the prototype managing to pass all expectations of its designers and and the air force itself
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the was first deployed with the the 122 Chutai of the 22nd sentai at Rumoi airbase in 1948, like many other aircraft the Ki-220 did suffer from teething troubles, of particular note was the fact that its front landing gear leg was found to be incredibly weak and if the pilot that landed the aircraft particularly hard, it was found that the leg could completely collapse, this was addressed in late 1949 with the Ki-220 ll model. the aircraft would also find its way into the hands of many other squadrons station for out the Japanese Empire, however with the rapid pace of jet technology the Ki-220 quickly found itself to be obsolete by newer jet powered Fighters coming into service, with this leading to the aircraft quickly being replaced in its fighter roll by newer and more powerful aircraft, however the aircraft would continue in various other roles and was found to be a very good ground attack aircraft and would go on to be used in this role until the early 1970s
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MrSinny
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 9th, 2019, 10:07 pm
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EEA Ereeta E-1

(Please note that due to a massively diverging timeline and universe, the technology allowing viable production and use of military jet aircraft appeared in the mid 1930s, near the end of this AU's Great War)

The Ereeta program began in 1947 in Edusa. Its roots can be traced back to Ministry of Armies Order 41-521 produced in 1941. Although still classified, it is widely known this was the beginning of jet age for Edusa. Until then, the Edusako Aire Armada was flying turboprops at best and quickly falling behind its neighbours' air forces. Of this order was born the PE-1, an experimental jet fighter which first appeared in the skies in 1944. It was extremely unsatisfying, barely able to rival the performances of propeller driven aircrafts of the end of the Great War. Still, it settled the cornerstone for the rise of the military jet industry in Edusa and a few years later, in 1946, a second prototype appeared, the PE-1/2. It was still using the same airframe as the PE-1 but the engines were significantly stronger thanks to reverse engineered Anderian powerplants and the change from straight to swept wings. The airframe however was now way too light to endure the significant speed and power increase, leading to the death of two test pilots and the loss of the two sole prototypes. This prompted the PE-1 program to be cancelled in September of 1946.

Not discouraged and despite pressures from Eusonia and Kerthenia to buy their equipment, the Ministry of Armies emitted Order 47-1522 in January of 1947 and thus began the Ereeta program which would concretise two years later with the PE-3 making its first flight from Peragenor AFB. This time the tests were successful, and the prototype showed performances rivalling the latest fighters from Kerthenia and Anderia. The government immediately ordered a pre-series batch of 15 aircrafts and in June of 1951, the first Ereeta E-1 were delivered to the 5th Interceptor Squadron of the EAA. There the jet remained in service throughout the 1950s and until the mid 1960s, being declined into several versions from trainers to carrier-born interceptors able to carry missiles and break the sound barrier until the Herensuge D3 came to replace it in the beginning of the 1970s. Over 250 planes were produced overall.
The Ereeta never saw active combat though it did fare quite well in various wargames against its foreign counterparts, taking advantage of its light frame and high speed for an aircraft.

Few Ereeta E-1 are still in flying condition today though the 1st Memorial Squadron sports three different models: a Ereeta E-1 M/2 as depicted below, a Ereeta T-6 M/6, a two seats training version of the Ereeta E-1 M/6 and a Ereeta E-1 M/7, the latest version, a two seats aircraft all weather interceptor. Various private pilots also own Ereetas in and out of Edusa though the exact number of surviving aircraft is unknown.

The Ereeta E-1 M/2 presented here is an upgrade over the first production model, changing the weaponry from two 20mm cannons to two 30mm cannons and gaining a targeting radar in the process. The weight excess was compensated by the installation of a new EEM-6 M/3 engine. It was also the first Edusan jet to bear the new iconic T21 camouflage seen on most military aircraft from said country nowadays.


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Ereeta E-1 M/2 characteristics:

Speed: 1086 km/h at sea level / 1101 km/h at 4000m
Service ceiling: 14,000m
Range: 1800 km
Powerplant: 1x EEM-6 M/3 turbojet, 28.5 kN thrust
Weight: 3.8 tons empty / 6 tons maximum take-off weight
Weaponry: 2x P46-30 30mm revolver cannon
Avionics: UP-1/P46 Targeting radar
Crew: 1

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Gollevainen
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 10th, 2019, 5:21 am
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Thanks for all the participants, the Submitions are now closed.

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Gollevainen
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 11th, 2019, 6:42 am
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Ok here is the form,
The poll will close sometime between 14th and 15th of December, and voting is allowed as long as its possible. Scores will be announced when they are ready.

https://docs.google.com/forms/d/e/1FAIp ... sp=sf_link

Ill hope you play fair this time, and after this creation experience, the next challenge will place some effort on the mass-statistical archiving.

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Coming next for 2021/22: Project 1143 complete redux: Pr1143.4 and 1143.4.2 & Preparations for Pr.61 Remakes



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Gollevainen
Post subject: Re: First Generation Jet Fighter -ChallengePosted: December 15th, 2019, 7:57 am
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Ok. The poll is closed, the scores counted:

[ img ]

The race was rather tight, whit top4 inside 12 points. The rather arbitary and completely random way people voted on the kitbashing factor section hits my eye, perhaps there is work to be done in this part. Without it, the top 6 would Still have been same but the differences between 1 and 2 and between 3 to 6 would have been in 1-2 point margins.

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Coming next for 2021/22: Project 1143 complete redux: Pr1143.4 and 1143.4.2 & Preparations for Pr.61 Remakes



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