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Diels Engineering KIT #12 GRUMMAN F6F HELLCAT

KIT # 12. GRUMMAN F6F HELLCAT. WW2 US Navy fighter plane, 1/24 scale, 21.42" span, from the Model Builder Book "Flying Scale Models of WW2" from the 1970's. 4 color decals included.

Diels Engineering KIT # 12. GRUMMAN F6F HELLCAT
Wingspan: 21.42"
Class: Scale flying model
Building Skill / Flying Skill: Experienced / Experienced

[IMAGE The Grumman F6F Hellcat was a carrier-based fighter aircraft conceived to replace the earlier F4F Wildcat in United States Navy (USN) service. The Hellcat was an erstwhile rival of the faster Vought F4U Corsair for use as a carrier based fighter. However, the Corsair had significant issues with carrier landing that the Hellcat did not, allowing the Hellcat to become Navy's dominant fighter in the second part of World War II, a position the Hellcat did not relinquish. The Corsair instead was primarily deployed to great effect in land-based use by the U.S. Marine Corps.

Although the F6F resembled the Wildcat in some ways, it was a completely new design, powered by a 2,000 hp Pratt & Whitney R-2800, the same powerplant used for both the Corsair and the United States Army Air Force's (USAAF) Republic P-47 Thunderbolt fighters. Some military observers tagged the Hellcat as the "Wildcat's big brother".

The F6F was best known for its role as a rugged, well-designed carrier fighter which was able, after its combat debut in early 1943, to counter the Mitsubishi A6M Zero and help secure air superiority over the Pacific Theater. Such was the quality of the basic simple, straightforward design, that the Hellcat was the least modified fighter of the war, with a total of 12,200 being built in just over two years.

[IMAGE Hellcats were credited with destroying 5,223 aircraft while in service with the U.S. Navy, U.S. Marine Corps and the Royal Navy's Fleet Air Arm This was more than any other Allied naval aircraft. Postwar, the Hellcat was phased out of frontline service, but remained in service as late as 1954 as a night fighter.

The U.S. Navy much preferred the more docile flight qualities of the F6F compared with the Vought F4U Corsair, despite the superior speed of the Corsair. This preference was especially noted during carrier landings, a critical success requirement for the Navy, in which the Corsair was fundamentally flawed in comparison. The Corsair was thus released by the Navy to the Marine Corps who without the need to worry about carrier landings, used the Corsair to immense effect in land-based sorties. The Hellcat remained the standard USN carrier-borne fighter until the F4U series was finally cleared for U.S. carrier operations in late-1944 (the carrier landing issues had by now been tackled largely thanks to use of Corsair by the Royal Navy Fleet Air Arm). In addition to its good flight qualities, the Hellcat was easy to maintain and had an airframe tough enough to withstand the rigors of routine carrier operations. Like the Wildcat, the Hellcat was designed for ease of manufacture and ability to withstand significant damage. VF-82 Grumman F6F-5 ready for launch from USS Bennington off Okinawa in May 1945. The majority of the F6F-5s built were painted overall Glossy Sea Blue

[IMAGE The Hellcat first saw action against the Japanese on 1 September 1943 when fighters off the USS Independence shot down a Kawanishi H8K "Emily" flying boat. Soon after, on 23 and 24 November, Hellcats engaged Japanese aircraft over Tarawa, shooting down a claimed 30 Mitsubishi Zeros for the loss of one F6F. Over Rabaul, New Britain, on 11 November 1943, Hellcats and F4U Corsairs were engaged in day-long fights with many Japanese aircraft including A6M Zeros, claiming nearly 50 aircraft.

When trials were flown against a captured Zero Type 52, they showed that the Hellcat was faster at all altitudes. The F6F outclimbed the Zero marginally above 14,000 ft and rolled faster at speeds above 235 mph. The Japanese fighter could out-turn its American opponent with ease at low speed and enjoyed a slightly better rate of climb below 14,000 ft. The trials report concluded:

"Do not dogfight with a Zero 52. Do not try to follow a loop or half-roll with a pull-through. When attacking, use your superior power and high speed performance to engage at the most favourable moment. To evade a Zero 52 on your tail, roll and dive away into a high speed turn."

Hellcats were the major U.S. Navy fighter type involved in the Battle of the Philippine Sea, where so many Japanese aircraft were shot down that Navy aircrews nicknamed the battle "the Great Marianas Turkey Shoot". The F6F accounted for 75% of all aerial victories recorded by the U.S. Navy in the Pacific. Radar-equipped Hellcat night fighter squadrons appeared in early 1944. Sortie, kill and loss figures

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F6F-3K Unit: US Navy Serial: 7... This drone was used in Operation Crossroads, atom bomb tests at Bikini Atoll, July 1946. One would assume that the aircraft did NOT survive... Mostly because it was painted PINK...
U.S. Navy and Marine F6F pilots flew 66,530 combat sorties and claimed 5,163 kills (56% of all U.S. Navy/Marine air victories of the war) at a recorded cost of 270 Hellcats in aerial combat (an overall kill-to-loss ratio of 19:1 based on claimed but not confirmed kills). The aircraft performed well against the best Japanese opponents with a claimed 13:1 kill ratio against the A6M Zero, 9.5:1 against the Nakajima Ki-84, and 3.7:1 against the Mitsubishi J2M during the last year of the war. The F6F became the prime ace-maker aircraft in the American inventory, with 305 Hellcat aces. The U.S. successes were not only attributed to superior aircraft, but also from 1942 onwards, they faced increasingly inexperienced Japanese aviators as well as having the advantage of increasing numerical superiority. In the ground attack role, Hellcats dropped 6,503 tons (5,899 tonnes) of bombs.

The U.S. Navy's all-time leading ace, Captain David McCampbell USN (Ret), scored all his 34 victories in the Hellcat. He once described the F6F as "... an outstanding fighter plane. It performed well, was easy to fly and was a stable gun platform. But what I really remember most was that it was rugged and easy to maintain."

[IMAGE During the course of World War II, 2,462 F6F Hellcats were lost to all causes; 270 in aerial combat, 553 lost to anti-aircraft ground and shipboard fire, and 341 were lost to operational causes. Of the total figure 1,298 were destroyed in training and ferry operations, normally outside of the combat zones.

The F6F series were designed to take damage and get the pilot safely back to base. A bullet-resistant windshield and a total of 212 lb (96 kg) of cockpit armor was fitted, along with armor around the oil tank and oil cooler. A 250 gal (946 l) self-sealing fuel tank was fitted in the fuselage. Standard armament on the F6F-3 consisted of six .50 in (12.7 mm) M2/AN Browning air-cooled machine guns with 400 rounds per gun. A center-section hardpoint under the fuselage could carry a single 150 gal (568 l) disposable drop tank, while later aircraft had single bomb racks installed under each wing, inboard of the undercarriage bays; with these and the center-section hard point late model F6F-3s could carry a total bomb-load in excess of 2,000 lb (900 kg). Six 5 in (127 mm) HVARs (High Velocity Aircraft Rocket) could be carried; three under each wing on "zero-length" launchers.

[IMAGE Two night fighter sub-variants of the F6F-3 were developed: the 18 F6F-3E's were converted from standard-3s and featured the AN/APS-4 radar in a pod mounted on a rack beneath the right wing, with a small radar-scope fitted in the middle of the main instrument panel and radar operating controls installed on the port side of the cockpit. The later F6F-3N, first flown in July 1943, was fitted with the AN/APS-6 radar in the fuselage, with the antenna dish in a bulbous fairing mounted on the leading-edge of the outer right wing; approximately 200 F6F-3Ns were built. Hellcat night fighters claimed their first victories in November 1943. A total of 4,402 F6F-3s were built through until April 1944, when production was changed to the F6F-5. An early production F6F-5 being tested with eight 5 in. HVAR rockets.

[IMAGE The F6F-5 featured several improvements including a more powerful R-2800-10W engine, embodying a water-injection system and housed in a slightly more streamlined engine cowling, spring-loaded control tabs on the ailerons, and an improved, clear view windscreen, with a flat armored-glass front panel replacing the F6F-3's curved plexiglass panel and internal armor glass screen. In addition, the rear fuselage and tail units were strengthened, and, apart from some early production aircraft, the majority of the F6F-5's built were painted in an overall gloss sea blue finish. After the first few F6F-5s were built, the small windows behind the main canopy were deleted. The F6F-5N night fighter variant was fitted with an AN/APS-6 radar in a fairing on the outer-starboard wing. A small number of standard F6F-5s were also fitted with camera equipment for reconnaissance duties as the F6F-5P. While all F6F-5s were capable of carrying an armament mix of one 20 mm (.79 in) M2 cannon in each of the inboard gun bays (220 rounds per gun), along with two pairs of .50 in (12.7 mm) machine guns (each with 400 rounds per gun), this configuration was only used on later F6F-5N night fighters. The F6F-5 was the most common F6F variant, with 7,870 being built.

[IMAGE Other prototypes in the F6F series included the XF6F-4 (02981, a conversion of the XF6F-1 powered by an R-2800-27 and armed with four 20mm M2 cannon) which first flew on 3 October 1942 as the prototype for the projected F6F-4. This version never entered production and 02981 was converted to an F6F-3 production aircraft. Another experimental prototype was the XF6F-2 (66244), an F6F-3 converted to use a Wright R-2600-15, fitted with a Birman manufactured mixed-flow turbocharger, which was later replaced by a Pratt & Whitney R-2800-21, also fitted with a Birman turbocharger. The turbochargers proved to be unreliable on both engines, while performance improvements were marginal. As with the XF6F-4, 66244 was soon converted back to a standard F6F-3. Two XF6F-6s (70188 and 70913) were converted from F6F-5s and used the 18-cylinder 2,100 hp (1,567 kW) Pratt and Whitney R-2800-18W two-stage supercharged radial engine with water injection and driving a Hamilton-Standard four-bladed propeller. The XF6F-6s were the fastest version of the Hellcat series with a top speed of 417 mph (671 km/h), but the war ended before this variant could be mass-produced.

The last Hellcat rolled out in November 1945, the total production being 12,275, of which 11,000 had been built in just two years. This high production rate was credited to the sound original design, which required little modification once production was underway.

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