Tag Archives: Pratt & Whitney R-1830-86

24 August 1942

Captain Marion E. Carl, USMC, with a Grumman F4F-3 Wildcat. (U.S. Navy)

24 August 1942: Flying a Grumman F4F Wildcat, Lieutenant Marion Eugene Carl, United States Marine Corps, a 27-year-old fighter pilot assigned to Marine Fighter Squadron 223 (VMF-223) based at Henderson Field, Guadalcanal Island, shot down four enemy airplanes in one day. They were a Mitsubishi A6M “Zeke” fighter, a Mitsubishi G4M1 “Betty” medium bomber and two Nakajima B5N2 “Kate” torpedo bombers. Carl had previously shot down an A6M during the Battle of Midway, less than three months earlier. He now had five aerial combat victories, making him the Marine Corps’ first ace.

Captain Carl was awarded the Navy Cross (his second) for his actions in the Solomon Islands from 24 August to 9 September 1942.

Marion Carl’s fighter was a Grumman F4F-4 Wildcat, designed by Robert Leicester Hall as a carrier-based fighter for the United States Navy. The F4F-4 was a single-place, single-engine, mid-wing monoplane with retractable landing gear.

Grumman F4F-4 Wildcat. (U.S. Navy)

The F4F-4 was 29 feet, 9-3/8 inches (9.077 meters) long, with a wingspan of 38 feet, 0 inches (11.582 meters) and overall height of 12 feet, 1-3/8 inches (3.693 meters). Unlike the preceding F4F-3, the F4F-4 had folding wings for storage aboard aircraft carriers. With the wings folded, the airplane was 14 feet, 4 inches (4.369 meters) wide. Its empty weight was 5,895 pounds (2,674 kilograms), and the gross weight was 7,975 pounds (3,617 kilograms).

The F4F-4 was powered by an air-cooled, supercharged, 1,829.39-cubic-inch-displacement (29.978 liter) Pratt & Whitney Twin Wasp SSC7-G (R-1830-86) two-row, 14-cylinder radial engine with a compression ratio of 6.7:1. The R-1830-86 had a normal power rating of 1,100 at 2,550 r.p.m., from Sea Level to 3,300 feet (1,006 meters), and 1,000 horsepower at 2,550 r.p.m. at 19,000 feet (5,791 meters). It was rated at 1,200 horsepower at 2,700 r.p.m. for takeoff. The engine turned a three-bladed Curtiss Electric propeller with a diameter of 9 feet, 9 inches (2.972 meters) through a 3:2 gear reduction. The R-1830-86 was 4 feet, 0.19 inches (1.224 meters) in diameter, 5 feet, 7.44 inches (1.713 meters) long, and weighed 1,560 pounds (708 kilograms).

The F4F-4 had a maximum speed of 284 miles per hour (457 kilometers per hour) at Sea Level, and 320 miles per hour (515 kilometers per hour) at 18,800 feet (5,730 meters). Its service ceiling was 34,000 feet (10,363 meters).

While the F4F-3 Wildcat was armed with four air-cooled Browning AN-M2 .50-caliber machine guns, the F4F-4 had six. It carried 1,400 rounds of ammunition.

The prototype XF4F-1 made its first flight in 1935. It was substantially improved as the XF4F-2. The first production F4F-3 Wildcat was built in February 1940. The airplane remained in production through World War II, with 7,860 built by Grumman and General Motors Eastern Aircraft Division (FM-1 Wildcat).

According to the National Naval Aviation Museum, F4F Wildcats held a 9:1 ratio of victories over Japanese aircraft, with 1,006 enemy airplanes destroyed in combat.

Grumman F4F-3 Wildcat at Henderson Field
A Grumman F4F Wildcat at Henderson Field, Guadalcanal. There are 19 Japanese flags painted on the fuselage, suggesting that this is Major John L. Smith’s fighter. (U.S. Navy)

Marion Eugene Carl was born at Hubbard, Oregon, 1 November 1915. He was the second of four children of Herman Lee Carl, a dairy farmer, and Ellen Lavine Ellingsen Carl.

Carl graduated from Oregon State College at Corvallis, Oregon, and was commissioned as a second lieutenant in the United States Army Reserve, 31 May 1938. Lieutenant Carl soon resigned this commission to accept an appointment as an Aviation Cadet, United States Navy. He enlisted as a private, first class, Volunteer Marine Corps Reserve, 17 July 1938, and was designated a student Enlisted Naval Aviation Pilot assigned to the Naval Reserve Aviation Base, Squantum, Massachusetts. He entered flight school as an Aviation Cadet at Naval Air Station Pensacola near Pensacola, Florida, 26 July 1938.

Lieutenant Marion E. Carl, USMC, Naval Aviator. (U.S. Navy)

After completing flight training, Carl was commissioned as a Second Lieutenant, United States Marine Corps Reserve, 20 October 1939. He was then assigned to Marine Fighting Squadron One (VMF-1) at Brown Field, Quantico, Virginia.

In 1940, Lieutenant Carl returned to NAS Pensacola as a flight instructor. On 25 February 1941, Second Lieutenant Carl, U.S.M.C.R., was appointed a Second Lieutenant, United States Marine Corps.

Lieutenant Carl was transferred to VMF-221 at San Diego, California, as a fighter pilot. The unit was assigned to the aircraft carrier USS Saratoga (CV-3) for transportation to Marine Corps Air Station Ewa, Oahu, Territory of Hawaii. On 25 December 1941, VMF-221 was deployed to Midway Atoll.

Marion Carl and his squadron fought during the Battle of Midway. Flying a Grumman F4F-3 Wildcat, Bu. No. 1864,¹ on 4 June 1942, he shot down his first enemy airplane, a Mitsubishi A6M Zero fighter, and damaged two others. Lieutenant Carl was awarded the Navy Cross for his actions in that decisive battle.

Marion Carl was next assigned to VMF-223 under the command of Captain John L. Smith. The Marine fighter squadron was the first air unit to arrive at Henderson Field on the island of Guadalcanal in the Solomons, 20 August 1942. This was a critical airfield, originally built by the Japanese military but occupied by Allied forces. On 24 August, Lieutenant Carl became the Marine Corps’ first “ace.”

Carl was shot down in 9 September 1942 and was missing for five days. He was helped by islanders who eventually returned him to his base.

The squadron departed Guadalcanal 16 October 1942, and sailed to San Francisco, California. VMF-223 was credited with destroying 110½ enemy aircraft. Carl was credited with 16.

Lieutenant Carl married Miss Edna T. Kirvin at New York City, New York, 7 January 1943.

On 26 January, he took command of VMF-223. On 8 May 1943, Lieutenant Carl was promoted to the temporary rank of captain. The squadron was re-equipped with the new Vought-Sikorsky F4U-1 Corsair. Training in the new fighter took place at MCAS El Toro, in southern California.

In August, the squadron returned to combat in the Solomons. By the end of 1943, Major Carl’s total of enemy aircraft destroyed was 18½ with 3 damaged, making him the seventh highest-scoring Marine fighter pilot of World War II.

Major Marion E. Carl, USMC, commanding VMF-223 in 1943. The aircraft is a Vought F4U Corsair in which Carl shot down two enemy aircraft in December 1943. (U.S. Navy)

After the War Marion Carl was assigned as a test pilot at NAS Patuxent River, Maryland, testing jet aircraft on aircraft carriers. He was also the first Marine Corps pilot to fly a helicopter. Carl commanded the Marine’s first jet squadron, VMF-122, which flew the McDonnell FH-1 Phantom. He was promoted to lieutenant colonel 7 August 1947.

In May 1955, Colonel Carl commanded Marine Photo Reconnaissance Squadron One (VMJ-1). The squadron flew the McDonnell FH-2 Banshee from air bases on the island of Formosa (Taiwan) on secret missions over the People’s Republic of China.

At Muroc Army Air Field (now Edwards Air Force Base) Marion Carl tested the Douglas D-558-I Skystreak and D-558-II Skyrocket, setting world records for speed and altitude. He was promoted to colonel, 1 October 1956.

Major Marion E. Carl, USMC, and Commander Turner F. Caldwell, Jr., USN, stand with the record-setting Douglas D-558-I Skystreak, Bu. No. 37970, on Muroc Dry Lake. (U.S. Navy)

By 1962 Colonel Carl was Director of Marine Corps Aviation. He was promoted to brigadier general, 1 June 1964. He commanded the First Marine Brigade during the Vietnam War and flew combat missions in jet fighters and helicopter gun ships.

Major General Marion E. Carl, United States Marine Corps.

Carl was promoted to major general in August 1967, with his date of rank retroactive to 1 June 1964. Carl commanded the 2nd Marine Aircraft Wing, then served as Inspector General of the Marine Corps from 1970 until 1973. When he retired in 1973, General Carl had accumulated more that 13,000 flight hours.

During his military career, Major General Carl was awarded the Navy Cross with two gold stars (three awards); The Legion of Merit with valor device and three gold stars (four awards); The Distinguished Flying Cross with four gold stars (five awards); and the Air Medal with two gold and two silver stars (twelve awards).

Tragically, General Carl was murdered in Roseburg, Oregon, 28 June 1998, as he defended his wife, Edna, during a home-invasion robbery. Mrs. Carl was wounded, but survived.

Major General Marion E. Carl, United States Marine Corps, is buried at Arlington National Cemetery.

A Mitsubishi A6M2 Model 21 "Zero" fighter takes off from an aircraft carrier of teh Imperial Japanese Navy.
A Mitsubishi A6M2 Type 0 Model 21 “Zero” fighter takes off from an aircraft carrier of the Imperial Japanese Navy. Marion Carl shot down one of these and damaged two others during the Battle of Midway, 4 June 1942. (Imperial Japanese Navy)
Mitsubisshi A6M3 Model 22 "Zeke" in the Solomon Islands, 1943. (Imperial Japanese Navy)
Mitsubishi A6M3 Type 0 Model 22 “Zeke” in the Solomon Islands, 1943. (This fighter is flown by Petty Officer 1st Class Hiroyoshi Nishizawa, one of the most successful fighter pilots of World War II.)  (Imperial Japanese Navy) 
A Mitsubishi G4M "Betty" takes off from Rabaul, 1942.
A Mitsubishi G4M1 Type 1 Model 11 “Betty” takes off from Rabaul, 1942.
Nakajima B5N Kate. Marion Carl shot down two of these light bombers, 24 August 1942.
Nakajima B5N2 Type 97 “Kate”. Marion Carl shot down two of these torpedo bombers, 24 August 1942.

¹ The fighter flown by Marion Carl to shoot down his first enemy airplane is often cited as Grumman F4F-3 Bu. No. 4000 (second bureau number series, 1935–1940). However, the entry in Carl’s certified pilot logbook for 4 June 1942 states the airplane he flew was F4F-3 Bu. No. 1864.

© 2017, Bryan R. Swopes

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7 April 1943

First Lieutenant James Elms Swett, United States Marine Corps Reserve. (U.S. Naval Institute)

The President of the United States takes pleasure in presenting the MEDAL OF HONOR to

FIRST LIEUTENANT JAMES E. SWETT
UNITED STATES MARINE CORPS RESERVE
 

for service as set forth in the following CITATION:

For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty, as a division leader in Marine Fighting Squadron TWO TWENTY-ONE in action against enemy Japanese aerial forces in the Solomon Islands Area, April 7, 1943. In a daring flight to intercept a wave of 150 Japanese planes, First Lieutenant Swett unhesitatingly hurled his four-plane division into action against a formation of fifteen enemy bombers and during his dive personally exploded three hostile planes in mid-air with accurate and deadly fire. Although separated from his division while clearing the heavy concentration of anti-aircraft fire, he boldly attacked six enemy bombers, engaged the first four in turn, and unaided, shot them down in flames. Exhausting his ammunition as he closed the fifth Japanese bomber, he relentlessly drove his attack against terrific opposition which partially disabled his engine, shattered the windscreen and slashed his face. In spite of this, he brought his battered plane down with skillful precision in the water off Tulagi without further injury. The superb airmanship and tenacious fighting spirit which enabled First Lieutenant Swett to destroy eight enemy bombers in a single flight were in keeping with the highest traditions of the United States Naval Service.

/S/ FRANKLIN D. ROOSEVELT

James Elms Swett was born at Seattle, Washington, 15 June 1920, the first of three children of George Elms Swett, an electrical engineer and U.S. Marine Corps reservist, and Nellie Emily Burns Swett. He gew up in San Mateo, California, where he attended San Mateo High School and the College of San Mateo. While in college, Swett learned to fly through the Civilian Pilot Training Program.

Swett enlisted in the United States Navy as a Seaman 2nd Class, 26 August 1941. He was assigned to flight training as an Aviation Cadet at NAS Corpus Christi, Texas. While in training, Sweet elected to serve as a U.S. Marine Corps officer. On completion of flight training, he was awarded the gold wings of a Naval Aviator and commissioned a Second Lieutenant, United States Marine Corps Reserve, 1 April 1942. He was then sent to MCAS Quantico for advanced training.

In July 1942, 2nd Lieutenant Swett was placed under arrest for a period of ten days for “diving and zooming over traffic” below 500 feet (152 meters), along U.S. Route 1. He was then transferred to an air station in Florida. Swett was next assigned to Marine Fighting Squadron 221 (VMF-221), Marine Air Group 21 (MAG-21), 1st Marine Air Wing, Fleet Marine Force. In March 1943, the squadron deployed from Hawaii to the South Pacific aboard the Bogue-class escort carrier USS Nassau (CVE-16), arriving at Espiritu Santo, New Hebrides, in late March. VMF-221 then flew on to Henderson Field, Guadalcanal, in the Solomon Islands.

Grumman F4F Wildcat fighters at Henderson Field, Guadalcanal, 1943.

On the morning of 7 April 1943, Lieutenant Swett led a four-plane flight of Wildcats on a patrol, then returned to refuel at Henderson Field. While his fighter, Grumman F4F-4 Wildcat, Bu. No. 12084, was being serviced, word came of a large group of enemy aircraft approaching from the north. Swett and his flight joined a number of other fighters to intercept the attacking enemy aircraft.

Near the Russell Islands, about 30 miles (48 kilometers) northwest of Guadalcanal, the American fighters came in contact with an estimated 150 enemy aircraft. Swett, in combat for the first time, quickly engaged three Aichi D3A Type 99 (American reporting name, “Val”) dive bombers. He shot them down. Becoming separated from his flight, he continued to engage the enemy, shooting down several more. His right wing was damaged by American anti-aircraft guns, but he continued. Having shot down seven Vals, he engaged an eighth. The Val’s gunner fired his two 7.7 mm machine guns in defense. By this time, Swett was running out of ammunition, but his final bullets killed the enemy gunner and set the Aichi on fire. But machine gun bullets from the Val damaged his windshield, punctured an engine oil cooler and set the Wildcat on fire.

Aichi D3A Type 99 dive bomber, Allied reporting name, “Val”. (San Diego Air and Space Museum Photo Archives)

Unable to make it back to Henderson, Swett ditched in the ocean near Tulagi. The airplane quickly sank. It was about 25 feet (7 meters) down before Swett was able to escape from the Wildcat’s cockpit. He was picked up by a U.S. Coast Guard patrol boat.  He had been slightly injured.

During only fifteen minutes, 2nd Lieutenant Swett destroyed seven enemy aircraft and damaged an eighth.¹ He had become an “Ace in One Day.”

This Grumman F4F Wildcat on the sea floor near Tulagi may be Lieutenant Swett’s F4F-4, Bu. No. 12084. (Dive PlanIt)

Swett was promoted to 1st Lieutenant and transitioned to the Chance Vought F4U-1 Corsair. He shot down four Mitsubishi G4M “Betty” twin-engine medium bombers and an A6M Zero, before being shot down again near New Georgia, 10 July 1943. He returned to combat in October, shot down two more Val dive bombers and a Kawasaki Ki-61 Hien Type 3 fighter, known to Allied forces as “Tony.”

During a ceremony held at Espiritu Santo, 10 October 1943, Major General Ralph Johnson Mitchell, commanding the 1st Marine Air Wing, presented First Lieutenant James Elms Swett, United States Marine Corps Reserve, the Medal of Honor.

In 1944, Captain Swett was returned to the United States, and was training with VMF-221 at MCAS Santa Barbara, California. He would meet President Franklin D. Roosevelt at the White House during the Spring.

While at Santa Barbara, Captain Swett met Miss Lois Aileen Anderson and they soon married. They would later have two sons, both of whom would go on to become Marine Corps officers.

After retraining in Southern California, VMF-221 returned to the War, assigned to the Essex-class aircraft carrier USS Bunker Hill (CV-17) in the western Pacific.

Chance Vought F4U-1D Corsair aboard USS Bunker Hill (CV-17), 6 May 1945. (U.S. Navy)

On the morning of 11 May 1945, Captain Swett was flying a combat air patrol in an F4U-1D Corsair, when the fleet was attacked by kamikaze suicide aircraft. Swett shot down a Yokosuka D4Y Suisei (“Judy”) dive bomber.

During this attack, Bunker Hill was hit by two successive kamikazes and suffered catastrophic damage. 346 men were killed in action, 43 missing in action and 264 wounded. The carrier would survive, but was out of action for the remainder of the war.

Unable to land aboard their carrier, Captain Swett organized the airplanes still airborne and led them to USS Enterprise (CV-6).

30 seconds after the first, a second Mitsubishi A6M Zero crashes into USS Bunker Hill (CV-17), 1005 hours, 11 May 1945. (U.S. Navy)

During World War II, Major Swett flew 103 combat missions. He is officially credited with 15.5 aerial victories.

Following World War II, Major Swett remained in the Marine Corps Reserve. In 1949, he took command of Marine Fighting Squadron 141 (VMF-141) at NAS Oakland. He was recalled to active duty during the Korean War, but was not sent to the war zone.

James Swett rose to the rank of Colonel. He retired from the Marine Corps in 1970.

In addition to the Medal of Honor, during his career in the Marine Corps, Colonel Swett was awarded the Distinguished Flying Cross with gold star (2 awards); Purple Heart with gold star (2 awards); Air Medal with 4 gold stars (5 awards); Navy Combat Action Ribbon; Presidential Unit Citation with 2 bronze stars (3 awards); Navy Unit Commendation Ribbon; Asiatic-Pacific Campaign Medal with 1 gold star and 1 silver star (6 campaigns); World War II Victory medal; and the Armed Forces Reserve Medal with silver hourglass device (20 years of service).

Colonel James Elms Swett, United States Marine Corps Reserve (Retired) died at Redding California, 18 January 2009, at the age of 88 years. He was buried at the Northern California Veterans Cemetery, Igo, California.

Major James E. Swett, United States Marine Corps Reserve

The Grumman F4F-4 Wildcat was a single-engine, single place mid-wing monoplane with retractable landing gear, designed for operations from United States Navy aircraft carriers. The wings could be fold alongside the fuselage for storage.

The F4F-4 was 28 feet, 10-5/8 inches (8.804 meters) long with a wingspan of 38 feet, 0 inches (11.582 meters) and height of 12 feet, 1-3/8 inches (3.693 meters). The Wildcat’s wing had 0° angle of incidence. The fixed, inner wing has 0° dihedral, while the outer wing panels have 5° dihedral. There is no sweep. The width of the airplane with its wings folded was 14 feet, 6 inches (4.420 meters). The fighter’s empty weight was 5,895 pounds (2,674 kilograms), and the gross weight, 7,975 pounds (3,618 kilograms).

Grumman F4F Wildcat, circa 1942-1943. (U.S. Navy)

The F4F-4 was powered by an air-cooled, supercharged, 1,829.39-cubic-inch-displacement (29.98 liter) Pratt & Whitney R-1830-86 (Twin Wasp SSC7-G) two-row, fourteen cylinder radial engine with a compression ratio of 6.7:1. The R-1830-86 was rated at 1,100 horsepower at 2,550 r.p.m. at 3,500 feet (1,067 meters), 1,000 horsepower at 2,550 r.p.m. at 19,000 feet (5,791 meters), and 1,200 horsepower at 2,700 r.p.m. for takeoff, burning 100-octane gasoline. The engine drove a three-bladed Curtiss Electric propeller with a diameter of 9 feet, 9 inches (2.972 meters) through a 3:2 gear reduction. The R-1830-86 was 5 feet, 7.44 inches (1.713 meters) long, 44 feet, 0.19 inches (1.224 meters) in diameter, and weighed 1,560 pounds (708 kilograms).

Maximum speed 275.0 at SL,  318.0 @ 19,400′ Service ceiling 34,800 feet ( meters). Maximum range 765 miles ( kilometers)

The F4F-4 was armed with six air-cooled Browning AN-M2 .50-caliber machine guns mounted in the wings with 1,440 rounds of ammunition.

Between February 1940 and August 1945, 7,898 Wildcats were produced by the Grumman Aircraft Engineering Corporation, Bethpage, New York, and General Motors Eastern Aircraft Division at Linden, New Jersey.

Grumman F4F-4 Wildcat. (U.S. Navy)

¹ Various reliable sources give different values for the number of enemy aircraft shot down by 2nd Lieutenant Swett on 7 May 1943, with the most common being five. Swett claimed eight destroyed, and this is reflected in his Medal of Honor citation. The intelligence officer who investigated determined that his claims were valid. The USMC History Division credits seven enemy aircraft destroyed: “Colonel James Elms Swett, of San Mateo, California, earned the Medal of Honor in World War II for shooting down seven Japanese bombers within 15 minutes.”

© 2017, Bryan R. Swopes

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