Republic P-47 Thunderbolt (Jug) Timeline
October 1939: The Seversky Aircraft Co. is reorganized into the Republic Aviation Corp.
6 September 1940:The Pratt & Whitney R-2800 powered XP-47B is authorized by the
USAAC. Engine: R-2800-17: 2,000 hp./S.L./2,700 rpm./52"Hg boost.
September 1940: 733 P-47Bs & P-47Cs are ordered by the USAAC.
Engine: R-2800-21: 2,000 hp./25,000 ft./2,700 rpm./25,000 ft./52"Hg.
4 May 1941: The prototype XP-47B is completed.
6 may 1941: 1st flight of the XP-47B flown by Lowery Brabham from Republic to
Mitchell Field L.I.
21 December 1941: 1st production P-47B is completed.
May 1942: P-47B production is interrupted in order to make the change from
fabric to metal ailerons.
June 1942: The first P-47Bs are delivered to the 56th Fighter Group based at
14 September 1942: 1st P-47C is completed at Farmingdale, Long Island.
19 September 1942: 1st flight of the P-47D-1 flown by Walter Pixey at Evansville,
IN. Engine: R-2800-21.
October 1942: The 1st Production P-47G is completed at Curtiss in Buffalo, NY.
November 1942: 1st P-47Cs become Operational with the 560th F.G.
20 December 1942: The 1st P-47Cs arrive in Liverpool, England to be assembled
for the 8th Air Force.
January 1943: 1st flight of the P-47C-2 piloted by Col. Cass Hough in the UK.
February 1943: 1st P-47D-1s are produced at Farmingdale with additional armor
protection. Fuel aand oxygen system upgrades have been made. The exhaust
ducting is modified to improve reliability and performance. Wing racks were added.
10 March 1943: The 4th FG becomes operational. 1st sortie with 14 P-47C-2s,
P-47C-5s and Spitfires. Radio interference makes plane to plane communications
impossible. Engine problems cause dead stick landings, mid-air fires, bailouts
and crashes. Some landing gears collapse on the runway.
8 April 1943: The P-47 Officially becomes operational with the 4th, 7th and 56th FGs
of the 8th Air Force.
April 1943: The P-47C is tested against the Bf 109G and Fw-190A fighters.
" The enemy aircraft have generally better performance under 15,000 ft., but
the P-47 improves with altitude and is faster at 30,000 ft. The Thunderbolt's
steady rate of climb is relatively poor, however; dive and zoom capability is
May 1943: Early P-47D versions complement the 56th FG's P-47Cs.
June 1943: The first P-47Cs arrive in the SW Pacific with the 348th FG of the 5th
Air Force. They prepare to make the 1200 mile flight from Brisbane, Australia to
Port Moresby in New Guinea.
31 July 1943: The 348th FG start combat operations in New Guinea.
September 1943: Three P-47D-10s are sent to Russia.
November 1943: The P-47D-20RE is the first model to receive water injection on
the production line. In England the older models are retrofitted.
Engine: R-2800--59 (-63) Water Injection: 2300 hp./27,000 ft./56"Hg.
26 November 1943: 1st flight of the XP-47J with R-2800-61: 2,100 hp./54"Hg/T.O.
2,800 hp./72"Hg(combat boosting)/30,000 ft.
December 1943: New Curtiss 836 "paddle-blade" propellers replace the old 714
"tooth pic" blades increasing acceleration and climb rate of the P-47D.
April 1944: The P-47D-30 was first delivered to the USAAF.
Engine: R-2800-59: 2600 hp./25,000 ft./ 64"Hg.
22 May 1944: The first P-47D-25s (-28) with bubble canopies and a new 65 gallon
internal fuel tank become operational.
June 1944: US fighter pilots are receiving G-suits.
28 July 1944: The XP-47B with pressure cabin is flown to Wright Field for testing piloted
by Capt. Colchagoff.
22 July 1944: The first flight of the XP-47N with P&W R-2800-73: 2,800 hp./32,600 ft.
5 August 1944: Republic test pilot Mike Richie flies the XP-47J to 505 mph./34,450 ft.
Engine: R-2800-61: 2800 hp./30,000 ft./72"Hg.
September 1944: The 1st production P-47N-1 is delivered.
Engine: R-2800-73 & -77: 2800 hp./2800 rpm./32,600 ft./72"Hg.
15 November 1944: A new 215 gallon drop tank is extending P-47 range.
December 1944: 130 P-47Ms and 24 P-47Ns are delivered to the USAAF. The new
R-2800-57/173/-77 is a thirstier engine than the P-47Ds.
3 January 1945: 56th FG begins to change out engines in their P-47Ms after 50 hrs.
because of faulty ignition and poor pickling in manufacturing.
April 1945: The 56th FG finally get their P-47Ms operational.
Engine: R-2800-57: 2800 hp./2800 rpm./32,600 ft./72"Hg., 2100 hp./30,000 -
15 May 1945: The 318th FG becomes operational with its P-47Ns in the Pacific.
25 May: The 318th destroy 34 enemy aircraft over Kyushu, Japan.
December 1945: P-47 production lines are closed.
More to come as time permits, Jeff
Edited by CORSNING, 12 July 2017 - 03:51 PM.