SPEC AN-H-8 DEC. 28, 1942														ENGINE MODELS
P-40M SERIES							TAKE-OFF, CLIMB & LANDING CHART							ALLISON V-1710-81 (F-20R)
WITH I-52 OR 75 GAL. BELLY TANK
OR ONE 500 LB. BOMB							TAKE-OFF DISTANCE (IN FEET)
GROSS WEIGHT (IN LBS)	HEAD WIND		HARD SURFACE RUNWAY						SOD-TRUF RUNWAY						SOFT-TRUF RUNWAY
			AT SELEVEL		AT 3,000 FT.		AT 6,000 FT.		AT SELEVEL		AT 3,000 FT.		AT 6,000 FT.		AT SELEVEL		AT 3,000 FT.		AT 6,000 FT.
	MPH	KNOTS	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.	GROUND RUN	TO CLEAR 50' OBJ.
9300	00.0 20.0 40.0	0.0 17. 35.	1850 1200 650	3100 2200 1450	2150 1400 850	3600 2600 1750	2600 1750 1050	4300 3150 2150	1900 1250 650	3150 2250 1450	2200 1450 850	3650 2650 1750	2700 1800 1100	4400 3200 2200	2000 1300 700	3250 2300 1500	2350 1550 900	3800 2750 1800	2900 1950 1150	4600 3350 2250
8300	00.0 20.0 40.0	0.0 17. 35.	1350 850 450	2250 1550 1000	1550 1000 550	2600 1850 1200	1900 1200 700	3100 2200 1450	1400 850 450	2300 1550 1000	1600 1000 550	2650 1850 1200	1950 1250 700	3150 2250 1450	1450 900 500	2350 1600 1050	1700 1050 600	2750 1900 1250	2050 1300 750	3250 2300 1500
	00.0 20.0 40.0	0.0 17. 35.
NOTE: INCREASE DISTANCE 10% FOR EACH 10C ABOVE 0C (10% FOR EACH 20F ABOVE 32F) ENGINE LIMITS FOR TAKE-OFF 3000 RPM @ 51IN. HG.
COMBAT MISSIONS USE 3000RPM @ 44.6 IN. HG ***							CLIMB DATA							FERRY MISSION USE 2280RPM @ 28.2 IN. HG.
GROSS WEIGHT (IN LBS)	TYPE OF CLIMB	S.L TO 3000 FT. ALT.				10000 FT. ALT.						15000 FT. ALT.						BLOWER CHARGE
		BEST I.A.S.		FT/MIN	TIME FROM S.L.	BEST I.A.S.		FT/MIN	TIME FROM S.L.	FUEL FROM S.L.		BEST I.A.S.		FT/MIN	TIME FROM S.L.	FUEL FROM S.L.
		MPH	KNOTS			MPH	KNOTS			U.S.	IMP.	MPH	KNOTS			U.S.	IMP.
9300	COMBAT FERRY	145 135	126 117	1650 700	1.90 4.30	145 140	126 122	1600 700	6.10 14.1	31.0 34.0	26.0 28.0	145 140	126 122	1450 600	9.40 21.9	39.0 44.0	33.0 37.0
8300	COMBAT FERRY	140 130	122 113	2000 950	1.50 3.20	140 135	122 117	1950 950	5.00 10.5	29.0 30.0	24.0 25.0	145 135	126 117	1800 850	7.70 16.0	36.0 37.0	30.0 31.0
	COMBAT FERRY
						20000 FT. ALT.						25000 FT. ALT.
9300	COMBAT FERRY					140 135	122 117	900 200	13.6 34.7	49.0 59.0	41.0 49.0			150	28.3	67	56
8400	COMBAT FERRY					140 130	122 113	1200 450	11.1 24.1	43.0 46.0	36.0 38.0			400	17.4	52	43
NOTE: INCREASED ELAPSED CIMBING TIME 10% FOR EACH 10C ABOVE 0C FREE AIR TEMPERATURE (10% FOR EACH 20F ABOVE 32F)
LANDING DISTANCE (IN FEET)
GROSS WEIGHT IN LBS.	BEST I.A.S APPROACH		HARD DRY SURFACE						FRIM DRY SOD						WET OR SLIPPERY
			AT SEA LEVEL		AT 3,00 FT.		AT 6,00 FT.		AT SEA LEVEL		AT 3,00 FT.		AT 6,00 FT.		AT SEA LEVEL		AT 3,00 FT.		AT 6,00 FT.
	MPH	KNOTS	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL	TO CLEAR 50' OBJ.	GROUND ROLL
8400	105	91	1600	1050	1750	1150	1850	1250	1700	1150	1850	1250	1950	1350	2850	2300	3100	2500	3350	2750
7500	100	87	1450	950	1550	1000	1700	1100	1550	1050	1650	1100	1800	1200	2550	2800	2250	2250	3000	2400
*** FOR 15 MIN. ONLY, THE USE 2600 RPM AND 38.5 IN. HG.
NOTE: FOR GROUND TEMPERATURES ABOVE 35C (95F) INCREASE APROACH I.A.S. 10% AND ALLOW 20% INCREASE IN GROUND ROLL