******************************************************************************** Pilot's Handling Notes for a Savoia Marchetti S.M.81 with Piaggio X/RC15 engines ******************************************************************************** The three 700hp Piaggio P.X/RC15 engines have automated mixture controls, and manually applied carb heat controls. Superchargers deliver rated power up to 1500 metres. This engine and airscrew combination require a rated rpm technique. LEVEL or DIVING WAR EMERGENCY ONLY = MAX 2475 RPM LEVEL or DIVING COMBAT RATING = MAX 2350 RPM CLIMBING and MAX for TRANSPORT, FERRY and TRAINING FLIGHTS = 2100 RPM AUTOMIXTURE - This engine has Automixture in real life. Turn automixture ON in the FS9 realism screen before flight. Design cruise altitude is 4000 metres. *************************************************************** Take Off: AUTOMIXTURE = ON (in FS9 realism options) FLAP = STAGE 1 CARB HEAT = COLD TRIM = SLIGHT POSITIVE LINE UP BRAKES = ON THROTTLES = FULL BRAKES = OFF YOKE = FULL FORWARD to raise tail TAIL UP - ROTATE FIRMLY RESTRICT CLIMB <= 3 m/s VSI ACCELERATE = 150 KmIAS FLAP = UP ACCELERATE = 190 KmIAS WAIT FOR > 3 m/s VSI Call for Climb power *************************** Climb power: Plan 750 PPH C2 = max 0.95 RPM = max 2100 200 KmIAS On reaching 4000 metres Call for design cruise power **************************** Design and Econ Cruise: RPM = 2100 Plan 570 PPH Note: Yields 146 KTAS at FL131 (4Km) **************************** Patrol: RPM = 1900 Plan 540 PPH Note: Yields 133 KTAS at FL49 (1.5Km) **************************** Descent: RPM - RESTRAIN < 2350 MAX 310 KmIAS OAT <= 5C CARB HEAT = HOT Plan 400 PPH **************************** Approach Circuit and Landing: Before Downwind leg OAT <= 5C CARB HEAT = HOT REDUCE < 200 KmIAS FLAP = STAGE 1 Downwind REDUCE < 175 KmIAS FLAP = STAGE 2 In time to achieve Vref REDUCE < 150 KmIAS FLAP = STAGE 3 CARB HEAT = COLD Vref = Cross airfield boundary @ 110 KmIAS THROTTLES = RETARD (IF REQUIRED) (FLARE) ALWAYS LAND ON MAINWHEELS only WHEN TAIL SETTLES - YOKE FULL AFT FLAP = UP BRAKES - as required ****************************