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wrote:
Does anyone have a crib sheet for the various "gaits" of the 172RG. By gaits I mean the various MP/RPM/configuration settings (and their associated airspeeds) that you use in different regimes of flight; cruise, cruise climb/descent, holding, approach outside the OM, inside the OM, etc. o Climb: Cowl flaps open. Full throttle throughout climb, reduce RPM to 2500 at 1,000' AGL. o Cruise: 25" MAP or full throttle, 2500 RPM, mixture lean of peak if possible. Keep cowl flaps open in any but very cold weather; top of Cessna CHT green is way too hot. o Cruise descent: 18" or 20" MAP (depending on how smooth the air is), pitch for 500 FPM. Cowl flaps closed. o Holding: 18" MAP, gear & flaps up. o Initial instr. approach segments: 20" MAP, 2500 RPM. o Final instr. approach segment (slow): Mixture rich, 17" MAP (no wind), prop in fine pitch, gear down, 1/3 flaps. o Final instr. approach segment (fast) Mixture rich, 19" MAP (no wind), prop in fine pitch, no gear or flaps until 1/4 mile final, then extend gear (don't forget!) and 1/3 flaps simultaneously, then rest of flaps below IAS white arc. o Landing: -Mixture rich, 17" MAP, prop in fine pitch, 1/3 flaps & gear down at midfield downwind. -15" MAP abeam touchdown. -2/3 flaps, 80 KIAS on base leg. -Full flaps, 70 KIAS on final. -Throttle idle, 65 KIAS over the numbers. -- Dan C-172RG at BFM |
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