by Nav » Sun Feb 19, 2006 10:26 am
f-lash, I'm a 'Legacy-lover' from way back - first downloaded it years ago but gave it up for a while because, fior some reason, it crashed FS every time I saved a flight; but that problem seems to be all sorted out now.
Quite simply, for me, it's the best-looking and best-performing prop single available on FS. And delightful to fly.
The problem of the boost dropping off in this aircraft type as you gain height is normal in FS and real life both. Most small props require full throttle AND fine pitch right through the climb-out. The Legacy is more powerful than that - you can afford to throttle back and drop the revs early on, but if you go really high (I tend to go up to 12,000 or so a lot!) you'll need the throttle pretty well wide open late in the climb.
The settings I'd recommend are:-
Climb - 500 feet/minute, 18.5" of boost, revs 2,500. Above 3,000 feet, start leaning the mixture; you should be able to get the EGT (Exhaust Gas Temperature) up to about 200 degrees early on, say 170 high up; and fuel flow down to about 11 gallons per hour. Keep checking the boost and opening the throttle as required (with the Legacy's unusual panel setup it's a good idea to use the VC while climbing out, so you can keep a constant eye on the engine instruments).
Cruise (economy) - 17.5" boost, 2,250 revs, mixture as required to hold max. EGT. That should give you around 225 knots and bring the fuel flow down to about 9.5 gph.
It should also give you a still-air range of up to 1,400nms. - which suits me as I tend to specialise in round-world trips, starting with crossing the Pacific! :)