RE: [Jsbsim-devel] C-172 Performance

[Jon B. <js...@ha...>]

David wrote:

> From the POH: 10 degrees flaps, break ground as soon as possible (say,
> 45-50 kias), accelerate in ground effect, then climb out at 57 kias
> until all obstacles cleared.  In real life, it's normal to hear to
> stall horn when you break ground, so don't be surprised if you hear it
> in FlightGear as well.

I'll give that a try.

> In fact, the 172r's IO360 is a 180 hp engine, derated to 160 hp and
> 2400 rpm; the 172p has a 160 hp O320.  In both cases, because of the
> fixed-pitch prop the engine will develop full rated horsepower only at
> sea level and a relatively high forward speed -- maximum static
> horsepower will be considerably lower (i.e. you'll never see anything
> close to maximum power from the plane when it's standing still, even
> with full throttle).

What does that mean, "derated"? Should I set the maxhp for the engine to 160 or 180?

Jon