getting down

[Bob]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

hi all,today I went from london to paris in the bravo, the ceiling is approx
25000 ' so I tried and managed to get there,question is how the heck do you
get down fast from there without stressing the plane,tia Bob

 

[Guest]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

Short answer: the Mooney is a great plane will go high. To descend
faster, (a) bring your RPMs down to 2500 and (b) deploy the speed brake
(with the / key).

Some more general suggestions:

1. Your altitude is high for that distance. (I understand that weather
is a factor, but at 25,000 feet you are pushing the Mooney's service
ceiling.) A good rule of thumb is take your travel distance, multiply
by 100, and use that as a basis for your altitude. E.g., Paris is 185
nautical miles (nm) from London --> think 18,500 ft. range. At this
altitude, you should be IFR anyway, so if you're going east let's say
19,000 ft.

2. Plan your descent point. Rule of thumb is allow three nm for each
thousand feet that you need to lose. In the Mooney, I've found that
it's better to multiply by 3.3. So, to come down to pattern level from
25,000 ft., you want to start your descent 79 nm from Paris. How do you
know when you're that close? If you know ground and windspeed, you can
use dead reckoning. But hopefully your destination has a VOR/DME
beacon. DME = distance measuring equipment. The readout for this is on
the left-hand side of the Mooney's instrument panel.

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[Guest]

Archived from groups: alt.games.microsoft.flight-sim (More info?)

Also Sprach David Wilson-Okamura <David Wilson-Okamura@forums.simradar.com>:

> 1. Your altitude is high for that distance. (I understand that weather
> is a factor, but at 25,000 feet you are pushing the Mooney's service
> ceiling.) A good rule of thumb is take your travel distance, multiply
> by 100, and use that as a basis for your altitude. E.g., Paris is 185
> nautical miles (nm) from London --> think 18,500 ft. range. At this
> altitude, you should be IFR anyway, so if you're going east let's say
> 19,000 ft.

Wow, you must have a lot of spare cash to fill the oxygen bottles for
every flight over 115nm. Our FBO charges $45 a fill, that gets expensive
pretty quickly... Not to mention the extra fuel burned to get to 19,000
for such a short trip. IRL, in the Mooney Bravo, one would fly that route
at 10,500 feet. In a non turbocharged aircraft, even lower.. not worth
struggling up to 10,500 feet in a Skyhawk just to get 5% lower fuel burn
than you would at 6,500.

Dan

--
If you took away everything in the world that had to be invented,
there'd be nothing left except a lot of people getting rained on.

-- Tom Stoppard