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General >> Hangar talks >> On the A380
https://www.captainsim.org/forum/csf.pl?num=1317705282

Message started by boeing247 on Oct 4th, 2011 at 5:14am

Title: Re: On the A380
Post by pj747 on Oct 13th, 2011 at 12:36pm

CoolP wrote on Oct 13th, 2011 at 9:04am:

Markoz wrote on Oct 13th, 2011 at 1:47am:

LOU wrote on Oct 12th, 2011 at 9:29pm:
Once again the man from down under is spot on with his understanding of the use of reverse thrust.
CoolP is from "Down Under"?

Remember, Moth Air has all the routes.  8-) Wanna join?  :P

We are thinking about Peter being our PR guy.  :) We just have to make sure there are enough engines and baggage carts available.


The vortex picture is a great one!


Boeing247, that Stratocruiser in the sim has the reverse thrust modelled, but keep in mind that a prop reverses differently than the current hi-bypass jet engines.
They really "flip" the blades to an angle producing thrust in another direction. You can even see that happening on the torque meter as it goes down first and up again as the new direction has established and the engine then has to put power on the shaft again. The sound is very different too.
The whole prop reverse process is way more efficient than the methods used on the jet planes since you get a large amount of the currently produced engine power acting in the now braking direction, except for the exhaust gases.
With the smaller intakes or even very "automotive" ones, the danger of foreign object damage (to the engine itself) also acts in another regime.

The jets don't alter any blade angles (=fixed blades), but more or less try to redirect the airflow they produce. Sir Newton would love that method.
The older ones had those moving buckets, the newer hibypass ones are mostly running with the 'reversed' bypass airflow only while the core still produces 'unreversed' forward thrust.
The amount of the contents differs though, so the bypass part is (by far) the dominant one, in every direction.


Hey, look at the other pictures from Lou, that's the 'Gravel Kit' of the old 737s. I would love to see that modelled in the sim.
Together with a sort of deflector on the front wheel it's really approved to run the jets on the nasty gravel strips, like he says.
Here are some more details. Nice page by the way. http://www.b737.org.uk/unpavedstripkit.htm


Does moth air have an MD-11 or L-1011? I can try to get the baggage box tuck in teh center engine.

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