Crosswind landing and propwash tests

[TUCKIE_JG52]

Well, here goes my first tests in CoD while trying to land under strong crosswind.

http://www.youtube.com/watch?v=xuMDBf6DUwE

I've placed an IA to wee what he does, in several tests he landa for the runway that has less crosswind component. Smart guy, uses correctly the crabbing technique, better than me, but his decrabs are tending to crash land the plane since de does not correct the last moment sink.

Landing after him, but with the runway that had more crosswind, I cheched some things:

-Anemometer had an instrument error (not bug, I think that's a real measurement error, caused by some lateral coomponent in advance), The fact is that a stall speed of an E-3 is about 125km/h... and IAS indication was 95 km/h only!

-Decrabbing a 109 under these conditions is extremely difficult, I understand IA's difficulties

-Once stopped on the ground, I was satisfied to chech that, as a good taildragger, the plane tends to face the wind.

-Maybe 30 m/s is a crosswind outside plane specifications, but it is almost impossible to taxi to a desired parking.

-Same for the fact that braks are inefective, and plane goes backwards when faced to wind.

-In the last ground test, wind acts as it should do the propwash, but (and I don't recorded this, soory got no diskspace left), if you stop the engine, the controls are still effective just by the action of the wind, son there's no propwash modelled!


-In general, that was a very challenging test, try it!


PS: Sorry, posted this in the general forum, It should be in FM Sub-Forum, reposted there, this post can be deleted.

[scorpac]

how to make a mission with wind?

[TUCKIE_JG52]

Originally Posted by scorpac

how to make a mission with wind?

Full mission builder, and then select conditions, its' the first menu that appears on the video. I'll tell you the excat name, but I have it in spanish...

Good testing Tuckie.

[Jarsalla]

hehee 30 m/s is 108 km/h or 67 mph. That wind speed is almost enough to be a level 1 hurricane !

[JG52Krupi]

Very nice, thanks for the test.

[Slechtvalk]

Wouldn't that be a bit extreme simulated? I mean if you would stand there a person you would fly in the sky I bet, seeing the aircraft behaving like a plastic toy..And its possible taxiing with this wind?

[badfinger]

In a cross wind landing, cocking the nose into the wind is one technique. Another is the wing low method, in which the nose isn't cocked into the wind nearly as much. The upwind wing is lowered, and rudder keeps the nose headed in the right direction.

Either way, just before touchdown you need to get the nose lined up with the runway. Don't land with the nose still into the wind, or the wing still low.

Some cross wind components (speed/direction) result in an impossible situation to compensate for. It depends on the aircraft as to how far you can go.

binky9

[TUCKIE_JG52]

Originally Posted by Slechtvalk

Wouldn't that be a bit extreme simulated? I mean if you would stand there a person you would fly in the sky I bet, seeing the aircraft behaving like a plastic toy..And its possible taxiing with this wind?

Almost impossible to taxi, that's an extreme situation, where the flight itself would not be reccomended, and plane should be fixed to the ground.

There's an object for that in the mission editor, don't know the exact translation since I have it in spanish, but it's named similat ro "anti-storm attach block"...

[TUCKIE_JG52]

Originally Posted by binky9

In a cross wind landing, cocking the nose into the wind is one technique. Another is the wing low method, in which the nose isn't cocked into the wind nearly as much. The upwind wing is lowered, and rudder keeps the nose headed in the right direction.

Either way, just before touchdown you need to get the nose lined up with the runway. Don't land with the nose still into the wind, or the wing still low.

Some cross wind components (speed/direction) result in an impossible situation to compensate for. It depends on the aircraft as to how far you can go.

binky9

I know, I did it the last time I flew the Cessna 152, except for the landing in one wing lowered, that is allowed if the final flare is very smoothly done.

The fact is that my instinct failed me when I performed the test for this video; maybe because in a lowered wing to the wind and nose crabbed, the visibility of the runway is poor and I'm still not so much used with 6DOF.

Must get more training on this... AI makes a perfect final, and a better decrab than me, even with failing on the final flare.

My worst fail in this video was to decrab the nose while raising the wing into wind; this is a "how not to land video" instead of a "must do"

As this can be a typical stupidly dramatic end for a sucessful mission, I'll get some more training on this subject... including the aborted landing sequence...

Thanks to youtube, I'll add notes to this video, linking to the video with the correct procedure when I'll get it and upload another video.

PS1: as you can see, smoke is affected by wind so this can be a good visual indication of current wind on the field (in fact often were used Smoke Signal Bombs to do so when there was not an available "T", at least in my country during Spanish Civil War).

PS2: the airfield wind indicator (Windsock) looks like does not work at the moment.