19 Apr 2024, 11:50 [ UTC - 5; DST ]
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Username Protected
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Post subject: Re: Crosswind landing in a C177RG  Posted: 13 Jan 2018, 23:09 |
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Joined: 09/28/11
Posts: 715
Post Likes: +334
Location: KLWM, Lawrence Municipal, North Andover,Ma
Aircraft: A36
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Username Protected wrote: Why did you slip it instead of crab? In my mind, the crab puts you in a better aerodynamic position to go around.  Slipping all the way in nothing has to change, the controls are the same all the way to touchdown. Crab and kick you have to change from no slip to slip at the last second or risk skidding sideways on touchdown. Airliners crab and kick because they don't want to risk plopping down on one main. Vince
Nice job but I never understood that it has to be all slip or kick out the crab at the last minute. Why not fly down final in a crab and transition to a slip at 200 ft, or 100 ft or 50 ft. As long as it's straight when you're over the runway, who cares when you do it.
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Username Protected
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Post subject: Re: Crosswind landing in a C177RG Posted: 14 Jan 2018, 00:17 |
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Joined: 01/13/11
Posts: 1716
Post Likes: +878
Location: San Francisco, CA
Aircraft: C 150
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The initial caption on the video says "Wind 240...." that should have been "Wind 340...."
Otherwise, it would have been a tailwind.
_________________
Tom Schiff
CA 35 San Rafael/Smith Ranch airport.
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Username Protected
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Post subject: Re: Crosswind landing in a C177RG Posted: 14 Jan 2018, 10:59 |
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Joined: 04/29/13
Posts: 706
Post Likes: +476
Aircraft: C177RG, ATOS-VR
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Username Protected wrote: The initial caption on the video says "Wind 240...." that should have been "Wind 340...."
Otherwise, it would have been a tailwind. Nope, wind was 240, which means if I am landing on runway 30, it is coming to my left at a 60 degree angle. Wind 340 would be a 40 degree crosswind to my right. Vince
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Post subject: Re: Crosswind landing in a C177RG Posted: 14 Jan 2018, 11:26 |
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Joined: 04/29/13
Posts: 706
Post Likes: +476
Aircraft: C177RG, ATOS-VR
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Username Protected wrote: It appeared to me that you had plenty more left aileron available...probably had reasonable margin left.
You did it right, that's for sure. In the Cardinal, you have a lot more aileron than rudder. In a forward slip you give it full rudder and you have about another 20 to 30 degrees of yoke rotation in aileron. At the 1:00 mark in this video I had full rudder in a forward slip. You can see I still had a lot of aileron. https://www.youtube.com/watch?v=eu4-OFhAGI0Vince
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Post subject: Re: Crosswind landing in a C177RG Posted: 14 Jan 2018, 22:30 |
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Joined: 04/29/13
Posts: 706
Post Likes: +476
Aircraft: C177RG, ATOS-VR
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Username Protected wrote: The initial caption on the video says "Wind 240...." that should have been "Wind 340...."
Otherwise, it would have been a tailwind. Nope, wind was 240, which means if I am landing on runway 30, it is coming to my left at a 60 degree angle. Wind 340 would be a 40 degree crosswind to my right. Vince
OK, you made me pull out the calculator. A 240 degree wind at 24 knots, landing on runway 30 would be 21 knots direct cross and 12 knots on the nose.
Vince
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Post subject: Re: Crosswind landing in a C177RG Posted: 14 Jan 2018, 22:35 |
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Joined: 06/17/14
Posts: 5003
Post Likes: +1949
Location: KJYO
Aircraft: C-182, GA-7
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Great approach and landing!
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Post subject: Re: Crosswind landing in a C177RG Posted: 15 Jan 2018, 01:47 |
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Joined: 01/22/16
Posts: 478
Post Likes: +517
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Username Protected wrote: The best slipped landing I ever saw was as a passenger in a Shorts. Remember those? They looked like a boxcar with skinny little wings. The pilot slipped all the way down and landed on one of the mains. As the airspeed bled off on the rollout, he lowered the other wheel to the pavement. It was awesome! (I told him so as I deplaned.) I have a few hours in a Shorts SD330. It was surprisingly easy to land in a x-wind. With the high wing, no worries about scraping a wing tip.
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Post subject: Re: Crosswind landing in a C177RG Posted: 15 Jan 2018, 20:50 |
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Joined: 03/08/14
Posts: 419
Post Likes: +218
Location: LL10
Aircraft: PA-28R-200 Arrow II
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Username Protected wrote: Why did you slip it instead of crab? In my mind, the crab puts you in a better aerodynamic position to go around. Slipping all the way in nothing has to change, the controls are the same all the way to touchdown. Crab and kick you have to change from no slip to slip at the last second or risk skidding sideways on touchdown. Airliners crab and kick because they don't want to risk plopping down on one main. Vince
Vince,
Actually, we slip until below around 50' (individual technique rules the day) because it is uncomfortable from the passengers to slip. Also, the airplane gets extremely "draggy" and a high sink rate can develop in a pro-longed slip.
All of the airliners that I have flown are certified to be flown to touchdown to maximum demonstrated crosswind limits in a crab. You can see this in certification videos and it looks rough as the wheels grab and the landing gear forces the aircraft to straighten out.
Most pilots will enter a slip below 50' and try to land in a conventional (one wheel) technique. Some call it a "kick out" to straighten the nose but the effect is the same as the airplane is in a slip.
Airliners with underwing engines and the new scimitar winglets have limitations or recommendations to accept some crab above certain crosswind components to avoid scraping a pod or wingtip. The 747 and newer 737's use 16 knots for this number.
Eric
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