19 Apr 2024, 07:55 [ UTC - 5; DST ]
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Post subject: Re: STOL options Posted: 12 Apr 2021, 16:58 |
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Joined: 11/06/13 Posts: 404 Post Likes: +247 Location: KFTW-Fort Worth Meacham
Aircraft: C208B, AL18-115
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I have debated whether or not to post on this thread. My morning flight in my Super Legend Cub convinced me that I should post.
800 foot runway with a 20 foot obstacle is tighter than it sounds on landing. You can easily eat up half or more your runway coming over the obstacle depending on how close to the obstacle your are willing to fly. Edited youtube videos of skilled stol pilots aside, it is hard to get an airplane down consistently over an obstacle. Clear approaches, correct orientation for prevailing winds and good go around options-800 ft is more than enough for a cub.
I flew into the public grass strip at Ranger, Texas today with no wind. Landing to the south, you come over a tall two story house maybe 100 feet or a little more from the approach end. I was a little rusty and a tad fast at 55 mph-I touched down at least 800 ft. down the runway. I could have done better-40-45 mph IAS, flown closer to the house etc.-but it I would probably have been on the brakes to stop it in 800 feet from the approach end. Fine if you are on your game and get it right-but still tough. Again, the ground roll is not the issue-getting it down on speed is. Take off-no problem.
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Post subject: Re: STOL options Posted: 12 Apr 2021, 17:21 |
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Joined: 11/06/13 Posts: 404 Post Likes: +247 Location: KFTW-Fort Worth Meacham
Aircraft: C208B, AL18-115
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"STOL operations are high-performance flying."
I agree. Which means that you have to be "on" for your Sunday late afternoon fun flight.
Just for fun, I looked at how much runway you would use before touchdown at a standard ILS 3 degree glideslope coming exactly over 20ft- 375 ft. If you clear the obstacle with 10 ft. to spare (30 ft above the ground), you would be 575 down the runway before touchdown.
Now, I would never fly a glideslope as shallow as 3 degrees for this kind of operation, but I also wouldn't be exactly at 20 ft for a 20 ft obstacle either. Doubling the steepness of the glideslope to 6 degrees and clearing at 30 ft.- you eat 287 ft. of runway before touchdown.
Things can get tight in a hurry.
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Post subject: Re: STOL options Posted: 14 Apr 2021, 00:07 |
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Joined: 09/23/09 Posts: 11870 Post Likes: +10519 Location: Cascade, Idaho (U70)
Aircraft: 182
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Username Protected wrote: Nice vids Mike! Those look like long(ish) runways tho.. what's that like 1500 ft? I could get my Tbone in there. Any good fishing holes? First one is 1800 ( Deadwood) but the lower third is unusable because of the trees. But, it lands like it’s 2500 because it’s got so much slope, it’s easy to get stopped. Fabulous fishing. Monster cutthroats. The second one is 1600 ( soldier bar). The landing ain’t bad but the takeoff sucks because the curve is at the worst spot for the roll. Better to fast taxi to the curve then goose it. No fishing. Long hike down.
_________________ Life is for living. Backcountry videos: https://www.youtube.com/channel/UCSChxm ... fOnWwngH1w
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Post subject: Re: STOL options Posted: 14 Apr 2021, 09:21 |
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Joined: 12/01/10 Posts: 330 Post Likes: +191 Location: The Woodlands, Tx. (KDWH)
Aircraft: B36TC (TN), Model 12
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Mike, Great videos but I agree with Adam... I could do everything you did in your videos with our B36TC (except land and takeoff ) Just finished up tail wheel endorsement in Decathlon and am looking for some experience in a low / slow plane next. Love the thread and comments -
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