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 Post subject: Re: STOL options
PostPosted: 12 Apr 2021, 16:58 
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Location: KFTW-Fort Worth Meacham
Aircraft: C208B, AL18-115
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
PostPosted: 12 Apr 2021, 17:08 
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Location: Cascade, ID (U70)
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STOL operations are high-performance flying.

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 Post subject: Re: STOL options
PostPosted: 12 Apr 2021, 17:21 
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Location: KFTW-Fort Worth Meacham
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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
PostPosted: 12 Apr 2021, 17:58 
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Joined: 09/23/09
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Location: Cascade, Idaho (U70)
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There is also a difference between STOL ops in the sticks and STOL operations at an improved airport.

Its the risk factor and each individual's risk tolerance. Its not always about anyone's particular aviation skill level. What are you willing to risk in terms of potential aircraft damage, inability to take off again and/or bodily injury?

The risk is minimized at improved runways. You can go around or float down the runway if you screw up. But, at really short, rough spots in the boonies, you have to consider whether you can really get it stopped at a no go-around strip or whether you can even take off again.
While we don't go to anything that is really stupid short in our 182s, we do take off on strips where there is no opportunity to abort the takeoff in time if it started running rough. I'll show an example on these videos. The first one is not that short but there is so much slope to this strip, you would never get it stopped if the engine coughed. Same thing with gravel bars etc.
The second one is flat but has a curve and is really rough and the consequences of a balky engine are significant. I didn't get the take off on this vid but you'll get the picture.

Its not a macho thing or even a superhuman skill thing..... its a risk/reward thing and that is a personal decision. Lots of folks have machines and the capability to fly STOL but sometimes one doesn't want to risk their really really expensive Carbon Cub or whatever at marginal spots.

And I don't blame them a bit.

[youtube]https://youtu.be/GJrXXPvVx18[/youtube]
[youtube]https://youtu.be/ON5Jn2oFT40[/youtube]

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 Post subject: Re: STOL options
PostPosted: 13 Apr 2021, 23:49 
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Nice vids Mike! Those look like long(ish) runways tho.. what's that like 1500 ft? I could get my Tbone in there. :D Any good fishing holes?

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 Post subject: Re: STOL options
PostPosted: 14 Apr 2021, 00:07 
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Location: Cascade, Idaho (U70)
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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. :D 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.

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 Post subject: Re: STOL options
PostPosted: 14 Apr 2021, 09:21 
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Joined: 12/01/10
Posts: 330
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Location: The Woodlands, Tx. (KDWH)
Aircraft: B36TC (TN), Model 12
Mike,

Great videos but I agree with Adam...

I could do everything you did in your videos with our B36TC (except land and takeoff :whistle: )

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 - :woot:


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