Classic stall
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The manual for my FAR 23 factory built airplane specifies 1.07 times the power off stall speed for landing approach to achieve the book figure for landing distance.
And, being a tailwheel airplane, CASA's Part 61 mandates that for training as well as requiring the student to achieve better than the distance from the book. |
Video clearly showed the stall buffet prior to the wing drop.
Very lucky pilot to walk away from that accident. Air displays and pilots mishandling their aircraft resulting in an accident, second one this year! Not a good look..... |
Originally Posted by djpil
(Post 9757491)
The manual for my FAR 23 factory built airplane specifies 1.07 times the power off stall speed for landing approach to achieve the book figure for landing distance.
And, being a tailwheel airplane, CASA's Part 61 mandates that for training as well as requiring the student to achieve better than the distance from the book. From memory the CASA display guidelines specify 1.3x but it's been quite a while since I've done one. |
Originally Posted by Squawk7700
(Post 9757468)
1. Don't try to land 10 metres above the runway. 2. If you want to land short, use a Supercub! |
1.07 seems very slow to me too, what sort of aeroplane is this?
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1.07 seems extremely slow to me too.
I thought all POH landing distances were calculated at 1.3 Vs with a 50 ft threshold crossing height. |
There's a very subtle f*ck in the commentary at 33 seconds. I'm not surprised!
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Maybe a little gusty to be approaching with so little margin.
Classic commentary, post-crash. "Whoops, folks, something's gone wrong." |
Happened about 2 years ago so not recent, the bloke flying spent a looong period of time flying heavy aeroplanes around wee waa in the dark so proof that a crowd can make even the best of us push a bit too far. I'm pretty sure the commentary was his wife so held it together pretty well considering! The fact he walked away must be a good selling point now I reckon.
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Classic ingredients: plane, camera, audience. Oops!
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Selling point to who? Undertakers, the pilot is lucky to be alive.
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Shudda 'picked it up' wif rudder.......
(Stby for incoming.......) Cheers:p |
Downwind turn......? :E
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Was taught 1.3 Vs by Mike Valentine during my abinitio on gliders. His words were 1.3 will work for just about any aeroplane, remember it.
Over the years flying with different pilots in unfamilliar aeroplanes, watching them and doing the calculation mentally, i've always found the number to be pretty close to what they fly, and also pretty close to most POH's on types i have flown. There is always the exception of blokes on bonza's 100 knots over the fence, or some others I know, combat power till the crunch. |
Did they sell many after that?
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I would check the rigging of that aircraft pretty carefully.
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Originally Posted by Griffo
Shudda 'picked it up' wif rudder.......
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Pilot lost control at tree top height and walked away... looks to be an excellent selling point to me...:cool:
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Originally Posted by RubberDogPoop
(Post 9758277)
Did they sell many after that?
tough long travel landing gear helped. |
I watched this happen at the Hunter Airshow at maitland last year. He was coming in doing what these STOL blokes do, on the backside of the curve with power with very little margin above the stall, trying to land as short as possible.
It was a fairly windy day with some gusts around. I am no accident investigator so this is only speculation, but it seemed to me not enough margin above the stall, hit a gust, wing dropped and down she came. Regardless of the cause of the stall, a stall it was. Unforgiving with power on at that altitude. It was a fairly "soft" crash and a pretty good advertisement for the aircraft I think. Those big shock absorber struts certainly absorbed the impact well. The speed he was flying certainly helped with minimum energy to dissapte. Bugger all forward velocity. As an aside, this aircraft will crap all over a Supercub in a STOL contest (this landing example notwithstanding!). Great little aircraft. It is back flying again. Cheers CB |
Originally Posted by Ultralights
(Post 9758680)
actually, they are selling very well, quite a few in the USofTrump. and very capable aircraft as well.
tough long travel landing gear helped. |
...As an aside, this aircraft will crap all over a Supercub in a STOL contest... Trails rider told me he could climb three metre vertical walls with his bike. I said my 1000RR can do two hundred miles an hour..... Mission profile - 200 miles out, land on a tight field, load up, fly back, all on the one tank full...;) . |
Originally Posted by Flying Binghi
(Post 9759421)
But are you comparing apples to apples. :)
Trails rider told me he could climb three metre vertical walls with his bike. I said my 1000RR can do two hundred miles an hour..... Mission profile - 200 miles out, land on a tight field, load up, fly back, all on the one tank full...;) . Use whatever apples you like. It was posted that if you want to land short use a Supercub. This lands well shorter and takes off shorter. That is all I was saying. :ok: Cheers CB |
Was taught 1.3 Vs by Mike Valentine A good Man! It was somewhat distressing to hear of his passing, now quite a few years ago.:{ |
FB, Use whatever apples you like. It was posted that if you want to land short use a Supercub. This lands well shorter and takes off shorter. That is all I was saying. http://cdn.pprune.org/images/smilies/thumbs.gif Cheers CB It does not appear to have the same good manners that a Supercub has. |
I don't think a Supercub would be flying at that speed or AoA.
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Originally Posted by flywatcher
(Post 9758375)
I would check the rigging of that aircraft pretty carefully.
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Originally Posted by Andy_RR
(Post 9759548)
I don't think a Supercub would be flying at that speed or AoA.
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I haven't dome much in a Cub so I'll keep my comments to the Husky which was based on the Cub so some similarities. Book landing approach speed is 70 mph which the POH notes is 1.3Vs. Book Vs is 53 mph with full flap.
70 mph is too hard to achieve, 65 or so is much easier - that's 1.2Vs. Today we were doing steep approaches in a 30 deg banked turn/sideslip between 60 and 65 (my student needs to work on being more precise), crossing the fence at 55. Stalls in these situations/configuration are a non-event - there are others where it will get quite aggressive. (I wouldn't do that in my usual Decathlon, per my prior post.) |
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