The Pacific: General Aviation & Questions The place for students, instructors and charter guys in Oz, NZ and the rest of Oceania.

Classic stall

Old 1st May 2017, 08:26
  #1 (permalink)  
Thread Starter
 
Join Date: Apr 2005
Location: Melbourne
Posts: 3,107
Classic stall

Didn't get the memo about 1.3x stall speed for air displays.

https://youtu.be/ahMIffZhBD0
Squawk7700 is offline  
Old 1st May 2017, 08:51
  #2 (permalink)  
 
Join Date: May 2002
Location: Melbourne, Australia
Posts: 1,113
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.
djpil is online now  
Old 1st May 2017, 09:45
  #3 (permalink)  
 
Join Date: Mar 2005
Location: Darwin and PNG
Age: 51
Posts: 1,196
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.....
Duck Pilot is online now  
Old 1st May 2017, 09:45
  #4 (permalink)  
Thread Starter
 
Join Date: Apr 2005
Location: Melbourne
Posts: 3,107
Originally Posted by djpil View Post
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.
1.07 isn't that much of a buffer however in perfect conditions it might be ok.

From memory the CASA display guidelines specify 1.3x but it's been quite a while since I've done one.
Squawk7700 is offline  
Old 1st May 2017, 09:54
  #5 (permalink)  
 
Join Date: Sep 2015
Location: Australia
Posts: 405
Originally Posted by Squawk7700 View Post
Didn't get the memo about 1.3x stall speed for air displays.

https://youtu.be/ahMIffZhBD0
This bloke did two things wrong:
1. Don't try to land 10 metres above the runway.
2. If you want to land short, use a Supercub!
Cloudee is offline  
Old 1st May 2017, 09:54
  #6 (permalink)  
 
Join Date: Jul 2011
Location: nosar
Posts: 1,233
1.07 seems very slow to me too, what sort of aeroplane is this?
Aussie Bob is online now  
Old 1st May 2017, 10:08
  #7 (permalink)  
Thread Starter
 
Join Date: Apr 2005
Location: Melbourne
Posts: 3,107
Looks to be an raaus registered Highlander SuperSTOL.

The Highlander ? Wild West Aircraft
Squawk7700 is offline  
Old 1st May 2017, 10:39
  #8 (permalink)  
 
Join Date: Sep 2002
Location: Enzed
Posts: 2,281
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.
27/09 is offline  
Old 1st May 2017, 11:37
  #9 (permalink)  
Thread Starter
 
Join Date: Apr 2005
Location: Melbourne
Posts: 3,107
There's a very subtle f*ck in the commentary at 33 seconds. I'm not surprised!
Squawk7700 is offline  
Old 1st May 2017, 11:40
  #10 (permalink)  
 
Join Date: Dec 2005
Location: Wellington,NZ
Age: 64
Posts: 1,657
Maybe a little gusty to be approaching with so little margin.

Classic commentary, post-crash. "Whoops, folks, something's gone wrong."
Tarq57 is offline  
Old 1st May 2017, 11:47
  #11 (permalink)  
 
Join Date: Apr 2011
Location: Victoria
Posts: 30
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.
Vincent Chase is offline  
Old 1st May 2017, 12:00
  #12 (permalink)  
 
Join Date: Jun 2001
Location: FNQ ... It's Permanent!
Posts: 3,805
Classic ingredients: plane, camera, audience. Oops!
Capt Fathom is offline  
Old 1st May 2017, 12:04
  #13 (permalink)  
 
Join Date: Mar 2005
Location: Darwin and PNG
Age: 51
Posts: 1,196
Selling point to who? Undertakers, the pilot is lucky to be alive.
Duck Pilot is online now  
Old 1st May 2017, 12:19
  #14 (permalink)  
 
Join Date: Apr 2004
Location: Up The 116E, Stbd Turn at 32S...:-)
Age: 80
Posts: 3,006
Shudda 'picked it up' wif rudder.......

(Stby for incoming.......)

Cheers
Ex FSO GRIFFO is online now  
Old 1st May 2017, 12:37
  #15 (permalink)  
 
Join Date: Jun 2001
Location: FNQ ... It's Permanent!
Posts: 3,805
Downwind turn......?
Capt Fathom is offline  
Old 1st May 2017, 12:52
  #16 (permalink)  
 
Join Date: Apr 2008
Location: Australia
Age: 49
Posts: 931
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.
jas24zzk is offline  
Old 2nd May 2017, 01:31
  #17 (permalink)  
 
Join Date: Jan 2017
Location: The Couch
Posts: 113
Did they sell many after that?
RubberDogPoop is offline  
Old 2nd May 2017, 05:22
  #18 (permalink)  
 
Join Date: Jul 2005
Location: australia
Posts: 253
I would check the rigging of that aircraft pretty carefully.
flywatcher is offline  
Old 2nd May 2017, 08:01
  #19 (permalink)  
 
Join Date: Mar 2002
Location: Seat 0A
Posts: 8,161
Originally Posted by Griffo
Shudda 'picked it up' wif rudder.......
The wif couldn't pick it up, she was on the PA!
Capn Bloggs is offline  
Old 2nd May 2017, 09:57
  #20 (permalink)  
 
Join Date: Nov 2007
Location: Australia
Posts: 2,177
Pilot lost control at tree top height and walked away... looks to be an excellent selling point to me...





.
Flying Binghi is offline  

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright 2021 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.