Probably something to do with the wing design, angle of attack, use of flaps/ailerons. Stuff like that I suspect.
Great bike pictures and videos.
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Re: Great bike pictures!
Blundering about trying not to make too much of a hash of things.
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Re: Great bike pictures!
Badly.
AFAIK the aerofoil of your average plane wing is designed to produce optimum lift right way up, so you can't simply turn it upside down and expect it to fly. However, there are control surfaces which disrupt or enhance lift.
Stunt planes have - and I'm sure someone will correct me - aerofoil surfaces which are closer to symmetrical.
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Re: Great bike pictures!
Photoshop
This is what happens when a B52 banks too steeply.
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Re: Great bike pictures!
Photoshop?The Spin Doctor wrote: ↑Tue Nov 28, 2023 5:22 pmPhotoshop
This is what happens when a B52 banks too steeply.
No. YorickPhoneShop
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Re: Great bike pictures!
Badly.
One theory about the origin of the expression 'going pear shaped' was pilots trying to fly a loop but having the top flatten.
Now you tell us why most helicopters can't do a barrel roll
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Re: Great bike pictures!
Partly why Douglas Bader crashed back in the day and lost his legs .....did a slow barrel roll but started it too low while showing off and didnt account for the loss of lift when the wing was crossing over the upside down part of the roll. Ended up in a tangle of wreckageThe Spin Doctor wrote: ↑Tue Nov 28, 2023 3:23 pmBadly.
AFAIK the aerofoil of your average plane wing is designed to produce optimum lift right way up, so you can't simply turn it upside down and expect it to fly. However, there are control surfaces which disrupt or enhance lift.
Stunt planes have - and I'm sure someone will correct me - aerofoil surfaces which are closer to symmetrical.
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Re: Great bike pictures!
And showing why 'rules are for the
obeyance of fools, and the guidance of wise men' isn't always good advice. They had a rule about the minimum height for certain manoeuvres.
@The Spin Doctor will be along shortly to quote from the subsequent tribunal
As an aside, a mate (LabRat on Visordown) apprenticed as a saddler. He occasionally repaired DB's 'spare legs' bags. Said he was a miserable ... chap.
Last edited by Horse on Wed Nov 29, 2023 7:54 am, edited 1 time in total.
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Re: Great bike pictures!
Boeing famously did a barrel roll in an 'airliner', the plane which preceded the 707 as a tech demonstrator. So it can be done. Might want to stow your tray table first though.
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Re: Great bike pictures!
Mr. Dazzle wrote: ↑Wed Nov 29, 2023 7:38 am Boeing famously did a barrel roll in an 'airliner', the plane which preceded the 707 as a tech demonstrator. So it can be done. Might want to stow your tray table first though.
He says it's a "1g manoeuvre" so your drink might be ok.
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Re: Great bike pictures!
There's a video somewhere of a pilot in a light jet (Lear or similar), flying a nice smooth barrel roll, while pouring water from a jug into a glass. He managed to do it while you can see the horizon rotating through the cockpit glass.Horse wrote: ↑Wed Nov 29, 2023 8:01 amMr. Dazzle wrote: ↑Wed Nov 29, 2023 7:38 am Boeing famously did a barrel roll in an 'airliner', the plane which preceded the 707 as a tech demonstrator. So it can be done. Might want to stow your tray table first though.
He says it's a "1g manoeuvre" so your drink might be ok.
Edit : here it is :
non quod, sed quomodo
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Re: Great bike pictures!
I think I remember reading that Bob Hoover was the test pilots' test pilot.
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Re: Great bike pictures!
I've been going through old photos that we've found - Isle of Man, I'm guessing 1977?
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Failing that I appear to be armed.
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Failing that I appear to be armed.
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Re: Great bike pictures!
Is the bike moving in that pic, it looks a bit of a staged static shot.
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