London Banter - View Single Post - Plan to pedestrianise London's Oxford Street scrapped

John Williamson · June 14th 18, 12:46 PM posted to uk.transport.london

On 14/06/2018 13:27, wrote:
On Thu, 14 Jun 2018 10:22:52 -0000 (UTC)
Recliner wrote:
wrote:
Feel free to point out where exactly that means airliners are incapable of
landing at more than 3 degs and will stall at 6. I notice the other guy never

posted a link to back up this assertion. Funny that.

You've had your free education for this month. Go and do your own research.

If you were a teacher I think your school would be in the "failing" category.

And as you well know, if someone makes an assertion its up to them to back it
up, not for others to disprove it. If he doesn't then I'll simply assume he
can't.

As you seem not to believe anything you do not have personal experience
of, here is a quote from a Boeing 738 pilot "I can only speak from
personal experience - the steepest approach I've flown in the 738 was a
4.5° final descent, but that's fully configured at flaps 40 from the top
down. Anything steeper or the slightest tailwind and you won't make it."
As in, the aeroplane stalls and falls out of the sky.

Most commercial airliners are not even permitted to go as steep as 4.2
degrees. The reason is that to keep flying at steep glide angles, the
airspeed has to exceed the maximum safe landing speed. For an amusing
way to verify this information, load a Boeing 737 or other airliner
model into a free flight simulator program on your computer or phone and
play with various glide angles and the associated speeds until you get
bored or stop crashing.

If you want better proof, then try writing to Boeing or Airbus, who will
no doubt give you the answer you seem unable to believe.

--
Tciao for Now!

John.