Prop wash over the wings...sounds a bit like pulling yourself up by your
bootstraps.
Charlie
On Fri, Dec 11, 2015 at 10:09 AM, Ken Norton <ken@xxxxxxxxxxx> wrote:
> > Thanks for posting, Chuck, although my stomach is a bit queasy just
> > watching those ships pitch and roll. What really strikes me is how slow
> > those B-25's appear to be going when they take off. I know they had a
> good
> > headwind combined with the ship's headway, but they appear to be
> traveling
> > about 30 mph relative to the ship. Years ago I saw one take off at the
> > Geneva Airshow and I came away with the same impression. The plane looked
> > like it was traveling about 40-50 mph when the wheels left the ground.
>
> The B-25 was unique in that it had two distinct stall speeds. One with
> the engines going and one without. When the engines were cranked up to
> maximum take-off power, they could get off the ground right around 70
> mph with all the prop-wash flowing over the wing. So, if the ship was
> was under full steam into the wind, you might have 35 mph coming down
> the flight deck. The airplane only needs to pick up another 35 mph to
> get off the ground.
>
> The problem was that if you had an engine failure before you got above
> engine-out stall speed, your flight was done. Normal stall speed was
> like another 40 mph faster.
>
> AG
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