MS wrote:
The article should have stated the inherent dangers with using a high
drag approach, diving at the runway with full spoilers and then making
all the adjustments. It's not conservative. It's not stable. It's not
needed.

Just as a data point, I tried the high drag approach in an ASK-21
(probably what the author had also used) a couple days ago, and in this
ship it works great, and is not unstable:

We were a bit low, turning final and 1000' short of the threshold at
600' AGL. I pulled full spoilers and aimed for the airport fence,
about 500' short of the end of the pavement. Only managed to get
airspeed up to 75 or so knots before I had to level out at about 50'
AGL. Then I found myself very quickly slowing to 50 knots and short of
the runway over the grass overrun, so did close the spoilers until
crossing the pavement, then made a normal 1/2 spoiler touchdown. If I
were higher, the roundout from the dive would have occurred over the
runway, and so the only action would have been to level out, wait for
airspeed to drop, and complete a normal (almost) full spoiler landing.

So... I was too low to really have a need for this maneuver. A slip
with full spoilers would have been enough. But... In the ASK-21 and
quite likely any other sailplane with strong spoilers and a good habit
of losing speed in level flight with spoilers (my ASH-26E is not one of
these), this would be a useful way of losing altitude much faster than
spoileer and slip alone. Next time, I'll try if from a normal distance
turn to final, but at 1500' or so AGL.

-Tom