Thread: Mountain wave
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Old September 16th 04, 11:21 AM
Cub Driver
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Thanks for the additional information, Todd. Newsgroups are wonderful
(especially if there's no election going on). -- Dan

On Wed, 15 Sep 2004 10:26:14 -0400, Todd Pattist
wrote:

Cub Driver wrote:

IIRC, it's about 3x5 miles across.


Oh gosh, I'd assumed it was something that extended across New
Hampshire and maybe into Vermont and Maine!


OK, you got me wondering, so I looked it up. It's about
20nm x 13 nm - only off by a factor of four in length and 16
in area :-) I knew I shouldn't have tried to remember.
Mt. Washington is on the western upwind edge and the
downwind corners are about 13 nm diagonally SSE and NNE

Did this box exist before GPS?


Yes.

Can you really locate yourself so
precisely at 20,000+ feet?


It's easier with GPS, but it's not too hard if you get
familiar with the box corners.

Once established in a wave, it feels like you're parked in
3-space, so there's lots of time to get oriented and get
into the right position before vertically entering Class A.
It's quieter than flying has any right to be, and I can fly
by trimming my ship and then leaning to the sides or
front/back even though my cockpit only allows a few inches
of motion. The altimeter is rolling up, but ground speed is
near zero. You are sitting in majestic silence, high and
mighty above a mountain landscape of ice, snow, rock and
cloud. It brings a smile to my face to recall.

"It is possible to fly without motors, but not without knowledge and skill."
Wilbur Wright


all the best -- Dan Ford
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