Here is another fly to throw into the ointment. It
is not uncommon in the Rocky Mountains to be forced
to leave strong thermals due to FL180. So how would
you set a MC when you are departing thermals before
they weaken?



At 01:42 30 September 2003, Greg Arnold wrote:

'Mike Borgelt' wrote in message
.. .
On Mon, 29 Sep 2003 16:40:28 -0700, 'Greg Arnold'
wrote:

Further, I believe that you want to use the average
climb rate at the
point
where you leave the thermal, not the average climb
rate for the entire
thermal.


Only because that should be the same as the expected
average at the
bottom of the *next* thermal.


Right, the point being that the climb rate in the middle
of a thermal is
irrelevant.



The only time you don't base Speed to fly settings
on the *next*
thermal is when leaving the final glide thermal -
then you should use
the rate of climb in the last circle or so.

Mike Borgelt