On Sat, 08 Aug 2020 23:58:05 -0700, Tango Whisky wrote:

Thermals are turbulent, and a 1 sec time constant means that the vario
would be all over the place and completely useless. Use your butt
instead.

Best fast electronic I've used is the (now quite ancient) Borgelt B.40.
Somehow it manages to be both fast and adequately damped: the needle
never jitters about, but I agree with Tango Whisky - never ignore what
your butt is telling you.


--
Martin | martin at
Gregorie | gregorie dot org