Jerry Springer wrote:

The Mooney I flew would gain 1" using the ram air feature. I don't
know if that is standard or how accurate the gauges are but that is what we
always showed.

Jerry
+++++++++++++++++++++++++++++++++++

I'm no expert, but that's probably pretty close.

Dunno about accuracy, but my RV-3
displayed somewhat less. For me...
it's all much ado about nothing since it
has little bearing on any practical ETA.

Barnyard BOb --