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Old September 18th 09, 08:32 PM posted to rec.aviation.soaring
Andy[_1_]
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Default Quick mental math for the cockpit

On Sep 18, 12:24*pm, Andy wrote:
On Sep 18, 7:28*am, tstock wrote:



Thanks for the tips, as a new glider pilot this is very useful info.


Pre GPS I did rough glide estimates with my thumb. *My thumb form
nucke to tip is about 10 miles and needs 2000ft


Hit the wrong button!!!

Pre GPS I did rough glide estimates with my thumb. My thumb from
nuckle to tip is about 10NM and represents about 2000 ft required for
glide at 30:1. Just "pace" off the distance on a sectional and add
the required finish altitude.


Andy