Thread: Quick mental math for the cockpit
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Old September 18th 09, 08:24 PM posted to rec.aviation.soaring
Andy[_1_]
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Default Quick mental math for the cockpit
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