i do 4.5 with calm wind/headwind or less than 30 or so knots on the tail.. 4 deg with tail wind up to 80 or so knots.. and 3.5 any other situation or if I think ATC may be giving speed restrictions.. dending on a/c weight you can get about 3500-3900 fpm at idle thrust from about 370-290.. about 3300-3500 from 290-200.. and 2800-3000 from 200 down to 10.. roughly
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