Valin,

Tim Ong demonstrated glide performance to me in 199L some years ago. Following is a summary of what I observed, and which I have in my Supplementary POH. Hope of some use.

Approx. sink rates at ~120-130kts IAS

 

Config                                          Sink rate, ft/min

Pitch full fine               Pitch full course

  (max rpm)                    (min rpm)

 

Clean                               1500                              500

10 flap                             1600                              1000

10 flap + gear                  2500                              2300

30 flap + gear                  3000                              2500