John Galloway wrote:
Look at the climb rate/altitude in the graph and time
to climb graph in the Duo T manual? These graphs are
realistic - for example I know that the Discus 2cT
graphs were derived from 11 hours of engine climb testing
time. The Duo T will only be expected to get as much
as 150fpm at low density altitudes.


Do you have a D2CT? What does its manual show as its climb rate at a
density altitude of 6,000' and 10,000' (just marginally above the Nevada
terrain on a hot day)?