I'll second what Bill. I too fly a Mosquito.
I go to -1 at 65kts.
I don't use -2.
In previous years I was using +.5 (someone put an additional notch in my
ship) and about 58kts for thermalling. This year I've slowed down to about
50kts and using +2. I'm getting a better rate of climb. Some advocate a
notch btwn +1 and +2.

"bagmaker" wrote in message
...

Where can I learn about the optimum speed to fly in a particular flap
setting?
I am flying a Mosquito, the handbook is not so easy for me to access.
Thanks in advance, Bagmaker.




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bagmaker