Prop For an OS 1.60
for what you are looking for the 18 x 6 zinger pro will be the choice.
i have ran the following on my 2-OS-160
18 x 6W APC (3D spool up time will be slow)
18 X 6 Mejzlik
18 x 6 Zinger Pro
all of the above props have unlimted verticle the mejzlik over revs we are talking 9600 RPM on the ground with 15% cool power, richen up to 9400 F- plug.
18 x 8 Moki fast prop.
For all around flying i hear that 18 x 8 mejzlik is great again that is 4 all around flying. I have yet to try one.