The uni F16 is as fast or faster than the sloops upwind in medium breeze. So with 10knots you should have no trouble living with the sloops.
The Achilles heel for the uni F16 is boat handling in anything above 15knots. However upwind in this level of wind the two modes are still fairly even.


John Alani
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Stealth F16s GBR527 and GBR538