Strike 20 trimaran sailing fast to windward

In a previous video Patrick was reaching fast (over 15 knots) on his home built plywood main hull Strike 20 trimaran. In this video he is sailing to windward, also fast, around 10 knots. He is using a Nacra 5.8 beach cat for outriggers and a Hobie mast In an email he wrote "My friend at the helm is a long time Hobie 14 / 16 sailor (76 years old!), but he sails too conservatively " You can see more on the Strike 20 here http://sailingcatamarans.com/index.php/designs-2/27-trimarans-under-25/433-strike-20