Weekend Workbook

• Humphree X-Series X300 interceptors; includes a pair of 1113/ inch-wide interceptors with servo actuators, control unit, helm control panel, GPS antenna, wiring and Humphree wrench ($4,000, humphree.com)

• Allen wrenches (4, 5 and 6 mm)

• Socket wrench (36 mm)

• Torx wrenches (T25, T30, T35)

• Power drill with

8 mm bit

• Phillips screwdriver

• Hole saw (80 mm)

• Spring scale (for torque measurement)

• Grease

• Marking pencil