Parts list;
R/C transmitter / receiver kit, I used a FlySky FS-GT2B as it has a wheel for steering and a trigger for the sail winch arm which is easier for me (Same kit as an R/C car).
2 X standard size MG996R servos with metal gears. (Futaba S3003 style.)
2 X long servo arms, make sure that they match your servo. (Futaba 35mm type.)
2 X single tiller arms 32mm. long.
1.5mm stainless wire.
2.5mm brass rod.
4 X O rings - 2mm ID x 1mm C/S Nitrile for sealing the rudder / tiller shafts.
1 X C6002 RC Receiver On Off Battery switch.
6v battery.
Epoxy resin glue.
3mm plywood.
Brass screw eyes.