63-meter Project 'Zeus' Coming Together For Hakvoort This superyacht will become the largest build to-date for Dutch yacht builder Hakvoort. They are more known for building motoryachts, particularly in aluminium, on a much smaller scale. The 63-meter superyacht currently known as Project 'Zeus' is now ranked right at the top of their ladder, in terms of largest in their build portfolio. The yacht is currently under construction with the hull largely completed and soon ready for superstructure to be mated. Build number 249 will be powered by dual CAT 3512C's to a contracted top speed of 15-knots. Longer range cruising speed is set at 12.5-knots.