Variable trimaran using natural power

A variable trimaran using natural power, which has a center hull 2 having a deck 10, and an outer hull 3 located at the side of the center hull 2, the variable trimaran comprising:

• a horizontal adjustment unit 100 for adjusting the location of the outer hull 3 with respect to the center hull 2 by adjusting a location of a side deck bar 160 of the deck in a horizontal direction;
• a vertical adjustment unit 200 for adjusting the vertical location of the outer hull 3 with respect to a water surface;
• a solar power generation unit 300 which is installed on the deck 10 of the center hull 2, and comprises a solar power generator 310, a longitudinal angle adjustment unit 320 for adjusting a longitudinal angle of the solar power generator 310, and a transverse angle adjustment unit 330 for adjusting a transverse angle of the solar power generator 310;
• and
• a wind power sail unit 400 which comprises a mast 410 vertically disposed to face a front part of the deck 10, a boom 420 perpendicularly contacting each of the lower ends of the mast 40 and disposed to be horizontal to the deck 10, and configured to be folded, and a main sail 430 and a boom sail 440 fastened to the mast 410 and the boom 420, respectively.