Prueba y cambia esto:
Código PHP:
s1 = new Ship( tablero->Parent, Point(40 + Form2->Image2->Picture->Graphic->Width/2,40 + Form2->Image2->Picture->Graphic->Height/2), Point(240 + Form2->Image3->Picture->Graphic->Width/2, 410 + Form2->Image3->Picture->Graphic->Height/2) );
Por:
Código PHP:
s1 = new Ship( tablero, Point(40 + Form2->Image2->Picture->Graphic->Width/2,40 + Form2->Image2->Picture->Graphic->Height/2), Point(240 + Form2->Image3->Picture->Graphic->Width/2, 410 + Form2->Image3->Picture->Graphic->Height/2) );