Lets edit the ship you use: go to \Program\Ships and open Ships_init.c in notepad, 
im gonna use the caravel as an example:
/// Caravel

refship.Soundtype = "lugger"; Here you can edit the ship sound
refShip.Class = 4; Here you can edit the ship class (1-2-3-4-5-6)
refShip.Cannon = CANNON_TYPE_CANNON_LBS24; If you know how to change this you can try, 
                    this changes the starting cannon of the ship
refShip.MaxCaliber = 32;  Max caliber of the cannon
refShip.Capacity = 5000;  Max space of storage
refShip.MaxCrew = 225;    You can edit the max crew (sailors) in the ship 
                          (Values are random)
refShip.MinCrew = 35;     Min crew of the ship
refShip.SpeedRate = 12.0; Ship Speed
refShip.TurnRate = 29;    Turning rate
refShip.Price = 42000;    The ship price
refShip.HP = 2500; Most important, the ship max health
refship.Type.Merchant = true; Is a merchant?
refship.Type.War = true; Is a war ship?

Are you angry because enemy ships aways spawn trying to kill you? Go to 
\Program\WorldMap and open worldmap_encgen.c
//??????? ??????? ? ???????
#define WDM_STORM_RATE 0.0001 You hate storms? Put 0.00000001 and you 
never see one!
//??????? ????????? ? ???????
#define WDM_MERCHANTS_RATE 0.05  How much merchants you want? 
They have a shit defense and a high amount of goods
//??????? ??????? ???????? ? ???????
#define WDM_WARRING_RATE 0.015  I think this is the percentage of 
how much battles in sea
//??????? ?????????? ???????? ? ???????
#define WDM_FOLLOW_RATE 0.005  This is the percentage of follow you 
(Trying to kill you)