 All results calculated with UliSpeed 3.3
 for details see www.remmlinger.com

*    IOM Model yacht   *                                              
 
 Hull geometry defined in: OFFSETS/OFFS_iom.txt
 Appendages defined in: APPEND/AP_IOM.txt  
 Input data in file : INPUT/USL_iom_IN.txt
 
 hull properties in heeled attitude with sinkage and trim:
 displacement (kg)         =    4.050
 crew on rail (kg)         =    0.000
 lead bulb    (kg)         =    2.386
 waterline length (m)      =    0.947
 beam in waterplane (m)    =    0.165
 draft of canoe body (m)   =    0.058
 COG aft of LE keel (m)    =    0.045
 trimming moment (Nm)      =    0.000
 in upright condition, flat water, zero speed:
 maximum draft (m)         =    0.415
 length over all (m)       =   1.0006
 
 sea state:
 all wind angles are measured against the centerline
 V wind true =        6.0 kts.
 TWA         =       33.0 deg.
 flat water, no waves
 turbulence  =       0.28   % 
 
 rig properties:
 main hoist  =      100.0   %.
 Jib profile =      NACA  
 LP Jib      =       94.3    %
 CAMDIS      =        3
 position of jib-car on deck:
 sheet. angl =        9.0 deg.
 to centerln =      0.060    m
 
 equilibrium of forces and moments achieved for:
 Fx aero     =      0.791  N  
 Fy aero     =      3.522  N  
 FS aero     =      3.237  N  
 heel.moment =      2.566  Nm 
 V boat      =      2.151 kts.
 AWA         =     22.161 deg.
 heel angle  =     27.233 deg.
 leeway      =      1.842 deg.
 rudder ang. =      0.012 deg.
 weather helm = +
 sinkage     =     -0.002  m  
 draft increase = +          
 pitch-angle =     -1.113 deg.
 bow up = +                   
 
 specific load on rudder is  0.59 times that of keel
 boat is balanced
 
 drag components in the direction of travel:
 Rviscous cb =      0.241  N  
 Rinduced cb =      0.037  N  
 R keel      =      0.198  N  
 R rudder    =      0.088  N  
 R bulb      =      0.122  N  
 R residual  =      0.208  N  
 ad in waves =      0.000  N  
 R propeller =      0.000  N  
 
 VMG         =      1.765 kts.
 
 optimization of trim parameters:
 F_merit     =      2.120
 Nspike      =        0
 PENALTY     =   0.1465E-01
 
 Sail trim parameters in rad
       X1 =     0.0000
       X2 =     0.5483
       X3 =     0.0557
       X4 =     0.4435
 
 Sail trim parameters in deg.
 sheet.angl. main =    0.00 deg.
 twist main       =   31.42 deg.
 camber jib @clew =    5.57  %  
 twist jib        =   25.41 deg.
 
 shape of the mainsail: chord c can be calculated from:
 c = SQRT(A*(B-z))+C
 A =       0.12532
 B =       1.73855
 C =      -0.11177
 z = height above boom in meters
 
 apparent Wind at 10 m height above and parallel to 
 waterplane and relative to the centerline,
 add the leeway if the angle to the track line is required
 V apparent  =      7.862  kts
 AWA         =     24.007  deg
 
 apparent wind, measured with anemometer at masttop
 components at right angle to the mast, angle against the centerline
 indicated windspeed   6.89  kts
 indicated direction  22.42  deg
