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To design safe, comfortable, high performance aircraft that are affordable to build, fly and maintain.


McMullan BelleStar

Wing Area 117 ft2 or 16858.7 in2
Wing Root Chord 57.75"
Wing Tip Chord 40"
Wing Sweep 3 degrees
Wing Taper 4 degrees
Wing Aspect Ratio 6.7
Wing Washout 2 degrees
Wing Dihedral 6 degrees

Aileron Area (each) 4.07 ft2 or 586.57 in2
Flap Area (each) 6.436 ft2 or 926.738 in2
Elevator Area 22.64 ft2 or 3260.50 in2
Rudder Area 14.69 ft2 or 2115.48 in2
Rudder Incidence 40 degreesHorizontal Tail Area 22.57 ft2 or 3249.74 in2
Horizontal Tail Span 115.0422"
Horizontal Tail Root Chord 35.5625"
Horizontal Tail Tip Chord 21"
Horizontal Tail Sweep 12 degrees
Horizontal Tail Taper 3 degrees
Horizontal Tail Moment Arm 13'9.875" or 165.875"
Horizontal Tail Aspect Ratio 4.07
Horizontal Tail Volume Coefficient .65
Horizontal Tail to Wing Incidence 4 degrees

Vertical Tail Area 14.32 ft2 or 2062.34 in2
Vertical Tail Span 65.3005"
Vertical Tail Root Chord 53.875"
Vertical Tail Tip Chord 18.4375"
Vertical Tail Moment Arm 13' 9.625" or 165.625"
Vertical Tail Volume Coefficient .060Fuselage Length 22'0.6875" or 264.6875"
Fuselage Height Wheels to Top
of Rudder 109.4423"
Fuselage Height Bottom of Fuse
to Top of Fuse 58.3824"
Fuselage Height Wheels to Top
of Fuse 84.3244
Fuselage Width 48.8672
Station - -13.0625 Center of front wheel axle
Station - 0 Forward firewall
Station - 15.5625 Leading edge of wing’s root chord
Station - 34.7998 Aircraft Center of gravity
Station - 44.0755 Center of rear axle
Station - 69.8993 Trailing edge of wing’s root chord
Station - 224.5326 End of rudder (top)Aircraft Weight 2000 lbs to 2500 lbs
Engine Ford 3.8 Liter V-6
Horsepower 180
Wing Loading 2000 lbs
2500 lbsHp to Weight ratio 2000 lbs 11.1
2500 lbs 13.9Passengers 2Wing Loading 17.1 lbs/ft2 (17 should be the maximum limit)

Design Notes
1-05-04 Made changes to wing angle. Front of wing is raised 1.5 degrees
Fuselage box is covered with 1/8" birch ply and .08 inch layer of fiberglass cloth.


Designed to be flown with Dave Blanton's Javelin PSRU and a Ford 3.6 liter V-6 engine.