Buoy stability explorer

Slide through the designs, change the payload weight, read the verdict. Arrow keys work too. Everything shown is calculated from the CAD, not drawn.

770 g
How this design was modelled
Total masswhat it weighs
–
Drafthow deep it sits
–
Freeboardheight above water
–
GMstiffness, higher is better
–
Max rightingstrongest push upright
–
Tips over atpoint of no return
–
At rest, to scale Push back upright vs tilt lead pod M G B +8 in+4 0−4 045 90135 180tilt angle (degrees) Green: pushes back upright · Red: tips it further Dashed: electronics housing (flange = chassis cap) No mass budget on record, so no waterline or stability curve:section only (true side cut of the STEP).

G weight centreB lift centreM tilt pivotM above G means stable