A solid impeller blade created by lofting a root and a twisted tip profile. Useful for analyzing blade geometry, airflow shaping, or preparing for radial array placement.

// Impeller Blade (Single)
// A solid impeller blade created by lofting a root and a twisted tip profile. Useful for analyzing blade geometry, airflow shaping, or preparing for radial array placement.
// Categories: Automotive, Aerospace

@settings(defaultLengthUnit = mm, kclVersion = 1.0)

// parameters
bladeHeight = 60 // height from base (root) to top (tip)
bladeChord = 40 // axial blade length
bladeThickness = 5 // thickness (profile width)
twistAngle = 30 // twist applied to tip (yaw)


// root profile (base of blade)
rootPlane = XY
rootSketch = startSketchOn(rootPlane)
rootProfile = startProfile(rootSketch, at = [0, 0])
  |> xLine(length = bladeThickness)
  |> yLine(length = bladeChord)
  |> xLine(length = -bladeThickness)
  |> close()

// tip profile (top of blade, twisted)
tipPlane = offsetPlane(XY, offset = bladeHeight)
tipSketch = startSketchOn(tipPlane)
tipProfile = startProfile(tipSketch, at = [0, 0])
  |> xLine(length = bladeThickness)
  |> yLine(length = bladeChord)
  |> xLine(length = -bladeThickness)
  |> close()
  |> rotate(yaw = twistAngle)

// create blade solid
twistedBlade = loft([rootProfile, tipProfile])


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single-impeller-blade