Patent ID: 7571527

Claim:
A mandrel for fabrication of a monolithic composite nacelle comprising: a first fairing bar having a generally flat arch shape and at least two radially located apertures; a second fairing bar having a generally flat arch shape and positioned parallel to said first fairing bar; a first outer section positioned between and attached to said first fairing bar and said second fairing bar, wherein said first outer section has an arch shaped cross section; a second outer section positioned between and attached to said first fairing bar and said second fairing bar, wherein said second outer section has an arch shaped cross section; a center section positioned between said first fairing bar and said second fairing bar and attached to said first outer section and said second outer section, wherein said center section has an arch shaped cross section; and a ball roller assembly attached to said first fairing bar and including at least one drive mechanism and at least three ball rollers, wherein said drive mechanism and said ball rollers protrude through said apertures in said first fairing bar, the ball roller assembly including rubber wheels that define an arc-shaped path, wherein said rubber wheels are in friction contact with said first outer section, said center section, and said second outer section.