Inventor Loft problem

[Artois]

Hiya -

need urgent help on the attached file.

Basically i need to loft the two halves of the circle & the ellipse, while following the R175 circle as a guide/rail.

really struggling

anybody have an idea??

 

[rollupswx]

You are in the wrong forum - this is the AutoCAD forum, not the Inventor forum.

You do not have an R175 guide rail in the file - only a construction arc.
If you edit Sketch1 and change the R175 to normal linetype rather than construction - it works fine for a Loft Rail.