I have made a few small changes to the polar converter tool.
When you use a SOL Race as input data, the interpolation is now identical to SOL, and Expedition format polars can now also be created.
I have also moved the tool over to codeplex so if there are any future modifications, or (god forbid) there is a bug to be fixed – you will get it automatically when you run the tool.
Full article here
Download from codeplex here