Please find below some images of the conversion I'm working on of the Supermodel S.81 into the S.73 airliner.
I hope you like it.
Kind regards,
Peter
The fuselage with new windows and Evergreen strip for ribs:

The interior with 18 tiny scratchbuilt seats:

Interior fitted:

The under carriage modified and with main wheels made fatter:

The long cowlings with added oil cooler intakes:

















