The XS-Ive, designed by Phil Rheilman, first was released as FE#28 in 2001.
It has subsequently been used in a number of 5 packs and once a series car.

First Edition XS-IVE

The XS-IVE features a large centrally mounted turbine engine behind the cockpit.

Engine of the XS-IVE

The XS-IVE is hinged, allowing the cab and the rear to rotate for rock climbing capability

Rotating feature of the XS-IVE

Some XS-IVE variations

A prototype XS-IVE, placed into BP and signed by Phil