1975 – Theta Xi A’s Xiclone gets pushed up Hill 2 in Prelims Heat 3 (from the 1975 Thistle)

1979 – Starting Line of Prelims Heat 3, with CIA B’s Streetcar Named Desire in Lane 2 (left) and Theta Xi A’s Xiclone in Lane 3 (right) (from the 1979 Thistle)

1980 – SigNu's ESP during practice. Theta Xi's Xiclone/Miscarriage can be seen on the curb. (from the 04-15-1980 Tartan)

A close-up of the hatch/windshield of Theta Xi's Xiclone (courtesy of the CMU Archives)

1979 - Starting Line of Men's Prelims Heat 3, with PiKA C's T-2 being placed in Lane 1 (left), CIA B's Streetcar Named Desire being placed in Lane 2 (middle), and Theta Xi A's Xiclone in Lane 3 (right) (Courtesy of the CMU Archives)

1979 – Starting Line of Prelims Heat 3, with CIA B’s Streetcar Named Desire in Lane 2 (left) and Theta Xi A’s Xiclone in Lane 3 (right) (courtesy of the CMU Archives)

1981 - Starting Line of Men's Prelims Heat 3, with Theta Xi's Xiclone in Lane 1 (left), Beta C's Echo in Lane 2 (middle), and SAE B's Intrepid in Lane 3 (right). Credit: Joseph Anderson

1981 - Hill 1 of Men's Heat 3, with Theta Xi A's Xiclone in Lane 1 (left), Beta C's Echo in Lane 2 (middle), and SAE B's Intrepid in Lane 3 (right). Credit: Joseph Anderson

1970 Prelims Heat 1 TDP bike vs. DU "Flying Door" (note how far behind it is) vs. TX's feet first "Xiclone." The "Flying Door" screamed around the course, finishing with a time of 4:10.

1976 - Theta Xi's Xiclone at Design Comp (courtesy of Frank Robb)

1987 - Theta Xi at Design Comp (courtesy of Frank Robb). From clockwise from left to right: Relayer (green and boxy, left), Slow Death (seated position, back left), Vapor (back middle), Valkure (back right), Little Nip (front right), Rapier (black, front), Nemesis (middle of circle)