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Excerpt - page 230: "... 5.05 m (firing) 4.02 m Width: (travelling) 2.39 m (firing) 2.06 m Swept radius: (at 0° elevation) 2.48 m Height: (travelling) 2.075 m (firing) ..."
Excerpt - page 153: "... called the Twin Bike System (TBS) has been proposed (Figure 5-06). The TBS is a short radius human-powered centrifuge consisting of two coupled bicycles, ..."