Waxaa loo isticmaalay 70 muraayadaha, mid kasta oo leh daahan naxaas ah iyo cabbir qiyaastii shan by saddex feet (1.5 by 1 m). muraayadaha ayaa lagu tilmaamay in a plywood mock-up of a Roman markab dagaal oo masaafo ah qiyaastii 160 feet (50 m). Marka muraayadaha ayaa diiradda si sax ah, markabka qarxay olol gudahood dhowr ilbiriqsi. markabka plywood lahaa daahan ah oo tar, taas oo laga yaabo in ay ka qayb gubashadii. daahan ah tar lahaa meel caadi ah oo ku saabsan maraakiibta ee xilligii classical. In 2005 koox ka mid ah ardayda ka MIT bishii Oktoobar qaadeen bus hal 127 square-foot (30 cm) tijaabo alwaax ah, muraayadaha ayaa sidoo kale la dhigay dhinaca bari ilaa qiyaastii shan by saddex feet (1.5 by 1 m).
Dab ayaa ka kacay qeyb kamid ah markabka