www.youtube.com/watch?v=VKfBiFiVtgI#t=106 (http://www.youtube.com/watch?v=VKfBiFiVtgI#t=106)
Jeftina konstrukcija...trajna više nego bilo što...
www.youtube.com/watch?v=2x-WI1N-t_U (http://www.youtube.com/watch?v=2x-WI1N-t_U#ws)
www.youtube.com/watch?v=UF6pcWjctSA (http://www.youtube.com/watch?v=UF6pcWjctSA#)
Zanimljiva brzina s 5 ks
www.youtube.com/watch?v=SFZwUxEbxW0 (http://www.youtube.com/watch?v=SFZwUxEbxW0#ws)