(...) Followup... this works beautifully. I was a little worried at a few stages of construction when the 1x4 brick sometimes would rotate until it wasn't engaging either gear and then sit there with the 8t gears spinning freely- but in the full (...) (19 years ago, 28-Sep-05, to lugnet.technic)
(...) Hi Tony, I'm glad I could help... I've added three more simple mechanisms to the webpage (actualy two pages now): (URL) are: - The walking worm gear one into two. This turned out to be very compact but not as reliable as the spur gear one (...) (19 years ago, 29-Sep-05, to lugnet.technic)