| Positives | Negatives |
| A chain doesn’t slip, and does not easily fall out of its track | Gear and chain systems we found were expensive (eg. JameCo plastic system would be $200+ for the length of chain we desired) |
| Relatively little work would be needed to set up the system, with the right components | Gear and chain system was too heavy for our motors if, for instance, metal gears and chain (from a bicycle) were used |
Method was not chosen