Across
- 2. a fastener to keep shafts in place and prevents wheels from falling off
- 5. a circular object that rotates on an axle and is fixed below a vehicle
- 8. a specialty gear which creates "reciprocating rotation"
- 11. a special assembly piece designed to serve as a foundation for a variety of projects
- 12. use this piece to provide low-friction for shafts to easily turn in
- 14. commonly used to attach bearings, but Mr. Timmerman recommends using a screw/nut instead
- 16. a lever looking piece used to input motion
- 18. the flat metal assembly piece measured by the number of square holes it has
- 19. tightening mechanism that is very thin and can be used in some locations where it is practical
- 21. a specialty assembly piece that is used to fasten 2 or more structure pieces together
- 23. is used to create space between two parts, while adding stability
Down
- 1. Metal components can be attached together using these, come in a variety of sizes
- 3. 90 degree bent metal assembly part
- 4. a type of gear that engages with the links of a chain
- 6. be careful to not round or “strip out” the socket on the head of the screw if these are not fully inserted into the socket
- 7. a hardware piece used to create or maintain a space between two items to reduce friction.
- 9. a specialty gears that intersect at a 90 degree angle
- 10. a specialty gear that provides a mechanical connection between two non-parallel shafts.
- 13. come in many sizes and are identified by their number of teeth
- 15. square metal rod with rounded corners, used as a main motion piece
- 17. have a ring of “teeth” on one side of them to prevent loosening over time
- 20. this open ended tool fits nuts and standoffs
- 22. a specialty gear which mimics a spiraled revolving cylinder