Pack 802 Confidential 12/9/01 Pack 802 Pinewood Derby Clinic 12/9/01 by Scott Hamilton, Jeff Tobia & Mike Van Meter

Pack 802 Confidential 12/9/01 Introductions Scott Winner of Pack 637 Pinewood Derby in 1971 With trophy to prove it! Jeff Creator of Pinewood Derby Clinic concept Mike Helped design last year’s 2nd place car

Pack 802 Confidential 12/9/01 Overview of Pinewood Derby Parent/son project Build the car Follow the rules! Register and try out the car Saturday morning registration –Cars are weighed in and checked for conformance to the rules Race Saturday afternoon race

Pack 802 Confidential 12/9/01 How to Build a Car Buy one (or more) kits Pack meeting –Pack gets a portion of the proceeds Macalou’s Council Design it Determine if you will be competing in: –Speed competition, design competition or both Design first on paper Then on wood

Pack 802 Confidential 12/9/01 Shape it Whittle Belt sander Band saw Wood plane Rasp Sandpaper How to Build a Car

Pack 802 Confidential 12/9/01 Bring to race weight Weigh with wheels/axles/decorations (don’t forget paint will add a little) Lighten it –Drilling –Hollowing Make it heavier –Lead tape –Fishing weights –Washers –Weight kits from cub store/hobby shop How to Build a Car

Pack 802 Confidential 12/9/01 Decorate it Sand Primer Sand Paint/stain Sand Seal –Polyurethane Add stickers/decals –Available at Macalou’s Tape How to Build a Car

Pack 802 Confidential 12/9/01 Decorate it (cont’d) Glue-on: –Model parts –Figurines –Fenders Nail/groove treatments Attach wheels/axles Sand edges Glue axles to body –Don’t want the wheels coming off in the middle of a race How to Build a Car

Pack 802 Confidential 12/9/01 Lubricate car Graphite Teflon white lube Weigh it again How to Build a Car

Pack 802 Confidential 12/9/01 Rules Overview Technical rules How heats are run Design awards

Pack 802 Confidential 12/9/01 Axle grooves Straight Rear of car selected so that rear axle groove is closest to the rear Weight Heavier is better –Weight limit is typically 5.0 oz Further back is better –But not so far back that car becomes unstable Aerodynamics count! Design Tips - Use At Your Own Risk!

Pack 802 Confidential 12/9/01 Reduce all sources of friction Track to wheel Wheel to axle Wheel to body Car should roll straight Check by rolling on floor or table Design Tips - Use At Your Own Risk!

Pack 802 Confidential 12/9/01 In Conclusion Start to build your car earlier rather than later Have fun building the car with your Scout Follow the rules to avoid problems at registration Enjoy the competitions Speed and design Emphasize good sportsmanship Who needs help?