Buying a track, wood vs. metal - Derby Talk
网页2005年12月16日 · Re: Buying a track, wood vs. metal. by gpraceman » Wed Dec 21, 2005 4:10 pm. They each have their advantages and disadvantages. Wood. + Easier to repair if damaged. + Less expensive than aluminum (can go with a shorter track) + Quieter as cars are running down.
Don't use magnets as weight - Derby Talk
网页2016年11月7日 · Re: Don't use magnets as weight. by gpraceman » Sun Nov 13, 2016 12:11 am. The mom said they used the magnets because it was what they had on hand already. Randy Lisano. Romans 5:8. Awana Grand Prix and Pinewood Derby racing - Where a child, an adult and a small block of wood combine for a lot of fun and memories.
Pinewood Derby Track (4 lane) and Digital Timer - Derby Talk
网页by mgonz121 » Fri Feb 09, 2024 8:09 pm. 32 Foot Wood Track, 4 Lanes, includes Fast Track Timer (Micro Wizard Q series Digital with all K3 options) $500 for track and timer. Must pick up. Manufactured by Piantedosi Oars Incorporated. Piantedosi is the world’s largest Pinewood Derby Track manufacturer. Their track is fabricated from marine ...
OFFICAL BSA TRACK SPECIFICATIONS - Derby Talk
网页2004年3月31日 · OFFICAL BSA TRACK SPECIFICATIONS. by GILLS » Fri Jun 25, 2004 1:38 pm. O.K. PROFESSORS, Mr. Pope has published on his website that the height of the starting line on a track should be about 48" above the track height at the finish line. Mr. Pope refers to the Cub Scout Leader manual LM33831, but I can't find this manual anywhere.
Why would you put mercury in a pinewood derby car? - Derby Talk
网页2003年7月3日 · Orient a half-torus void, nearly vertical, in the body of the car in such manner that the mercury can be held in the upper part of the void until the car is nearly level. As the car reaches level, the mercury drops, releasing additional potential energy. The same effect can be achieved with a pendulum-like weight. This explanation is from theory.
Rule about 3/8" underbody clearance - Derby Talk
网页2006年3月10日 · That is a helpful and practical rule. The height of lane strips are generally 1/4" so in the flat a 3/8" clearance will provide plenty of room to prevent from bottoming out. The problem comes on the curve. The ends of the car are the most likely place that a car could bottom out, due to the curvature of the track.
Magnet question - Derby Talk
网页2012年1月13日 · If there are metal parts in the track, the magnet will draw the car towards them as it approaches and as it attempts to leave them. Not sure if there is anything to gain there. Our own rules state: "4. Gravity powered only. No power assist devices such as rubber bands or magnets." Makes sure no one tries …
World's Cheapest Pinewood Derby Track! - Derby Talk
网页2004年1月29日 · Between scrounging and some creative material selection I built a track, including electronic scoring, for about $80. Some general pointers: 1. Minimize waste and materials overall. I used the plans from the Cub Scout How To book as a base. One 4x8 sheet of 1/2" particle board that I ripped into 4 lane sections.
Wheel/Axle prep - Graphite Packing - Derby Talk
网页2012年4月19日 · Re: Wheel/Axle prep - Graphite Packing. by sporty » Tue Jan 26, 2010 11:30 pm. There are many factors in lube prep work. Over packing is not really a very good idea and will likely slow the car down for many runs before before getting to the effectiveness of the lube. Often as it is, many are adding to …
Need replacement switch for RaceMaster timer - Derby Talk
网页by Speedster » Thu May 03, 2018 4:27 am. MicroWizard Timers has an RS Remote Start Switch and 50' of cable for $15.00. My switch closely resembles the one shown by Vitamin K. They state if you are ordering this switch for a previously purchased timer give them a call and tell them exactly what you have.