PINEWOOD DERBY MATCHED SPEED WHEELS & SPEED AXLE COMBO CUB SCOUT BSA

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  • Item Category: Fraternal, Political, Organizations
  • Source: eBay
  • Sold Date: Jan 02, 2013
  • Channel: Auction House
MOLD MATCHED SPEED WHEELSPAIRED WITH A SET OF SPEED AXLES (OFFICIAL BSA) FREE SHIPPING ON THIS ITEM / COMBINED SHIPPING ON MULTIPLE ITEMS
THIS ITEM AND MORE AVAILABLE TO BUY NOW IN OUR E BAY STORE
50 + PINEWOOD DERBY ITEMS LISTED IN OUR E BAY STORE NEW ITEMS ADDED DAILY Visit seller's Store JUST !!! SET OF FOUR WHEELS & AXLES, THESE WHEELS ARE MOLD NUMBER MATCHED THEN ARE LIGHTLY LATHE TO ACHIEVE A PERFECTLY TRUED TREAD SURFACE (OD 1.170 +- ) REMOVING THE MOLD IMPERFECTIONS, THE WHEELS RETAIN ALL THE OFFICIAL MARKINGS . THE AXLE BORES ARE TRUED (ID.098 +- ) AND THEN POLISHED. THEY ARE OFFICIAL BSA WHEELS STRIGHT FROM THE BSA GRAND PRIX PINEWOOD DERBY KITS #17006 THERE ARE 16 DIFFERENT MOLDS USED TO PRODUCE THE BSA WHEELS FOR THE PINEWOOD DERBY. EACH MOLD IS SLIGHTLY DIFFERENT AND PRODUCES A WHEEL WITH A LITTLE DIFFERENT CHARACTERISTICS. TO ACHIEVE THE FASTEST SPEED POSSIBLE A MATCHED SET OF SPEED WHEELS IS A MUST. SET OF 4 PINEWOOD DERBY ( BSA) SPEED AXLES WITH ANTI-FRICTIONS GROOVE, TAPERED HEADS THEN HIGHLY POLISHED. THESE AXLES ARE FIRST STRAIGHTENED THEN TURNED ON A LATHE FITTED WITH A SET OF DIGITAL CALIPERS TO INSURE UNIFORMITY. ONLY THEN DO THEY GO THRU OUR SEVEN STEP POLISHING TREATMENT THAT POLISHES THEM DOWN TO AN .03 MICRON FILM ( 4000 + UNIGRIT EQUIVALENT). THE GROOVE REDUCES FRICTION AND ACTS AS A GRAPHITE
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