Lambda Two Piece (Aluminum & Brass)

The "original" ruby-tipped spin tops: crafted without compromise Kickstarter Original : This is the original design from my Kickstarter project. I still think it's the best. For me good design is all about balance and simplicity. The two-piece brass and aluminum is an exercise in both.  Making a good two-piece top is also exceedingly difficult. I retired the design for over a year and spent hundreds of hours prototyping to maximize consistency and performance. The tolerance level on both the spindle diameter and bore of the ring are necessarily held to +/- 0.0001 inches...basically the minimum tolerance the lathe is capable of. Holding this tolerance requires inspecting every 5 parts to make sure the machine is on size. Over the course of the day, the machine will drift up to .002 inches as air, machine and coolant temperature changes. You'll note this is 20x the allowable deviation. Making parts this precise comes at a cost. If you'd like to geek out you can refer to this article on