{"product_id":"nuicent-m4-finished-premium-builder-pack-1","title":"NuiCent M4 31YZ Generator — Premium Builder Pack","description":"\n\u003cp\u003e\u003cstrong\u003eNuiCent M4 31YZ Builder Pack\u003c\/strong\u003e — the current FinishedNew M4 digital prototype package by Will Cole, focused on the lightweight \u003cstrong\u003e16 × 31YZ configuration\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe M4 uses four arms with \u003cstrong\u003e4 × 31YZ units per arm\u003c\/strong\u003e, for 16 units total. The preferred arrangement is a symmetric \u003cstrong\u003e2 clockwise + 2 counter-clockwise\u003c\/strong\u003e set within each four-unit group to reduce net gyroscopic reaction torque while retaining the radial loads from the rotating masses.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent NuiCent M4 FinishedNew STEP assembly.\u003c\/li\u003e\n\u003cli\u003eEditable Shapr3D project.\u003c\/li\u003e\n\u003cli\u003eDXF reference for the two-level main-belt route.\u003c\/li\u003e\n\u003cli\u003eSTL\/reference print files derived from the current M4 release.\u003c\/li\u003e\n\u003cli\u003eIllustrated build, belt-route and Positive Lock manual.\u003c\/li\u003e\n\u003cli\u003eN20 floating\/freewheel centre-drive source files.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e31YZ configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 × 31YZ units\u003c\/strong\u003e — 4 per arm × 4 arms.\u003c\/li\u003e\n\u003cli\u003eProject reference: approximately \u003cstrong\u003e160 g per 31YZ\u003c\/strong\u003e, about 2.56 kg total bare 31YZ mass.\u003c\/li\u003e\n\u003cli\u003eProject baseline: \u003cstrong\u003e12 V \/ approximately 3500 rpm\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003ePreferred balanced direction: \u003cstrong\u003e2 CW + 2 CCW\u003c\/strong\u003e per four-unit group.\u003c\/li\u003e\n\u003cli\u003e31YZ motors\/generators are \u003cstrong\u003enot included in this digital download\u003c\/strong\u003e unless a separate physical-motor listing is purchased.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMain M4 mechanism\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 × 3600 mm GT2 independent counter-running main loops.\u003c\/li\u003e\n\u003cli\u003e4 × 466 mm, 4 × 200 mm and 4 × 176 mm local GT2 loops.\u003c\/li\u003e\n\u003cli\u003eRail-guided inner and outer sliders.\u003c\/li\u003e\n\u003cli\u003eDouble-pull transfer through the main-belt route.\u003c\/li\u003e\n\u003cli\u003ePositive Locks and wedge-driven 90° handover.\u003c\/li\u003e\n\u003cli\u003eFloating N20 centre drive with T70 one-way freewheel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuild it and measure it\u003c\/h3\u003e\n\u003cp\u003eThe files are supplied for 3D printing, prototyping, study and mechanical testing. On the assembled build, measure centre RPM, 31YZ shaft RPM, true belt transfer, belt tension, Positive Lock holding force, electrical input and generator output under load.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerformance note:\u003c\/strong\u003e electrical output, continuous-duty life and self-sustaining\/perpetual operation are not guaranteed. Any claimed output must be confirmed on the physical build with simultaneous input\/output measurements.\u003c\/p\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eHigh-speed rotating parts, GT2 belts and mechanical locks can store significant energy. Use a rigid guard, current-limited commissioning and an emergency stop during powered testing.\u003c\/p\u003e\n\n\u003ch3\u003eLicence\u003c\/h3\u003e\n\u003cp\u003eDigital files are supplied for personal study, private modification and non-commercial prototyping. Redistribution, resale of the digital files, printed-part sales or commercial manufacture from the files requires Will Cole's written permission.\u003c\/p\u003e\n","brand":"NuiCent Perpetual Generator ","offers":[{"title":"Default Title","offer_id":59837142335813,"sku":"NCM-M4-31YZ-20261022","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1106\/4773\/8693\/files\/NuiCent-M4-Finished-Belt-Level-Route_659f4535-92a0-4a63-bcd4-fe5b73475fa9.png?v=1792575906","url":"https:\/\/nuicent.com\/products\/nuicent-m4-finished-premium-builder-pack-1","provider":"NuiCent Perpetual Generator ","version":"1.0","type":"link"}