{"product_id":"torqstar-4125","title":"Torqstar 4125","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe TorQstar 4125 is a compact high-RPM brushless outrunner motor designed and manufactured by Lehner Motoren Technik in Germany. Delivering approximately 6 kW at peak efficiency with speeds up to 35,000 RPM, it is built for compact UAV, e-foil, and high-performance applications where power density and German engineering quality are critical.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eKey Technical Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eExternal rotor (outrunner) design — high torque density in a compact housing\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e6 kW peak power at 35,000 RPM\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePremium German manufacturing — built by Lehner Motoren, a proven European motor specialist\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e400 A — 6 mm connector system compatible for high-current operation\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAir or water cooling variants available depending on integration requirements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRobust mechanical integration — defined mounting with max. 6 mm screw-in depth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Brushless outrunner (external rotor)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMax. continuous power:\u003c\/strong\u003e ~6 kW (at peak efficiency point)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLimit speed:\u003c\/strong\u003e 35,000 RPM\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eConnector system:\u003c\/strong\u003e 400 A \/ 6 mm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Air-cooled (water-cooled variant available)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Designed and manufactured in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Compact UAVs, FPV racing platforms, e-foils, racing drones, and high-RPM industrial systems requiring premium European motor 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