MACRO HOBBY HK 香港遙控模型

Holmes Hobbies TorqueMaster PRO 550 21T Brushed Motor TMPRO550 #0260011

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+ When you need a quality brushed motor, there is no finer than a Pro Handwound from Holmes! The TorqueMaster series offers fantasic torque with extremely smooth startup for a well rounded motor for your Rock Crawler. FEATURES: 550 size provides extra torque and power Hand wound at Holmes Hobbies for highest performance 5mm web 3 slot armature- Maximizes torque, efficiency, and offers smooth startup Epoxy balanced armature ensures maximum torque, efficiency, and startup smoothness Silver brazed commutator connections allow higher tempurature operation Vacuum dipped armatures withstand high RPMs without failure Gold-plated copper brush hoods to resist corrosion and provide lowest resistance Aluminum heatsinks shed heat Filter PCB reduces EMF noise Brush damper reduces noise and arcing Can – 1.4mm thick uninterrupted back iron High-power FB12 ceramic wet magnets maximize torque and efficiency Dual Japanese Ball bearings Adjustable timing Holmes XX springs for consistent drag brake Holmes Soft Copper brushes for high torque and longest motor life Broken in for immediate installation and use SPECIFICATION: 21 turn three slot / 27,250 RPM @12v @ 12 degrees timing 27 turn three slot / 20,000 RPM (estimated) @12v @ 12 degrees timing 216 grams 36mm OD x 60 length (not including shaft) 1/8" diameter D shaft 1" (25.4mm) mounting pattern for M3 screws 6-9 cell nimh, 2-3s Lithium 23mm OD x 29mm length rotor Product weight: 222.00 grams Factory description: Holmes Hobbies TorqueMaster Pro 550 21t Manufactured by Holmes Hobbies Manufacturer number: HO/110100052

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