New Products Flash Sale
Thread Tools
Old Apr 30, 2001, 04:57 PM
Spin_Doctor is offline
Find More Posts by Spin_Doctor
Registered User
Spin_Doctor's Avatar

tiny brushless motor and i mean tiny tiny

wow i have too much time on my hands look at this motor
bidirectional, brushless DC motor
bipolar rotor with rare-earth permanent magnets
three stator poles, slotless
speed range: stepping mode up to 100,000 rpm
Nominal voltage UN 6 V

Maximum short-term voltage (75 s) UM 10 V

Coil resistance R 15 Ohm

Coil Inductance L 85 µH

Back EMF constant ks. 0.90 mVs 0.094V/krpm

Torque constant kT 0.86 mNm/A 0.12 oz-in/A 120°supply

Holding torque TH 110 µNm 0.016 oz-in

Thermal resistance stator-air Rth 155 K/W

Thermal resistance coil-stator Rth 3.5 K/W

Nominal current IN 130 mA

Short-term current (75 s) IM 160 mA

Mechanical time constant tm 16 ms

Rotor inertia J 2.6·10-10 kgm2 1.4·10-5 oz-in2

Friction torque TR 5 µNm 7.1 ·10-4 oz-in

Maximum Load FR 21 N 75.5 oz radial
FA 33 N 122 oz axial

Shaft play PR 10 µm 0.39 mil radial
PA 85 µm 3.35 mil axial

Weight M 1.4g 0.052 oz

[This message has been edited by Spin_Doctor (edited 04-30-2001).]
Sign up now
to remove ads between posts
Old Apr 30, 2001, 05:07 PM
planecrash is offline
Find More Posts by planecrash
Too young to be a senior.
planecrash's Avatar
Have you check out they got some 3mm motors.

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
For Sale Tiny Brushless motor CDR Baby bullet Micro pro bro steve Aircraft - Electric - Power Systems (FS/W) 5 Aug 09, 2007 05:11 AM
Wanted Teeeeny Tiny Brushless Motor! punkindrublik Aircraft - Electric - Power Systems (FS/W) 13 May 24, 2007 07:05 PM
Help! Tiny brushless motor choice 109Mechanik Parkflyers 24 May 18, 2007 02:41 PM
tiny brushless motor, tips anyone? caseyjholmes Scratchbuilt Indoor and Micro Models 22 Dec 03, 2005 10:12 PM
tiny geared motor info N20-1 Flyer103 Parkflyers 0 Jul 06, 2001 07:00 PM