Como Drills
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    • RS Stock No. 413-0600
    • Manufacturer Como Drills
    • Mfr. Part No. 918D1001
    • RoHS Status
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    Specifications
    Core ConstructionIron Core
    Current Rating0.85 A
    Gearhead TypeSpur
    Length50mm
    Maximum Output Torque20 gcm
    Output Speed7800 rpm
    Power Rating1.6 W
    Shaft Diameter2mm
    Supply Voltage1.5 → 3 V dc
    Width27mm
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    Model Motors & Gearboxes - Spur

    These motors have in-line metal gears fitted; the final output speed is determined by the motor supply voltage.

    Reduction Table (rpm) - 918D series 25mm
    Manufacturer Part No. 1.5V 3V 6V 12V 18V 24V
    918D151 306 613
    918D301 153 306
    918D1001 46 92
    918D2501 18 37
    918D10241 4.5 9
    918D15112 280 560 840 1120
    918D30112 140 280 420 560
    918D100112 42 84 126 168
    918D250112 17 34 50 67
    918D1024112 3 7 11 15
    Reduction Table (rpm) - 919D series 35mm
    Manufacturer Part No. 4.5V 6V 9V 12V 15V
    919D2.51 2250 3000 4500 6300 7900
    919D61 990 1316 1975 2633 3295
    919D111 540 718 1077 1436 1800
    919D501 120 158 237 316 395
    919D1001 59 79 119 158 198
    919D1481 40 53 80 106 132
    919D5001 11 15 21.5 30 37.5
    919D8101 7.5 10 15 20 25
    919D30001 1.5 2 3 5 6

    MFA Como Geared Motors

    A selection guide for MFA Como Geared Motors available:

    Multi-ratio spur geared motors:

    Suitable for low torque R&D and education applications
    Useful in seeking suitable speeds for applications by selecting the appropriate ratio and/or voltage

    Metal single ratio spur geared motors mounted on steel brackets:

    Suitable for industrial/modelling applications
    Economical and easily accessible

    Metal single ratio epicyclic geared motors:

    Suitable for industrial/modelling applications
    Higher efficiency than spur (can be above 90%)
    Smaller size and weight for the same or similar rating
    Can be equally efficient in either direction
    Co-axial configuration of input and output shafts allows inline installation with motor and machine

    Motor Data for Geared Motors
    Manu. Part No.. Voltage No Load No Load Max. Eff. Max. Eff. Max. Eff. Power Stall Torque Body Length Shaft Dia.
      dc rpm Amps rpm Amps Torque (gcm) W gcm mm mm
    RE140 1.5 - 3 @ 3v 14800 0.3 11500 1.05 10.92 1.21 49 21 2
    RE280 1.5 - 3 @ 3v 9200 0.15 7800 0.85 20 1.6 62 30.5 2
    RE280/1 12 - 24 @12v 8400 0.1 6300 0.3 25 1.62 100 30.5 2
    RE385 6 - 15 @ 12v 11000 0.16 9281 0.84 65.3 6.21 417.6 38 2.3
    RE540/1 4.5 - 15 @ 12v 15800 0.52 13360 2.85 154.4 21.2 1000 50 3.17
    941D 3 - 12 @ 12v 8000 0.018 6568 0.52 8.68 0.5 26 26.8 -
    944D 6 - 12 @ 12v 8000 0.07 6650 0.2 18 1.25 100 32.3 -
    975D 6 - 12 @ 12v 7000 0.9 5700 5.5 700 41.3 4290 65 -
    986D 6 - 12 @ 12v 5167 1.06 4289 5.28 837 36.88 4923 69 6.4
    990D 3.0 @ 3v 12500 0.08 10300 0.34 5.6 0.59 22 30 -
    Figures quoted for 1.5 to 3Vdc and 3Vdc motors running at 3Vdc; at 12Vdc for other motors. Body length dimension indicates approximate length of the main body of the motor visible. Where this may be critical, allowance should be made for the rear motor bearing and electrical terminals.
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