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Astro Flight Firefly 4:1 Cobalt w/Speed Control
Astro Flight Firefly 4:1 Cobalt w/Speed Control
Price  $91.95  Order
This is this Astro Firefly Coreless Motor with Speed Control.
                     This is used with indoor aircraft.

FEATURES: Samarium cobalt magnets.
          Black in color.
          Built in 4 to 1 planetary gear box.

INCLUDES: One motor.
          One Firefly Speed control Model 200.
          One 5x4 white plastic propeller

REQUIRES: Battery: 6-8 cells NiCd or 2 or 3 lithium cells.

SPECS:    Motor Length:   1.53" (39 mm)
          Weight:   12 grams
          Motor Diameter: 10 mm (0.39")
          Current draw with 5x3:  450 mah on six NiCds
          Current draw with 4x2:  450 mah on eight NiCds
          Best Efficiency:  83% @ 300 mah
          Motor Kv:  4300 rpm/volt
          Armature resistance:  2.1 ohms
          No Load Current:  25 mah

COMMENTS:  This motor has very little inductance in the armature winding, so it
           requires a special speed control.  The included Astro Model 200
           Firefly Control is recommended.  Using a conventional speed control
           designed for speed 280 and speed 400 motors will damage your motor.

                                                                     cdh 1/8/03
                                                                         ir/jxs


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