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Length:  3-1/4"
Width: 2-3/4" 
Height:  2-1/2"
Shaft Ht:  7/8"
Shaft Diameter:  3/16"
Weight:  12 oz.

 

2041 Motor-Gear Box Unit      by M.A.C.K.    

This compact size unit will fit where other motors with gear reduction won't.  It's ideal for the modeler who has a speed control capable of 12 VDC, 5-amp max.  The unit is supplied with one of the following heavy duty, high impact nylon gear sets.  Optional gear sets are also available.

Motor-Gear Box Units with Gear Set:

 # 2041-15            $99.25
 # 2041-20            $99.25
 # 2041-30            $99.25
 # 2041-40            $99.25


Gear Sets Only:         
    15      1.5 to 1       $13.75
    20      2 to 1          $13.75   
    30      3 to 1          $13.75
    40      4 to 1          $13.75

Length: 3-1/4"
Width:  3-3/4"
Height:  2-1/4"
Shaft Ht:  1-1/8"
Shaft Diameter: 3/16"
Weight:  21 oz.

 

 

2500  Twin Motor-Gear Box Unit  
                                               
by M.A.C.K.

This unit features two of our powerful # 5045 Marine Motors mounted in our low profile, all aluminum, anodized gear box, geared to one output shaft.  Rated at .40 gas, the unit runs on 12 VDC with a 10-amp draw at maximum efficiency.  It has lifetime oilite bearings and heavy duty, high impact nylon gear sets.  Available in your choice of 4 different gear ratios, one of which is supplied with the unit.  Optional gear sets are available.

Motor-Gear Box Units with Gear Set:

 # 2500-2515      $179.75
 # 2500-2520      $179.75
 # 2500-2530      $179.75
 # 2500-2540      $179.75

Gear Sets Only:   

  2515      8000 RPM's   1.5 to 1   $16.25
  2520      6000 RPM's   2 to 1      $16.25
  2530      4000 RPM's   3 to 1      $16.25
  2540      3000 RPM's   4 to 1      $16.25



Length:  2-3/4"          Height:  1-5/8"
Width:  1-1/2"           Weight:  4 oz.
  Shaft diameter:  4 mm.

1885-G  Motor-Gear Box Unit   by M.A.C.K.

This is our powerful 1885 Motor with an all-metal, ball bearing gear box and motor mount.  Each unit comes with three gear ratios:  2 to 1, 2.5 to 1 and 3 to 1, making it the perfect power unit for smaller models up to 3 feet in length.  The unit is rated from 6 to 12 volts and can easily handle two 7.2 volt Ni-Cad packs in series for 14.4 volts.  The low amp drain of 600 mil. amp. will give run times of HOURS, not minutes, and can handle prop sizes up to 2.25" on either 3 or 4 blades.

Price:  $51.25

Length: 2-3/4"
Width:  1"
Height: 2-1/2"
Shaft Ht:  7/8"
Shaft Diameter:  3/16"
Weight:  5 oz.

1541  Gear Box Unit               by M.A.C.K.   

This is the unit to use for larger scale models using three, four and five blade propellers.  All aluminum construction with anodized finish and nylon machined gears.  This unit will handle speed and torque of any electric motor on the market, as well as gas engines up to 1.5 cu. in.  It comes with one gear set, but additional gear sets are available.

Gear Box with Gear Set:
 #1541-15    $55.50
 #1541-20    $55.50
 #1541-30    $55.50
 #1541-40    $55.50

Gear Sets Only:   

  15
      1.5 to 1   $13.75
  20      2 to 1      $13.75
  30      3 to 1      $13.75
  40      4 to 1      $13.75          

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