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Specifications Updated - New 280 Motor & New performance measurements

These tables have been edited with data for the new 280 motor. The actual power increase over the previous 280 motor is about 20%. Most of this is in the form of speed. There is a small increase in torque.

Please do not compare these new specs directly with the previous numbers as it will give a false impression of the difference between the old and new motors. These new specs shown are based on more accurate measurements. If a direct comparison was made it would look like there has been a 100% power increase in the 280 motor. Whereas in fact the increase as stated above is only about 20%.

The 380 specs have also been redone and therefore it looks like this motor is more powerful as well. But in this case the same motor is still in use. It is only that more accurate specs are now displayed in the tables. Unlike the 280D and 280DL, there is no actual performance increase in the 380D and 380HD.

Performance Specifications: Based on 6 Volts regulated supply. Sheet speed, resolution and accuracy based on standard drums. 380D and 380HD - 32mm, 280D and 280DL - 26 mm. Actual performance will vary depending on battery capacity (mAh), type and condition of wiring, electrical connectors, switches and drum size used.

Back To Top Mechanical Specifications (metric)

Specification380D  [380HD]280D280DLUnit
Maximum Output Power14.3 10.7 10.7Watts
No Load Speed3.1 4.4 3.5revs/sec
No Load Sheet Speed312 359286mm/sec
Stall Torque29.9 15.9 19.9kg.cm
Standard Drum diam322626mm
Max Revolutions6 [9.6] 56Revs
Max Travel (std drum) 610 [975] 405 490mm
Resolution (std drum)0.6 [1]0.40.6mm
Accuracy (std drum)+/- 1 [1.5]+/- 1+/- 1mm
Dimensions79 x 54 x 6074 x 54 x 5974 x 54 x 59mm
Weight168 [175]134134gm

Back To Top Mechanical Specifications (imperial)
Specification380D [380HD]280D280DLUnit
Maximum Output Power 19.2 14.4 14.4mhp
No Load Speed3.1 4.4 3.5revs/sec
No Load Sheet Speed12.314.1 11.3inch/sec
Stall Torque 416 221 276oz.in
Standard Drum diam1.2661.021.02inch
Max Revolutions6 [9.6] 56Revs
Max Travel (std drum) 24.2 [38.7] 16 19.3inch
Resolution (std drum)0.024 [0.038]0.0160.02inch
Accuracy (std drum)+/- 0.04 [0.06]+/- 0.04+/- 0.04inch
Dimensions3.1 x 2.1 x 2.42.9 x 2.1 x 2.32.9 x 2.1 x 2.3inch
Weight5.9 [6.2]4.74.7ounce

Back To Top Electrical Specifications

Specification380D, 380HD280D, 280DLUnit
Idle Current2323mA
No Load Current 650 550mA
Stall Current 18 12Amps
Maximum Voltage99Volts
Minimum Voltage3.83.8Volts

Specifications subject to change.