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Electric Boat Motors Devon
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** Lynch Motors will be closed for our annual holiday from 14th to 18th August 2017 inclusive **
All e-mail’s, messages and orders will be responded to on Monday 21st August, thank you.
Performance Curves
Continuous and short term current ratings
  • 12V
  • 24V
  • 36V
  • 48V
  • 60V
  • 2X2 Version: Type D
  • 2X2 Version: Type D - 96 V
  • 2X2 Version: Type D - 120 V
12v Performance Curve
Devon Motors Electric
24v Performance Curve
Electric Motors Devon
36v Performance Curve
Electric Motors For Boats
48v Performance Curve
Electric Boat Motors
60v Performance Curve
Electric Motors for Boats
2X2 Version : Type D - 60 VOLTS, 400 AMPS
Electric Motors for Boats
2X2 Version : Type D - 96 VOLTS
Electric Boat Motor
2X2 Version : Type D - 120 VOLTS, 200 AMPS
Electric Boat Motors
100A at 12V rising to 200A at maximum rated voltage, or at any permitted voltage if external blower is used to increase airflow at low voltages.

250Amps - 1 min , 350Amps - 5 Secs (any voltage).

Ambient air temperature 0-40° C at sea level. (Consult the works about operation at altitudes.) The nominal voltage for each magnet size may be increased by 12V for racing vehicles or boats, provided that the motor will not be driven above its normal maximum speed. Nominal voltage must be reduced by 12V if the motor is used for regenerative braking by driving it above normal running speed. Continuous current limit must be reduced by about 40% (by 60% on the 75rpm/volt version) if the motor is run for long periods in both directions other than at low speed and load (due to need for compromise brushholder adjustment). Consult the works for discussion of specific applications.

Permanent magnet motors have a ‘shunt’ characteristic. No-load motor speed is directly proportional to applied voltage, and this speed falls only slightly as increasing load is applied. They are thus ideal for controlled speed applications - eg mopeds or industrial drives - where the `shunt’ characteristic will ensure that the motor will not over-speed on low loads. A vehicle such as a moped or a mobility scooter which is subject to a legal speed limit can be given excellent acceleration and hill-climbing and will run on the level with low current consumption and without exceeding the limit. A pedestrian-controlled vehicle correctly geared will maintain walking speed up or downhill.


Speed control can be by high frequency - 15 Khz upwards - PWM electronic controller, from Curtis, Brusa, 4QD or other manufacturers. Use of resistances, perhaps together with series/parallel battery switching, offers simple speed control in appropriate cases - eg in boats - particularly if the motor is running at full speed most of the time - for example in a boat intended to be hired out. A form factor near to unity will ensure that the motor runs near to peak efficiency. For larger values of form factor, tests should be carried out to check temperature rise. Further advice on this aspect can be obtained from the works.
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