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В Bazar.BG от 23 декември 2010г.
181 обяви на потребителя
Електромотор BRUSHLESS EVO 3 → Обява 26527503
Електромотор BRUSHLESS EVO 3
Състояние
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Купувача
Безчетков електромотор Граупнер, модел: 97233
BRUSHLESS EVO3 #137,5T star w Graupner 97233 With the introduction of the new BRUSHLESS EVO 3 motors GM-Racing has succeeded in developing highly efficient motors which set new standards in terms of
reliability and performance.
- Multiple extra-thick windings together with an extremely low-loss design and sintered neodymium magnets ensure enormous power and high efficiency.
- A thicker shaft provides for better true-running ofthe magnets.
- Cooling slots and an integral cooling fan keep the motors at reasonable
temperatures even under the harshest competition conditions. The
result is that the GM-Racing BRUSHLESS EVO 3 motors achieve constant
levels of performance and efficiency which can only be reached briefly
by brushed motors due to friction of the carbon brushes and subsequent
overheating.
-BRUSHLESS EVO 3 motors feature sensors and a sensor
connector, and can therefore beoperated in conjunction with GM-GENIUS
speed controllers with or without sensors; it is possible to remove
the sensor leads for even greater reliability. Numerous successes by
our team drivers, also in sensorless mode, such as the A-Final
victory in the first A-Final (run in the rain) by Marc Fisher,
demonstrate how controllable these motors are when used with GM-GENIUS controllers even under difficult conditions.
- Variable sensor timing.
-High-performance ballraces for safe operation at high rotational speeds.
- The motors satisfy the DMC regulations, EFRA rules and the ROAR regulations (as of April 2007).
- Special extra-powerful plastic-bonded upgrade magnets are available
as accessories: for competitions in which plastic-bonded
neodymium magnets are prescribed or in which a different performance
characteristic is desired, the upgrade magnets, Order
No.97215.1, are fitted as a substitute for the original magnets.
These upgrade magnets are a special development for GM-Racing, and are around 30% more powerful than bonded military spec. neodymium types; they fit both the BRUSHLESS EVO 3 and the BRUSHLESS EVO 2 motor.
Rotational speed with these magnets is around 10 - 15% higher than with
standard sintered neodymium magnets, combined with reduced current
drain and slightly higher maximum efficiency. For thisreason these
magnets are also a particularly good choice for slippery surfaces and 1 :
12 model cars.
Nominal voltage7,2 V
Operating voltage range4.8 ... 8.4 V
Revolutions / Volt approx.4600
No. of winds:7..5T star winding
Current drain at max. efficiency, approx.,@ 7.2 V: 56 A
Current drain at max. power, approx.,@ 7.2 V: 104 A
Max. output at 7.2 V: 410 W
Max. output at 6 V: 280 W
Max. output at 4.8 V: 200 W
Permissible motor directions: R and L
Number of poles2
РАЗМЕРИ: Overall length approx. 70 mm
Case length approx. 52.5 mm
Diameter approx. 35.8 mm
Free shaft length approx. 15 mm
Shaft diameter at output: 3.175 mm
Weight approx. 180 g
Recommended reduction ratiowith six
cells: 1 : 10 model cars TW 1 : 4.0 - 1 : 6.0 Off-Road 1 : 7 - 1 : 10
Recommended speed controller: GM-GENIUS 80 or 85
Преглеждания: 1 651
Оценка 4.6 от 200 гласа.
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