5 Slot Motor
Posted By admin On 14/04/22Associated Electrics have introduced the new Reedy 550 14T 5-slot motor intended for the use with 1/10th Crawlers. The Reedy 550 14T 5-slot motor is the same motor that comes standard in the Element Enduro Gatekeeper RTR. Now available separately, this motor is highly capable, unlike typical « throw away » RTR motors. Due to its longer 550 design, the Crawler 550 offers exceptional torque and power output while its 5-slot armature delivers precision throttle control for a variety of surfaces and course conditions. Long-wearing brushes, fixed 0 deg. timing, low-friction bushings, and silicone lead wires make this a highly valuable yet cost-effective performance upgrade for your truck.
About Associated Electrics: Team Associated has been in the forefront of hobby-car racing since 1965. From its humble beginnings with a few slot-car parts to today, Team Associated has grown to designing and shipping thousands of radio-control cars and parts to hobby shops around the world. Team Associated is the industry leader in race-level competition vehicles in a variety of sizes, ranging from diminutive 1:18 scale to serious nitro-thundering 1:8 scale machines. Our vehicles ride on road and off road, and are powered by electric motors and nitro engines. Our race-winning offerings include buggies, touring cars, monster trucks, and realistic-looking Short Course trucks.
Reedy Crawler 550 14T 5-Slot Brushed Motor. Shipping right now from Reedy is the Crawler 550 14T 5-Slot Brushed Motor.This motor has been specifically tuned to give your rock crawler strong, predictable power, and comes stock in the Element Enduro Gatekeeper RTR. Buy your Associated Reedy Crawler 550 14T 5-Slot Brushed Motor (ASC27461) at RCPlanet.com and check out our complete line of Associated items at everyday discount prices. Smooth powerband for precision control The Radon 2 Crawler motor's 5-slot design delivers a smooth powerband for precision control while traversing steep, uneven, or rocky terrain.
Team Associated manages an in-house staff to research and develop our own race-related radio-control car products. Our talented engineers – many accomplished racers themselves – bring their years of solid racing experience to design cars that will compete at the highest levels of competition. Team Associated fields a worldwide race team of unparalleled talent. Our stable of drivers are responsible for the many championship-caliber awards amassed since our first products in the early 1970s. Team Associated creates its own packaging, manuals, and catalogs with its experienced in-house design department. A dedicated staff continually updates the web site at RC10.com and the online store right here in our Lake Forest office building. The in-house shipping department fulfills orders and ships products worldwide. Our sales department handles the needs of distributors around the world.
The original brushless DC (BLDC) motors were designed with slotted stators, and the majority of BLDC motors are still made this way. But this design produces cogging torque, which makes it difficult to achieve smooth motion, especially at slow speeds. To eliminate this effect, a new design was developed, eliminating the slots in the stator (which are the root cause of cogging torque), and slotless motors were born.
In a slotted motor design, the stator is made of slotted steel laminations that are stacked together, and copper windings are inserted into these slots. (The design of the stator is sometimes referred to as having “teeth.”) The slotted motor design is simple and inexpensive to manufacture, but it has a major drawback—cogging torque. Cogging torque (also referred to as “detent torque”) is a result of the permanent magnets in the rotor attempting to line up with the slots, or teeth, of the stator. The primary effect of cogging torque is that it causes motor rotation to be jerky (not smooth), especially at low motor speeds.
The term “iron core” is commonly used when discussing slotted linear motors. This originates from the fact that the assembly of stator windings encased in a steel, slotted stator is sometimes referred to as an “iron core.” Slotless linear motors, on the other hand, are often referred to as “air core” motors.
In a slotless motor, there are no iron teeth to support the windings. Instead, the stator lamination is constructed of steel rings that are stacked together, and the windings are encapsulated in an epoxy resin, which gives the winding structure shape and rigidity. This “self-supporting” winding is placed in the air gap between the stator lamination and the rotor.
The primary benefit of a slotless motor design is that the lack of teeth in the lamination eliminates cogging torque and results in a motor with very smooth running characteristics. Torque production is predictable and highly controllable, because in the absence of these uncontrolled disturbances (i.e. cogging torque), motor torque production is directly related to the current supplied to the winding.
There are other benefits to the slotless design. First, the elimination of cogging also significantly reduces audible noise. And since there’s no iron core, inductance is very low and current can get into the stator windings very quickly, making slotless motors good for applications that require high acceleration and dynamic response.
But slotted motors still hold some advantages. For example, the air gap in a slotted motor is smaller than the air gap in a slotless design (which must accommodate the self-supported winding assembly). This means that the flux density is higher in a slotted motor, and torque production is more effective and efficient.
5 Slot Crawler Motor
One way that manufacturers of slotless motors overcome the effects of the bigger air gap is to use larger, stronger permanent magnets in the rotor. But this increases cost. And, the cost to manufacturer the self-supporting winding structure is typically higher than a conventional slotted design. For this reason, the traditional slotted motor design is still the first choice for applications in which smooth running and the elimination of cogging are not critical.