|03-02-2008, 11:57 PM||#21|
RCC Supreme Contributor
Join Date: May 2005
Location: Kelowna, B.C.
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I have always said Coreless is the most important. Coreless brings precision, Digital adds holding torque. Digital servos bring total torque at any position, analogs generally do not. Hitec adds programmability but also offers many digital/programmable servos that are not up to all tasks in all situations.
Having been involved in many a throttle topic discussion what is most overlooked is the lack of precision with the carb and throttle body of the engine itself. Changing Humidity, barometric air pressure and altitude of flight never mind environmental changes IMHO negate any presision by a digital/ non coreless servo for the throttle. Until we go to MASS and oxygen sensors with direct fuel injection it is ridiculous to ask for any sort of repeatable presicion of throttle based on TX servo position.
Having said that, the quickness of a coreless servo is worth while. I surmise quickness is better than accuracy in a throttle application keeping in mind that RELIABILITY is the most important!
Go ahead and put a mini on a 40size, the higher frequency of the vibration will not be as harmfully as the higher amplitude of a gasser.
Also keep in mind that most vibration dampening techniques involving the linkage only add to slop and reverse any gains made using an inadequate servo.
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