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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Are there any diseqc motors, that are radically faster than competitors?
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<blockquote data-quote="Huevos" data-source="post: 612387" data-attributes="member: 301161"><p>Dude, all Diseqc motors are designed to use the STB as the power source. The STB has about 4 watts available to drive the diseqc motor. That's it. If the motor demands more power than available there will be a voltage drop and the motor would stop moving while offering a dead short to the STB. If the manufacturer were to gear this 4 watt motor to move the dish faster it wouldn't be able to move a larger dish (because when geared to turn the motor stub at twice the speed only half the torque is available). It's as simple as that. Laws of physics apply. </p><p></p><p>The reason others (not I) have mentioned additional power supplies is so larger power supplies that don't suffer from voltage drop may be used, and also higher voltages (24V for example) may be used to over drive the motor and hence increase it's speed. The problem though of increasing the motor speed/torque is that neither the motor nor the gearbox were not designed for this extra power and so the unit will not last as long.</p></blockquote><p></p>
[QUOTE="Huevos, post: 612387, member: 301161"] Dude, all Diseqc motors are designed to use the STB as the power source. The STB has about 4 watts available to drive the diseqc motor. That's it. If the motor demands more power than available there will be a voltage drop and the motor would stop moving while offering a dead short to the STB. If the manufacturer were to gear this 4 watt motor to move the dish faster it wouldn't be able to move a larger dish (because when geared to turn the motor stub at twice the speed only half the torque is available). It's as simple as that. Laws of physics apply. The reason others (not I) have mentioned additional power supplies is so larger power supplies that don't suffer from voltage drop may be used, and also higher voltages (24V for example) may be used to over drive the motor and hence increase it's speed. The problem though of increasing the motor speed/torque is that neither the motor nor the gearbox were not designed for this extra power and so the unit will not last as long. [/QUOTE]
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DISH SETUP: Single sat, Multi-Sat & Motorised
Are there any diseqc motors, that are radically faster than competitors?
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