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Old 09-27-2010, 01:04 AM
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Is It Really Better From Sailrite?

$495! Is it all they say it is?
Sailrite

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Old 09-27-2010, 07:11 AM
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No, it's not. This is old technology that works, but for less than half the price you can get a servo motor that works even better, and would bolt right up to your sewing machine table.

SCR controls only work on DC motors, and the one they are packaging with this is only 1/3 hp. That means that this motor produces 1 ft. lb. of torque compared with a 1/2 hp motor which produce 1 1/2 ft. lbs. of torque. ( these figures are based on both motors turning at 1800 RPMs). That's 50% more torque. The reason they don't use a 1/2 hp DC motor is that this package would cost $100 more than it does now. This is a big improvement to the motor on their standard sewing machine which is simply a geared down (800 RPMs) 1/8 hp motor, but there again for less than half the price you can get the servo motor and skip all the other controls and wires that go with the package. I'm sure this is only recommended to retrofit on to their sewing machine. I don't think it would even work on a regular industrial sewing machine.

Don't get me wrong, the Sailrite machine is a good machine, but to compare it to an industrial sewing machine is talking apples and oranges.

DC motors are constant torque devices, which means they are the same as a servo motor in that respect, but they say that the foot pedal is a potentiometer based control. That's fine, but the potentiometer is also old school now days. It's an analog control like the volume control on old car radios. There is probably not a radio made any more that uses analog control for volume, it is all digital. This would be an improvement over a clutch motor, but nothing more.
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Old 09-27-2010, 10:49 AM
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So the Reliable 3000 would be a better choice?
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Old 09-27-2010, 12:05 PM
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Yes, any servo motor compared to that package would be a better choice for an industrial sewing machine like you have.
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Old 09-27-2010, 12:14 PM
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Originally Posted by DanTwoLakes
Yes, any servo motor compared to that package would be a better choice for an industrial sewing machine like you have.
Did you ever see the sales pitch that Sailrite gives for this product? They really downgrade the servo motor saying it's really no better than a clutch motor. I guess you have to do what you have to do in order to sell.
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Old 09-27-2010, 07:00 PM
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All you have to do is look at the specifications for their sewing machine to know that what they are selling is a glorified portable sewing machine with a 1/8 hp motor. If you want a table and speed control, you will spend as much or more than you would for a brand new real live industrial sewing machine with a servo motor.
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