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Hello,
I've been looking for a linear actuator for a custom automotive application. It should be at least a 1" stroke (0.75" stroke might work) and a 0.75" diameter package that will run on 12V power. I would like to have the device either spring return or be able to be driven electrically in both directions. With power taken off it should be retracted or in a "non-forcing" state. The device should cost on the order of $30USD

- Solenoids may work but I would like a few ounces of force when fully extended.

- A brush type linear motor would be ideal, but they seem exotic and very industrial (i.e. servo) , not simple and cheap. Does somebody make such a thing?

- a rotary motor with a simple leadscrew design would work, but are there commodity sources for these things?

Thanks,
~Ken

Ken,

You may want to look at our 740 Series Electro-Thermal Actuators at:
http://www.thermotion.com

Best regards,

Les Safran
Email: lsafran@thermotion.com
Engineering