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Shutters $3,75
This is a bargain even for the solenoids alone ...
http://www.surplusshed.com/pages/item/m4054.html
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shutters
Yep bought some a while ago surprised they still have stock on them they come with actuator arms attached just add a mirror and you can use them to steer beams very loud though Clicky Clicky you need to be good with designing a relay board though I have designed plenty for this application its a poor mans GM20.
The full retail price for those from Lucus Ledex are around a hundred dollars each but they show up on the surplus market quite a bit. As I understand there are two types though one that allows for the actuator to stay energized for a long period of time and the other will burn up if you keep them actuated for too long. Dont touch them when you have them energized for a period of time you will burn your fingers.
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