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Discussion in 'Home Theater Projects' started by DarrinG, Oct 8, 2003.
Has anyone tried to make a automatic door for their HT.
Any help/ideas would be great
I believe these are available commercially for handicapped access, but I'm sure they're not cheap... probably several thousand dollars minimum. It's quite a sophisticated mechanism with limit/overload switches and clutching mechanisms to avoid smashing someone in the door and allowing manual operation in the event of power failure.
A very ambitious DIY project indeed! I've never heard of anyone attempting it. But by all means keep us posted on progress if you decide to.
They are available with every rating from 10 to 1,000 pounds of lift. A small linear actuator with about 100 pounds of lift force would be more than enough to open your door. They run off 12V power (i.e. car battery/power supply.
You'd have to fabricate the bracketry and such out of angle iron, and install the limiter switches, but it would be much cheaper than having one commercially installed.
Just an idea.
Linear actuators are used extensively in car audio applications to move amp racks, open/close panels, etc.