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#1
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Looking to make a motorized...
What do I need (relays? gears?) to have a small electric motor turn on
via a timer, run for the few seconds needed to raise a small (10 x 14 inch) piece of wood via string and pulley (door to a chicken coop), turn itself off, then turn on again via timer hours later and run in the opposite direction to lower (close) the door and turn itself off until it's time to tbe turned on again? This seems to be on the principle of a garage door opener, only smaller and opening/closing on a timer switch instead of a push-button or transmitted signal, right? Are there systems like this already in existence? Thanks. Lynn Willis Indianapolis |
#2
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Looking to make a motorized...
I would say, you need a time clock, a reversible gear motor, with limit
switches and whatever mechanical attachments needed to connect to your door. I'm wondering if it wouldn't be simple enough to adapt a garage door opener to the task wrote in message oups.com... What do I need (relays? gears?) to have a small electric motor turn on via a timer, run for the few seconds needed to raise a small (10 x 14 inch) piece of wood via string and pulley (door to a chicken coop), turn itself off, then turn on again via timer hours later and run in the opposite direction to lower (close) the door and turn itself off until it's time to tbe turned on again? This seems to be on the principle of a garage door opener, only smaller and opening/closing on a timer switch instead of a push-button or transmitted signal, right? Are there systems like this already in existence? Thanks. Lynn Willis Indianapolis |
#3
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Looking to make a motorized...
Take a look at www.smarthome.com they may have the stuff you need. let
us know what your solution end up being. A couple of pictures or video would be neat. |
#4
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Looking to make a motorized...
Use an electric solenoid and a cheap plug-in timer to activate it. Opens the
door via a suitable lever when the solenoid is activated; closes the door by gravity, or by a spring, when the timer shuts off power to the solenoid. Keep it simple. -- Walter www.rationality.net - wrote in message oups.com... What do I need (relays? gears?) to have a small electric motor turn on via a timer, run for the few seconds needed to raise a small (10 x 14 inch) piece of wood via string and pulley (door to a chicken coop), turn itself off, then turn on again via timer hours later and run in the opposite direction to lower (close) the door and turn itself off until it's time to tbe turned on again? This seems to be on the principle of a garage door opener, only smaller and opening/closing on a timer switch instead of a push-button or transmitted signal, right? Are there systems like this already in existence? Thanks. Lynn Willis Indianapolis |
#5
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Looking to make a motorized...
Find a rotiserie motor for and old BBQ grill. Attach a plywood disk to
this attach a lever on one end of this level is the motor and disk the other would be attached to the top of your vertical sliding door. If the coop is visiable from your remote location you could apply power until the door was closed & vise a versa. Nice slow operation, quiet. you should be able to build it closed to the wall the door is in. Good luck Tom On 23 Oct 2005 15:13:21 -0700, " wrote: What do I need (relays? gears?) to have a small electric motor turn on via a timer, run for the few seconds needed to raise a small (10 x 14 inch) piece of wood via string and pulley (door to a chicken coop), turn itself off, then turn on again via timer hours later and run in the opposite direction to lower (close) the door and turn itself off until it's time to tbe turned on again? This seems to be on the principle of a garage door opener, only smaller and opening/closing on a timer switch instead of a push-button or transmitted signal, right? Are there systems like this already in existence? Thanks. Lynn Willis Indianapolis |
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