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Prop motor help

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3.2K views 6 replies 3 participants last post by  jaws111  
#1 ·
I am fairly new to prop building, but have made several continuous running props with wiper motors.
My new project is a skeleton that sits up, and lies back down.
My issue is that I want it to stay lying for 5-10 seconds before rising again, using the park feature, but I cannot figure out how to use a relay to trigger the motion again to run on its own without an external trigger. I would like it to run similar to an intermittent wiper on a vehicle.
I looked into the Picovolt, but you need an external trigger, but I just want it to run on a continuous loop with no triggering.
Thank you for any advice/ help.
And, of course, this is as of yet unfinished!
Can someone explain, or help me through the process?
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#2 ·
I made the same thing and use the Picovolt and once I program it it does the continuous loop. It stays down the time limit I want. I think (but not sure on this) the park break only works when you cut off the Picovolt. It is hard to program to get it to stop at the spot you want with the turn knob. Contact Fright Props they are great at answering questions like this.
 
#4 ·
Looks like a good start! The picovolt would definitely work. You could possibly add some limit switches and have complete independent control of sit up / lay down times.

If you're looking for the very simple end, a timing relay would likely work. timer relay at DuckDuckGo

You can obviously go any price range from a simple bare board 'hobby' level to full industrial control. But the idea would be the same...every so often (be sure to get the proper time range...likely seconds or minutes as opposed to milliseconds or hours!)... The relay would trip for a few seconds sending power to the motor to get it started. The relay would then open and the motor would complete the cycle on the park terminal. The relay would just be there to trigger sort of a 'one swipe' function - like pressing the 'mist' button in your car.
 
#5 ·
corey872 said:
Looks like a good start! The picovolt would definitely work. You could possibly add some limit switches and have complete independent control of sit up / lay down times.

If you're looking for the very simple end, a timing relay would likely work. timer relay at DuckDuckGo

You can obviously go any price range from a simple bare board 'hobby' level to full industrial control. But the idea would be the same...every so often (be sure to get the proper time range...likely seconds or minutes as opposed to milliseconds or hours!)... The relay would trip for a few seconds sending power to the motor to get it started. The relay would then open and the motor would complete the cycle on the park terminal. The relay would just be there to trigger sort of a 'one swipe' function - like pressing the 'mist' button in your car.
Click to expand...
Thank you! Using the picovolt, without an external triggering device, will it just continue to run the programed motion in a loop on its own?
 
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