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Thread: Solenoid?

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  1. Post Solenoid? 
    #1
    Join Date
    Jan 2008
    Location
    Winnipeg, Canada
    Posts
    45
    Heyy all,

    Ok so I know the basics on what a solenoid is. But what is it's purpose for a prop? I am making a movable prop and I see them everywhere I just dotn know why they are used? Is it nessasary? Any info would help!

    Learning one step @ a time

    Kyle
     

  2. Default  
    #2
    Join Date
    Aug 2003
    Location
    Columbus, Ohio
    Posts
    1,723
    Solenoid in haunt applications usually means the valve for routing the air supply to a pnuematic prop. Applying a voltage to the valve opens or closes the valve in the most basic application.
     

  3. Default  
    #3
    Join Date
    Jun 2008
    Location
    Warsaw, IN
    Posts
    346
    The nice thing about a three way solenoid valve is that it releases the air from the cylinder when no voltage is applied to the valve, so your prop will reset quickly.

    However, we had some props that we wanted them to reset slowly, so we did not use a three way, they settled back down with the slow release of air from the cylinder.
     

  4. Default  
    #4
    Join Date
    Jun 2006
    Location
    Eastlake, Ohio
    Posts
    838
    Quote Originally Posted by Boni View Post
    The nice thing about a three way solenoid valve is that it releases the air from the cylinder when no voltage is applied to the valve, so your prop will reset quickly.

    However, we had some props that we wanted them to reset slowly, so we did not use a three way, they settled back down with the slow release of air from the cylinder.
    3 way solenoid valves are the correct valve when using single acting cylinders. There are flow control fittings that can be used on the cylinder to control the speed in both directions.

    I only use double acting cylinders and 4 way valves with the appropriate flow control fittings to control the extension and retract speed. 4 way valves and double acting cylinders are cheaper 99% of the time and also give you the best control over the movement of your props.
    Brian Warner
    Owner of Evilusions www.EVILUSIONS.com
    Technical Director of Forsaken Haunted House www.Forsakenhaunt.com
    Mechanical Designer (animatronics) at Gore Galore www.Gore-Galore.com
     

  5. Post Thank you 
    #5
    Join Date
    Jan 2008
    Location
    Winnipeg, Canada
    Posts
    45
    Thanks for all yoru help.

    I went today to Princess Auto to see what a solenoid looked like. And with all of yoru help it definitly put all the peaces together. Now I will be way better off when I build my prop.

    Thanks again and happy new year!

    Kyle
     

  6. Default  
    #6
    Join Date
    Nov 2005
    Location
    Dallas, Georgia
    Posts
    625
    Some great info available here...

    http://www.frightprops.com/FrightPro...atics/Docs.asp
    Kevin
    Sleepy Hollow Productions, LLC / Folklore Haunted House
     

  7. Default  
    #7
    Join Date
    Mar 2008
    Location
    Columbia Missouri
    Posts
    797
    Thats a great direction to send him in Kevin. I was thinking to send him to the grainger website to show his solenoids and relays but frightprops has a very understandable website and it is for our industry. I have purchased from them before and I love their boo boxes. Very simple to use.
     

  8. Default  
    #8
    Join Date
    Jun 2006
    Location
    Eastlake, Ohio
    Posts
    838
    These are helpful also when you get into figuring out what size valve and cylinders to use.

    http://www.evilusions.com/calculator.php
    Brian Warner
    Owner of Evilusions www.EVILUSIONS.com
    Technical Director of Forsaken Haunted House www.Forsakenhaunt.com
    Mechanical Designer (animatronics) at Gore Galore www.Gore-Galore.com
     

  9. Smile  
    #9
    Join Date
    Feb 2009
    Location
    Dryden, Michigan
    Posts
    52
    Check out ebay. Type in air cylinders, air solenoid valves mac valves, etc. Many items can be found, just watch the pricing. Look good because the deals are there.
     

  10. Default Understanding Pneumatics 
    #10
    Join Date
    Apr 2009
    Location
    Orlando
    Posts
    37
    I know several people have already answered this question. But a website that I found helpful when starting out is:

    http://www.teamdavinci.com/understanding_pneumatics.htm

    Hope this helps.
     

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