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What is it? #687B is being discussed in the ControlBooth Question of the Day forum; Submitted by an anonymous (for now) member. . Part number 687B. 9.25” long 2.04 lbs. Round hole will fit on ...

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    Default What is it? #687B

    Submitted by an anonymous (for now) member.

    What is it? #687B-424c.jpg . What is it? #687B-424d.jpg
    Part number 687B. 9.25” long 2.04 lbs. Round hole will fit on 1.75” OD.
    As with all QotDs, students only for one week, please.
    Good authors too who once knew better words, Now only use four letter words, Writing prose.

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    Default Re: What is it? #687B

    Medieval torture device
    Brett Smith
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    Default Re: What is it? #687B

    Hhmm...

    If it fit on 1.5" sch 40 I would say its some sort of quick release cable management device. Grab a handful of stage pin, release the little handle and it grabs your whole bundle for you, no more tieline needed! Would also make for a quick strike with the quick release latch. Would love to have a bunch on a batten at 3 foot intervals.

    But it fits 1.75" OD!? Now I'm lost.

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    Default Re: What is it? #687B

    Quote Originally Posted by Amishplumber View Post
    Hhmm...

    If it fit on 1.5" sch 40 I would say its some sort of quick release cable management device. Grab a handful of stage pin, release the little handle and it grabs your whole bundle for you, no more tieline needed! Would also make for a quick strike with the quick release latch. Would love to have a bunch on a batten at 3 foot intervals.

    But it fits 1.75" OD!? Now I'm lost.
    Nice try....but no.

    To place it in time, think circa 1920.

    ST

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    Default Re: What is it? #687B

    Quote Originally Posted by porkchop View Post
    Medieval torture device
    Not surprisingly, that was my guess. Nevermind for which part of the anatomy.

    Quote Originally Posted by STEVETERRY View Post
    To place it in time, think circa 1920.
    You know, back when Steve was young.

    Good authors too who once knew better words, Now only use four letter words, Writing prose.

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    Default Re: What is it? #687B

    My wild-***** guess would be some sort of rope management thingy for a hemp and bag system that works with some popular size belaying pin?

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    Default Re: What is it? #687B

    Quote Originally Posted by sk8rsdad View Post
    My wild-***** guess would be some sort of rope management thingy for a hemp and bag system that works with some popular size belaying pin?
    Nope.

    ST

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    Default Re: What is it? #687B

    Need something from which to gauge dimension... is this thing a meter long? or a few inches... ;-)

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    Default Re: What is it? #687B

    Quote Originally Posted by BanditRO View Post
    Need something from which to gauge dimension... is this thing a meter long? or a few inches... ;-)
    The text description under the picture says " 9.25” long 2.04 lbs. Round hole will fit on 1.75” OD."

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    Default Re: What is it? #687B

    D'OH!!! Sad state of affairs when i miss that!!

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    Default Re: What is it? #687B

    Quote Originally Posted by Amishplumber View Post
    Hhmm...

    If it fit on 1.5" sch 40 I would say its some sort of quick release cable management device.

    But it fits 1.75" OD!? Now I'm lost.
    1.5" is the nominal inside dimension of 1.5 sched 40 pipe.
    Tom K.

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    Default Re: What is it? #687B

    Hint: Plumb the depths of the CB Wiki.

    ST

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    Default Re: What is it? #687B

    Quote Originally Posted by venuetech View Post
    1.5" is the nominal inside dimension of 1.5 sched 40 pipe.
    Second hint: Rotate device approximately 135 degrees CCW from the orientation in the photos to arrive at the position it is actually used in.

    SY

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    Default Re: What is it? #687B

    I'm pretty sure I have seen this in my old stagecraft books, but I have never seen 'one in the flesh'.
    John Chenault
    Co-Creator of Plexus - a software only solution for controlling Conventional and Moving Lights

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    Default Re: What is it? #687B

    I've seen a couple in the flesh,(so to speak)but never so clean and manufactured looking.
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    Default Re: What is it? #687B

    I keep going back to one of two things in my mind, either something sort of mounting tool, or something to hold your cables for your fly system in place...then some part of me wants to say it's a thing that lets you add a pull ring to something...I have a feeling these are all wrong

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    Default Re: What is it? #687B

    Pretty sure I know, don't want to post my guess yet.
    One must first know and understand the rules of theatre before one can break them.

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    Default Re: What is it? #687B

    Is it used instead of a safty cable?
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    Default Re: What is it? #687B

    Since it's been a week, the question is now open to anyone: the tired, the poor, the wretched refuse of your teeming shore. (Everyone except Mr. Terry; he'll have to wait one more week, unless the question is satisfactorily answered by another.)
    Good authors too who once knew better words, Now only use four letter words, Writing prose.

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    Default Re: What is it? #687B

    Quote Originally Posted by Cashwalker View Post
    Is it used instead of a safty cable?
    Nope.

    ST

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    Default Re: What is it? #687B

    What is it? #687B-old-style-batten-clamp.jpg

    Here's another version of the device.
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    Default Re: What is it? #687B

    Quote Originally Posted by MPowers View Post
    Click image for larger version. 

Name:	Old style batten clamp.jpg 
Views:	318 
Size:	231.5 KB 
ID:	7359

    Here's another version of the device.
    Yup. Opera clamp.
    Steve B.
    "Read it again, before pressing Send"

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    Default Re: What is it? #687B

    Michael- I think you gave it away (filename of image...)

    -Todd

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    Default

    Quote Originally Posted by SteveB View Post
    Yup. Opera clamp.
    If so, then what did/does one do with such a clamp?


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    Default Re: What is it? #687B

    It hangs/mounts to the top pipe on which a drop/cyc is hanging. If the drop/cyc has a bottom pipe, the clamps (spaced evenly along the top pipe) can pickup the bottom pipe allowing the drop to use half the height to get out of sightlines. Very useful in houses with less then adequate grid height. Care must be taken to not gather too much fabric when you clamp the bottom pipe, else the clamp can pinch and tear the drop.
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    Quote Originally Posted by SteveB View Post
    It hangs/mounts to the top pipe on which a drop/cyc is hanging. If the drop/cyc has a bottom pipe, the clamps (spaced evenly along the top pipe) can pickup the bottom pipe allowing the drop to use half the height to get out of sightlines. Very useful in houses with less then adequate grid height. Care must be taken to not gather too much fabric when you clamp the bottom pipe, else the clamp can pinch and tear the drop.
    That sounds like what I need at school. Pathetic grid height.
    Oh...Pretty Colors!!!
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    Default Re: What is it? #687B

    Quote Originally Posted by SteveB View Post
    Yup. Opera clamp.
    Quote Originally Posted by SteveB View Post
    It hangs/mounts to the top pipe on which a drop/cyc is hanging. If the drop/cyc has a bottom pipe, the clamps (spaced evenly along the top pipe) can pickup the bottom pipe allowing the drop to use half the height to get out of sightlines. Very useful in houses with less then adequate grid height. Care must be taken to not gather too much fabric when you clamp the bottom pipe, else the clamp can pinch and tear the drop.
    So a piece of hardware to aid in westcoast ing? Or, actually, trip ping a drop?

    The picture that MPowers posted is of a batten clamp or "drop holder".

    But I'm not convinced either is what STEVETERRY's picture is. How would one get it onto the 1.75” OD (pipe?), except to slide it from one end?
    Last edited by derekleffew; August 1st, 2012 at 02:14 PM.
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    Default Re: What is it? #687B

    Well
    I thought it dates from a time when the top of your painted drop was a 1x3 batten ( or a pair of them sandwiching the drop). To attach this to the pipe you would clamp the 1x3 between the big jaw af the hardware device.

    So it is a piece of hardware to aid in hanging a drop which is attached to a wooden batten.

    That said, I am not totally happy with my answer, and I agree that mounting these on a pipe batten would be somewhat problematic. but somehow all of my old stagecraft books have been replaced with texts on lighting and software ( except for my third edition of Parker and Smith Circa 1974. - and it does not have an image of it. If I could just find my second edition... sometimes this board makes me feel really old )
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    Default Re: What is it? #687B

    The picture I posted is exactly what you have described. It allowed drops to be hung in a hemp house without a pipe batten on free ends the lift lines, only the clamps at the ends of the ropes. As the batten was indeed a 1x3 sandwich attached to the drop, the drop was rolled up as it flew in and another drop could be attached in seconds, a complete drop to drop "quick change". When shows toured by RR car, long and skinny was the size and type of package used.

    I could be wrong but I think the device the OP pictured is the same thing for use in a CW house with pipe battens. They would be installed permanently on the pipe and when a drop was to be hung, 4 hands, 4 minutes and it's up (or down). Steve please correct me if I'm wrong.
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    Default Re: What is it? #687B

    Quote Originally Posted by MPowers View Post
    Click image for larger version. 

Name:	Old style batten clamp.jpg 
Views:	318 
Size:	231.5 KB 
ID:	7359

    Here's another version of the device.
    Correct.

    ST

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    Default Re: What is it? #687B

    Quote Originally Posted by MPowers View Post
    The picture I posted is exactly what you have described. It allowed drops to be hung in a hemp house without a pipe batten on free ends the lift lines, only the clamps at the ends of the ropes. As the batten was indeed a 1x3 sandwich attached to the drop, the drop was rolled up as it flew in and another drop could be attached in seconds, a complete drop to drop "quick change". When shows toured by RR car, long and skinny was the size and type of package used.

    I could be wrong but I think the device the OP pictured is the same thing for use in a CW house with pipe battens. They would be installed permanently on the pipe and when a drop was to be hung, 4 hands, 4 minutes and it's up (or down). Steve please correct me if I'm wrong.
    That is correct. The 1.75" round hole suggests 1-1/4" sch 40 pipe, which was used in various theatre applications before 1-1/2" took over.

    ST

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    Default Re: What is it? #687B

    Quote Originally Posted by STEVETERRY View Post
    That is correct. The 1.75" round hole suggests 1-1/4" sch 40 pipe, which was used in various theatre applications before 1-1/2" took over.

    ST
    Interesting, I wonder if that has anything to do with this new facility:
    New School
    Tex, in posts #64 and #67 has a hanging position with 1-1/4" pipe instead of 1-1/2" and mega-claws don't work with it.
    I wonder if somewhere along the line a designer picked up an older standard.

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    Default Re: What is it? #687B

    Quote Originally Posted by JohnD View Post
    Interesting, I wonder if that has anything to do with this new facility:
    New School
    Tex, in posts #64 and #67 has a hanging position with 1-1/4" pipe instead of 1-1/2" and mega-claws don't work with it.
    I wonder if somewhere along the line a designer picked up an older standard.
    ....or should be checking the conditions of their Errors and Omissions insurance.

    ST

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    Default Re: What is it? #687B

    Steve--the real question is where do you find these? I am working in a 'new' theatre with a grid height of 55', a proscenium height of 30'. Somebody forgot to do their math and now stuck with tripping 10 soft goods. I would love to get my hands on a couple dozen of these.

    Ken Smith

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    Default Re: What is it? #687B

    Good authors too who once knew better words, Now only use four letter words, Writing prose.

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    Default Re: What is it? #687B

    Quote Originally Posted by derekleffew View Post

    I hope it's made of titanium or something to fetch that kind of a price.

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    Default Re: What is it? #687B

    Quote Originally Posted by techieman33 View Post
    I hope it's made of titanium or something to fetch that kind of a price.
    You'd think it was marine hardware...I guess there's always bulldog clips instead.

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