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Trying to Identify This Mechanical Part

07/05/2018 5:02 PM

I am trying to identify this mechanical part. Don't know It's function, but I am pretty sure It is mechanical. Will add some photos:

It is about 2 inches long. This is all I know about this part. I will love to know what It is...It seems that HR was the company that made it. Could not find anything about it.

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#1

Re: Trying to identify this mechanical part

07/05/2018 5:09 PM

Looks like a vintage outdoor microphone and/or speaker...

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#4
In reply to #1

Re: Trying to identify this mechanical part

07/05/2018 6:11 PM

I agree.

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#47
In reply to #4

Re: Trying to identify this mechanical part

07/09/2018 9:06 AM

I doubt, why slits should be off-centered in a microphone.

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#40
In reply to #1

Re: Trying to identify this mechanical part

07/08/2018 12:03 AM

That was my first impression also, but there are too few openings for a microphone of that vintage, and the surface is too rough. As I recall, those microphone housings were die-cast from either aluminum or zinc, while this object looks like plated cast iron or steel. Also, most of those microphones that I remember were quite a bit longer than 2 inches. Speakers were MUCH longer than 2 inches.

My WAG is that this object opened for access to something inside, but I have no idea beyond that.

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#2

Re: Trying to identify this mechanical part

07/05/2018 5:26 PM

Try showing more views than just the top....

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#3
In reply to #2

Re: Trying to identify this mechanical part

07/05/2018 5:43 PM

Don't have more photos than that. Don't know how is from the bottom. Wild guest is that red part is a lever.

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#24
In reply to #3

Re: Trying to identify this mechanical part

07/06/2018 11:42 PM

So, what your saying is that this is a second party, third party etc identification and your not the originator of the question and based on " these are the only " you want a guess from p engineers ?

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#25
In reply to #24

Re: Trying to identify this mechanical part

07/06/2018 11:48 PM

I want to see the backside. If it is a cover, how is it latched ?

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#26
In reply to #25

Re: Trying to identify this mechanical part

07/07/2018 12:54 AM

Just to clarify, I am the originator of the question, but the photo was taken by another person back in 2016. There is no other way to look at the back of this part, cause It was glued/attached somehow to the prop. This is first Engineers forum I subscribed looking for this part. Since I needed people that thinks of out the box. I am Software Engineer, and regretfully never saw something like this in my entire life. This is why I am here, not to take advantage of any of you, just because I thought someone could have more experience with that part, or function, or even the brand.

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#27
In reply to #26

Re: Trying to identify this mechanical part

07/07/2018 1:05 AM

Be glad, you made a good choice coming here. People come here all the time, usually posting as, " anonymous poster. Choosing a name, the engineers appreciate dedication.

Welcome to the site, Great place to learn.

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#28
In reply to #27

Re: Trying to identify this mechanical part

07/07/2018 1:20 AM

Thank you, actually I did learn a lot about blow off valves so far. Have been looking for expansion valves as well. It seems that this part could be related with refrigeration someway, just looking for the side connector and the shape of it.

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#29
In reply to #28

Re: Trying to identify this mechanical part

07/07/2018 3:11 AM

From the photo, it appears that the material from which the part is made is cast and about 1/8" to 3/16" thick, so it's unlikely to be a microphone as they would normally be just pressed tin.

The part will be very old and it's highly unlikely that you will find a matching one.

Probably better to replace with a couple that you can match or, if that;s not possible, a reasonably competent machinist could readily make you one to closely match the existing from a billet of Aluminium or similar, but you would need to provide some dimensions for that to happen.

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#32
In reply to #29

Re: Trying to identify this mechanical part

07/07/2018 10:38 AM

Yeah, I do believe the part is quite old. IF I cold not find any matching part, even a modern one, I will have to model that part in CAD and 3D print it. Have some experience doing that.

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#39
In reply to #26

Re: Trying to identify this mechanical part

07/07/2018 11:46 PM

When you say "It was glued/attached somehow to the prop.", are you referring to a stage prop, an aircraft or boat prop, a supporting prop, or something else entirely.?

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#43
In reply to #39

Re: Trying to identify this mechanical part

07/08/2018 12:27 AM

I was talking about a movie prop.

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#5

Re: Trying to identify this mechanical part

07/05/2018 6:41 PM

Looks to be a blow off valve cover for an old boiler or other pressure vessel.

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#9
In reply to #5

Re: Trying to identify this mechanical part

07/05/2018 11:33 PM

Looking after blow of valves. thanks for the lead.

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#6

Re: Trying to identify this mechanical part

07/05/2018 8:48 PM

Maybe it's part of something these folks have made:

HAMMEL, RIGLANDER & CO. INC

Just a wild guess...

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#8
In reply to #6

Re: Trying to identify this mechanical part

07/05/2018 11:30 PM

About them, I googled them and found out that they were sold to another company back in 1978. They were importers, most of the stuff they imported and distributed were jewelers tools. Could not find any single photo from one product carrying that HR logo in Italic. It was a great lead btw, but I think they did not manufacture that part. Nevertheless, I do think HR should be a name combination, like the example you provided.

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#7

Re: Trying to identify this mechanical part

07/05/2018 9:33 PM

Both leads are superb. I will check them out right away. Thanks you very much guys, I really appreciate your help

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#10
In reply to #7

Re: Trying to identify this mechanical part

07/06/2018 7:59 AM

Welcome to CR4! Please let us know how this story ends.

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#11
In reply to #10

Re: Trying to identify this mechanical part

07/06/2018 1:15 PM

Thanks!

About the part: I believe the part is hollow. It has a circular hole at one side, the red stuff could be a lever. That lever could be some kind of lock. The slots appear to be vents. Tried the blow off valve approach, but did not find anything like that.

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#12

Re: Trying to Identify This Mechanical Part

07/06/2018 1:51 PM

Would you be kind enough to advise the forum of the patent number that appears just under the HR ligature logo?

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#13
In reply to #12

Re: Trying to Identify This Mechanical Part

07/06/2018 3:38 PM

Actually, this is what I tried first. This is best resolution photo I could get, and there is no way I can get a entire PAT number or PART number.

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#15
In reply to #13

Re: Trying to Identify This Mechanical Part

07/06/2018 3:56 PM

Are you trying to identify and eventually auction this item as an intermediary or agent, thus all you have are these images?

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#16
In reply to #15

Re: Trying to Identify This Mechanical Part

07/06/2018 5:14 PM

No, I am trying to identify this part to buy a pair of them to me. Only have those photos, cause this part form part of a movie prop. Since I don't event have a clue of what is this thing, I could not be able to find a single one on Internet.

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#18
In reply to #16

Re: Trying to Identify This Mechanical Part

07/06/2018 5:44 PM

Is the movie about sound recording or steam engines? Or, what is the movie about?

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#19
In reply to #18

Re: Trying to Identify This Mechanical Part

07/06/2018 6:07 PM

A SciFi movie, Star Wars R1, It is basically a part of a communicator.

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#20
In reply to #19

Re: Trying to Identify This Mechanical Part

07/06/2018 6:16 PM

Communicator,,,,,,,,microphone? Seems there a connection there!

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#21
In reply to #20

Re: Trying to Identify This Mechanical Part

07/06/2018 8:24 PM

I pretty much guess prop designer intention was that this part resembles a mic somehow, but I did look for microphones with that shape and lever and could not find anything like that.

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#22
In reply to #21

Re: Trying to Identify This Mechanical Part

07/06/2018 8:33 PM

It's a movie, use poetic license.

I seriously doubt that the prop designer had anything made. He picked whatever he thought fit his conception of a period communicator.

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#23
In reply to #22

Re: Trying to Identify This Mechanical Part

07/06/2018 9:28 PM

I agree, they used whatever they have on their bench for sure.

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#14

Re: Trying to Identify This Mechanical Part

07/06/2018 3:39 PM

Drive in Theater speaker?

Is there an opening at the bottom for the comm cable?

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#17
In reply to #14

Re: Trying to Identify This Mechanical Part

07/06/2018 5:17 PM

The only opening visible is the one that the side. I will look for that option, but this part seems to small for a speaker. Thanks for your suggestion.

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#30

Re: Trying to Identify This Mechanical Part

07/07/2018 3:26 AM

Could be a safety cover for an underground coal mines lamp.

If it's just to be a prop, then just make replicas. You could maybe make a plaster of paris master and cast as many as you need.

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#31
In reply to #30

Re: Trying to Identify This Mechanical Part

07/07/2018 10:33 AM

That's the idea. Only need 2 of them. But, I am able to get my hands in 1, will have to create a mold in silicon rubber and later cast a piece in resin.

Will look after those covers you mentioned, but It seems to small for a real lamp cover, It is only 2 inches long, and apparently only have on hole and no way to safely attach that to something. Base seems to be flat, with no holes for screws.

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#33

Re: Trying to Identify This Mechanical Part

07/07/2018 1:15 PM

You said this is from a Star Wars R1 movie prop? Do you mean this?

Are you trying to build a replica R1 unit? Is there any possibility of going back and taking new photos, including one that includes a little more of what's around the part? If you can't get access to the original R1 prop for a closer look I would suggest studying images like the one above and checking the frames in the original movie to see if you can get another angle on the part.

Happy hunting!

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#36
In reply to #33

Re: Trying to Identify This Mechanical Part

07/07/2018 8:35 PM

Love that robot, but I meant Rogue One.

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#34

Re: Trying to Identify This Mechanical Part

07/07/2018 1:32 PM

>Exit, stage left>

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#35

Re: Trying to Identify This Mechanical Part

07/07/2018 1:41 PM

Seems like an old speaker enclosures typically installed in those old drive-in movies..

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#37

Re: Trying to Identify This Mechanical Part

07/07/2018 8:41 PM

Mystery solved guys. The part I was looking for is this:

Basically a mini inflater for life-save vest. It was an incredible journey so far. Thank you all for the support and suggestions. It was some kind of valve after all. Red lever as indeed a lever, and the hole is for a CO2 tube.

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#38
In reply to #37

Re: Trying to Identify This Mechanical Part

07/07/2018 11:26 PM

Cool story! Thanks for letting us know the results!

Welcome to CR4.

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#41
In reply to #37

Re: Trying to Identify This Mechanical Part

07/08/2018 12:12 AM

OK, I came late into this one. How/where did you find your answer?

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#42
In reply to #41

Re: Trying to Identify This Mechanical Part

07/08/2018 12:26 AM

Spent more than 4hs watching blow off valves, later, expansion valves. After a few more hours comparing photos, I finally found the right valve. Thanks Google they indexed their web page. Manufacturer did not use the logo they put on the part, in their website, so HR logo wont't be any good from day zero.

I did not know this was a valve, I always thought It was some kind of lock. I was wrong, and some of you guys pointed me in the right direction. That's how.

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#45
In reply to #37

Re: Trying to Identify This Mechanical Part

07/08/2018 1:56 PM

Halkey-Roberts V87000

An excellent find on your part, demonstrates a stick-to-it approach.

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#48
In reply to #45

Re: Trying to Identify This Mechanical Part

07/09/2018 11:51 AM

I like when a story has a happy ending!

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#49
In reply to #48

Re: Trying to Identify This Mechanical Part

07/09/2018 7:47 PM

Sometimes identification is an easy quest, sometime is not. Getting the real part could be impossible due is not produced anymore, or cause I was extracted from a expensive machine. In this case, the factory don't sell them as commodity, so I emailing them requesting samples and pricing. We will see.

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#50
In reply to #45

Re: Trying to Identify This Mechanical Part

07/10/2018 7:11 PM

Ha too cool...

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#51
In reply to #50

Re: Trying to Identify This Mechanical Part

07/10/2018 9:05 PM

Yeah, did you have a look at the spec sheets?

Simple mechanism, pull the lanyard, works the red lever which is cammed on the short moment end, cam action pushes base of a CO2 cartridge, nozzle end of cartridge hits a pierce pin, dumps cartridge contents into vest (or raft, or ???).

I suspect these might be, for stated purpose here, sort of expensive. I would wonder if maybe a Coast Guard station, something like that... never mind, there are dozens of designs for these inflators, he might not find two of the desired type in ten years.

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#52
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Re: Trying to Identify This Mechanical Part

07/11/2018 11:18 AM

I had a look around, couldn't find any.....easier to just duplicate the device by other means...clay model, mold etc

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#53
In reply to #52

Re: Trying to Identify This Mechanical Part

07/17/2018 3:37 PM

Sadly, manufacturer did not want to send me a sample. So, I am looking for other options to get hand on them.

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#54
In reply to #53

Re: Trying to Identify This Mechanical Part

07/17/2018 4:36 PM

Are you the prop master for yet another Star Wars film, or are you making a replica for your den?

It seems you are going about this in reverse order - selecting and insisting on some nearly impossible to source item that, frankly, does nothing, rather than digging through your ‘stuff’ and selecting a piece with the thought “Yeah, this sort of looks like a robot part, I can use this.” This is certainly how a PFD inflator became a communications component of a ‘droid a long time ago in a place far, far away in the first place.

If a replica, carve a block of wood the size and shape, cut grooves where appropriate, and spray paint silver. Cheap, easy, finished.

If a true film prop that gets a close-up, find an inflatable PFD that uses the now discovered inflator, spend the $500 bucks to get two of them, cut off the desired part, finished.

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#55
In reply to #54

Re: Trying to Identify This Mechanical Part

07/17/2018 5:23 PM

Just making a replica.

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#56
In reply to #55

Re: Trying to Identify This Mechanical Part

07/17/2018 6:08 PM

And... is the carved wooden replica unacceptable for your replica?

I understand - fans can be rather rabid about authenticity. I worked on a replica Wall-E, and the guy was kind of upset when, after we got the arms to (somewhat) articulate and the belly door to open and close, it wouldn’t really compact stuff.

You know the manufacturer and part number from link in #45. Armed with that, search for Halkey-Roberts distributor. There appears to be some, and with a little luck one of those guys will have some parts for you.

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#57
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Re: Trying to Identify This Mechanical Part

07/17/2018 10:05 PM

Don't you think I already called to the HR factory? I did! And emailed them. They don't sell that part as retail. So nobody is selling that part but them. Since I am not a life vest manufacturer, they won't sell me or send me a free sample.

I will keep trying and pushing...

No, a wooden piece won't be fine. Since I have the blueprints, I can create a 3D model and print it, but o course, I will more happy having the real found part.

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#58
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Re: Trying to Identify This Mechanical Part

07/17/2018 11:49 PM

Wow. Your snotty response will garner a similar response.

I will tell you that I found a distributor who indicates he has these in stock. This was accomplished following the advice in comment in #56.

This isn’t my project, I honestly don’t care if you ever find these parts.

[unsubscribe FOREVER]

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#59
In reply to #58

Re: Trying to Identify This Mechanical Part

07/18/2018 1:52 PM

I am deeply sorry If I sound snooty ( did not know that word until today) Was not my intention. Help me or not, I can't force anybody to do my work. I will be more comfortable IF I find the part by myself.

I already tried to contact several HR distributors, most of them only carry valves and another model of mini inflator, not the one I am looking for. Thanks anyway.

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#44

Re: Trying to Identify This Mechanical Part

07/08/2018 11:42 AM

It appears, from the external visual appearance, it could be a Michrophone (mike) used to address in a meeting of large gathering.

Similar mikes I have seen during 1960s which was told at that time - this sort of mikes was in use from 1940 onwards.

Is there any electrical connection socket which will connect a cable to the amplifier.

Let us see other CR4 members postings.

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#46
In reply to #44

Re: Trying to Identify This Mechanical Part

07/08/2018 5:29 PM

Part have been identified, but can't edit first post to update the title.

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#60

Re: Trying to Identify This Mechanical Part

07/19/2018 1:31 PM

I was very luck to have a friend that works in an airplane company. He cut them off from a past due life vest. The quest is over.

Thanks everybody that posted here and tried to me help. I really appreciate your time.

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#61
In reply to #60

Re: Trying to Identify This Mechanical Part

07/19/2018 7:11 PM

Thanks for letting us know you found them. We seldom know the final outcomes of these posts...

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Good Answers: 2
#62
In reply to #61

Re: Trying to Identify This Mechanical Part

07/19/2018 10:51 PM

As soon as I finished the prop I am working on, will post some photos.

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