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Author Topic: 4 shutter "iris" hatch  (Read 49120 times)
Robo Von Bismark
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« Reply #50 on: April 11, 2010, 11:24:00 pm »

WOW, just wow. I am just in awe
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Rowan of Rin
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« Reply #51 on: April 12, 2010, 02:28:16 am »

That is just exquisite, I can't wait to see the finished door. And I hope the door leads to somewhere equally as exciting!
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shoeshine
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« Reply #52 on: April 12, 2010, 05:18:24 am »

Glad you like it Robo. 

I have been posting the progress of this project a couple of places (most notably the user group forum for the milling machine I use) and You have most definately been credited for the original idea.  In fact I have driven a couple of people to brassgoggles who thought steampunk had no interest for them because of this piece.

and Rowan, It will be the door to my studio/workshop.  While maybe not to everyone... it is the most exciting place I know Grin

Chris
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Robo Von Bismark
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« Reply #53 on: April 12, 2010, 05:29:38 am »

I can honestly say this is a hundred times better than anything I could have come up with.

I thought about the gear toothed outer drive wheel, but i could not achieve the accuracy required.

Kudos to you Shoeshine!!!
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shoeshine
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« Reply #54 on: April 12, 2010, 06:27:46 am »

Thanks Robo, that is high praise indeed.

Luckily, by hook and crook, I have a CNC machine (computer controlled router table that by pushing a little bit, and very slow cuts, I can mill metal as well) It allows stuff that I would not otherwise even contemplate.

and as you are the inspiration for this whole thing in the first place;

I take it from your avatar that you are down under.  I have no idea what parcel post would be for @ 3lbs of brass would be to Australia. But if you want to cover postage I would be happy to send you a kit of all the milled parts. Once I have all the drawings and toolpath/cut-files done, It is really just a matter of putting the brass sheet on the machine and hitting "play".  You would still need a set of machine thread taps for the bolts and connectors you use. I assume in AU, you are metric as oppposed to SAE so my measurements in that regard wont work, and a way to cut the backer board. I do have a marker toolpath in the file that gives you dimples (kind of like a centerpunch) where you need to drill.

anyway, open offer if you would like.

chris
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J. Wilhelm
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« Reply #55 on: April 12, 2010, 07:23:06 am »

Luckily, by hook and crook, I have a CNC machine...

Absolutely outstanding work Mr. Shoeshine!   Truly Machiavellic .
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Kevin C Cooper Esq
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« Reply #56 on: April 12, 2010, 08:18:53 am »

Outstanding work, I want them in all my doors, and I want a CNC machine, my list of wants and to do's seems to just keep growing.
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PatronZero
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« Reply #57 on: April 12, 2010, 05:37:02 pm »

Simply inspired and delightfully simple mechanism, applause and kudos !
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JennyWren
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« Reply #58 on: April 12, 2010, 06:16:37 pm »

 just awesome, again just awesome
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akumabito
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« Reply #59 on: April 12, 2010, 07:03:03 pm »

A smaller version would be brilliant for use in a "camera camouflage" box to make a digital cam look more steamy..
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Robo Von Bismark
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« Reply #60 on: April 12, 2010, 11:02:36 pm »

I take it from your avatar that you are down under.  I have no idea what parcel post would be for @ 3lbs of brass would be to Australia. But if you want to cover postage I would be happy to send you a kit of all the milled parts. Once I have all the drawings and toolpath/cut-files done, It is really just a matter of putting the brass sheet on the machine and hitting "play".  You would still need a set of machine thread taps for the bolts and connectors you use. I assume in AU, you are metric as oppposed to SAE so my measurements in that regard wont work, and a way to cut the backer board. I do have a marker toolpath in the file that gives you dimples (kind of like a centerpunch) where you need to drill.

anyway, open offer if you would like.

chris

Its a very tempting offer, but from experience I know how expensive freight to Australia can be.

What you have done is show me some possibilities in the construction of some other ideas. Thank you again for posting this and please keep the forum posted with updates.

Do you have a link to the CNC forum you posted this in?
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shoeshine
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« Reply #61 on: April 13, 2010, 04:25:32 am »

The machine I use is a Shopbot
http://www.shopbottools.com

the forum is here
http://www.talkshopbot.com/forum/index.php

and the thread on the iris is in the show and tell section folder 15
http://www.talkshopbot.com/forum/showthread.php?t=795

Great company, great machine, and geat people in the community.
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Robo Von Bismark
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« Reply #62 on: April 13, 2010, 05:44:25 am »

The machine I use is a Shopbot
http://www.shopbottools.com

the forum is here
http://www.talkshopbot.com/forum/index.php

and the thread on the iris is in the show and tell section folder 15
http://www.talkshopbot.com/forum/showthread.php?t=795

Great company, great machine, and geat people in the community.


That forum thread certainly had a lot of feedback. Nice to see everyone adding bits and doing there own little takes on the design.
And you are doing a actual camera iris, are you going to post that as well?
Did you see this one
http://brassgoggles.co.uk/forum/index.php/topic,5079.0.html
or this simple "eye" goggle version
http://brassgoggles.co.uk/forum/index.php/topic,14504.0.html
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shoeshine
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« Reply #63 on: April 14, 2010, 06:03:34 am »

Quote
And you are doing a actual camera iris, are you going to post that as well?
Did you see this one
http://brassgoggles.co.uk/forum/index.php/topic,5079.0.html
or this simple "eye" goggle version
http://brassgoggles.co.uk/forum/index.php/topic,14504.0.ht


No I hadn't,  nice work.  I love the idea of the 2 shutter iris as well.  I'll play with that shape. hmmn perhaps a 4 shutter assymetric curve so as to get the true shape of a feline eye...

As you saw, I tried a traditional camera iris using measurments from an old Hasselbad upright.  But I greatly underestimated how thin the leaves have to be to function well and close down to a reasonably smalll apature in the center.  By my best guess they would need to be .005 or less for a traditional 12 leaf iris (possibly .002 and that stuff is a bear to work with, almost like foil).  I used .02 in the prototype and with just 6 leaves in place I stuck the center opening at @ 5/8".  I still have the working drawing/cutfile though, and will probably re-visit that at some point.  ahhhh time, I need more time.

Chris
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Dr von Zarkov
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« Reply #64 on: May 24, 2010, 03:54:33 am »

More on shoeshine's work in today's BoingBoing:
www.boingboing.net

Followed up by a cardboard mockup
http://brassgoggles.co.uk/forum/index.php/topic,15364.0.html

and a video from the Maker Faire:
www.flickr.com
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« Reply #65 on: May 24, 2010, 04:04:02 am »

That is fantastic! I just got two old cameras from Goodwill a while ago and took the iris diaphragms from them with intent on using. Sadly because of the size they will not look nearly as sweet.
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« Reply #66 on: May 24, 2010, 12:16:14 pm »

Now you just need this table to go along with it.
DB Fletcher Capstan Ilona expanding tableLQ | LQ+ | HQ
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« Reply #67 on: May 24, 2010, 12:42:52 pm »

Awww yeah, those are some SEXY tables..

Here's an automated model:

Fletcher automated Capstan TableLQ | LQ+ | HQ | HQ+ | HD
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Rao
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« Reply #68 on: May 24, 2010, 01:21:13 pm »

Now if they would just make the top out of tempered glass and make all the gearing out of brass.
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Polaris
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« Reply #69 on: May 24, 2010, 03:47:51 pm »

My god.... I don't even want to think about how much one of those costs.... If I did it would only destroy any dream I had of owning one....
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akumabito
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« Reply #70 on: May 24, 2010, 06:28:00 pm »

My god.... I don't even want to think about how much one of those costs.... If I did it would only destroy any dream I had of owning one....


I saw a figure floating about some time ago that was in the tens of thousands of dollars region.. saw a blog stating they were 20 to 25k, but I am afraid those estimates are hopelessly optimistic. I did a bit of Googling, and according to this site, we're talking $50~70k...
« Last Edit: May 24, 2010, 06:32:00 pm by akumabito » Logged
Polaris
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« Reply #71 on: May 24, 2010, 06:42:02 pm »

My god.... I don't even want to think about how much one of those costs.... If I did it would only destroy any dream I had of owning one....


I saw a figure floating about some time ago that was in the tens of thousands of dollars region.. saw a blog stating they were 20 to 25k, but I am afraid those estimates are hopelessly optimistic. I did a bit of Googling, and according to this site, we're talking $50~70k...


T__T
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steamtastic
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« Reply #72 on: May 25, 2010, 03:29:56 pm »

what about a non-automatic one?
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Rao
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« Reply #73 on: May 25, 2010, 06:27:19 pm »

The 50 to 70k was for the non automated ones....
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steamtastic
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« Reply #74 on: May 25, 2010, 07:09:06 pm »

Oh right, sorry. But ablest I can forget about ever owning one of those anyway.
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