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The 'other' knob
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andy
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PostPosted: Sun Apr 27, 2008 3:46 pm    Post subject: The 'other' knob Reply with quote

Just some observations on the 'other knob' that is above the weaver knob on the world con (sorry I can not post pics right now)..

-It seems to be made of two parts with one nesting inside the other.

-The inside/back part also seems to have some ratchet gear like threads facing the gun.

-The white spot on the outside of the end piece seems to be 'cut' into it like a knotch.

Andy
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phase pistol
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PostPosted: Sun Apr 27, 2008 4:27 pm    Post subject: Reply with quote

The vertical brass area seems to be a notch cut into the metal.









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racprops
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PostPosted: Sun May 04, 2008 7:54 am    Post subject: Reply with quote

For those that care I copied that notch on my models as well.

Rich
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Once-bitten
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PostPosted: Sun May 04, 2008 12:32 pm    Post subject: Reply with quote

Has it been figured out what purpose the knotch serve(s)(d) if any?
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racprops
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PostPosted: Sun May 04, 2008 12:39 pm    Post subject: Reply with quote

None other that to use to tighten it with a small wrench...

If any one makes a knift edged wrench that thin.

Rich
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SCOFFMAN
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PostPosted: Mon May 05, 2008 3:16 am    Post subject: Reply with quote

The wrench that comes with a Dremel tool would seem to be about the right size and thickness for tightening a knob like that - though the knob is so close to the barrel of the gun, I doubt you could fit the wrench between the two. My question is though, since the knob is knurled wouldn't that suggest that it would be tightened/adjusted by hand? The ratcheting on the other end almost reminds of it being like a crown on a watch... you pull out the knob slightly, turn it to adjust it... you get the idea...

Of course since this is a prop, who knows where the original knob even came from? Anyone have an idea? Just curious...
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andy
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PostPosted: Mon May 05, 2008 9:59 pm    Post subject: Reply with quote

Okay from what I can tell about it, is that it does look like it was 'cut' not a mark from a tool in itself, because the material does not misshapen around the notch, but is instead very sharp. Though it could be cut for a tool to be used on it.

Also the color of the notch does not seem to match the other exposed metal parts on it. The notch is very dull yellow while the rest seems shinier. This could be from the fact that the notch may have oxidized to some degree, and either the other exposed parts are just the paint flecking off or are at least newer than the knotch. In any case the rest of the knob looks more silver that the knotch. I feel for some reason that it is more likely used as some kind of guaging demarcation. Just a feeling though and I have no evidence to support it.

I agree that it looks like a crown or winding knob from a watch (but larger). If so the two halves may house a spring, that would also work with the slip gear/ratchet (or whatever is the technical term for it?) allowing the knob to turn one way (and tighten something), but not the other (to loosen it?) without just slipping. Either way it certainly looks like some kind of 'winding' knob.
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SCOFFMAN
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PostPosted: Mon May 05, 2008 10:40 pm    Post subject: Reply with quote

Well, this is what I'm thinking... the knob is made of brass, and then was nickel or chrome plated...pretty common for brass parts. Then it was painted black or oxidized along with the rest of the gun parts when the prop was constructed... then when the notch was cut for whatever reason, you see the yellow of brass, but where areas of the black paint/oxidation have worn off you, you see the nickel/chrome layer shining through...
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andy
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PostPosted: Mon May 05, 2008 10:43 pm    Post subject: Reply with quote

Damn', that makes a lot of sense, I didn't think of that Smile
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oldzey
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PostPosted: Tue May 06, 2008 2:05 am    Post subject: Reply with quote



Huh huh, you said "knob"...

Laughing
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amish
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PostPosted: Tue May 06, 2008 7:47 am    Post subject: Reply with quote

I have been thinking about this, and forgive me if I am about to cover something someone already brought up.

The notch is definitely cut there and not intended as a platform to be used with a wrench. With the knurled type end of the other knob, there should be no need for wrenching.

Also, given the circumference of the "knob" the notch seems impractical.

In short, I am guessing it was an attempt to cut that part of the "knob" off, and then they changed their minds. However, I can also seeing that it may have been the only "knob" available and they used it with the preexisting flaw intact.
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andy
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PostPosted: Tue May 06, 2008 3:23 pm    Post subject: Reply with quote

Good thoughts, I do think though that the black paint job was done to keep it consistant with the rest of the gun, and the cut not being painted means that if that is true, it would have been done afterwards. Still just a feeling though.
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SSB
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PostPosted: Tue May 06, 2008 8:45 pm    Post subject: Reply with quote

It could have been accidentally machined / milled / cut into while the gun was being built, assembled or modified.


-Mike
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andy
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PostPosted: Sun Sep 21, 2008 10:51 pm    Post subject: Reply with quote

I am pretty positive at this point I have ID'd this "Knob". I am still trying to obtain the item, so information will come after I have one myself, and completely confirmed it.

Andy
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clutch
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PostPosted: Mon Sep 22, 2008 12:27 am    Post subject: Reply with quote

Sweet!
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amish
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PostPosted: Mon Sep 22, 2008 7:59 am    Post subject: Reply with quote

That is why, Andy is the man

Looking forward to seeing what you have found!

Tom
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andy
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PostPosted: Wed Sep 24, 2008 12:27 am    Post subject: Reply with quote

Alright, here is some info to keep you until I am able to let it all loose. The technical term for the "other knob" part is a "binding post". Here is a site that sells repros that are close...

http://www.oselectronics.com/ose_p86.htm



They still have some differences, but are essentially the same thing.

I have found some "found" vintage items that have the more accurate version, but they are parts off of much larger items that are pretty expensive on their own.

Andy
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Mr_Creepy
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PostPosted: Wed Sep 24, 2008 12:58 am    Post subject: Reply with quote

andy wrote:
...they are parts off of much larger items that are pretty expensive on their own.


Of course they are---RSA (Ridley Strikes Again)! Rolling Eyes Laughing
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Noeland
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PostPosted: Thu Sep 25, 2008 1:32 pm    Post subject: Reply with quote

It's funny, after studying the worldcon pics, that was one of those things where I asked myself "Why does the worn paint show us silver, and the notch show us brass. That struck me as so odd.



But clearly, if you read the specs, it all makes sense.

ANOTHER great find goes to Andy!!

Finder of knobs and guns and parts and pieces!

Well done.
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andy
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PostPosted: Thu Sep 25, 2008 1:40 pm    Post subject: Reply with quote

If I can find the "rod" I get the hat trick Wink

Andy
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