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Post by nikeajax on Dec 5, 2013 19:32:44 GMT -8
Blast yer eye's sir... why'dja hafta be right... grumble-grumble-grumble... Well you can just keep yer stinkin' parts, I didn't want 'em no how Sigh, click on the image for a better view: yup, they upgraded most everything! Well, this means I still get to play Dr. Frankinscuba "Say goodnight Gracie!" Jaybird
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Post by SeaRat on Dec 6, 2013 0:14:24 GMT -8
Not quite right, Jaybird. I took a Dial-A-Breath in about 1973, bought new parts, and built an R4 from the parts. Dacor used the same body (#1 in the Dial-A-Breath diagram, but #16 in the Clipper diagram above), the same valve body (#25 above), and the same seat and spring (#23 & 24 above) for both regulators. So some of the parts will do you good.
Now, I'm curious whether you have the primary demand lever, the one which goes from the LP seat to seal that seat? If you have that one, manufacturing the secondary lever is not much of a problem.
We'll talk more tomorrow.
John
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Post by nikeajax on Dec 6, 2013 12:49:27 GMT -8
John, thanks for your help--REALLY! Okay, my C3 is from Skokie, IL # C3055, but it has a silver label... Here's what I have: My thoughts are, that if I can't find the high-pressure-assembly, I would use the Olympic-200, as seen in the image, cut the shoulders off, solder the vein for the HP-hose shut, then cut threads into it, then, use some thread-lock to keep the nut from walking. In the bottom of the image is the dummy of the primary-lever I made, Dacor part No. R4172. I was able to score a NOS diaphragm for it: and yep, I slathered it in silicone-grease to keep it from oxidizing: I'm not worried about it walking as it's screwed down, as you know! Jaybird
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Post by SeaRat on Dec 6, 2013 13:34:48 GMT -8
John, thanks for your help--REALLY! Okay, my C3 is from Skokie, IL # C3055, but it has a silver label... Here's what I have: My thoughts are, that if I can't find the high-pressure-assembly, I would use the Olympic-200, as seen in the image, cut the shoulders off, solder the vein for the HP-hose shut, then cut threads into it, then, use some thread-lock to keep the nut from walking. In the bottom of the image is the dummy of the primary-lever I made, Dacor part No. R4172. I was able to score a NOS diaphragm for it: and yep, I slathered it in silicone-grease to keep it from oxidizing: I'm not worried about it walking as it's screwed down, as you know! Jaybird Jaybird, You are almost there. I do have a high pressure assembly, but I cannot get it apart. So I'll send it all to you. I also have a HP diaphragm or two. Yours looks like it does not have the center portion. Now, the problem is that it is the center portion that allows for the interstage pressure adjustment, and all mine has is a nut. The "dummy" lever you made is close, but not quite there. What you need to do is to put the assembly together, and see how high the primary lever needs to come up to push against that seat. I have a diagram about how it should look, so you can get a concept of it. The secondary lever has that 180 degree bend, which is supposed to push against the primary lever. I think that Dacor did not have a straight lever to get around a USD patent. This is a design flaw, as the 180 degree bend area pushes on the primary lever in a decreasing manner, and the USD lever equivalent has the primary lever sliding down the fulcrum of the secondary lever in an increasing leverage. This made the Dacor regulator breath less efficiently in my opinion. So if you can manufacture the primary lever, you may want to also do the same for the secondary lever to correct this defect in design. On my R4, in the 1980s I simply pounded it flat and tried it in the pool. While I got better results, because there were some "dimples" in the lever, there was irregularities in the breathing. I gave it to a Dacor representative, and he took it back to Dacor, where it was lost or discarded. I got a prototype Pacer in exchange, but lost the R4 forever. Too bad, because like I said I had rebuilt that regulator totally by myself. John
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Post by nikeajax on Dec 6, 2013 14:08:37 GMT -8
I am quite humbled sir--again, thank you! Would you happen to have part No. 13, R441 the HP spring as well?
Jaybird
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Post by SeaRat on Dec 6, 2013 14:27:20 GMT -8
Yes, I have the spring, and a seat.
I just checked my Dacor Olympic (I have several, and one is disassembled), and I don't think the HP components will be helpful for your Clipper. They are of a different design.
I am looking at your photo, and I see that you do have at least part of that HP diaphragm adjustable section too. So it looks like you have more than I thought above.
John
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Post by nikeajax on Dec 6, 2013 17:43:18 GMT -8
"I do have a high pressure assembly, but I cannot get it apart. So I'll send it all to you."
So what should I call those pieces: valve block? Those being parts No. 21 through 26...
Gosh, I hate to be greedy, but... do you have an extra yoke-screw too--gulp?
John, you're exactly why I like this forum so much, and so dedicated to it: everyone here is really helpful and has nothing to prove!
Again, thank you! Jaybird
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Post by SeaRat on Dec 6, 2013 17:49:33 GMT -8
Yes, I do have a yolk screw. I got those parts from Charlie Nutthoff when I also got the La Spiro Professional Mouthpiece. So you can see what I have by going there. Here's the photos of what I have, and yes there is an extra yolk screw. vintagescuba.proboards.com/thread/3181/dacor-projectOkay, I've scanned the diagram of the R4/Clipper (innards are the same, just to top box is different). Here it is, and this will allow you to see what the primary lever looks like and why it has that small, L-shaped end to hold down the seat. Attachment DeletedJohn
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Post by SeaRat on Dec 6, 2013 20:59:48 GMT -8
Jaybird, since you like challenges, take a good look at the "venturi" of the Clipper. It is simply a hole in the second stage body, and it is at an angle to the flow of the air up out of the LP chamber. I've always wondered whether there was a possibility of putting a Mistral-type venturi tube into this second stage body. The Dial-a-Breath vane would need to be replaced, but it seems like it may be do-able.
My next project is to build a different type of double hose regulator, one that is not dependent upon the tank valve position for ideal regulator positioning. I'll outline this in a different thread, and perhaps a PM to you.
John
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Post by Michel on Dec 8, 2013 8:40:57 GMT -8
Hi Dacor fans, Just FYI, I have a brand new Dacor dial a breath improved late model mouthpiece (OEM) which came as an improvement to the smaller diameter mouthpiece if anyone is interested, I have no use for it as I only dive/restore USD vintage 2 hoses. I am willing to trade it for something I need rather than sell it, let me know, oh and no cages though. Michel
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Post by nikeajax on Dec 8, 2013 11:02:08 GMT -8
"I only dive/restore USD vintage 2 hoses."
Well, that put me out then... as I have nothing you'd be interested in, all my USD gear is single hose... C'est la vie!
Jaybird
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Post by SeaRat on Dec 9, 2013 15:45:03 GMT -8
Hi Machel, thanks, but without the cages it would be hard to use. I may be interested though, and put in some spacers without non-returns. Let me think on that.
John
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Post by SeaRat on Dec 13, 2013 19:23:11 GMT -8
Machel, I may be wanting that mouthpiece. I'll let you know in a few days. I just bought on E-Bay a Dacor Clipper; I was the only one who bid on it.
Jaybird, I'll be sending you some parts next week. I just tore down my Dail-A-Breath, put a different spring in it, and bent the levers up so that they had better leverage, and it is breathing better now. So I don't need the parts anymore.
I will be looking at the Clipper I bought soon, and give a report here too.
John
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Post by SeaRat on Dec 16, 2013 10:35:39 GMT -8
I just received my Dacor Clipper, and a very nice letter from Verna Pedersen. This was her father's regulator, Mr. Vern Pedersen. She also gave me several links to information on her father, which I will be posting soon. Here's the link in which her father, Vern Pedersen is mentioned about the founder of Dacor, Mr. Sam Davison. www.internationallegendsofdiving.com/FeaturedLegends/Sam_Davison_bio.htmIn this link, the following is mentioned: www.psdiver.com/images/PSDiverMonthlyIssue79-secure.pdfThis link contains an article by Vern Petersen titled Chicago Mass Dive. It details a series of dives Mr. Petersen organized and led in order to search for evidence in a Chicago murder in 1957. Note the photographs of the divers using double hose regulators in his article, which was also published in the November 1957 issue of Skin Diver Magazine. Now, I have Vern's regulator, a nice Dacor Clipper which needs some work. But it is in fairly good condition. I'll give more specifics later. John
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Post by nikeajax on Dec 16, 2013 11:24:54 GMT -8
John, that's a really nice find, and nice story! You told me to buy that one, but again, I'd still have my handful of parts still left over, then I'd have to start all over finding parts to complete the one I already have that's just how my brain works! How exciting to have a reg belonging to one of the Dacor company divers: I think Michel's hoses would make that it even more special, as it wouldn't do to have common USD hoses on it--that would be blasphemous! Jaybird
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