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  #261  
Old 04-06-2014, 03:20 PM
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Default Re: First build ,cat D11

Yes that's what I'm thinking. I would love it if it had some squeaks to it. But tracks are aluminum and only materials rubbing are aluminum and brass. Most likely no squeaks. In time the clanking will get louder as tracks get more loose and worn. The sound speaker is going to be housed inside the cab, I may add some absorbent material in that area so it doesn't sound like a tin can. . Not the best for acoustics but it's on the minor side of things to worry about.
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  #262  
Old 04-06-2014, 04:28 PM
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Default Re: First build ,cat D11

looks good Cooper wana trade PRV's for the weekend ? The 1 you have will fit better in my compactor and not enough time to get 1 in from Premacon .

On the turbo whistle , it's not right . I have 75% hearing lose in both ears , so I can barely hear it in the real werld . Wen I can hear it on a model loud and clear , somethin not right . The only time I ever heard that whistle , is when I ran the TD12 and TD8E with a straight pipe
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  #263  
Old 04-06-2014, 04:34 PM
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Default Re: First build ,cat D11

Depending how good your hearing is, I suppose you might not be able to hear some turbochargers, but others can be heard over everything else. This is a D10R, but the turbochargers are definitely audible.

https://www.youtube.com/watch?v=XVQWchXTcy8
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  #264  
Old 04-06-2014, 05:35 PM
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Default Re: First build ,cat D11

Awesome build for sure, what more can I say? As for the sounds why don't Servonaut offer a screaming Detroit?
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  #265  
Old 04-06-2014, 08:56 PM
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Default Re: First build ,cat D11

I should have said 11N's that I have been around. They have a very distinct sound. I can still hear them in my mind because they used several of them less than a a half mile from my house to stripmine one of my friends property about 22yrs ago.

This video has that sound I was describing. No whistle, only raw power fan noise track clunks and the occasional squeak of the blade twisting
https://www.youtube.com/watch?v=TDDFkHhWeGM

The coal company also was running some old worn out D10N's with the V12
They are louder than the 11's

Are you going to try to make it down to York,PA next weekend to display your dozer?
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  #266  
Old 04-06-2014, 09:27 PM
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Default Re: First build ,cat D11

I really want to get down to York. I was just talking to a friend in Harrisburg, if I can make it I'll be down Saturday. He and I are in the same boat, don't know till Friday and that's not sure. Weather has just been terrible for me and work has been pilling up. Hopefully I can make time as it's not that far for me to go for a couple hours. If I do head down there I'll bring what I got so far. Slapped together it looks pretty good, no paint or finals yet but would make a good looker for the show.
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  #267  
Old 04-06-2014, 09:31 PM
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Default Re: First build ,cat D11

I should see if I could hang a couple pieces of heavy steel inside somewhere. Any movement would clang them together. I love the clinking of tracks and the squeaks. To me it's what makes a dozer. I use to watch my dad back in the 70's running a d8 all clapped out, loose and loud. .
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  #268  
Old 04-06-2014, 09:36 PM
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Default Re: First build ,cat D11

Quote:
Originally Posted by ihbuilder View Post
looks good Cooper wana trade PRV's for the weekend ? The 1 you have will fit better in my compactor and not enough time to get 1 in from Premacon .

On the turbo whistle , it's not right . I have 75% hearing lose in both ears , so I can barely hear it in the real werld . Wen I can hear it on a model loud and clear , somethin not right . The only time I ever heard that whistle , is when I ran the TD12 and TD8E with a straight pipe
If I don't get my order this week I can see if I could next day the prv for you. Without the fittings I need it's just sitting. My premacon order has been in limbo for over a week. It's in USA but no movement, must be caught up in customs.
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  #269  
Old 04-06-2014, 09:49 PM
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Default Re: First build ,cat D11

thats OK . It took me a couple hrs to figure out how to stuff everything under that hood , not pulling apart till after next weekend . Then I'll do some digging see what I can find local what size fittings ? I have a few and I'll be ordering more this summer from my supplier .
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  #270  
Old 04-06-2014, 10:22 PM
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Default Re: First build ,cat D11

Just weighed everything including batteries. Less paint and oil. But all in all it was 64lbs. So weight when finished will probably be around 70lbs.

Inbuilder, I need three m5 by 4mm hose elbows, two elbows to come off pump, 1/8 fittings or m10?? Not sure what thread size. But one elbow for 6mm and one for 4mm hose. Hopefully I'll have these this week but I'm always finding I need something else!!! I may have to hit you up for something if I don't get it.
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  #271  
Old 04-06-2014, 10:27 PM
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Default Re: First build ,cat D11

Or I may make up my own but that is going to be a p.i.t.a. Knowing nice shiney pre made fittings are out there somewhere. guess it's going to be a struggle between my ADD impatience and logical reason of waiting. Basically kid vs adult
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  #272  
Old 04-07-2014, 07:24 AM
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Default Re: First build ,cat D11

I'll have to order the fittings going to the pump , I have 1 6mm elbow and 1 straight . I have a few m5x4mm
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  #273  
Old 04-07-2014, 12:20 PM
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Default Re: First build ,cat D11

On these premacon pumps, what is the correct thread size on the suction and pressure side of pump? Is it m10-1.50? I'm at work right now so I don't have pump with me, I know on there website it says 1/8zoll. I'm probably going to make my own elbow from brass and just want to be sure of thread pitch.
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  #274  
Old 04-07-2014, 12:35 PM
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Default Re: First build ,cat D11

1/8 british standard straight pipe
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  #275  
Old 04-07-2014, 08:37 PM
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Default Re: First build ,cat D11

Thanks for the thread size.


Made a paper template of battery compartment.
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  #276  
Old 04-07-2014, 08:45 PM
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Default Re: First build ,cat D11


Transferred markings to this piece of aluminum I had. Don't know where it came from but it fit the bill


Milling it to the correct size, I'm making side pockets for it to slide into along side frames. And in the mill it's 1/8" thick plate so some clamps to keep it from vibrating too much to mill. As I don't have a band saw and needed to have square clean edges.


After cutting out. I made some openings in the front to get some of the air from the fan. I was planning on heating up then bending the front, back and sides. But,,,,, I don't know what kind of aluminum this was but it doesn't want to bend. It broke at every bend. Plate so I guess it was just too thick to bend to 90 degrees. After breaking all the sides I spent a lot of time milling out,,,,,,I used that aluminum weld rod stuff. It works pretty well but doesn't penetrate wort beans. I'm going to at some time in future have it welded on the bottom seams. But for now the torch welding will work fine.
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  #277  
Old 04-07-2014, 08:50 PM
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Default Re: First build ,cat D11






In the first couple picks you can see the slots it slides into. It's a bit of struggle to get it in but once together with the front sides on its very secure. And it actually opens up a lot of room. I have enough room to stack two of those batteries for some longer run times. And I don't think I'll have to secure batteries as they fit snug without being able to move much. I use to having to go to great efforts to have everything secured. I think this is going to stay right side up all the time.
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  #278  
Old 04-07-2014, 09:51 PM
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Default Re: First build ,cat D11

Cooper,
Which brand of rods did you use?? I worked with some alumiweld this weekend and same thing... it is crap for a good weld. I am waiting for some muggyweld Super 5 to show up tomorrow to try and test it out. They say the powder flux does the trick that it works real well......we will just see.
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  #279  
Old 04-07-2014, 10:21 PM
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Default Re: First build ,cat D11



I'm sure this stuff isn't made by Hobart, I looked for a manufactuer on the back but no luck just a brand name. I have some flux and solder for aluminum but I don't know where I put it!!! I used it to solder lipo base tabs as they are aluminum (as people will say they are copper and you can't solder aluminum, but they are aluminum base tabs ). Yes for what I've gotten into the flux is the main part, has to break the oxide on aluminum. Even just milled will quickly develope an oxide covering. That's why they say to use stainless steel wire brush on aluminum during heating when brazing, soldering. Let me know what the stuff you get works like as I just don't have enough work to warrent a purchase of tig welder. But am trying very hard to justify a purchase of one. .
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  #280  
Old 04-08-2014, 08:54 AM
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Default Re: First build ,cat D11

Use some acetone to clean the aluminum before welding it helps clean the oxidation off. Ed
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