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  #601  
Old 01-28-2015, 03:52 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Same issue here Modelman
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  #602  
Old 02-03-2015, 08:40 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

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Originally Posted by modelman View Post
I cannot open the pictures on post #593. Anyone else have this problem?
Hey Tom and Joe25, I see that one photo is too large and needed resized. I looked on my Iphone and it works now That must have been the issue.
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  #603  
Old 02-03-2015, 09:54 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Steve,

The time lapse video was one of several of my videos that got deleted but I found the raw clip and re posted it. Can't wait to see the operators station in action! When is Cabin Fever, you gona be ready by then?

http://youtu.be/d6w--0yp60s

Jim
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  #604  
Old 02-03-2015, 10:46 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Still doesn't work for me steve. I usually right click and it give an "open link" box and left click to open. Now if I right click nothing shows but the "show" picture prompt and clicking that, nothing happens. Also left clicking on the X shows nothing.
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  #605  
Old 02-04-2015, 04:13 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

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Originally Posted by 9W Monighan View Post
A little update on a new acquisition for the 9W. Had a chance to get the controls from a machine being scrapped. I had an idea to get the whole cab but after the scrapper cut if off, it turned out to be much larger and heavier than anticipated. ~12,000# 14'Lx 11.5'H x 9.5'W
Sooo we took the master switches and foot pedals. Wasn't very easy though but now I have them. I plan on wiring them to my machine so I can get the old time operators to give it a try. Most don't want to use the radio used now.





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  #606  
Old 02-04-2015, 05:31 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

This will be awsome great idea!
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  #607  
Old 02-08-2015, 03:43 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Took some time today to crack open the 1:1 mater switches from the scrapped Marion.
Lots of #10 wire I had cut to get these things loose from the cab.



The switches don't use potentiometers like I thought. Looks like some sort of variable transformer that changes the voltage to the control room.


Control Room. Lots of interesting things in here.



Here is another switch I have that has a potentiometer on the bottom.



My Big question is; Does anybody know what value the pots on the Spektrum DX7 Transmitter are?
I don't want to disconnect them from the radio just yet.
The plan is to hack the radio's joysticks and rewire them to the correct potentiometers that will be installed on my master switches from the 1:1 machine.

Closeup showing inside radio and pot mounted on master switch.
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  #608  
Old 02-22-2015, 03:01 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Well I took some time this weekend to strip old wiring from the 1:1 controls to start my modification.


These interesting transformer things are called "Inductors" I found this out from a dragline electrician. These take 110VAC in then put out a variable voltage up to around 30VAC. These are not going to work for the DX7 Transmitter.
Pretty cool to fool around with. I hooked one up and rotated the coil with my fingers and the magnetic field increased along with the voltage output the further I turned.





I decided to unhook one of the pots on the DX7 and reconnect the wires to a 5K pot that is mounted to the bottom of another controller I have.
Well it worked! I tried it on one of my RC trucks and my dragline switch work very well. I ordered some more 5K pots to mount to my controlls now and hope to get them to work on my dragline.




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  #609  
Old 02-22-2015, 05:26 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Looks like you have enough work to keep you busy for awhile on this.
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  #610  
Old 05-13-2015, 09:03 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Found this great on board video a guy made last summer at the Brownsville,PA show of my machine working.
This makes me want to get moving on my 1:1 controls and rig up a camera and video screen.
https://youtu.be/PSjhxGMoZ0I

I see some of my other toys in the back ground too. M274 Military Mule , The little CAT D1 , and my Caterpillar Sixty stationary engine.
.

Last edited by 9W Monighan; 05-13-2015 at 09:06 AM.
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  #611  
Old 05-13-2015, 09:25 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Another nice video, I like the go pro on that setup!

Jim
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  #612  
Old 05-13-2015, 04:43 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

That is a nice video steve-It gives a realistic view of just what the operator sees. Any progress on the 1:1 controls? I have virtually real size movements on my dragline controls now and it is a little bit hard getting used to.

Last edited by modelman; 05-13-2015 at 04:46 PM.
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  #613  
Old 05-14-2015, 09:20 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

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Originally Posted by modelman View Post
That is a nice video steve-It gives a realistic view of just what the operator sees. Any progress on the 1:1 controls? I have virtually real size movements on my dragline controls now and it is a little bit hard getting used to.
No progress on the 1:1 controls Tom. I do need to work on them because they're sitting in the middle of an area of my shop just tack welded together and I need to move it because I have a big job that needs that space.
Couldn't get to working on them because real work is more important right now.
I estimate the control module will weigh more than the model, ~500#
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  #614  
Old 06-27-2015, 07:17 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

UPDATE. Took some time this past couple weekends and got the control platform welded up enough to move it. I Haven't got a weight just yet.
Last weekend I took a trip to an heavy equipment junk yard where I knew they had an old Marion 7400 dismantled. Asked about the original operators seat. The guy had it in side out of the weather thankfully. So I came home with it.
Today I decided to go all out and see if my idea of hacking one of my DX7 transmitters and hooking up the 5K pots to the 1:1 master switches works.
Got it hooked up with jumper wires for the big test. It worked!!! Actually it is easier to control the bucket hoist chains while dragging in the bucket.
I put about an hour of operation time in with no flaws. Haven't tried dirt though only along the concrete floor. It took a little to get used to especially the swing pedals. Now I will have to take the time to wire up some of the switches on the consoles.
This is another major milestone for this long time build. I have been wanting to do this since the beginning of this project.






Seat swings out to easy get into operating position.



Here is the elevator pot from the DX7. De soldered it from the board and attached my jumpers.




Mounting plated for the 5K pots.


Temporary mock up




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  #615  
Old 06-27-2015, 10:30 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

You will have a hard time getting me out of the seat if that shows up at Brownsville!

Jim
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  #616  
Old 06-28-2015, 12:09 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

That's gonna be cool!
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  #617  
Old 06-28-2015, 07:53 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Very nice work Steve good to see you making progress on this I know you wanted to do this for quite a while. Ed
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  #618  
Old 06-28-2015, 11:31 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Nice Steve .Glad you are getting the electronics part sorted out ..With a long time build like this it helps to have time to get this type of stuff sorted out ..this brings RC to a new level .. Rumor has it now that Fort mac is looking to turn there fleet of haul trucks to computer ran unmaned units ..sad when this day comes for the unemployed truck drivers
well back on topic here ..had this pics for a while now and sure you probably seen it already ..

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  #619  
Old 06-28-2015, 04:50 PM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Thanks you guys for the comments.

I have a question. Can my DX7 be powered up with 12VDC?
I will be hard wiring it into my control cabinet eliminating the 9.6VDC battery pack.
I don't want to cook it. The power supply in the photos is adjustable to 40VDC and I have it set to ~10V it is not practical to carry that thing along.
Looked around on ebay for a industrial power supply without much success. Possibly just look around at all the wall plug battery chargers laying around here, maybe I have a 9.6V one.
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  #620  
Old 06-29-2015, 11:02 AM
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Default Re: 1/16 Bucyrus-Monighan Walking Dragline

Good to see you got this working steve-that seat was a great find. Probably not many of those left. Does it feel strange operating your model with this set-up? Will this module be portable enough that you can take it to shows? If so I think a lot of the old operators would be willing to give it a try.
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