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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#41
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Re: 1/10 Liebherr Excavator R 984 Litronic
Thanks for the #number, Ed!
Markus |
#42
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Re: 1/10 Liebherr Excavator R 984 Litronic
Good morning,
today the first boom pictures. I choose the short one for the model. It measures from main bolt mounting to stick bolt mounting 780mm. It's not only a foursided housing, there is some structure inside to stiffen the whole thing. As you can see, the drum inside is made with two halfs whitch were welded together. The outer diameter is 74mm. Last edited by Markus K.; 02-16-2014 at 04:45 AM. Reason: typing error |
#43
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Re: 1/10 Liebherr Excavator R 984 Litronic
some more...
it came together very well, all parts got mounting noses and holes like a puzzle again for easier setup. Then the noses were welded at the outside to avoid warpage. Michael did an amazing job on the mill and fabricated the massive steelpart. It will take the two stick cylinders. The stickside of the boom were doubled up with some lasercut parts and after this I wrapped a belt strap around the sandwiched parts. |
#44
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Re: 1/10 Liebherr Excavator R 984 Litronic
Wow Markus....really like this build !! Great ideas, excellant workmanship and a larger 1/10 scale...looking forward to seeing more..well done!!
What is the size of the bucket?? |
#45
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Re: 1/10 Liebherr Excavator R 984 Litronic
thank you guys for your comments. I'm looking forward to show the stick today.
About the bucket, well, it fits to the machine ;-) it is a massive HD Bucket for digging rocks. Sure I'll need some other ones for digging in sod and topsoil, the Rock bucket will be rather ineffective for this. For easy changing there will be a hydraulics operated quick coupler. The bucket needs some more welding, but I ran out of gas for the tig. greets Markus |
#46
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hi guys,
here some stick work. I made two of them, one fits to Michaels R9100. The lathe bcame more and more useful, here I did the slope on the frontend parts of the stick. It comes together very well, but due to double cylinder action I did a little line boring and reaming on my lathe. |
#47
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Re: 1/10 Liebherr Excavator R 984 Litronic
Here are both together
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#48
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Re: 1/10 Liebherr Excavator R 984 Litronic
And the last ones including the levers and the pushrod. The first picture shows a bushing, it will be loctited in. Markus
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#49
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Re: 1/10 Liebherr Excavator R 984 Litronic
Markus I will have to say it again excellent work. Your getting closer to the dig. Ed
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#50
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Re: 1/10 Liebherr Excavator R 984 Litronic
Thank you, Ed. But I've to go a long way to the end, remember, this project started in September 2011. But I think it's going down the hill!
We come closer to the bucket but first I'll show up with the OilQuick120 quick coupler. Fortunately I was supported from the manufacterer with a drawing and some really good pictures. For this I had to made some really small double-acting cylinders. First tests with compressed air were successful. Half of the parts were lasercut parts, the others were milled/ premachined by Michael. First I drilled the 1mm holes up to 1.3mm for tapping with 1.6mm (I'm proud to tap 48 holes without breaking that little sucker). Later there will be screwed covers whitch will hold the bolts in place. The cylinders are simple brass tubes with the head soldered in place. Then I did some internal lathe work for the o-rings on the front and for the lockring on the backside. Really simple made. |
#51
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Re: 1/10 Liebherr Excavator R 984 Litronic
After this a lot of tig-welding and some sandblasting. The last picture shows how the locking bolts locks the bucket.
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#52
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Re: 1/10 Liebherr Excavator R 984 Litronic
That planetary is a thing of beauty. Keep the updates and pictures coming.
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#53
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Re: 1/10 Liebherr Excavator R 984 Litronic
Hi folks,
@Avel: thanks for your comment! @all: I know you're all waiting for bucket-pictures. Well, here they are, but it´s not finished yet. There´s a little more welding to do, but I think it´s recognizable. The teeth are sandwich-made using two halfs of lasercut sheetmetal, each 10mm thick. Could be the canines of a grizzly The knife is 12mm and needs some milling first (like the teeth). |
#54
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Re: 1/10 Liebherr Excavator R 984 Litronic
and the next ones. The bucket without the knife is for my college Michael, he's got some different teeth (toothcarrier and crown). Anyway, he did a great milling work.
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#55
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Re: 1/10 Liebherr Excavator R 984 Litronic
Here the last ones, just a simply size comparation.
Have fun while watching! |
#56
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Re: 1/10 Liebherr Excavator R 984 Litronic
What a monster this going to be. You have done some great work on the buckets lots of fine detail. Great work. Ed
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#57
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Re: 1/10 Liebherr Excavator R 984 Litronic
It's just incredible that you can fit a gallon jug into the bucket... that model is gonna be just massive! I can't wait to see the pictures of you standing next to the finished model!
I thought your colleague Michael was building a front shovel?
__________________
Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#58
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Re: 1/10 Liebherr Excavator R 984 Litronic
thanks for your comments!
it's even more than a gallon! Today I was a little scared by myself , I put the stick on the bucket. The phone right next to it is a usual size. No, Michael builds a backhoe attached R9100. Here two pictures showing the stainless steel laser-sintered toothcrown and the knife. Markus |
#59
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Re: 1/10 Liebherr Excavator R 984 Litronic
Your 1st pic with the stick & bucket, drop that assembly on a scale, let's see what it weighs... then how about a pic with you standing beside it for a size reference?
__________________
Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#60
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Re: 1/10 Liebherr Excavator R 984 Litronic
Wow this thing is going to be massive! Very nice looking build so far
__________________
Jarrett |
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