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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#221
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Thanks for the tips.
I forget to mention that i'm amazed by each step of you progress. Very nice. really. |
#222
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Recently this was delivered from the foundry (500 grams per piece):
Was I ![]() ![]() ![]() Why? Have another look! /Stefan Last edited by Stefan; 11-11-2017 at 10:35 AM. Reason: Link repair |
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Nice parts, I guess one is made the wrong way?
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Which one? the top middle should look the same as bottom middle or just the bottom middle wrong...
![]() What are the pieces for? Incredible work you're doing here Stefan using many methods to make parts as exact as possible. ![]() ![]()
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Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#225
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Tack and thanks, Kalle and Joe!
The pieces are the arms for the lift cylinders, you can see one behind the cylinder in my first posting of 03-01-2016. Yeah, I ordered two each of the right and left arms but got three right arms and one left. So, one could be really funny here and say that they didn't get it right although they tried hard to make everything right ![]() ![]() ![]() ![]() Stefan |
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Great play on words Stefan
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__________________
Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#227
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Well, Joe, to start with the summary that would be almost 20 hours of my own (in-?
![]() In detail I can see from my notes that I spent 13 hours spread out over a fortnight turning my documentation of the original blade lift arms into CAD drawings. Then the 3D printing shop apparently printed the mould patterns within 24 hours of receiving the CAD file. After that I had to manually adjust the patterns, because some bevels and free form surfaces had been too complex to model with my CAD program. Additionally I had to fill and sand the surface, since the 3D print layers were too coarse. I guess that took at least 3 hours for each pattern. The foundry sent me the castings about 3 weeks after ordering. I suppose that could go faster if you are a well known customer. Now I´ll probably need another 2 hours machining per casting and I just noted that there are some surfaces in need of filling due to shrinkage - add another 2 hours. Also add some overhead for contacting the service provider and mailing things. Now, Joe, it´s time to give more meaning to the word "theoretically" used above. As you may have come to understand by now, I don't feel much urge to hurry things, and in fact the first session of drawing these parts took place as early as in December, 2007. Cheers! Stefan |
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Amazing work done Stefan. I do so like the casting technic with part numbers included. What a level of details!
Dan |
#229
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I love the planetary gear sets! Those should last awhile.
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Hej Dan. Thanks! See you in three weeks?
@"thetractorfan": Well, there are some serious doubts about that due to the high weight of the model. Time will tell. Stefan |
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I congratulate you Stefan on your dedication to get 'er right... I sincerely hope you live long enough get 'er done!
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__________________
Sharing knowledge is one thing that defies basic arithmetic logic --- the more you share, the more you get! Joe |
#232
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Yeah, thanks Joe, that thought has crossed my mind, too ...and I haven´t even started making the tires...
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Stefan I am Blown away over you're Grader Build......can't find superlative enough !!! Did you look at Coopers Tire-making. They are super nice. I saw them in person @ Cabin Fever. By the way i want a grader badly
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Thanks Bo. Haven´t heard of Coopers Tire before so thanks for the tip but if they make scale tires they seem rather quiet about it and I haven´t been able to find anything useful on the net.
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Ooh !!! Sorry I was thinking of Our fabulous Cooper on the forum. http://www.rctruckandconstruction.co...t=9048&page=48
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tire building starts on post 966. before that its just 12 y/o kids having fun
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Ha, ha!
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Lol!! Cooper tire!!
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Always wasting money, as the wife says. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. |
#239
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Yeah, the forum is great. Always someone with a good idea if you get stuck. Cooper, your tires look awesome! You have come far in this hobby in just some 3 years. I sure will review your tire build if I have to mold my tires myself. I´m also considering pneumatic tires. A pal of mine did it for his 1:12 models and it improves running a lot and looks excellent. It involves a lot of extra work but especially for a grader it might well be worth it. The pal has 150+ videos on youtube and I spent only a couple of minutes finding an example of them tires squatting, so there´s probably some even better example:
https://www.youtube.com/watch?v=5yXIwv6qu5Q On his dumper you see it all the time if you look carefully, but particularly at, for example, 1:00 and 3:40: https://www.youtube.com/watch?v=rb2oWCIRtsg Stefan |
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Thank you for those videos. Love his machines!! Built to be run hard and he puts them to hard work. I'll be spending the next couple days watching those videos!!! I did think about making the tires air but I just didn't have the ambition to go that way. That adds another level of skill and scale!! Some day I may be there
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1:8, grader, volvo |
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