Forum: Construction General Discussion
12-15-2021, 03:00 AM
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Replies: 1
Views: 2,307
Re: Rc4wd 360l vs 4200 my thoughts
Congrats with the new 360L. The first version of 4200l had the 4 valve block, while later on the upgraded the block, less leakage problems, and it went to a normal 3 valve block. The newer 4200xl's...
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Forum: Soyland Industries
09-11-2020, 05:54 AM
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Replies: 0
Views: 6,574
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Forum: Construction Equipment Tech
07-14-2020, 04:40 PM
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Replies: 3
Views: 3,050
Re: 4200xl old problems
Those original servoes are known to break donwn pretty quickly in this machine, so it's a quite common task to throw them out.
The 4'th valve have 2 positions, open and closed. It is supposed to be...
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Forum: Construction Equipment Tech
05-17-2020, 02:49 PM
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Replies: 17
Views: 3,640
Re: Gasket maker (and etc)
There are pretty tight tolerances concerning hydraulic seals and the grooves they are fitted in. The seal on a piston or rod works that way that oil under pressure are to come in behind the seal,...
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Forum: Construction General Discussion
08-01-2019, 11:33 AM
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Replies: 8
Views: 6,237
Re: CSMI question
If you're not based in Australia, as csmi, it's better go directly to the German manufacturers
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Forum: Construction General Discussion
08-01-2019, 11:29 AM
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Replies: 4
Views: 3,633
Re: Working excavator thumb?
Guess csmi is 1 man company, possible have main job in addition, possible on travel now and then. Someone have asked the same question before if I recall. He will for sure come back to you when...
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Forum: Construction News
05-03-2019, 07:14 PM
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Replies: 7
Views: 10,038
Re: Grumalu USA dealer
'what kind of fly by night outfit are you running', yeah that's a good question:) My friend have one of their models, and have visited them a couple of times down in Spain, knows the guy who is in...
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Forum: Construction Equipment Tech
10-20-2018, 04:31 AM
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Replies: 8
Views: 3,259
Re: Polishing Inside of Hydraulic Cylinder
The inner of a cylinder tube is in real life not polished, for some good reason. There are some traces, crossings, from more or less course honing tools, up to like 300-400. This apply also to engine...
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Forum: Question and Suggestion Section
10-19-2018, 08:04 PM
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Replies: 1
Views: 4,107
Re: Foroe 954 OR 4200xl What's the best choice
Hi, I do maintenence on both machines and test drive them now and then. i have had them in '1000 pieces' and put them togheter again. Or '10 pieces', there are not so many;) Well, actually they are...
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Forum: General Discussion
09-15-2018, 03:55 PM
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Replies: 7
Views: 2,449
Re: CSMI.
CSMI is the largest rc counstruction equipment shop in Australia. Likely have several hundred thousands usd in annual sales, imports Premacon, Fumotec and so on. Anyway, with Paypal there are some...
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Forum: Soyland Industries
09-15-2018, 06:34 AM
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Replies: 51
Views: 58,801
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Forum: Electronics tech
08-15-2018, 12:31 PM
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Replies: 11
Views: 3,486
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Forum: Construction Equipment Tech
08-13-2018, 12:50 PM
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Replies: 8
Views: 4,230
Re: 360l Hydraulics Upgrade
I can defently see the resemblance to the ones Premacon got, and those compact ones are pretty interesting for smaller models. I mean I have seen one of them including the tank in the newest Fumotec...
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Forum: Construction Equipment Tech
08-12-2018, 03:57 AM
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Replies: 8
Views: 4,230
Re: 360l Hydraulics Upgrade
To keep initial purchase cost of the machines relative low, the chineese generally uses soft steels, brass or aluminum combined with as few gaskets as possible in their valves and pumps. The service...
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Forum: Electronics tech
06-20-2018, 06:11 PM
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Replies: 11
Views: 3,486
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Forum: Electronics tech
06-16-2018, 09:09 AM
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Replies: 11
Views: 3,486
Re: Where can I get a faulhaber 3557k012cr motor?
the Faulhabers are great motors, especially where on need much power in a compact unit. The 3557 is a pretty pricey engine, and possible quite overkill when it comes to power on a 740) Can recommend...
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Forum: Construction General Discussion
04-25-2018, 03:52 AM
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Replies: 112
Views: 32,385
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Forum: General Discussion
04-24-2018, 06:06 AM
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Replies: 3
Views: 2,170
Re: brushless geared motors
There are high end industrial brushless motors avaiable, but those motors one see in scale models are usually DIY, at a reasonable cost. One start out with a standard brushed gearmotor, mostly a...
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Forum: Construction News
04-23-2018, 03:48 AM
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Replies: 10
Views: 9,634
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Forum: Construction General Discussion
04-19-2018, 04:00 AM
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Replies: 3
Views: 5,417
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Forum: Construction Equipment
04-03-2018, 03:53 AM
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Replies: 47
Views: 17,310
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Forum: Construction News
03-30-2018, 03:14 AM
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Replies: 12
Views: 8,105
Re: ProScale Modeling Volvo A45G 6x6 dumper
Yeah, I see now the Grumalu is less detailed than the Proscale version, which seems to be at a similar detailing level as THS. Hub motors, like Fumotec, and Grumalu uses I would say is the most...
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Forum: Construction News
03-29-2018, 07:09 PM
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Replies: 12
Views: 8,105
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Forum: Construction General Discussion
03-27-2018, 07:04 PM
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Replies: 2
Views: 3,197
Re: Chinese Carson Knock Offs?
Sold on aliexpress, where the fabricator got their webshop. About 2000 usd incl freight for the excavator. Did import and sold 3 off the 'RTR' 954 over here in Europe last year. Assembled by...
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Forum: Electronics tech
03-23-2018, 03:33 AM
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Replies: 7
Views: 3,219
Re: Advice on picking a sound/light/smoke module?
There are different smoke generators on the market. Problem with many of them is that they don't make enough smoke) Search for 'rc smoke generator' at ebay. There is a guy in Austraila that makes...
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