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Search took 0.01 seconds. Search: Posts Made By: Markus K.
Forum: Construction Equipment 03-24-2016, 01:59 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

by the way, why do you need open center valves? You might run into problems, when using two different motions at once.
And you simply can "simulate" an open center valve by using an additional...
Forum: Construction Equipment 03-23-2016, 07:20 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hi folks,

yes, I´m using Meinhardt Valves (the big Mega Blocks - i´ve to handle about 2 liters per minute). He don´t support an online shop and he makes not as many as he could sell. Because he...
Forum: Construction Equipment 03-19-2016, 10:30 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hello Stefan,

thank you for your comment.

Those parts are "swissmade" www.waterjet.ch/de (http://www.waterjet.ch/de/porträt). They were just fabricated within a bigger order from another...
Forum: Construction Equipment 03-18-2016, 04:29 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hello Filippo, i bought the Valve´s in a small shop in Germany. Unfortunately he don´t support an online shop.
Did you already check the Premacon Shop...
Forum: Construction Equipment 12-29-2015, 02:41 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Next I had to improve the pipe holder for the bucket cylinder. I desoldered the brass holder and used a piece of steel. Screws also in M1.6, using a 1.3mm Drill (~ 50 thou) in the brass pieces.
...
Forum: Construction Equipment 12-28-2015, 12:17 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Next was some work on the motor housing. Drawings were made for lasercutting and bending. For welding I used a big chunk of aluminum to draw out the heat. After welding I did some filing work. The...
Forum: Construction Equipment 12-28-2015, 12:08 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hi Folks,

long time passed by and for some reasons i couldn't work real much on the project. Hopefully this will change in the next weeks. Anyway, a little work was done. First I made some...
Forum: Construction Equipment 05-13-2014, 02:21 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hi Kevin,

I wouldn't do this. Better you make a drain to the suction side of the pump to get rid of leak oil. Markus.
Forum: Construction Equipment 05-12-2014, 12:25 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Kevin, I'll use 4s LiFePo, that's about 13V.

The pump (http://www.jung-fluid.de/standard-right-handed-ipz-1-hr.html) itself can take revs up to 8000 (shortly) and 4000revs for a 100% running time...
Forum: Construction Equipment 05-11-2014, 04:50 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

There's no gear reduction in the pump. The Motor has 353KV when taking 10 amps; the revs lowers for each more amp about 4KV.
The hydraulic power output (35 Bar at 2 L/min) is 117W. For the pump I...
Forum: Construction Equipment 05-10-2014, 07:02 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

here some more; the pump is direct driven and if my math are correct it will deliver round about 2 Liters/min under full load whitch will be set at 35 Bar/ ~500 PSI
Forum: Construction Equipment 05-10-2014, 06:54 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Thanks guys!

here my solution for the hydraulics inside the upper structure. I'll use a 3 section main valve, whitch handles the boom, stick and bucket. Exactly it is a double section valve...
Forum: Construction Equipment 05-09-2014, 04:41 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hi Folks,

it´s hard for me to find some time for working in the excavator-shop, but I did some construction work for the tubings and hoses to find out, what I've to order. All of them are needed...
Forum: Construction Equipment 04-05-2014, 07:28 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

no, it isn't. The side you see in pic #4 is 80cm. The tracked beam is about ~650mm in length. The table in this picture got a tabletop length of 125cm.
Forum: Construction Equipment 04-05-2014, 04:15 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Joe, this last bolt received a small drill mark with a center drill on the lathe. Just find this one and remove the pad.

first i cut off all cubes (4.5 by 4.5mm) with a parting tool; then I used...
Forum: Construction Equipment 04-05-2014, 01:22 PM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Ed, the bucket is 'just' about 16 pounds, 33.5 pounds includes the stick, cylinder and quickcoupler together. Remember pic no 1 in posting #66. Markus
Forum: Construction Equipment 04-05-2014, 11:32 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

the small tubes were pressed into the side-parts, receiving the roller-tubes first. Then connected with the bolt through the small tubes, the bolts were loctited into the left side parts. The last...
Forum: Construction Equipment 04-05-2014, 11:24 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Hi there,

long time nothing new and sorry Joe for don't answering your question earlier. About the weight of this assembly, I didn't use a scale but CAD says round about 15.2Kg :eek:

I wanna...
Forum: Construction Companies & Worksites 03-08-2014, 04:24 AM
Replies: 1,875
Views: 971,223
Posted By Markus K.
Re: Hauling Dirt out of my basement (present day)

Have fun at ConExpo! Would be nice to be there by myself...
Forum: Construction Equipment 03-06-2014, 03:06 PM
Replies: 95
Views: 54,020
Posted By Markus K.
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 :eek:, I put the stick on the bucket. The phone right next to it is a usual size.

No, Michael...
Forum: Construction Equipment 03-06-2014, 12:40 PM
Replies: 33
Views: 15,575
Posted By Markus K.
Re: Volvo SD200 Compactor

Wow! Really well done! I would like to have one in 1/10 scale! Markus
Forum: Construction Equipment 03-05-2014, 07:57 AM
Replies: 335
Views: 182,162
Posted By Markus K.
Re: D11 New Project

1. There are no "export" named soft drinks ;)
2. You're an australian :D

Anyway, that's gonna be an awesome model! Congrats! Markus
Forum: Construction Equipment 03-05-2014, 06:25 AM
Replies: 95
Views: 54,020
Posted By Markus K.
Re: 1/10 Liebherr Excavator R 984 Litronic

Here the last ones, just a simply size comparation.
Have fun while watching!
Forum: Construction Equipment 03-05-2014, 06:24 AM
Replies: 95
Views: 54,020
Posted By Markus K.
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.
Forum: Construction Equipment 03-05-2014, 06:17 AM
Replies: 95
Views: 54,020
Posted By Markus K.
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...
Showing results 1 to 25 of 61
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