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Krupp 180GMT scale 1/20 Options · View
kerst
Posted: Friday, June 01, 2012 7:40:39 PM

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Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
I built this crane years ago and it took me a long time to finish and in a sense it was never finished. I painted it red, but I was never happy with the result and over the years I made lots of small repairs and alterations.
During the last day of the Cabin Fever Expo something broke and in order to repair it I needed to take the whole thing apart and then I decided to just do it and repaint it.
It took me about 6 weeks of cleaning, sanding and re-finishing and here is the result. i also added dome more details.
Before:


And after:



Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
RowanH
Posted: Friday, June 01, 2012 11:07:30 PM

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Joined: 6/30/2003
Posts: 4,918
Location: Melbourne, Australia
Outstanding Kerst! What scale is it built in? How long was the build process for this piece?

Rowan.

1:25th scale CAT 375L excavator

kerst
Posted: Friday, June 01, 2012 11:42:48 PM

Rank: Advanced Member
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Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
Thanks! The scale is 1/20 and it took me (too) many years to build including many long interruptions. And the crane is fully functional.

Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
J.Galvez
Posted: Saturday, June 02, 2012 12:26:54 AM

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Joined: 11/9/2009
Posts: 760
Location: Mexico...cabrones!
Nice piece of machinery!!! I want one!!

Congrats.

Jose.

The proudly Mexican cookie monster!

It's a diecast thing.You couldn't understand!
LatticeCraneMan
Posted: Saturday, June 02, 2012 1:21:57 AM

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Joined: 8/8/2002
Posts: 5,515
Location: New Jersey
Sharp looking, a big improvement and full operational... well that just iceing on the cake !

Chet

I live in my own little world it's ok they know me here
rollinlowford
Posted: Saturday, June 02, 2012 1:38:04 AM

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Posts: 675
Location: Southern Ontario Canada
nice work
Chip Carlin
Posted: Saturday, June 02, 2012 4:08:10 AM
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Joined: 10/31/2006
Posts: 478
Location: Alexandria, Virginia
Kerst.....

That is fantastic !

Chip
Paul R
Posted: Saturday, June 02, 2012 5:15:39 AM

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Joined: 1/11/2007
Posts: 9,004
Location: Lincolnshire
Looks incredible and a testament to your hard work.

Paul R
eef7260
Posted: Saturday, June 02, 2012 5:32:14 AM

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Joined: 1/14/2006
Posts: 667
Location: The Netherlands
Very nice paint job and upgrade , yellow looks much better.

Eef


***Flickr American cranes group***3D printed crane parts at Shapeways***3D printed crane parts at I.materialise

Sam-wch
Posted: Saturday, June 02, 2012 9:32:36 AM
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Joined: 5/23/2011
Posts: 403
Location: Waterford, Ireland
Very nice Applause Applause Looks much better in the Krupp yellow Teeth
RI CRANEMAN
Posted: Saturday, June 02, 2012 10:32:29 AM

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Joined: 2/16/2009
Posts: 903
Location: Peace Dale, R.I.
Kerst, I never get tired of looking at your models. Nice restoration!! Have you had your Ringer out of mothballs lately?

__________________________________________________________________
Tom
It's pretty sad when the only modeling tool you own is a box cutter.

If the only tool you have is a hammer, you start to see every problem as a nail. Abraham Maslow
bigcranes
Posted: Saturday, June 02, 2012 6:20:55 PM

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Joined: 1/22/2008
Posts: 2,027
Location: Maryland
Very nicely done! I like the new paint job too.

Mark

Mark L.

It's what you learn after you know it all that counts
Fabio
Posted: Sunday, June 03, 2012 5:33:35 PM

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Joined: 6/9/2010
Posts: 779
Location: Alessandria, Italy
Outstanding Applause Applause Applause
Myggen
Posted: Wednesday, June 06, 2012 9:35:08 AM
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Joined: 6/21/2010
Posts: 308
Location: Odense, Denmark
wow awesome work, why not make a video on how it works, would love to see that!!
kerst
Posted: Wednesday, June 06, 2012 10:36:16 AM

Rank: Advanced Member
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Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
Thanks for the kind words!
Here are some pictures:














Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
rollinlowford
Posted: Wednesday, June 06, 2012 11:31:27 AM

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Joined: 9/6/2006
Posts: 675
Location: Southern Ontario Canada
thats one sweet set up
kerst
Posted: Thursday, September 02, 2021 8:52:09 AM

Rank: Advanced Member
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Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
After 4 years I decided to upgrade the RC controls. I learned a lot while building the Euclid and i am confident to make all carrier functions RC controllable. The Krupp has a powershift gearbox with 3 speeds and an auxiliary box with 2 speeds. The transfer box has a differential which can be blocked. That takes 5 channels. It will be fun to be able to control all these functions remotely.

So far:





Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
kerst
Posted: Sunday, November 07, 2021 10:09:29 PM

Rank: Advanced Member
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Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
The rebuilding is complete!
After I rearranged the carrier and made all functions (except for the outriggers) RC controllable, I started work on the upper.
I was never happy with the upper and I decided to take all the motors out and replace them with new ones. I also changed the telescoping mechanism and installed the motor and spindle in the boom. That is a great improvement. The hoist also uses a spindle, but a better one than the old one. The counterweight has a motor inside and this way it can attach itself to the upper. All together there are 6 functions. Since I have only 4 feeds I had to add 2 switches on the upper.
With all these changes I gained a lot of space and there was ample space for a battery for the carrier. It connects with a plugin cable.
With all this rebuilding I tried not change the parts that worked well. I am pretty happy with the result, although some painting is needed,

The motor compartment of the truck:


The new swing motor and the 2 motors for the winches.


The boom hoist


Here a comparison of the old and the new.


The other side. Lots of electric connectors. The battery is connected via this little storage box next to the hoist cylinder.


Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
JohnGalt
Posted: Monday, November 08, 2021 1:28:00 PM

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Joined: 6/27/2007
Posts: 1,489
Location: St. Louis, Missouri, USA
Thanks for sharing the upgrades. Your all-around skills are unbelievable, and I hope you are teaching them to someone. Your confidence to take on, and follow through to completion, these projects is admirable.

Now, for your crane operation safety: Boom up, outriggers in will end up in another "refurbishment" project for this model. Shame on you
kerst
Posted: Monday, November 08, 2021 4:25:05 PM

Rank: Advanced Member
Groups: Member

Joined: 9/7/2005
Posts: 1,150
Location: Copake, NY
For the outriggers I have a solution. I can use the outlet for the counterweight for a small geared motor to activate the outriggers.



This is the console for the driving functions. The left lever is for the powershift main gearbox, the right one for the acceleration and steering and the top right toggles control the transfer box low-neutral-high and the diff lock in the transfer box.



Here some more pictures:









Kerst


http://forums.dhsdiecast.com/default.aspx?g=posts&m=1096251
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