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Author Topic: 1:35 Bucket chain excavator Ertmer KB 1  (Read 28620 times)
Bernhard
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« Reply #255 on: May 02, 2020, 02:34:51 AM »

Then the bucket is soldered to the two chain strands with the resistance soldering device.


* KB1 197.JPG (219.51 KB, 794x524 - viewed 114 times.)
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Bernhard
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« Reply #256 on: May 02, 2020, 02:35:34 AM »

Thus the chain grows bit by bit.


* KB1 198.JPG (186.17 KB, 675x441 - viewed 98 times.)

* KB1 199.JPG (208.01 KB, 675x539 - viewed 123 times.)
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Bernhard
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« Reply #257 on: May 02, 2020, 02:35:57 AM »

And now once again there is frustration and standstill on the bench. I have ordered 200 rivets, but somehow 6 are missing now to finish the chain! And the supplier of the rivets has closed the shop because of Covid19.
Let's wait and see, and get on with the sprocket.

Stay healthy and creative!

Bernhard
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Bill Gill
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« Reply #258 on: May 02, 2020, 04:56:26 AM »

Bernhard, Despite etchings that got binned, laser cinder burr removing, cleaning, aligning, soldering, assembling
most of 502 parts al you have lost is 6 rivets. I would have lost what is left of my mind! Fantastic work!
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shropshire lad
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« Reply #259 on: May 02, 2020, 07:08:51 AM »

Wunderbar !
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Bernhard
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« Reply #260 on: May 02, 2020, 08:29:11 AM »

Thanks, guys. Bill, luckily I have other projects to help me pass the waiting time.

Bernhard
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5thwheel
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« Reply #261 on: May 02, 2020, 09:11:40 AM »

Who made your rivets? and what size are they?

Bill Hudson
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Bill Hudson
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« Reply #262 on: May 02, 2020, 09:23:01 AM »

Hello Bernhard, was you needed for rivets maybe I can help out.
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Regards Helmut
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Bernhard
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« Reply #263 on: May 02, 2020, 10:50:09 AM »

Thanks for your help, guys.

The size of the rivets is 0.8 mm, and they have a special head.  So I want to use the same ones again to make sure the chain is exactly the same width over the whole length.  That's important so it doesn't jam.  I got them from the Knupfer company in German.  Replenishment is ordered, but I have no confirmation yet.  I don't know if they can and want to deliver to Switzerland.

Bernhard
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Scratchman
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« Reply #264 on: May 02, 2020, 12:19:49 PM »

Just outstanding, excellent demonstration of fine scale modeling.
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finescalerr
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« Reply #265 on: May 02, 2020, 01:54:14 PM »

Bernhard, if you tell me you are building the model just to keep your hands busy and, since you have limited space where you live, you plan to throw it out or give it away when it is complete ... I will murder you ... even though your patience and craftsmanship are satisfactory. -- Russ
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Ray Dunakin
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« Reply #266 on: May 02, 2020, 05:57:26 PM »

What mind-boggling work! Fantastic!

When this wonderful is complete and time comes when you need to make room for something else, I'm sure there must be a museum somewhere that would love to have it.
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Bernhard
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« Reply #267 on: May 03, 2020, 12:49:55 AM »

Russ and Ray, don't worry, I plan to build a second module for the bucket chain excavator to present it on. However, I actually have quite little space in my workshop, because my 4 x 2 m H0 layout is still standing there and slowly getting dusty. I will probably have to part with it soon.

Bernhard
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Peter_T1958
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« Reply #268 on: May 03, 2020, 06:58:20 AM »

Hmmm, why do I always have the impression this must be a watchmaker at work??? Roll Eyes
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Bernhard
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« Reply #269 on: May 03, 2020, 10:07:46 AM »

Peter, you're not entirely wrong. In fact, for many years I sold machines for making watch parts.

Bernhard
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