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Author Topic: Damen Stan Tug 1907 1:72 (3D printed)  (Read 7571 times)

Moller62

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Damen Stan Tug 1907 1:72 (3D printed)
« on: January 20, 2018, 12:22:44 PM »

The winter print.

Searching for a small tug as a winter project I came accross the Damen Stan tug 1907.
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #1 on: January 20, 2018, 12:35:47 PM »

There is no actual kit of this tug in a small size but it's 'offered' as a 3D print here: https://www.youtube.com/watch?v=oz8k-SL4xmU and here: https://www.thingiverse.com/thing:2346104.

I wrote a mail to mr. Ernest aka 'byedesign'.
I got the stl file for 10 $ i think, and ordered a print at a local 3D print shop here in Copenhagen.
The result is here.

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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #2 on: January 20, 2018, 12:40:30 PM »

The hull was glued with super glue aka cyano acrylat and basic car primer filler was applied.
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #3 on: January 20, 2018, 04:39:44 PM »


The propeller shafts


The shafts are expected to be 2mm i diameter in order to fit the printed propellers.
I made my tube/bushings of brass Ø 4/3 mm and Ø 3/2 mm.
The shafts were made along the describtion in http://www.building-model-boats.com/model-boat-propeller-shaft.html .
The dimensions of the shafts are depicted below.
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #4 on: January 20, 2018, 04:41:27 PM »

And yes it is your's truly on the double bass - http://allanmeinhardt.dk/trio
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #5 on: January 20, 2018, 04:42:16 PM »




An important hint regarding the propeller shaft, is to insert the shaft in the outher tube and bushings,
while you are doing the soldering job.
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #6 on: January 20, 2018, 04:43:53 PM »

Here the shafts are mounted in the hull.
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #7 on: January 20, 2018, 04:47:20 PM »

test mounting
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #8 on: January 20, 2018, 04:48:01 PM »

Final 'montage'
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Martin [Admin]

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Re: Damen Stan Tug 1907 1:72
« Reply #9 on: January 20, 2018, 06:19:16 PM »


That's Awesome!!
 
What are the overall 3D model dimensions?
How much were the print costs?


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McGherkin

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Re: Damen Stan Tug 1907 1:72
« Reply #10 on: January 20, 2018, 06:31:24 PM »

Great work so far! I really do think 3D printing will really be a huge part of modelling eventually, even though it's really cheating.

Damen's website never fails to amuse me. Want a 20,000t bulk carrier? Not a problem, we've got 3 of those in stock, would you like to buy a few harbour tugs, a dredger, a dive boat and whilst you're at it you may as well buy a fleet of police boats too?
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Umi_Ryuzuki

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Re: Damen Stan Tug 1907 1:72
« Reply #11 on: January 20, 2018, 06:39:15 PM »

Oops, I thought you were looking for a kit....  %)

There is a kit in 1/25 scale
http://www.modellbau-sievers.de/

https://www.rcgroups.com/forums/showthread.php?2450835-Damen-Stan-Tug-1907&highlight=stan

I did the fendering for the builder.  ok2

mikromodell

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Re: Damen Stan Tug 1907 1:72
« Reply #12 on: January 20, 2018, 07:40:31 PM »


That's Awesome!!
 
What are the overall 3D model dimensions?
How much were the print costs?


I think the same and want to have it 1/87 scale :-)
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Moller62

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Re: Damen Stan Tug 1907 1:72
« Reply #13 on: January 21, 2018, 12:16:35 AM »

Thx. for the nice comments.

Dimensions:

Length of the model is approx 27.5 cm aka 27.5x72 = 19.8 m.
According to the Damen site:
https://products.damen.com/en/ranges/stan-tug/stan-tug-1907
it should be 19.54, so that seems pretty close.

Print price:

I paid 130$ for the print.
Cheep or expensive?

If the print was to be ordered at Shapeways, I think the price would be at least double up, but the print quality would most likely also be better.
You could also compare to the Graupner Pollux 2 available at approx 130£.

Sievers:

Great work with the fendering. I was not aware of the kit from Sievers.

Scale:

The stl files from Ernest (ernestbacosa@gmail.com) are in scale 1:72, but it should be straight forward to rescale it to 1:87. Maybe we will see Stan 1907 in Hamburg WunderLand someday :-) ?
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mikromodell

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Re: Damen Stan Tug 1907 1:72
« Reply #14 on: January 21, 2018, 06:30:26 AM »

. Maybe we will see Stan 1907 in Hamburg WunderLand someday :-) ?

Oops, you are able to read my thoughts... ;-)
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #15 on: January 21, 2018, 06:38:38 PM »

The rudders are intended to have 2 mm shafts and the same goes for the 'printed' bushings.
I decided, as seen on the preveies picture, to make 3 mm holes and insert ø3/2 mm bushings.

Here the rudder arrangement can be seen from inside the hull.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #16 on: January 21, 2018, 06:41:24 PM »


The print contains servo-horns but there is no means of fixing them without glue.
Instead I sourced some at the internet and made a small modification to fit my needs.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #17 on: January 21, 2018, 06:46:25 PM »


Time for painting.
I used various acrylic paints.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #18 on: January 21, 2018, 06:51:32 PM »

Here is a picture of the rudder arrangement suggested by the designer (byedesign). Pricture from thingiverse.




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mikromodell

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #19 on: January 21, 2018, 07:00:27 PM »

This will block where I draw the red circle...
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #20 on: January 21, 2018, 08:44:47 PM »


Yes you are right. That might be potential problem.
On the other hand I guess it's the tug you can see on youtube.

Anyway I had a similar issue with my rudder handling.
So i had to cut the plywood at the dotted line.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #21 on: January 21, 2018, 09:11:00 PM »


Another pic from the paint session, now including the driveline(mabuchi 2x130).
The speed controller is the smallest available for action called P68A.
http://www.action-electronics.co.uk/pdfs/P68A.pdf
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #22 on: January 21, 2018, 09:13:14 PM »

The controller gets it's power supply from the receiver, thus savings weight.

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mikromodell

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #23 on: January 22, 2018, 06:53:10 PM »

Looks fine :-)
What's the diameter of the propellers? Are they printed ones too? I'm very interested in building this tug 1:87 scale. Theoretically the allowed weight is about 280 g. Do you know the weight of your model without RC equipment?
Regards
Harry
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #24 on: January 22, 2018, 10:50:39 PM »


Regarding the drive line.

I can not remember where i ordered the moters, but I recall they were rated at 3-6(12) volt.
Most likely its similar to this one https://www.pololu.com/product/1117.

The specs are given as:

Approximate specifications at 6 V: free-run speed of 11,500 RPM, free-run current of 70 mA, and stall current of 800 mA





The two motors are connected in parallel to the Action pico controller.

There is also another 130 motor rated at 1-6 volt.
Here the specs are quite different:

Approximate specifications at 3 V: free-run speed of 17,000 RPM, free-run current of 250 mA, stall current of 3.85 A, stall torque of 0.75 oz-in.

This motor would most like cause the Pico controller to shot down, given the higher current consumption. The Pico controller has a peak load of 1000 mA.

The propellers are part of the print. They have 5 blades with an approx. diameter of 21 mm. The narrow part of the kort nozzle is approx. 23 mm.
I'll try to get hold of the weight tomorrow.
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