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Author Topic: Damen Stan Tug 1907 1:72 (3D printed)  (Read 7020 times)

Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #25 on: January 23, 2018, 03:11:38 PM »

Weight:

Tug all inc.      360 g
Bat + radio     113 g

Tug                247 g
Pico                 16 g
Motors 2x18     36 g
Rudder servo      3 g

Actual            192 g

As seen on the picture the tug floats approx 5 mm above the expected waterline.
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norry

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #26 on: January 23, 2018, 04:22:17 PM »

...Hi Guys...
I built my Tug in 1:32 Scale for Tug Towing Competitions based on the Damen Stan Tug 1907 using one of MMB,s ASD Tug Hulls. The hull needs a wee bit of tinkering but not much...Here are a couple of pictures of my model called FREEDOM...I hope you like them...


You can buy a hull from Mark,s Model Bits on E-Bay for £45 plus £15 post  & Packing...


...Best Regards...Norry Mason...
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...Get Your Tugs Out For The Buoys...

Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #27 on: January 23, 2018, 09:26:16 PM »

Nice looking tug clearly inspired by the Damen design. Thx. for showing U.S.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #28 on: January 26, 2018, 04:42:13 PM »

Paint scheme inspired by
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #29 on: January 26, 2018, 05:16:16 PM »

Still working on the roof details.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #30 on: January 26, 2018, 05:19:23 PM »

Wonder what the 'main mast' with the two 'balls' on the side is doing. Is it a compass?
It appears to be a prominent feature of the 1907 design.


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JimG

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #31 on: January 26, 2018, 08:28:56 PM »

This is not a mast but a Binnacle. At the top under the dome is a magnetic compass for navigation. The balls are used to counteract the magnetic field of the steel hull and allow the compass to read correctly.
Jim
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mikromodell

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #32 on: January 27, 2018, 07:25:44 AM »

A colleague of me wanted to have a 3D printer as I told about the files. I hope, on Monday I will get the parts  :-))
Regards
Harry
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Airfix Severn Class Lifeboat R/C converted - YT movie of the maiden journey in Miniatur Wunderland Hamburg: https://youtu.be/Dcjz5HToQ7M

Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #33 on: January 27, 2018, 03:17:55 PM »

Looks great. Is it rescaled to 1:87? What material is it printed in?
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mikromodell

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #34 on: January 27, 2018, 07:53:12 PM »

I hope, my colleague did it scale 1:87.... It's made from PLA, quite difficult to handle I read. On Monday I will get the parts.
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Airfix Severn Class Lifeboat R/C converted - YT movie of the maiden journey in Miniatur Wunderland Hamburg: https://youtu.be/Dcjz5HToQ7M

Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #35 on: January 27, 2018, 10:56:39 PM »




Good luck.


I also heard that it should be difficult to handle.
But using cyano acrylat as glue:






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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #36 on: January 27, 2018, 10:57:30 PM »

and a car filler primer it seems to work ok.


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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #37 on: January 27, 2018, 11:01:02 PM »


Captain Airfix


Captain Airfix (from an old 1:72 kit) inspecting the 'top deck'.
The binnacle has an impressive size, but a lot of sanding and painting appears to be pending.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #38 on: January 27, 2018, 11:04:03 PM »

Here the Captain is inspecting another Damen product.


[/img]http://www.skalamodelskibe.dk/forum/attachments/agter.jpg[/img]






http://www.skalamodelskibe.dk/forum/viewthread.php?thread_id=162&rowstart=60


Cheers Søren
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RST

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #39 on: January 28, 2018, 12:11:41 AM »

Are you doing what I read is apparently "normal" prep for 3D printed parts?  A wash with something like acetone or IPA is supposed to help smooth the surface and remove the printer contours before sanding, priming and then sanding / cutting back before painting.

...just regurgitating the info from other sources -Ive watched lots of guys do 3-d printing but never tried it myself.

Nice little model anyway.
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JimG

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #40 on: January 28, 2018, 04:59:59 PM »

Smoothing with hot acetone vapour only works with ABS not PLA. PLA does not dissolve with solvent based glues so needs something like superglue to join. I have found 2 part acrylic adhesive will stick to PLA so is an alternative.
Jim
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #41 on: January 28, 2018, 08:30:17 PM »

I agree that acetone will not work with PLA. I washed the parts with standard dishwasher solution and applied 3 rounds of car primer filler with sanding in between.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #42 on: February 02, 2018, 07:37:22 PM »

How is it going with the ‘Wunderland’ version?
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #43 on: February 03, 2018, 05:05:44 PM »

Ice breaking




https://youtu.be/auBvZO6US3Q


4 mm ice, 300 gram tug.

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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #44 on: February 05, 2018, 04:41:22 PM »


Still working on the roof details.
Eventhough the Damen web site is a great source, when making the 1907 tug,
it could be nice with some drawings.

By accident i found this Russian page about tug 1907.

https://paper-models.ru/journals/item/bumazhnoe-modelirovanie-198-buksir-kantovshhik-general-raevskij



The page has a download link to a zip file, containing a full cardboard model of the Stan tug 1907.

It appears to be of good quality with instructions sheets and drawings,
usefull for details regarding fitting out your model.
You can of course also build the model using cardbooard or plywood and make a cheep working model without 3D print.
Here is an extract from the zip file.
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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #45 on: February 18, 2018, 10:34:24 AM »


The missing table.

The print includes a table for the wheelhouse.
Somehow it got lost but luckily i managed to recover it before the vacuum cleaner.

Looks as if the painter has some small repair jobs, but the color on the floor seems pretty close to the Damen choise.

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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #46 on: March 27, 2018, 09:31:11 PM »


Searching for a new motor


The very limited test sailing performed sofar, has proved that the current Polulu motors works fine.
The Polulus are strong enough but as always with small modelboats they seem to fast.


I'am looking for high torque and low RPM.
The Polulus has enough torque for the given propellers,
but due to possible debris in the water you would always want more torque and if possible lower RPM.


The model is designed for 130 size motors but the length of the motors are not limited so 180 size motors will also fit.
I've ordered 3 different motors, sourced on the internet.


The motors has been 'tested' metering the 'empty load' current and the stall current.
The motos were attempted stalled with my fingers.


The test was performed using 4 new alkaline 1.5v cells.
The voltage at the motor pins was 5.5v and the short circuit current was 1500 mA.


After the test I've opted for the no name motor KK A6





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Moller62

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #47 on: March 27, 2018, 09:33:04 PM »

The motors
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Brian60

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Re: Damen Stan Tug 1907 1:72 (3D printed)
« Reply #49 on: March 28, 2018, 07:50:09 AM »

Looking at the motor specs (shown above) how are you going to slow those motors down? 17000rpm :o the tug will be planing like an offshore power boat racer!
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