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Latest topics

» today's work
1:120 Spanish S-80 submarine EmptyToday at 4:10 am by merriman

» Zero Bubble design NEW KIT
1:120 Spanish S-80 submarine EmptyFri Dec 13, 2019 10:47 am by Davidh

» Pinger 2 - Ultrasonic
1:120 Spanish S-80 submarine EmptyTue Dec 03, 2019 2:32 pm by david f

» gear-splitter
1:120 Spanish S-80 submarine EmptySun Dec 01, 2019 8:16 am by merriman

» The SubDriver becomes Modular
1:120 Spanish S-80 submarine EmptyTue Nov 26, 2019 3:12 pm by merriman

» upgrading the SSY 1/96 ALFA kit
1:120 Spanish S-80 submarine EmptyWed Nov 20, 2019 3:05 am by merriman

» Beck's model marine
1:120 Spanish S-80 submarine EmptyWed Nov 13, 2019 6:27 pm by Beck’s model marine

» Beck’s model marine
1:120 Spanish S-80 submarine EmptyWed Nov 13, 2019 9:16 am by Beck’s model marine

» Industrial display of COLLINS control-room
1:120 Spanish S-80 submarine EmptyMon Nov 11, 2019 2:04 pm by merriman

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    1:120 Spanish S-80 submarine

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    JuanGg

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    1:120 Spanish S-80 submarine Empty 1:120 Spanish S-80 submarine

    Post  JuanGg on Sat Aug 24, 2019 12:09 pm

    Following my previous 3d printed submarine (here), this is the new model, now capable of static diving.

    The S-80 class submarines, still under construction for the Spanish navy, have been elongated due to technical problems. This model, at 1:120 scale, is of the original project.
    The hull was modelled in Fusion 360 using photographs found online and some rather vague lateral and top views found on related publications.
    1:120 Spanish S-80 submarine Capture3
    1:120 Spanish S-80 submarine Capture4
    Then, it was 3d printed in grey ABS and acetone-welded together.
    1:120 Spanish S-80 submarine IMG_20190623_163155_705
    1:120 Spanish S-80 submarine IMG_20190623_212300_224
    The WTC, housing all the control electronics, servos, pumps, and propulsion motor is made out off a convenient water bottle I found at a local shop. All movements are magnetically coupled to the exterior, and two tubes go out through the end cap, one housing the antenna and another to a external balloon, the bladder of the RCABS.
    1:120 Spanish S-80 submarine IMG_20190615_132634_225
    1:120 Spanish S-80 submarine IMG_20190629_185805_409r
    The pumps and solenoid needed for mentioned system are controlled by the circuit below: By means of some op amps and passive components, the pulse width of the PPM signal from the received is turned into a voltage, which then goes to some comparators that in turn control the pumps and solenoid via a couple transistors. It could have been done with a microcontroller, but perhaps this can be simpler.
    1:120 Spanish S-80 submarine Capture

    Here is a summary video of the build:



    All files for the 3d printed parts and a couple drawings are available here .
    david f
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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  david f on Tue Aug 27, 2019 10:50 am

    Hi Juan,

    A very interesting project you have presented - with some pointers for the future of the hobby?

    How long did the build take and any idea of the the total cost?

    (You may have achieved a compromise between the "spend several years building it" or "spend hundreds of £ buying it" options. Twin problems for our hobby.)

    Many thanks for posting and I also think that the circuit using a single op-amp is very neat!

    David
    salmon
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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  salmon on Tue Aug 27, 2019 2:02 pm

    Excellent build and information, thank you for posting!


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    JuanGg

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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  JuanGg on Wed Aug 28, 2019 12:06 pm


    It took me about a month (on holidays) to design and build the model, except the hull shape, which I've had for almost a year waiting to be turned into something. Meanwhile, I've been working on my wooden U-Boot for 4 years, and it still needs some work. It's quite a contrast.

    On monetary matters, everything came from previous projects and such, but say 20€ for the 3d printed hull, another 20 for the radio receiver, servos, and ESC, and 20 more for pumps, dc motor, magnets, pushrods etc. That makes for 60 € or around 50 £.

    There are some design decisions I'm not very proud off, and it needs a more robust bladder. We'll see.

    Thanks for the kind words.
    Radioman
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    1:120 Spanish S-80 submarine Empty Making one

    Post  Radioman on Mon Sep 23, 2019 3:12 pm

    I am in the process of printing the parts, using PLA. So far going good.Will post some pictures.
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    JuanGg

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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  JuanGg on Mon Sep 23, 2019 6:08 pm

    Radioman wrote:I am in the process of printing the parts, using PLA. So far going good.Will post some pictures.
    Nice! Looking forward to it.
    Juan
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    1:120 Spanish S-80 submarine Empty Some pics

    Post  Radioman on Fri Sep 27, 2019 5:46 pm

    Still some parts to make but coming along.1:120 Spanish S-80 submarine Img_2010
    1:120 Spanish S-80 submarine Img_2013
    salmon
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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  salmon on Sun Sep 29, 2019 4:22 am

    Are you sharing the 3D files?
    Peace,
    Tom


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    1:120 Spanish S-80 submarine Empty 3D Files

    Post  Radioman on Sun Sep 29, 2019 3:36 pm

    You can find the files on thingivirse. Look for rd submaires. I believe it can also be found on Github.
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    JuanGg

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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  JuanGg on Sun Sep 29, 2019 9:14 pm

    Radioman wrote:Still some parts to make but coming along.
    Looking great!

    Salmon wrote:
    Are you sharing the 3D files?
    Peace,
    Tom

    All files (and a couple drawings) are available here free to use: https://github.com/Juan-Gg/1-120-S-80-RC-Submarine
    Also on thingiverse, as stated: https://www.thingiverse.com/thing:3825032

    I may also make some drawings outlining the hull shape, because none are available on the internet for this model.
    Juan
    salmon
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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  salmon on Tue Oct 01, 2019 3:28 am

    Juan, thank you!


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    1:120 Spanish S-80 submarine Empty Making one

    Post  Radioman on Sat Oct 12, 2019 4:29 pm

    Was not pleased with the PLA printed parts. I have now printed one using ABS, like it. Having a problem with printing the dive planes and rudders. How did you print them, flat or upright?
    salmon
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    1:120 Spanish S-80 submarine Empty Re: 1:120 Spanish S-80 submarine

    Post  salmon on Mon Oct 14, 2019 3:31 pm

    I have printed both ways. However, printing upright has caused issues every now and then. Also consider strength. Printing upright makes snapping the plane easier. Printing flat the ridges from the layers are more prominent. So the best advice is play and see.
    Peace,
    Tom


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    1:120 Spanish S-80 submarine Empty Fiberglassing

    Post  Radioman on Mon Oct 21, 2019 6:47 pm

    Just wondering if you fiberglass the model? Had read on some forum that they glasses the hills of ABS and PLA .

      Current date/time is Sun Dec 15, 2019 5:40 am