• Advertisement
Welsh Dragon Models

3D printed submarine

This section is for all of you who want to talk about RC boats, warships etc.

Postby wibblywobbly » Sat Apr 15, 2017 7:20 pm

Found this on Thingiverse and decided to have a go, it's very well designed, even its not the biggest model on the planet.

http://www.thingiverse.com/thing:887573

It's bigger than it looks in the pics, and once printed, it has all of the motor mounts and internals printed in place.
Attachments
IMG_20170415_191751.jpg
IMG_20170415_191751.jpg (73.36 KiB) Viewed 309 times
IMG_20170415_191713.jpg
IMG_20170415_191713.jpg (91.08 KiB) Viewed 309 times
IMG_20170415_191701.jpg
IMG_20170415_191701.jpg (77.84 KiB) Viewed 309 times
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby c.rainford73 » Sat Apr 15, 2017 7:25 pm

First shrunken heads now big submarines? Will the 3D printing ever stop
User avatar
c.rainford73
2nd Lieutenant
 
Posts: 2265
Joined: Thu Aug 25, 2016 7:34 pm
Location: Connecticut USA

Postby tomhugill » Sat Apr 15, 2017 7:26 pm

You have my attention rob!

tomhugill
Lieutenant
 
Posts: 3287
Joined: Thu Apr 15, 2010 11:21 am

Postby c.rainford73 » Sat Apr 15, 2017 7:26 pm

I will be following this one for sure
User avatar
c.rainford73
2nd Lieutenant
 
Posts: 2265
Joined: Thu Aug 25, 2016 7:34 pm
Location: Connecticut USA

Postby wibblywobbly » Sat Apr 15, 2017 7:30 pm

I have had both printers running all day, this is so addictive it's ridiculous! :/
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby silversurfer1947 » Sat Apr 15, 2017 7:51 pm

I hope you have a plentiful supply of filament. ;D
User avatar
silversurfer1947
Warrant Officer 1st Class
 
Posts: 1503
Joined: Tue Oct 27, 2015 10:54 pm
Location: Bristol, UK

Postby wibblywobbly » Sun Apr 16, 2017 8:09 pm

99% of the hull done. Like an idiot I didn't look at the instructions. There are three versions in there.

1. Standard RC surface sub.
2. Static model with opening missile tubes, detailed conning tower etc.
3. Fully RC with diving planes, syringes for ballast tanks etc.

I am going for the simple version and just sail on the surface. Maybe do the planes so that I can go to conning tower depth.

The heating element on one printer gave up the ghost this morning (its a consumable on 3D printers), so I am down to one printer until the end of next week. I am thinking of using a Heng Long Motor in it, but have no idea what to power it with really, I'll print the motor mount and see what size it is. No idea which esc to use that doesn't cost a fortune either :| .
Attachments
IMG_20170416_195901.jpg
IMG_20170416_195901.jpg (80.14 KiB) Viewed 266 times
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby silversurfer1947 » Sun Apr 16, 2017 8:28 pm

How big is it? It looks about 18" long. The all singing and dancing version sounds very intereting.
User avatar
silversurfer1947
Warrant Officer 1st Class
 
Posts: 1503
Joined: Tue Oct 27, 2015 10:54 pm
Location: Bristol, UK

Postby wibblywobbly » Sun Apr 16, 2017 9:01 pm

It's about 450mm, so not so small that it will get swamped in a pond. Should be very easy to carry about without damaging it, as long as the sections glue together ok, it will be very tough as it has a thick shell.
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby silversurfer1947 » Sun Apr 16, 2017 9:19 pm

450mm? To ancient white haired pre-metrification people like me, that's 18" ;D
User avatar
silversurfer1947
Warrant Officer 1st Class
 
Posts: 1503
Joined: Tue Oct 27, 2015 10:54 pm
Location: Bristol, UK

Postby c.rainford73 » Sun Apr 16, 2017 9:24 pm

Very nice work Mr Wibbly the full r/c version sounds very interesting You may need an industrial scale 3D printer with all of your design work
User avatar
c.rainford73
2nd Lieutenant
 
Posts: 2265
Joined: Thu Aug 25, 2016 7:34 pm
Location: Connecticut USA

Postby tomhugill » Mon Apr 17, 2017 12:35 pm

Ooh looks like an oscar II (same class as the kursk) hopefully yours is more successful!

tomhugill
Lieutenant
 
Posts: 3287
Joined: Thu Apr 15, 2010 11:21 am

Postby wibblywobbly » Mon Apr 17, 2017 12:59 pm

It's this one, if that helps, though this is an early version of his design.

I'm having a problem printing the motor>gears driveshaft, I'll try it on the other printer when I get the chance.

phpBB [video]
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby wibblywobbly » Tue Apr 18, 2017 9:52 am

Printed most of the parts, but have come across a design hiccup with the propulsion for RC. I can resolve it by designing a workaround. Dive planes and rudder are all temporarily in place.
Attachments
IMG_20170418_094645.jpg
IMG_20170418_094645.jpg (57.58 KiB) Viewed 219 times
IMG_20170418_094632.jpg
IMG_20170418_094632.jpg (77.06 KiB) Viewed 219 times
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby silversurfer1947 » Tue Apr 18, 2017 10:07 am

Coming together nicely. I did notice that that not once in the video was the submarine under power. One thought - should the propellors counter rotate? It would prevent any torque steering.
User avatar
silversurfer1947
Warrant Officer 1st Class
 
Posts: 1503
Joined: Tue Oct 27, 2015 10:54 pm
Location: Bristol, UK

Postby wibblywobbly » Tue Apr 18, 2017 10:12 am

If you take a close look at the video you can see that he is doing a ballast test, the sections of the hull are taped together so that he can take them apart. I just need some 3mm rods to make new shafts. You are correct about the counter rotation, one way around it is to print one propeller as a mirror image, so that it works in the opposite direction. There isn't a lot of space in there for dual motors or gearboxes. :/
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby RobW » Tue Apr 18, 2017 11:05 am

Might be a silly question, but won't having both shafts turning in the same direction with a mirrored prop try and spin the vessel about the props? I can see a mirrored prop and counter rotating motors working.

RobW
Sergeant
 
Posts: 637
Joined: Mon Sep 29, 2014 2:55 pm
Location: Sheffield

Postby Bogeyman » Tue Apr 18, 2017 11:26 am

Love it Rob, have always admired the mystery of RC subs, have often contemplated getting one.

Looking forward to seeing this in the flesh

John
User avatar
Bogeyman
Corporal
 
Posts: 484
Joined: Sat Feb 20, 2010 4:31 pm
Location: Bristol UK

Postby wibblywobbly » Tue Apr 18, 2017 11:34 am

RobW wrote:Might be a silly question, but won't having both shafts turning in the same direction with a mirrored prop try and spin the vessel about the props? I can see a mirrored prop and counter rotating motors working.


I wouldn't doubt that for a second, it was just a wild thought. I may have to look at two small motors as a solution?
User avatar
wibblywobbly
Captain
 
Posts: 4651
Joined: Fri Oct 17, 2008 9:30 am
Location: Bristol

Postby silversurfer1947 » Tue Apr 18, 2017 11:38 am

If you use a single motor with a toothed gear fixed to it and use this to drive two shafts fitted with the same gear you will have counter rotating props. If one prop is the mirror of the other, then both props will provide forward motion.
User avatar
silversurfer1947
Warrant Officer 1st Class
 
Posts: 1503
Joined: Tue Oct 27, 2015 10:54 pm
Location: Bristol, UK

Next

Return to RC Boats

Who is online

Users browsing this forum: No registered users and 1 guest