Contact   Imprint   Advertising   Guidelines

3D Printed Wings - please post your experiences here

Forum for hydrofoil builders.


faklord
Frequent Poster
Posts: 265
Joined: Sun Jan 09, 2011 6:03 pm
Kiting since: 0
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby faklord » Thu Sep 13, 2018 7:42 pm

direnc wrote:
Thu Sep 13, 2018 7:32 pm
Adventure Logs wrote:
Thu Sep 13, 2018 3:48 am
Which printer do you have? I've been toying with the idea of printed wings, so following with great interest!
I have an Anet A8, a very cheap one that I would not really recommend these days (fire hazard!). Now there are better options in the same price range. Like this:
https://www.banggood.com/Creality-3D-En ... rehouse=CN
And this one with larger build volume and a higher price tag:
https://www.banggood.com/DIY-Creality-C ... rehouse=CN
For info, I have recently purchased the Ender 3 and have been very impressed with the both the quality of the build of the printer and also of the of print results.

direnc
Medium Poster
Posts: 113
Joined: Sun Jul 22, 2012 11:50 pm
Kiting since: 2009
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby direnc » Sat Oct 06, 2018 8:41 pm

As I mentioned before, I designed a front wing meant to be strong enough to fly without any lamination, straight out of the printer. The wing has two embedded 42cm 8x8mm square stainless steel rods.
Wing specs:
Span: 52cm.
Chord 26cm.
Profile H105.
Surface area 1000cm2.
Weight 1400grams (900grams of PLA + steel rods... Wonder if it could be built lighter)
Mounting hardware: M8

I gave it to my friend to test, and he reports it's a very nice wing, and did not fail during his ride. I will fly it myself next time I go foiling.
Below are some pictures. I can upload the cad files to Thingiverse if there's any interest.
Attachments
top.jpeg
side.jpeg
printer.JPG
parts.JPG
bottom.jpeg

TomW
Very Frequent Poster
Posts: 2656
Joined: Wed Oct 05, 2005 6:43 pm
Kiting since: 2001
Local Beach: Vejbystrand, Habo Ljung, Lomma
Gear: TW Surfboards 5-0
TW Surfboards hydrofoil board 120 and 135
Moses Fluente 550/590 + 330/325 and 633 set
North Mono 7, 9, 12
Ozone Reo 5
Ozone Hyperlink 9mUL, 7m
Flysurfer Sonic 2 13m
Brand Affiliation: None
Location: Sweden

Re: 3D Printed Wings - please post your experiences here

Postby TomW » Sat Oct 06, 2018 10:33 pm

Really cool. Why not use carbon tubes/ bars instead of ss?
And one layer of glass would be really easy.

Trouble with inner spar is the wing has to be flat.

TheJoe
Very Frequent Poster
Posts: 1348
Joined: Fri Oct 30, 2009 9:13 pm
Kiting since: 2009
Local Beach: Texas city levee, Galveston, El Jardine and Crystal beach.
Style: Wake, surf, freeride
Gear: Slingshot RPM 14/12/10 Fuels 13/9/7
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby TheJoe » Sat Oct 06, 2018 11:53 pm

I started building a 3d printed foil. I have the mast pieces printed but suffered a pectoral tear and have been laid up unable to start the carbon layup.

I would recommend some fiberglass or carbon. Since you did a vertical print I bet your wing tips break off. If you wanted to loose weight carbon rods or straight carbon layup with a 10-20% infill. I have a few weeks and I will be able to start working on my build again.

It does look good so good job.

faklord
Frequent Poster
Posts: 265
Joined: Sun Jan 09, 2011 6:03 pm
Kiting since: 0
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby faklord » Sun Oct 07, 2018 1:42 pm

direnc - Great stuff!! I have to hand it to you for your pioneering work

I'd be interested to look at the design if you want to drop it onto Thingiverse. Preferably, if possible, including pre-meshed design files ?

It must have taken quite a while to print this!

Did you build washout into the tips on this one?
As with any designs (whether they be a success or fail), any info on:- infill, skin thickness etc would be useful.

As others have suggested, a carbon (or glass) skin could replace the SS rods, making the wing both stronger, lighter and giving more options for shape... But I suspect your aim was to see if a wing could be made to work straight off the printer?

direnc
Medium Poster
Posts: 113
Joined: Sun Jul 22, 2012 11:50 pm
Kiting since: 2009
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby direnc » Sun Oct 07, 2018 9:31 pm

I have already built a 3D printed and then laminated wing before. This time I was just curious to see if it would be possible to build one that will be strong enough without lamination.

The wing has -3 degrees of washout toward the tips. BTW I tried it today, and it flies very well.

I uploaded the Fusion 360 file, stl files and print settings to Thingiverse https://www.thingiverse.com/thing:3142480.

It took about 40 hours to print.

There's a slight problem, though. I weighed the wing again, and it's 1600 grams now. It's taking in water. Maybe i should have printed it at higher temperature, or annealed it in the oven. Maybe it developed some micro cracks for water to enter, I do not know.... So it should be painted/sealed before using...

faklord
Frequent Poster
Posts: 265
Joined: Sun Jan 09, 2011 6:03 pm
Kiting since: 0
Brand Affiliation: None

Re: 3D Printed Wings - please post your experiences here

Postby faklord » Mon Oct 08, 2018 11:49 am

Water ingress!
This is a real shame and might be a general problem with printed parts in a water environment.
I suppose any design that is not solid has the potential to soak up water.
Apart from the weight issue there is also the possibility of water leaking back out during storage/transport.

Given that knocks and scrapes are inevitable I’m not sure painting/sealing is going to fix the issue. Possibly coating a heated part and then allowing to cool as a sealant sets might help draw the sealant into any the problem areas?
A structure that has multiple solid walls might limit the ingress to local areas rather than whole piece.
It might be interesting to see how your wing balances around the center line to see if it is just one section that has soaked up the water?


Return to “Hydrofoil Builders”

Who is online

Users browsing this forum: No registered users and 1 guest

cron