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CAD powerbox fin template?
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edoremus337



Joined: 27 Aug 2011
Posts: 130

PostPosted: Thu May 01, 2014 1:28 pm    Post subject: Reply with quote

mchaco,
what is the link? I can draw it up and get you an STL if you would like..
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edoremus337



Joined: 27 Aug 2011
Posts: 130

PostPosted: Thu May 01, 2014 2:38 pm    Post subject: Reply with quote

well, based off of the geocities image on google, here is what I have:

https://www.dropbox.com/s/ptzi3xhnkmn3rq8/powerbox.STL

There were a few missing dimensions so I did the best I could..Youll have to drill out the center hole for the brass nut and screw unless you can give me dimensions for those.

Also, on the drawing it shows that there is a cut corner on the bottom of the base. I am not sure if that is true or not so if you want me to modify it at all, let me know.

What are you printing this on? If you have trouble with it warping and such, let me know and I can do it on one of my machines at the office.

Good luck!
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mchaco1



Joined: 08 Sep 2010
Posts: 643

PostPosted: Wed May 07, 2014 7:01 pm    Post subject: Reply with quote

Awesome! I will print it out when no one is looking and try it out Very Happy
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edoremus337



Joined: 27 Aug 2011
Posts: 130

PostPosted: Thu May 08, 2014 1:55 pm    Post subject: Reply with quote

let me know how it works.
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NegozioMediamania



Joined: 14 Sep 2014
Posts: 10

PostPosted: Sun Sep 14, 2014 3:04 pm    Post subject: Reply with quote

edoremus337 wrote:
let me know how it works.


Good day guys, I'm an Italian guy and apologize now for the bad Language, I'm using google translator to help me.

IT WORKS,GREAT JOB !!

I realized the piece with my 3d printer and today I have tested on numerous boards at Lake Garda

the piece and 'just a little' tight, about 1.2 millimeters.

please edoremus337 you can adapt?
you can enter the holes as shown in the link below?

http://www.geocities.ws/reystos/fin_making/

http://www.geocities.ws/reystos/fin_making/powerbox.gif

the screw hole is 7 mm, the hole of the nut is centered and is 9 mm

I tried for a long time to build a 3D design my fins but I never found anything until I read this thread on your forum, thanks



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edoremus337



Joined: 27 Aug 2011
Posts: 130

PostPosted: Mon Sep 15, 2014 1:41 pm    Post subject: Reply with quote

Negozio, here is the updated STL file with the holes for the hardware. I am not sure what you mean by the 1.2mm. Do you want me to make the part skinnier by 1.2mm? If so, I created a file named Powerbox_1.3mm. I hope it works!

STL Files: https://www.dropbox.com/sh/8076upzw887outl/AACX6mVzSaj5kcmsTOHiO90ja?dl=0

Also, check out this video that I made if you are interested in 3d printing windsurfing fins:
https://www.youtube.com/watch?v=UtRxfi8trNs
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NegozioMediamania



Joined: 14 Sep 2014
Posts: 10

PostPosted: Mon Sep 15, 2014 2:14 pm    Post subject: Reply with quote

Hello, I have not yet tried the new stl.
I meant that the fin is a little too tight and moves into place on the board.
the whole thickness is expected to increase by about 1.2 mm

your video is very interesting, My printer is smaller and I will have to print the fin perpendicular to your print, I have to figure out if my final product is strong enough

I feel the stl soon

thanks
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NegozioMediamania



Joined: 14 Sep 2014
Posts: 10

PostPosted: Tue Oct 07, 2014 6:46 am    Post subject: 3drag fin Reply with quote

Hallo,
finally my freestyle poerbox prototipe work in progress..

the hole? ... which hole ??? Wink



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NegozioMediamania



Joined: 14 Sep 2014
Posts: 10

PostPosted: Wed Oct 08, 2014 6:53 am    Post subject: Re: 3drag fin Reply with quote

my scary fin Twisted Evil


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hammerton



Joined: 30 Jul 2007
Posts: 42

PostPosted: Wed Oct 08, 2014 5:48 pm    Post subject: Reply with quote

Wow, you have attached a bucket to your board. That is an object incapable of creating normal lift. Maybe has 40% efficiency compared to an actual fin purely though Newtonian forces and the drag will be immense.
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