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Full Version: Lofting a boat hull.

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From: Anthony (PROP_DESIGN)
23 Dec 2019   [#38] In reply to [#37]
Hi Burrman,

Damn, really sorry to hear about getting cancer. That's terrible. I hope you are able to beat it.

Yeah, the mountains of math is the hard part. I'm still finding bugs with PROP_DESIGN. I started with a code called PROPSY, thinking I could scan it it and it would just work. Damn, was I wrong. 10+ years latter and still pounding on it. You helped a lot with figuring out the leading edge was an ellipse. That was not clear at all from the NACA definition.

At various times, I asked if a script could be made to automate the geometry creation process. Some progress was made but don't think a finished product was posted. However, that helped me find some important bugs as well. So it was helpful.

Yeah, I hear you about forum posts regarding accuracy. A lot of the work flows that seem to be popular aren't something I could use. Even a loose loft is not an option. So I just kind of shut up as well. Just easier that way I guess. Plus I saw what happened to you. I couldn't stand that guy either. Naming lofting after himself. The arrogance was unbelievable. Yet he was a popular user. So that left me pretty dumbfounded.

I started with a 2 rail sweep using 1 profile. I ended up finding out Rhino was screwing up the geometry. Even small deviations had big impacts on stress and vibration. You would be surprised what a small deviation can do. Eventually I figured out lofting with multiple profiles was the best way to go in my case. That ensures the aero and structural performance.

Anthony
From: Michael Gibson
23 Dec 2019   [#39] In reply to [#37]
Hi Burr, that really sucks about the cancer. I sure hope that you'll get rid of it.

- Michael
From: BurrMan
23 Dec 2019   [#40] In reply to [#39]
Hi Michael and Anthony,
Yeah, an out of the blue punch in the gut....

But, it seems to be gone for now!

The treatment was brutal though.
Lucky i didnt post while on morphine!!!! Lol

Making my comeback now. See you in the funny papers
From: Michael Gibson
23 Dec 2019   [#41] In reply to [#40]
Hi Burr, sounds like a rough time but I'm glad you're on the upswing now.

- Michael
From: BurrMan
24 Dec 2019   [#42] In reply to [#41]
Thanks again Michael!!

Really appreciate your forum and community...
From: Anthony (PROP_DESIGN)
24 Dec 2019   [#43] In reply to [#40]
that's great news, except for the horrible treatment. you reminded me of the beginning of the movie shallow hal. the kid goes to talk to his father who's high on morphine. tells him a bunch of crazy but true sh** that changes his life.
From: mkdm
24 Dec 2019   [#44] In reply to [#40]
Hi Burr!

Some minutes ago I read your posts:

"Still here!!! I got cancer which set me back a bit. but still around."

"The treatment was brutal though.
Lucky i didnt post while on morphine!!!! Lol"


It's really sad to hear these really bad news!
So sad...

But I understand from your words that you're a "fighter" :)
This is a very good thing for you!

I hope all the best for you and your life.

Have a blessed day!
From: BurrMan
24 Dec 2019   [#45] In reply to [#44]
Hi Marco,
Thanks for the nice words! On the upside now, so back to it....
From: BurrMan
24 Dec 2019   [#46] In reply to [#45]
Gord had a nice thread going here...

Didnt really mean to derail it...

Onward!
From: mkdm
25 Dec 2019   [#47] In reply to [#46]
Hi Burr.

I'm sorry...but English is not my native language :)

I tried to translate your last post, but I couldn't do it:

"Gord had a nice thread going here...
Didnt really mean to derail it..."

Is it figure of speech in English/US?
What does it mean?

Thanks :)
From: BurrMan
25 Dec 2019   [#48] In reply to [#47]
Hi Marco,
I dont want to change Gord's post "lofting a boat hull" into "Burr got sick" post....

And also, "Thanks for the kind words"....
From: mkdm
25 Dec 2019   [#49] In reply to [#48]
Ah...ok!
I should have known by myself...

Thank you very much for the clarification.

And...Have a blessed day Burr!

Ciao :)
From: Frenchy Pilou (PILOU)
1 Jan 2020   [#50]
Burrman the return of the new year ... always pertinent! ;)
From: BurrMan
1 Jan 2020   [#51] In reply to [#50]
Happy New Year, Frenchy!
From: Gord (NEOMEGA)
22 May 2020   [#52] In reply to [#23]
Is Freeship available for a Mac please?

Gord
From: Frenchy Pilou (PILOU)
22 May 2020   [#53] In reply to [#52]
I am affraid that you must run it on MAC with "emulator"(?) ...like the free PlayonMac (someone use Freeship with success )
https://www.playonmac.com/en/
Good luck!

Ps That must maybe run also fine for any other program like the free PolyCad ;)
http://www.polycad.co.uk
From: Frenchy Pilou (PILOU)
24 May 2020   [#54]
https://download.delftship.net/DSFree.php

and with a very big detailed PDF! ;)

Else seems this ones are for MAC! ;)

http://www.touchcad.com not sure that is something free here :)
maybe the demo! http://www.touchcad.com/tc3download.html

http://www.jsdn.es/jSDN/en/mainframe.html

maybe this one (not tested) https://moiscript.weebly.com/uploads/3/9/3/8/3938813/jar.zip
From: Frenchy Pilou (PILOU)
25 May 2020   [#55]
Another one for MAC ;)

https://sourceforge.net/projects/x3navald/
From: Frenchy Pilou (PILOU)
8 Jul 2021   [#56]
Version 10.5 of free PolyCad (iges with moi)
https://www.polycad.co.uk


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