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JDMather
Posts: 26,188
Registered: ‎04-20-2006
Message 11 of 13 (179 Views)

Re: Flattening part of a curved surface.

12-26-2012 07:35 AM in reply to: jar1

It will probably be easiest to create the part as in my previous post and then Derive the molds from the part.

At least that is how I would do it.

Please mark this response as "Accept as Solution" if it answers your question.
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jar1
Posts: 7
Registered: ‎11-25-2012
Message 12 of 13 (167 Views)

Re: Flattening part of a curved surface.

12-26-2012 07:05 PM in reply to: JDMather

Yeah, I figured as much after messing around with it. couldnt do it your way for some reason, Had to combine both halves in an assembly, then turn into a part. then I opened the part in fusion, deleted everything except teh surfaces that made the shape of the rudder. then I saved, and imported it into inventor. stitched it all together to make a solid. doesn't look too bad but it could use some smoothing work towards the bottom to make the sections look more clean, still need to figure out how to do that.

 

THe important part is the shape. I was going to draw the 3d shape as requested, but ran into trouble. In th link is the new part. basically the line on the foil is the high point. I cant go straight from that to the trailing edge though. what I really need  is to go from the line straight back parrallell to the 3 lines on the head of the rudder to point where the slope of the airfoil in that direction is equal to the slope of the straight line from that point to the trailing edge. sorry for the brevity, about to lose inflight wifi.

 

https://www.dropbox.com/s/curb6j74jzhhmgp/Rudder%20Combined%20fusion%20part.ipt

Active Member
jar1
Posts: 7
Registered: ‎11-25-2012
Message 13 of 13 (146 Views)

Re: Flattening part of a curved surface.

12-30-2012 07:47 AM in reply to: jar1

Ok, I had some time to look at this more. The goal now is to make the surface a flat plane from the line drawn to whatever point is tangent to the body that is in red.

 

https://www.dropbox.com/s/curb6j74jzhhmgp/Rudder%20Combined%20fusion%20part.ipt

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