Making a taper for a tail fin for an airplane

[s3kmccoy]

I have just started doing custom orders for an air force base and one of the things they are wanting is tail fins out of mdf. The back quarter of the fin has a taper that goes from 3/4" to 1/8" at the back of the fin. I am having trouble trying to set this up in a file. Can anyone help?

[sharkcutup]

Insufficient information need more details!!!

Sharkcutup

[s3kmccoy]

What type of information, do you need, I tried attaching a picture but it won't let me.

[4DThinker]

What type of information, do you need, I tried attaching a picture but it won't let me.

Reduce the size of the photo and it might work. Tapering edges can be done with the moulding toolpath if they are a consistent width. If the width varies then the fluting toolpath and a row of closely space vectors might do the job.

[adze_cnc]

Really the only insufficient piece of information is: are these fins going to have a compound surface? (i.e. the surface curves in more than one direction—as with a shark's dorsal fin).

My guess would be yes. Compound surfaces are difficult to model within VCarve (easier in Aspire or some other 3D modelling software). Simple curved surfaces can be made and cut via the moulding toolpath, the fluting toolpath, and they can be composited from 3D clipart, etc.

[sharkcutup]

MDF --- I pity the fellow who going to be carving these fins.

Anyhow here is an Example of a Moulding Toolpath Carving a Simple Angle 3/4" - 1/8" at Approx. 24 inches in Length.

Sharkcutup

[s3kmccoy]

I got it figured out after watching a few videos and playing with it. How did you get images to load on this forum. It wouldn't let me load the images.

[sharkcutup]

Save file to your Computer

Drag file into Message box (This box) and it will add like in image below

Place cursor in message box where you would like it to appear in your message and Click place inline

Sharkcutup

[adze_cnc]

There is a byte-size limit. Images too large won’t load (especially applicable to images taken by camera). Images taken by the Windows snipping tool tend to be OK. But some PNG files are huge. Saving as JPG helps. There are tools (online as well as installable) that can shrink images in byte-size.

[sharkcutup]

There is a byte-size limit. Images too large won’t load (especially applicable to images taken by camera). Images taken by the Windows snipping tool. Tend to be OK. But some PNG files are huge. Saving as JPG helps. There are tools (online as well as installable) that can shrink images in byte-size.

OOPs! Forgot to mention the file size limit. (2.5 MBs)

Thank you Stephen!

Sharkcutup

[HMPrintDesign]

I got it figured out after watching a few videos and playing with it. How did you get images to load on this forum. It wouldn't let me load the images.

How did you do it