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Dec 28, 2012, 09:51 AM
Flyin' the Columbia Gorge
Originally Posted by dougmontgomery
The next project, maybe someone can give me guidance on the best way to approach this.

Orion DLG Tails I will cut on my router in February- we have some time.

If I need to cut a mold, Would I model the positive and subtract it from a cavity or do i build it as a negative?

No need to model both individually. Solidworks is capable of pulling a parting line and making the mold based off your model. Make the model first and then go to the mold tools.
I would volunteer to make this but I can not make something perfect from your sketch. I do not know if there is any curve to the surfaces as I am not familiar with the glider specs.

If you have a solid model, the core and cavity (both sides of the mold) woiuld take only a couple minutes to model.
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Dec 28, 2012, 11:46 AM
dougmontgomery's Avatar
I can provide the airfoil of each surface, just not sure what the easiest way to do this is, the vertical is symmetrical and the horizontal is more flat bottomed.
Dec 28, 2012, 02:50 PM
Registered User
If you put the file in .dxf, I might be able to take a look at what your doing. My software won't open your version of .sldprt.
Dec 28, 2012, 04:35 PM
dougmontgomery's Avatar
Rotorob- i appreciate your help but i need to accomplish/learn this in sw2011
Dec 30, 2012, 12:35 PM
Aurora Builder
Issue is pulling a solid from the foils in question. I could only extract a surface.
Jan 28, 2013, 01:47 PM
dougmontgomery's Avatar
Sam, i just sent you an email to you gmail account an it came back with a .pdf with a threat detected.
You may of been a spammed.

Last edited by dougmontgomery; Jan 28, 2013 at 06:04 PM.
Jan 28, 2013, 09:23 PM
Aurora Builder
Yes I was hacked, it appears that has stopped. My apologies to anyone that got spam from me today!
Feb 01, 2013, 08:04 PM
Registered User
I just came across this thread and have a recommendation for a very good video tutorial set. If your time is worth anything then you can't afford not to spend the $150 for the full set. When your stuck just reference the one of hundreds of short to the point videos and your on your way. No more looking for the "any" key. I can't comment on your file because I am running 2010 and 2011 won't open for me.


I hope this helps,

Feb 11, 2013, 10:14 AM
Do it right first time.
Oldbelt's Avatar
Hi Doug.
Still around, why did'nt you contacted me with your problems??.
Last time I think we obtained a fine result.
Are you at the US DLG team this year??.
The competition is hold in Herning, thats is 30 miles from my place.

k.r. Oldbelt /Bent.
Feb 11, 2013, 02:46 PM
dougmontgomery's Avatar
Ob, nice to hear from you. I sent the files to many machinests that quoted very high prices i could not afford. Then last year i met someone that could do the work much cheaper but wanted to model in mastercam. I have since got the molds as you may have seen based off our geometry minus the wing canopy fairing.
Problem- the final surface area is to large behind the wing. Costing a overall weight issue and a cg issue.

I have since modified dimensions and redrawn, waiting ti machine this month.

I am not good enough to make the world team or have enuff money to travel if i was qualified.

Are you and your son flying? Any dlg or still slopers?

I did purchase a cnc router......

And working on a geodesic type dlg.

Thanks for contacting me..i did lose a friend jochenk over there in germany this last year. We were good autogyro friends.

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