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Old Aug 15, 2012, 12:07 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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Build Log
Isis 3: A Custom DLG Project

I have Changed my Design Slightly in order to allow me to build the wing out of balsa, Carbon and Fibreglass.
so i started the Re-Design

I will keep you updated When i start..



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Old Aug 16, 2012, 05:26 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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another update..
i have now Loaded up the Drawing in Solidworks and will begin to loft the wing..

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Old Aug 16, 2012, 10:48 PM
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How many control points in those foils?
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Old Aug 17, 2012, 08:21 AM
Aurora Builder
United States, MD, Lusby
Joined Nov 2003
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Any twist? Wing looks nice, what happened to Isis 1 and Isis 2? If you get stuck on the solidworks modelling, feel free to shoot me a PM!
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Old Aug 17, 2012, 10:03 AM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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Quote:
Originally Posted by samc99us View Post
Any twist? Wing looks nice, what happened to Isis 1 and Isis 2? If you get stuck on the solidworks modelling, feel free to shoot me a PM!
Isis 1 was ok but a little heavy and way to complex to make
isis 2 was a complete total utter failure (visit my youtube Cannel to see the maiden Fail... my channel name is TheRcAirlinerAddict)

and PM Sent..

yeah i plan to add 1Deg Of twist to the Tips..

Keenan
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Old Aug 17, 2012, 10:07 AM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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Quote:
Originally Posted by iwokeupwithgills View Post
How many control points in those foils?
Could you elaborate on the Control points as i am Still in the books about Airfiol Design..

Keenan
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Old Aug 17, 2012, 11:03 AM
Aurora Builder
United States, MD, Lusby
Joined Nov 2003
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He is asking about the number of panels in the individual foils, looks like maybe 6? Typically its closer to 150 or more. Were the foils designed in xfoil? Or are they stock DLG foils?
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Old Aug 17, 2012, 11:10 AM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
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they are AG-45- Zone V2 Hybrid...

that way i get the forgiving nature of the AG and the Speed of the Zone...

Keenan
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Old Aug 17, 2012, 01:05 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
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Solid works model

ignore the Kink in the trailing Edge (it a small Airfoil Error )

Also i will finish up work on the Wing later ..

So What Do think ?
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Old Aug 17, 2012, 01:18 PM
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Cool. Is there a reason you aren't using a loft? It would create a smooth transition from one section to the next, making your LE and TE into a nice curve.
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Old Aug 17, 2012, 01:23 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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Quote:
Originally Posted by bwill6 View Post
Cool. Is there a reason you aren't using a loft? It would create a smooth transition from one section to the next, making your LE and TE into a nice curve.
i am i just have'nt added the Guide curves yet..
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Old Aug 17, 2012, 01:30 PM
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In my experience, SW does a better job if you do it all at once then piece mealing the curves together. Just a single loft using a guide curve to the tip foil. Then for the actual tip, Ive used I think its the sweep command to bring the wing to a curved tip. Its been a while though.

James
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Old Aug 17, 2012, 02:36 PM
Aurora Builder
United States, MD, Lusby
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The wing does not look very smooth (ignoring the kink). I'm specifically looking at the LE. Again, how many points are in your airfoil curve?

I am also curious about your airfoil blend. Did you blend the Zone and the AG in xfoil or xflr5? Or are you using AG at the root and Zone v2 at the tip, for example?
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Old Aug 17, 2012, 02:49 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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I do not know how to add the spline for the leading and trailing edge for the loft to follow and also I can't figure out how to get my toolbar back so I cannot access any of my folders. This is because my keyboard is broken (my friend is typing this). Minor delay

Keenan
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Old Aug 17, 2012, 02:52 PM
ich bauen groß modell flugzeug
Keenan smith's Avatar
United Kingdom, London
Joined Dec 2010
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Quote:
Originally Posted by samc99us View Post

I am also curious about your airfoil blend. Did you blend the Zone and the AG in xfoil or xflr5? Or are you using AG at the root and Zone v2 at the tip, for example?
I'm using AG at the root and Zone v2 at the tip
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