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Oct 11, 2008, 12:29 AM
MAR
marineA4's Avatar
Some little mods to convince the looks can gradually be done Eric. Sometimes though its not looks that matter but reliability.
I'm sure its super reliable now with the belt driven upgrade. Glad its working out!
Let me know how that little F-86D comes along.....

I myself will be doing some templates here soon and cut out some foam for the BD-5.

Orlando
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Oct 11, 2008, 04:25 PM
EDF rules... :)
AirX's Avatar
Quote:
Originally Posted by marineA4
Some little mods to convince the looks can gradually be done Eric. Sometimes though its not looks that matter but reliability.
I'm sure its super reliable now with the belt driven upgrade. Glad its working out!
Let me know how that little F-86D comes along.....

I myself will be doing some templates here soon and cut out some foam for the BD-5.

Orlando
Cool O, look forward to seeing the BD evolve. This F-86D is sized for the Wemo micro so it is large for the GWS40.

Eric B.
Oct 23, 2008, 06:09 PM
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AirX's Avatar
Here is a picture taken from my CAD program.

Eric B.
Nov 02, 2008, 09:06 PM
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AirX's Avatar
Ok, started cutting the parts today. Here is a section I have completed to show you how it will be constructed. It will be on the large size for a 40mm.

Eric B.
Last edited by AirX; Nov 02, 2008 at 09:11 PM. Reason: Added pictures
Nov 04, 2008, 11:28 PM
MAR
marineA4's Avatar
I see you got the hotwire going........Cool!

Starting to look pretty good

Orlando
Nov 05, 2008, 06:35 AM
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AirX's Avatar
Quote:
Originally Posted by marineA4
I see you got the hotwire going........Cool!

Starting to look pretty good

Orlando
Hi O,

Yup it is going but I still need more heat for straight cuts. I am limited by the ammount of amps I can run thru the wire right now(~1mm sec).

Eric B.
Nov 05, 2008, 08:15 PM
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AirX's Avatar
Here is a few more foto's of the construction of the fuselage.

Eric B.

The cutout is for the 1/8 spar for the wing panels.
Last edited by AirX; Nov 05, 2008 at 08:19 PM. Reason: Added information
Nov 08, 2008, 06:02 PM
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AirX's Avatar
I have started to assemble the parts, I needed to get the canopy cutout finalized and make a test cut and in the picture you can see the cut is there opening the fuselage for the battery and esc compartment. the aft end will be assembled tomorrow, I have cut the last section to mount the horizontal stabilizer to assure the thrust line the the horizontal stab are correctly situated. The duct is readily visible and it looks like it gets smaller at the inlet but it actually spreads out more so the area is preserved.

More to come.

Eric B.
Nov 09, 2008, 08:38 PM
Supersonic hover
Esprit440's Avatar
Nice Eric! The transitions in the duct from segment to segment look pretty mild, are you going to try to blend them anyway?

-Matt
Nov 09, 2008, 08:40 PM
Lori, hey, you're home early
CarreraGTSCS's Avatar
Eric-- Can you show some of your templates? I'm about to start on my Viggen project and I'm spending a lot of time laboring over the ducts. I don't have or do CAD so it's worked out either in my head or pencil and paper.

Thanks,
Mike
Nov 10, 2008, 05:26 PM
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Quote:
Originally Posted by Esprit440
Nice Eric! The transitions in the duct from segment to segment look pretty mild, are you going to try to blend them anyway?

-Matt
Hi Matt,

Working thru it slowly...
The transitions probably wont hurt as much as changing area transitions. I will try a test when I get the fuselage completed and see what the little bugger puts out...

Eric B.
Nov 10, 2008, 05:32 PM
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AirX's Avatar
Quote:
Originally Posted by CarreraGTSCS
Eric-- Can you show some of your templates? I'm about to start on my Viggen project and I'm spending a lot of time laboring over the ducts. I don't have or do CAD so it's worked out either in my head or pencil and paper.

Thanks,
Mike
Hi Mike,

The sections change as the duct progresses thru the fuselage. ClausXPF posted a few jpegs of good duct design and it is very similar to what I use.
Designing without CAD is fine, you know the starting shape and the ending shape so the shapes that transition thru formers can be derived thru orthographic projection techniques we all learned in the days the pencil was king. I still do the this with AutoCAD when I use it.

Eric B.
Last edited by AirX; Nov 10, 2008 at 06:18 PM. Reason: Added Photo
Nov 10, 2008, 08:09 PM
Lori, hey, you're home early
CarreraGTSCS's Avatar
Thanks Eric. So simple.

Mike
Nov 11, 2008, 03:41 PM
Registered User
I want a kit!!!!
Nov 11, 2008, 09:16 PM
EDF rules... :)
AirX's Avatar
Mike,

If you have any questions just pm me...

Eric B.

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