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  #761  
Old 12-07-2006, 08:31 AM
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test
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  #762  
Old 12-07-2006, 09:36 AM
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Did I pass?
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  #763  
Old 12-07-2006, 10:14 AM
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There was a problem with the thread earlier this AM.
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  #764  
Old 12-07-2006, 12:29 PM
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There was a problem with the thread earlier this AM.


Ok...but did I pass?
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  #765  
Old 12-07-2006, 12:58 PM
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Quote:
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Ok...but did I pass?


I fear there's a Benny Hill moment in that line...
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  #766  
Old 12-07-2006, 02:24 PM
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I fear there's a Benny Hill moment in that line...


LOL! It's good to see Benny again on BBC America.
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  #767  
Old 12-07-2006, 03:50 PM
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Exclamation Revised Plan -- Andromeda

Last night I tried to construct a fin unit for this model, but found that my original layout was too fragile to hold itself together. If I used the SEMROC 0.05" fiberboard, it might work, but I don't know how fins that size and with so little actual structure might hold out in terms of warpage. So, I'm making a few changes in the fin design.

First, I'm beefing the thickness up to a 1/8" sheet instead of 3/32". Second, I've eliminated the fancy trims attaching the hardwood dowels to the front and rear edges. Third, I've lengthened the two dowels to fit into notches. Fourth, I've moved the outer dowel inward, and returned to a solid tip area. Fifth, I've reduced the actual balsa count to four pieces. Sixth, I've located and drawn into the patterns the slots for the two ST-13 shrouds.

Once these parts are assembled together, the paper-skin-laminated balsa should have all of the requisite strength for handling the stresses of launch and landing.

One note of caution -- the A8-3 requires a 48" rod to become stable, so I am removing it from the recommended motor list. The altitude on the A was only 120' anyway...

Length: 24"
Diameter: 1.34" (ST-13 shrouds)
Fin Span: 5.82"
Weight: 2.08 oz

B4-4......337'......Dv 9 FPS
B6-4......347'......Dv 4 FPS
C6-5......850'......Dv 12 FPS

All of these motors reach flight velocity on a standard 36" launch rod.

Enjoy!
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  #768  
Old 12-07-2006, 04:41 PM
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Default Smokin Design

That is the best of your outstanding designs. I'm almost speechless. I don't have Rocksim, but I'm eagerly awaiting a blueprint to give this a shot. Unless you kit it up for me!!!

Great work.
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  #769  
Old 12-08-2006, 06:10 AM
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Quote:
Originally Posted by CPMcGraw

... Once these parts are assembled together, the paper-skin-laminated balsa should have all of the requisite strength for handling the stresses of launch and landing.
....

Enjoy!


Craig;

I agree with Bob - this is an excellent and exciting design, and a good challenge for the Builder. Well done! If there's a list somewhere for prospective kit candidates, this one has to be at or near the top of the list.
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  #770  
Old 12-09-2006, 02:20 PM
James Pierson James Pierson is offline
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Thumbs up Two Thumbs Up!

Count me in on the want to see the Andromeda as a kit. Thats a great design Craig. As far as me updating my Rocksim parts files go I cheated . I went back to many of your and other files that use semroc parts and just Saved To Database all the Semroc nose cones that were used. There are still alot missing but I plan on creating and saving them as I need them.

Thanks Again, JP

James Pierson
NAR# 77907
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