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  #31  
Old 07-31-2007, 05:33 PM
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Andrew Anunson Andrew Anunson is offline
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

Yeah NICE! Why aren't the plans this way or why isn't it a common mod? If there's nothing wrong with the idea, then it sounds like a winner. Does that fact that the antenna normally lies flat, all in one flat plane, produce better radio performance? With this new method, the antenna could still be parallel to the other antenna parts, but they'd all be in different planes. Any thoughts?
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  #32  
Old 07-31-2007, 05:40 PM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

My understanding is you can even do this with copper wire vs foil.
I don't know why this would be an isse as you aircraft is in a different attitude and still gets signal.

There is nothing that really goes into the antenna in the original plans.
I don't know if the Fein tool was even available back then.
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  #33  
Old 08-01-2007, 12:08 AM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

Ready for glass. Chapter 7 should be a wrap by the end of the weekend.
Here's a couple of update pics (in my messy shop)
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  #34  
Old 08-01-2007, 03:44 AM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

The more pics I see, the more I like it!
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  #35  
Old 08-01-2007, 10:39 AM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

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Originally Posted by TMann View Post
My understanding is you can even do this with copper wire vs foil.
Yes, some have used wire with perfect results, the reason to go with foil is wider freq range, that is why i'm goin with 3/4 this time
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  #36  
Old 08-05-2007, 08:14 PM
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Default Re: N200LZ: Chapter 7 - DONE

That's a wrap on chapter 7. I started laying glass at 2:30 PM. I put down the 3 layers of UNI followed by 2 layers of kevlar on the bottom only and the covered the kevlar with deck cloth (light weight fiberglass) followed by peel ply.

All done and heading for the shower by 5:30 PM. I was working by myself and had heard that it's a big job, so I stopped by Home Depot and got one of those dinky 6 inch rollers and a tray to wet out my cloth. It worked great!

The kevlar is at the suggestion of the R/G manufacturer to add protection in the event of an off field or gear up landing. The Berkut does the same thing.

The light weight deck cloth makes it easier to work with the kevlar (whick doesn't hadle sanding all that well.

On to chapter 8!
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  #37  
Old 08-06-2007, 02:17 AM
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Default Re: N200LZ: Chapter 7 - DONE

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Originally Posted by TMann View Post
The kevlar is at the suggestion of the R/G manufacturer to add protection in the event of an off field or gear up landing. The Berkut does the same thing.

The light weight deck cloth makes it easier to work with the kevlar (whick doesn't hadle sanding all that well.

On to chapter 8!
I'm doing something similar with Kevlar in the bottom skin, I just got five yards in on Friday, but I have to ask, where did you put the kevlar? If its on the interior then it's relatively useful, but I wouldn't cut the glass schedule in that region much (I'm not cutting it at all, the Kevlar is extra, and I'm actually going to put it between the 3/8" core and the spacers and the inside glass, so it's a flat layer, as I just want it for foreign object penetration resistance)...

... but, if it's on the exterior of the foam as it sounds (being chapter seven), I hate to say it, it's next to useless except as an abrasion layer (and prone to localized rupture even in that role), as kevlar is weak in compression (substantially weaker than the glass, which is why I say don't lighten the glass) and under any sort of gear up or such the exterior skin is going to be predominantly in localized compression.

just curious as to how you ran your numbers on the changes to your laminate schedule...
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Last edited by chasingmars : 08-06-2007 at 02:23 AM. Reason: pursuit of grammer
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  #38  
Old 08-06-2007, 11:20 AM
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Default Re: N200LZ: Chapter 7 - DONE

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... but, if it's on the exterior of the foam as it sounds (being chapter seven), I hate to say it, it's next to useless except as an abrasion layer ...
That is the purpose of this layer. It's the same as on the Berkut.
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  #39  
Old 08-06-2007, 02:35 PM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

And the Infinity 1!!


Yep, seems you need that sorta' thing with retracts.

For me I'm beefing the nose skid and Kevlar-ing the wing tip bottoms. Oops! Did I forget to say lower winglets?
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  #40  
Old 08-06-2007, 02:47 PM
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Default Re: N200LZ: Chapter 7 - Rudder Conduit

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And the Infinity 1!!
But it's not flying yet ....... or haven't you heard!

Ditto on the skid plate and wingtips! (I meant the lower winglets.)
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