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Dirty Birdy Build Thread - 8/29/2008 6:56:32 PM   
AllTheGoodNamesAreTaken



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I don't think there's a build thread on the Dirdy Birdy, so I'll start one.

This is a Bridi kit from ~2001 based on the newspaper that was stuffed in the box as padding.

I will be using a new NovaRossi C60F with a tuned pipe. Southern Pro Retracts (main gear) set up as a tail dragger. Other details like servos and hardware are TBD.

The box includeds a bunch of balsa blocks, some ribs, sheeting, some sticks and a smatterning of hardware including a nylon motor mount.

The plans are well drawn and I believe one could easily scratch build this plane from the plans.

The instruction manual is more or less a novel with no pictures or illustrations.

It looks like there will be plenty of carving and sanding on the fuse to make that elegant shape. I really enjoy carving and sanding. I find it therapeutic.

Here's some starter photos...sorry about the quality, I took them with my phone.

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Jeff Walker
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RE: Dirty Birdy Build Thread - 8/29/2008 7:24:43 PM   
acobra



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Hi:
The Dirty Birdi is a GREAT plane, I've built 3 of them all .40 size as trikes. These may well be the best flying models I've ever had, good choice. Here are a couple of pictures of mine.
Frank[image][/image]

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Bild to fly NOT to crash

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RE: Dirty Birdy Build Thread - 8/29/2008 7:26:25 PM   
acobra



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OOPS!
messed up 2 of the pictures but you get the idea
Frank

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RE: Dirty Birdy Build Thread - 8/29/2008 7:34:46 PM   
AllTheGoodNamesAreTaken



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Very nice Dirty Birdies there acobra! I love the black one!

I'm building the .60 size.

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RE: Dirty Birdy Build Thread - 8/29/2008 7:39:17 PM   
petec



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Cool.....I have a 40 size in the bones that I will finish one of these day. I built it from scratch as I was building one from a kit for I guy who used to be in our club. I had a DB 40 back in the 80's when I was a kid and couldn't resist the offer to build one again, although his and mine have foam wings since I have a foam cutter.

< Message edited by petec -- 8/29/2008 7:41:34 PM >


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RE: Dirty Birdy Build Thread - 8/29/2008 7:44:03 PM   
AllTheGoodNamesAreTaken



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Here is a (stock) photo of the engine and pipe. I ordered them from plannethobby.com for $200 as a combo. I hope it lives up to is performance numbers.

High Speed Ball Bearings; Bushed Rod; True ABC Piston Sleeve Design; 8 Intake Ports; Weight 22.5 oz. Power: 2.3 H.P. at 16,500 RPM; 17mm Shaft; 1/4 x 28 Threads; Standard Glow Plug

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< Message edited by AllTheGoodNamesAreTaken -- 8/29/2008 7:45:29 PM >


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RE: Dirty Birdy Build Thread - 8/29/2008 11:45:44 PM   
crankpin


 

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Time to start the Dirty Birdy. I am waiting, as I have an interest in that plane.

Crankpin

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RE: Dirty Birdy Build Thread - 8/30/2008 12:16:06 AM   
hrrcflyer


 

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Allthegoodnamesaretaken,

YOU DA MAN!!!! I'll be following your thread with keen interest. I'm sure I'll learn quite a few things following your build. That Rossi 60 and pipe should make your plane Ballistic.

Thanks so much for doing the build thread.


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David

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RE: Dirty Birdy Build Thread - 8/30/2008 12:35:11 AM   
AllTheGoodNamesAreTaken



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Thanks guys. Right now I'm studying the plans and instructions. Seems pretty straightforward. Right now I've got a 35% on my big building board that's just about framed up, but since I'm single, I might just start the DB on the kitchen table.

Anyone know if the Dave Brown / Southern Pro retracts will hold up to an 8lb bird?

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RE: Dirty Birdy Build Thread - 8/30/2008 1:23:12 AM   
crankpin


 

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Call 'em up. DB Products: 513-738-1576.

< Message edited by crankpin -- 9/9/2008 10:02:43 AM >

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RE: Dirty Birdy Build Thread - 8/30/2008 2:38:29 AM   
WEDJ



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Those gears will be fine, even with 5/32 wire. We used to use them with planes of 10+ pounds.

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RE: Dirty Birdy Build Thread - 8/30/2008 2:53:25 AM   
crankpin


 

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Went Flying.

< Message edited by crankpin -- 9/9/2008 10:02:04 AM >

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RE: Dirty Birdy Build Thread - 8/30/2008 1:33:09 PM   
AllTheGoodNamesAreTaken



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OK, the kitchen table it is...

I got all the pieces sorted by sub assembly.

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Jeff Walker

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RE: Dirty Birdy Build Thread - 8/30/2008 1:42:51 PM   
AllTheGoodNamesAreTaken



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I joined the fuse halves and lined them up using a straight edge and some angle stock. I glued the doubler in place and weighed it down until it was dry.
By the way, I'm using Titebond 2.

After the glue was dry I pinned the fuse halves together and lighly sanded the halves until they were identical.

Now it's time to mark the bulkhead locations on the fuse sides.

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