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Git 'R Dun - Giant Scale! From the box to the runway. Whatever it is, show us how you build 'em! (build threads only)

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Old 09-04-2008, 03:54 PM   #229 (permalink)
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Default Re: Laser / Turbo prop build

Sketch, please...
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Old 09-04-2008, 04:21 PM   #230 (permalink)
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Default Re: Laser / Turbo prop build

A little more work was done today, finished shaping the wing leading edge and trailing edge and cut out the ailerons.

And 3D guy, I will post some sketches later tonight.

Roger
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Old 09-04-2008, 04:41 PM   #231 (permalink)
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Default Re: Laser / Turbo prop build

Here is two sketches of the webbing I spoke about.

the one with the side webbing is relying totally on the glue to hold things together, while the other one with the webbing sandwiched between the two stringers relies on the strenght of the webbing itself.

Roger
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File Type: jpg webbing2.jpg (59.3 KB, 14 views)
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Old 09-04-2008, 10:59 PM   #232 (permalink)
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Default Re: Laser / Turbo prop build

Oh, okay.
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Old 09-05-2008, 05:58 AM   #233 (permalink)
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Default Re: Laser / Turbo prop build

Quote: Originally Posted by k3sui
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True, but in a bending moment, where there is compression, there is also tension ... in this case, the bottom of the wing. The tensile strength of the carbon fiber on the bottom would lessen the compressive forces in the top. That is why we see struts on the bottom of high wing planes. Cheaper and lighter than building the wing to carry all the load. The interrib webbing is the finishing touch that makes the whole wing an "I" beam.
Hello, thanks for your interest in this build. Please read all the posts, and number 191 for the I beam info. Thanks
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Old 09-05-2008, 10:15 PM   #234 (permalink)
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Default Re: Laser / Turbo prop build

In these photos, I am installing the hinge blocks in the wings and ailerons before I install the trailing edge of the wing aileron cutout and the leading edge of the ailerons.

Also before the we close these off , I have also installed a hard wood control horn point .

The boost tabs will be cut out once this is all done..


Roger
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Old 09-06-2008, 03:43 PM   #235 (permalink)
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Default Re: Laser / Turbo prop build

Today, I have the hinges done on the wings,
you will see in the photos , the procedures I am taking, I made a drill jig on the lathe for the hinge points.
and just capping the root plywood rib,

Roger
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Old 09-07-2008, 05:09 PM   #236 (permalink)
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Default Re: Laser / Turbo prop build

This is the boost tab on the ailerons,

Roger
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Old 09-08-2008, 07:33 AM   #237 (permalink)
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Default Re: Laser / Turbo prop build

Quote: Originally Posted by forgues research
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Today, I have the hinges done on the wings,
you will see in the photos , the procedures I am taking, I made a drill jig on the lathe for the hinge points.
and just capping the root plywood rib,

Roger
Looking good Roger , BTW robart sells a drill gig that work well .
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Old 09-08-2008, 08:31 AM   #238 (permalink)
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Quote: Originally Posted by McFueler
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Looking good Roger , BTW robart sells a drill gig that work well .
Yes I know , I have one but I found it was not as accurate as I would like , maybe its the operator, ME.

Roger
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Old 09-08-2008, 10:23 AM   #239 (permalink)
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Quote: Originally Posted by forgues research
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Yes I know , I have one but I found it was not as accurate as I would like , maybe its the operator, ME.

Roger
Yea , I know what you are talking about .
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Old 09-09-2008, 05:32 PM   #240 (permalink)
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Default Re: Laser / Turbo prop build

Today, I took a break from sniffing balsa dust and glue

So here is the making of a tail wheel ...

You wanted photos, you got them

Roger
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