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Building: Cosmic Wind - 1 / 2.6 scale

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Old 09-03-2004, 12:06 PM
  #1
Laaars
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Default Building: Cosmic Wind - 1 / 2.6 scale

Hi.
Me and my dad is building a Cosmic Wind model (or, two. One to each of us). He is building nr. 4, The Minnow, and i'm building the nr. 3, Little Toni.
The scale is 1:2.6 but i didn't put this in the "Big Scale" forum since the wingspan is going to be "only" 206cm. The original was SMALL.
It's gonna be equipped with an Moki .210 engine. 35cc. And a HUGE spinner.

In the beginning we built the front to fit a 104mm spinner. But after some research we found out that it had to be a 140mm spinner. So we made a new front. Therefor, the front is more narrow on the first images.
Everything is made from scratch. So this is no kit, and it's a lot of work. But in the end, it will be nice!
Okey, i'll post some pictures from the start.

Picture 1: Cutting out some parts
Picture 2: Some of the parts cut out
Picture 3: The "shell" of the fuselage is complete
Picture 4: Close-up picture of the back-part
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Old 09-03-2004, 12:11 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

And then we removed the front and the firewall, and replaced it with a bigger one to fit the 140mm alu spinner.
It wasn't a big deal, just remove the parts and set up the new one.

Picture 1: Old front and firewall removed
Picture 2: New front and firewall cut out
Picture 3: New front and firewall in place!
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Old 09-03-2004, 12:19 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Building the rear-wing and the rudder. (Sorry if the words not correct. I'm not so good in english).
Since it's a scratch build, it's always some mistakes and small adjustments. But that's okay.

Picture 1: Building the rear-wing
Picture 2: Buidling the rudder
Picture 3: A small set-up.
Picture 4: A small set-up again.
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Old 09-03-2004, 12:22 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

The spinners was arriving from Germany ( I live in Norway). Those are 140mm alu spinners.
These are HUGE compared to the airplane, but that's the way it was.

Coming with more pictures and updates as soon as we do something new
Waiting for the engines to arrive, and atm we are covering the whole fuselage with Balsa. Then we're gonna cut out the cockpithatch (is hatch right?). Pictures will come!

These pictures speaks for themselves.
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Old 09-03-2004, 03:11 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

That look interesting

Do you have a picture of the finished airplane, I have never seen this model before and would like to know what it looks like.



Bart



BTW, hatch is spelled correctly.
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Old 09-03-2004, 03:25 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Thank you.
Here's some pictures of the real plane.
As you can see, it is not so big. It was just room for an engine, and the pilot. No more.
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Old 09-03-2004, 07:17 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

That is one SERIOUSLY large spinner! I see two fuselages and spinners -- Is this a father/son project?
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Old 09-04-2004, 04:42 AM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

That's right.
I'm gonna build the no. 3 (Little Toni) and he is gonna build the no. 4 (Minnow). They looks the same, except for the decals.
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Old 09-08-2004, 02:06 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Now we have covered the fuselage with balsa. Not much to tell.
It went okey, looks a bit rough now but it will be sanded down, and another layer of balsa will cover it.

Pictures speaks for themselves.
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Old 09-08-2004, 02:06 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Hi, Do You Have Plans At That Scale , Looks great
Jack
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Old 09-08-2004, 02:21 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

The wrapping of the sheeting is interesting vs. the typical "planking" approach more reminensent of boat-builting. Will the second layer of sheeting go in the opposite direction?

I find this doubly interesting in the light of a recent discussion here on possibly building techniques used on the WWI German monocoque designs like the Pfalz DIII and Albatros D series. Some where apparently created out of molded plywood "plates" while others were formed of half shells which were themselves created by laying down overlapping layers of this ply strips.
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Old 09-08-2004, 02:27 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

The first idea was to have the 2nd layer in the opposite direction, but i think it will be straight forward instead.
EDIT: Jack: Doesn't have plans for the plane here. They were made by my dad on paper.
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Old 09-09-2004, 01:55 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Hi I'm Laaars' father.

You can see pix of my "first" Cosmic Wind witch I builded i 1985: http://home.no.net/pernil/pages/114.htm

more of my planes: http://home.no.net/pernil/
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Old 09-15-2004, 03:06 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

The engine has arrived!
And we have also covered the rear-wing and rudder with balsa. (Only one layer).Have also sanded down the first layer of balsa on the fuselage to prepare for the second layer.

Nothing much to tell. It starts to look like a plane.
The engine is a Moki .210. 35ccm and 4,9 hp @ 8800 RPM.

What do you think?
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Old 09-15-2004, 03:22 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Just two more pictures of the engine.
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Old 09-24-2004, 10:23 AM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Okey, now we've done some more!

The body is now completely covered with two layers of 1,5mm balsa.
We put the second layer the opposite way of the first to make it extra strong.

The fuselage is also cut loose from the jig!
And the rudder and rear wing is almost complete.

So now, we will cut loose the cockpit hatch and make the airintakes in the front and much more. It's still alot of work left!
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Old 09-24-2004, 10:25 AM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

And some more pictures of the inside, and the rear-wing and rudder.
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Old 10-28-2004, 09:17 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Laaars,
I just came across your thread on the Cosmic Winds that you and your dad are building. I've always been interested in those airplanes.

Please keep posting photos and notes about your progress, if you can.

I'd be very interested in following the progress.

Thanks,

Bob
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Old 11-10-2004, 03:34 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Good to hear!

Some things has happened since the last time.
Will post a few pics of the work.

First of all, the cockpit-hatch is cut loose! And then we have started on the interior.
There will be some details and stuff inside. It look more like an aircraft when the hatch is cut loose.
And as you can see, we have made a nice jig to put the plane in so it won't be damaged if it's upside down.

And we have also made the round part on the rear around the rudder and rear-wing. This was made by
gluing 10mm balsa together and sand it down to the prefered shape.
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Old 11-10-2004, 03:37 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Then we started to make the inside of the cockpit (Interior).
We made some false walls to make it more realistic. They will be more detailed.
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Old 11-10-2004, 03:39 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

And, at last, we have bought mufflers / silencers. They are built to have the intake and outtake on the same side.
You can also see the aluminium engine mount on the right side there.

More exciting updates will come soon.
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Old 11-10-2004, 08:49 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Thanks for those photos... Please keep us appraised of your progress. You're starting to give me some ideas...

Thanks again,

Bob
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Old 11-29-2004, 03:41 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Okey, have done some new things.
The engine was mounted, the spinner was mounted, made a neck-support (or what it's called in english), made a "thing" behind the cockpit, and so on. Pictures follows.

The engine was mounted on a home-made aluminium engine mount, and used rubber-mountings (From Saab exhaust-mountings i think) behind this. The engine mount was about 10mm to long so it was a gap between the front and the spinner. But it was filled with some 10mm balsa.

Picture 1: The rubber-mountings on the firewall.
Picture 2: The engine on the aluminium-mount.
Picture 3: The engine completely mounted, showing the gap between the spinner back-plate and the front of the fuselage.
Picture 4: With the spinner mounted. As you can see, the screw wich is going trough the spinner is too long, so we had to cut a little bit.
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Old 11-29-2004, 03:48 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

We had to fill the gap between the fuselage and the spinner. We used 10mm balsa, and sanded it down to the shape of the spinner / fuselage. It will only be 2 - 3 mm clearance between the spinner and fuselage.
The cylinder will be hidden beind the large air intake on the side. In the air intake on the other side, the muffler will probably be placed if possible.
We also need to cut out some more on the side to make free air flow to the engine. (Pic. 4) This will be behind the air-intake anyway, so they will be functionable.
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Old 11-29-2004, 03:54 PM
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Default RE: Building: Cosmic Wind - 1 / 2.6 scale

Then we made the little cone-thing behind the cockpit.
It was made by making the "shell" in balsa (Pic. 1), and cover it with thin (1mm) balsa. It was a bit difficult but it went okay.
We also need to make the canopy, but haven't decided how.
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