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HomeScaleAircraftScale HeliScale Helicopter Main Discussion Docs  Approach Engineering "Whiskey" Cobra build..
02-28-2016 09:21 PM  34 months agoPost 81
ssmith512

rrKey Veteran

Indianapolis, IN USA

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Man you can build a damn good looking model fast! I love it. Whiskey is one of my favs. Cant wait to see it completed.

Steve

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03-01-2016 02:32 PM  33 months agoPost 82
coptrdr2

rrApprentice

Huntsville, Al

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Jonesin
Ok Jim,

I have become accustomed to the updates. You have me itching to build. Sooooo bring on the updates.

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03-01-2016 10:47 PM  33 months agoPost 83
coptercptn

rrElite Veteran

Mesa AZ. USA

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Break in the action folks as we make a short road trip to the San Diego zoo with the family and some friends...

Home of the "Sea Cobra".....

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03-01-2016 11:12 PM  33 months agoPost 84
old nitroman

rrVeteran

Naples florida

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cool have great trip

E5s and E7se,and a 766, Roban bell 222 800 superscale,450 bell 4 bladed head,gobby 380and 420 ,180cfx

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03-02-2016 04:04 PM  33 months agoPost 85
coptercptn

rrElite Veteran

Mesa AZ. USA

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Last day of the VayKay ... Going to tour a ship I landed on a few times during my tour in Southeast Asia. The Carrier "Midway" (CV 41)

Home of the "Sea Cobra".....

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03-09-2016 08:36 PM  33 months agoPost 86
coptercptn

rrElite Veteran

Mesa AZ. USA

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Back at it today with a little more building and prepping for paint. I will update with pics later....stay tuned..

I managed to get the sub wings built yesterday ...
Pretty straight forward construction so I won't bore you with details..( ribs. Sheeting, epoxy the tips)
And now on to finishing!!! Here is my "weapon" of choice:

3/4 oz cloth and Minwax poly...
Brush on a generous coat (the balsa will soak it up). Then follow up with two layers of fabric, then after that sets up I add an additional coat of poly..

Then comes the fun parts..
Lightly sand any high spots with 80-100 grit after it has all dried 8-10hrs.

Then mix up some baby powder/Minwax to the consistency of a milkshake and give it all two good coats .. This is the filler coat and will cover any weave present and small imperfections..
Also very nice when you sand it cuz it smells so good and come out "smooth as a baby's a$$"

Well, that's where I am now.. Got the doghouse finished and in primer


Oh, and I added the final tail drive brace for the cable tubing

Home of the "Sea Cobra".....

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03-15-2016 03:42 AM  33 months agoPost 87
coptercptn

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Mesa AZ. USA

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Home of the "Sea Cobra".....

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03-15-2016 03:42 AM  33 months agoPost 88
coptercptn

rrElite Veteran

Mesa AZ. USA

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Ok, went to the Phoenix Heli fun fly over the weekend and got my 53 all dialed in... Yeah!!!
So today its back on the Cobra build.
Managed to get all the glass cloth and poly on the fuse, finished up the stub wings and built the two turrets for the FLIR and cannon...

Home of the "Sea Cobra".....

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03-15-2016 04:33 AM  33 months agoPost 89
eyefly3d

rrApprentice

magnolia tx

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Looking good Jim

I don't always fly helis, but when I do I prefer to fly scale.

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03-15-2016 07:19 PM  33 months agoPost 90
coptercptn

rrElite Veteran

Mesa AZ. USA

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Got all the poly sanded and first coat of primer on. Heading to Home Depot for more MinWax and filling primer ... Then will give 3 good coats (primer) and begin blocking.
I still have to add Minwax to the turrets (ran out) then they are ready for primer..
But essentially the kit part is finished!
A bit more fit and finish items, and then "Details"!!!!!!!

Home of the "Sea Cobra".....

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03-15-2016 10:02 PM  33 months agoPost 91
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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That looks great Jim!!
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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03-16-2016 12:12 AM  33 months agoPost 92
doorman

rrProfessor

Sherwood, Arkansas

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Coming Along!!!
Jim you are a "wildman"!!!
Looking good, and really impressed with how quickly you have gotten it built... sweet
Barry, I am begining primer on yours tomorrow...

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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03-23-2016 11:21 PM  33 months agoPost 93
coptercptn

rrElite Veteran

Mesa AZ. USA

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Time for an update...


Here is the paint/graphics (thanks Callie) I have decided on ...
Now that being said, I still have to finish this thing.. So I got back to work this week...

First up was building these pesky exhaust diffusers..the kit gives you a couple of pieces of cardstock cut out to wrap inside the frames...
Well, I made one up ( first two pics) using the scrap cut out from the frames to sandwich the paper in and glue it.
But after I finished it, I though that it was way too fragile, and could see it easily being destroyed just removing the cowling...
So, I cut the paper off of the frames and used it as a pattern to cut two new sections from .030" styrene. I clamped the styrene to the frames and used a heat gun to "set" the styrene and help it hold its shape.....
This is very strong now and I am glad I made this "upgrade"!
Next on order was fitting the exhaust into the housings... The housings are rather large urethane castings and when I held the frames up against them for fit, it was very obvious I had some serious sanding to do....

Home of the "Sea Cobra".....

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03-23-2016 11:31 PM  33 months agoPost 94
coptercptn

rrElite Veteran

Mesa AZ. USA

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Here is the housing the exhaust fits into.....

And my "weapon of choice" to remove all the material..:


This was a gods send as it knocked this out in no time at all!!! I traced around the frame and removed material until I got a nice snug fit.
These parts won't be installed until after painting, but have to be fitted now....
So with those done, the stabilizers in place, and stub wings on ... It's ready for a finish job!!!

So, here she is!!!! I applied three good coats of primer for final blocking, and a 600 grit wet sand... It will cure overnight and tomorrow I will do all of that and start panel lines and rivets!!!

Home of the "Sea Cobra".....

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03-24-2016 02:19 PM  33 months agoPost 95
ssmith512

rrKey Veteran

Indianapolis, IN USA

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Whiskey's are my favorite and this one is freaking fantastic!!

Maybe we can fly formation at Dalton this year?? That would be cool!!

Steve

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03-24-2016 03:46 PM  33 months agoPost 96
Dr.Tim

rrElite Veteran

Mojave Desert

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Thank You Jim
For doing this wonderful online Build of our New 700 size "W" Cobra.
Sure was nice of you!

From Simple minds come simple ideas! Approach Engineering

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03-24-2016 04:03 PM  33 months agoPost 97
coptercptn

rrElite Veteran

Mesa AZ. USA

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Thanks Dr. Tim, Steve... Yes formation "whiskeys" sounds fun!!! And this build has been fun! It kind of reminds me of the good ole days of "stick building" watching something come to life in front of your eyes.....
I started on some details today... Will get pics later..

Home of the "Sea Cobra".....

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03-26-2016 02:46 AM  33 months agoPost 98
coptercptn

rrElite Veteran

Mesa AZ. USA

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So, today I finished laying out and taping up the panel lines...

Now, with that finished I was able to spray 3 good coats of filler primer on them and will let that cure overnight...
Tommorow I will pull the tape and wet sand w/600 grit ... Add some rivets, and time for paint!!!!
I also got the graphics from Callie!!! This thing is gonna look too cool..!
Now I just need some "stores" for the weapon pylons????? Hmmm....

Home of the "Sea Cobra".....

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03-27-2016 11:38 PM  33 months agoPost 99
coptercptn

rrElite Veteran

Mesa AZ. USA

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So today between waiting for my "Ribeye" roast to cool, I knocked out a few rows of rivets...got about 1/4 of the bird covered.. And did a little cosmetic work on the skids... Two more days should see it ready for paint!!

Home of the "Sea Cobra".....

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03-28-2016 04:13 AM  33 months agoPost 100
coptrdr2

rrApprentice

Huntsville, Al

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Rivets
What technique do you use for rivets? What you have done looks very realistic.

Ken

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HomeScaleAircraftScale HeliScale Helicopter Main Discussion Docs  Approach Engineering "Whiskey" Cobra build..
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