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Scorpion Power Hitec RCD
goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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I know that a flying model is waaaay better than a perfect model...

so with this in mind... I finished the tail section... Servo connected (I know it's not the latest nor the gratest buit it is prooven and it works)
pushrod is set... so now this part is "ready for maiden...
All that remains is to connect the two pieces and finish the programing...

Klem

12-28-2016 10:34 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Looking good Klem! You're almost there, the maiden is just around the corner...
Barry

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

12-28-2016 02:20 PM
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ssmith512

Key Veteran

Indianapolis, IN USA

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Take it slow. Double check, then triple check, then put it away for a day and clear your mind, then come back and triple check your quadruple check.

Or be like me; spool up and give it a bunch of collective and see what happens!

You WILL be filming the maiden, right?

Steve

12-28-2016 03:01 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Thanks guys. I'm slowly but deliberatly moving towards the D day.

I'll check... then I'll double check.... and then I'll check some more...
and when the time comes.... I'll hit collective like there is no tomorrow....

Hmmm Steve I tend to fly alone. Tryed with my daughter filming the flight once (I thought I'd get her involved in doing stuff...somehow) but it turned out it would be better if I'd film it myself while flying the helicopter...
I also keep failing at training my dog to be the camera...dog. She keeps getting distracted by rodents, birds, butterflies and balls...

So no promises there...

Klem

12-28-2016 05:33 PM
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ssmith512

Key Veteran

Indianapolis, IN USA

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I understand completely.

Maybe setup a tri-pod camera mount for a decent wide angle view and at least get the initial take off and hover?

Dont mean to be so demanding, I just really like seeing these scale birds fly. And especially one like yours that has been a long time coming to get it in the air.

Best of luck on the maiden if we dont get to talk before then!

Steve

12-28-2016 05:59 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Steve I understand you completely...
I too like to watch these project materialize and become a real "flying object"...
maybe I'll find someone this time arround...

but in the mean time...I have another question for the Jedi counsel... and pelase anyone can chim in...

Currently I have a Vario 4 blade head... 12mm with an insert that makes it fit for the 10mm main shaft... it works OK...
I have 2 sets of Spinblades all black 800 size... perfectly ballanced...
I even ballanced the whole head on a dubro balancer...

This setup gives me the overall diameter of 1790mm....

Then I recently procuder this head... which is what Vario intended for this helicopter to begin with...
I also have the blades for it and this all gives me the diameter of 1610mm....

Maybe I am overhinking this...again but still...
Am I off and should change to the one Vario intended originally or is it OK to go with what I have already?

Klem

12-28-2016 08:07 PM
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ssmith512

Key Veteran

Indianapolis, IN USA

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My first response is to use the head that gives you the best scale appearance. I dont believe there are any significant performance benefits or disadvantages to using either head.

However, having said that. I have read, within the past year I think, on various forums, that availability of the two bolt blades that your second head uses may be an issue. I have zero hard information on this and am only relaying 2nd hand knowledge that may or may not be correct. I guess what I am saying is before you make a final decision on which head to use, do a little research to make sure that you can easily and readily get blades for said head.

Steve

12-28-2016 08:59 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Steve. Yes the blade choice was my first concern. Using a single bolt head gives me waaay more options than the two bolt head.
Initially I wanted to use spins for maiden and when the funds allow it I'd switch to heitec set. The two bolt blades... as far as I got the writing and discussions... Vario switched the blades to sharkskin ones. These are still available....

Appearance wise both heads are simmilar and do not look like the real one....

12-28-2016 09:21 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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There are benefits to using either head. The single blade grips are less bulky and look a bit more scale (especially on a Huey). With the 2 bolt head you never have to worry about blade bolt tension, as the blades can't move about on the bolt axis. So you don't have to chase down vibe gremlins related to bolt tension on the grips. You also eliminate any lead/lag, as the blades cannot pivot in the grips. Also, Joe Howard brought this to my attention years ago, if you have a bit of a hard landing with a 2 bolt head, the blades can't pivot and chop the tail boom. But you are limited in regard to blade choices...
Barry

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

12-29-2016 05:10 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Hmmm thank you guys. A lot of food for thought...
I'll think avout it a little and I guess I can't go wrong with either one...

Gh

12-29-2016 07:16 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Ok so I "won another battle" with myself and the desire for making it look real...
I know many of you did it before me and you were great with the advices...
so here is my solution to the problem: "How do I make the doghouse stick without any visible screws..."

I made a "new cut" and first intended to make the doghouse in three pieces... Not quite sure why Vario did it the way it did but none the less... I split it in half at the front part along "the seam", where the real halves meet...
I attached the middle piece to the back with a lot (and I mean a lot) of magnets... but am now thinking of gluing it permanently...

so... the front part attaches with a front lip... shown mounted from the inside and two wing nut screws one on each side. I will use a small amount of threadlock on these...

The back piece is held by four pins in the front and four (really) strong magnets on the rear part. It simply slides forward and it holds solid...

I do have quite some filling and sanding to do to make it look as it should but I do believe that the most important thing is now done..

All I am left to do now.. is to program the TX... and give it some air under the skids...
weather seems to agree with my plan... so far...

Klem

01-03-2017 02:00 PM
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ssmith512

Key Veteran

Indianapolis, IN USA

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Fly it! Fly it! Fly it! Fly it! Fly it!

Just your friendly weekly peer pressure prodding.

Steve

01-03-2017 02:27 PM
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Grimracer

Veteran

Eau Claire WI

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Something to ponder using golden rod.

Nylon shrinks and expands A BUNCH in the cold and warm weather. Just be mindfull.

Grim

Michael J Zaborowski

01-03-2017 02:31 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Grim

thanks for the heads up. I'll keep an eye on this...

Steve... thanks.. I need that...

Klem

01-03-2017 02:57 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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OK so with the temperatures well below freezing... I am working on the interior....
well and some exterior parts...

first I continued work on the tail hatch...
got the hinges on it and magnets to hold it shut...

the material I cut out is really thin and "for some reason" it flexes too much... I guess I'll fabricate a new piece out of evergreen....

But this is how it looks now...











01-22-2017 10:08 AM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Next I tackled the interior... I will switch out the csrews that they will be flush with the surface... but it is kind of hard to do with 1mm material..
but I guess I'll covr the floors with scale flooring anyway...

The front hatch already has magnets fitted (had to add the magnets to the project as I reduced their number when I glued two top pieces together...
It holds Jeti MAX BEC and "most likely both 2S batteries... Unless I'll fit them up front in the nose section...

The mid section holds the flight packs... currenlt have velcro fitted on the bottom... will fabricate some straps to hold it over the top as well...
the rest of the calbes will run underneath the flooring to the rear... but this part needs to be sorted out in the future..

I also fabricated both side structural supports, which will cover the cables running from the BEC to the FBL and receiver....
next thing is the lightning... which will also have a lot of cables... running back and forth but it should be fun routing them through the helicopter...

gh












01-22-2017 10:18 AM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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So... while I wait for the ice to stop falling from the sky....

I took to a whole different hobby...
I am computer half-literate, meaning I know how to use word and sometimes excel... I know how to send an email and post on forums... but this is about it...
so I thought to myself how about if I would draw my own parts for someone to print in 3D... and a few sleepless nights later I came up with this...

real cockpit as reference...

And what I draw up...



gh

02-01-2017 06:20 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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That looks great!!
Barry

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

02-02-2017 01:50 AM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Thanks Barry

made a slight modification and will have the holes where the gauges are



the whole idea is to have a backlit cockpit with "tiny...shiny... lights"

gh

02-02-2017 07:21 PM
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Thumper217

Senior Heliman

Slidell, LA - USA

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Nice work!

What program are you using?

Andrew

Thumper

02-03-2017 04:43 AM
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