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HelicopterScale Model RC Helicopters Docs  Big Huey 212
Mojave

Elite Veteran

Palos Verdes, Ca. USA

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So, I bought this turbine sized (1/6 scale) Huey 212, turbine electric mechs and scale head from Joe at ECSH last year. Up until now, I haven't had time to start the build. So here we go...
The skids are not pre drilled, so I made a pair of drill bars that locate the holes on center for the turbine/electric mechs hole pattern. Squared it all up on the top of the LG (using the mechs as a guide), then hot glued it all in place on top of the LG. This holds the drill bars in position while drilling and allowed me to drill the holes perfectly perpendicular to the skid tube and on center. Then I just removed the drill bars and opened up the holes to fit 4mm LG bolts. Then squared up the LG on the fuse and repeated the same process of hot gluing the skids to the fuse and transferring the holes. Stay tuned...

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

12-21-2016 03:31 AM
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BrooklynJim

Heliman

Starlight, PA

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subscribed, very interested in this build as i was looking into that same fuse some time ago

12-21-2016 05:24 AM
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chopper37

Veteran

FL350

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Subscribed, you can never have enough Huey's

12-21-2016 10:24 AM
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Heli143

Elite Veteran

Phenix City, AL

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subscribed.

this is going to be good!

Roy Mayoral

12-21-2016 12:03 PM
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old nitroman

Senior Heliman

Naples florida

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I'm in

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

12-21-2016 01:21 PM
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ssmith512

Key Veteran

Indianapolis, IN USA

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Sweet! A Barry build! I've got my notebook handy, I'm ready for some learnin!

Steve

12-21-2016 01:22 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Got to love the huey....

Gh

12-21-2016 02:13 PM
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Grimracer

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Eau Claire WI

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Subscribed...

Grim

Michael J Zaborowski

12-21-2016 03:29 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Yeah, this will be a fun build. The Vario electric motor mount wasn't in stock when I started the build, so I machined my own mount from 6061-T6 aluminum. It took a little bit of math to get it all dimensioned out properly. Here are some pics with one frame side removed to show detail.

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

12-21-2016 11:06 PM
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chopper37

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FL350

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Looks great, must be nice to have the ability to machine your own parts.

12-21-2016 11:44 PM
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cobieg

Heliman

Florida

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Barry, that is looking fantastic. You know, if you lived closer I would paint it for you lol.

Ron

I didn't crash. I just ran out of airspeed, altitude, and ideas all at the same time!

12-22-2016 12:44 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Chopper, yeah I'm spoiled by the ability to sneak into the company machine shop...

Ron: Thanks bud. That's it, I'm moving to Florida. Cuz I hate painting...
Barry

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

12-22-2016 02:20 AM
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MDSCUSTOMS

Senior Heliman

North Wales, U.K.

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Love Chopper37's comment and can totally agree with it. Out of my scale machines the only thing missing was the Huey. I got a 600 size Huey 1D Fuselage just a couple of months ago (I've always liked the "Slick" ) and thought that was it, I finally have my Huey.

That soon changed as I now have a 1C model in same size which arrived yesterday. I only bought it for the mechanics inside for another project and intended to sell the fuselage off but, the more I look at this one I am deciding it is also going to be a keeper.

Luckily I do have some spare mechanics looking for a nice scale home so all is good.

Mark

I'm only here coz I'm not all there !!

12-22-2016 03:38 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Hey Mark, agreed 100%, you can never have enough Hueys...

So, this scorpion motor had a 10mm shaft necked down to 6mm for the pinion. Stock drive products doesn't have this gear with a 6mm ID. It was much easier to modify the existing gear than to make a new motor shaft. So I spun up a press fit bushing for the gear and pressed it in place. Then drilled through the gear hub and bushing and tapped the holes for the grub screws. Worked like a charm...

Current status: the windows and doors are cut out, mechs are fit and she's on the skids. I left the smaller door openings uncut for the moment, as I'm not sure how much material that I want to keep in place. I always drill holes in the corners of the window openings. Sharp corners in composite materials tend to be where cracks propagate from. So, if you leave a radius in the corner, they typically won't crack over the long haul. I also put a 12" scale next to the fuse for a size reference.
Barry

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

12-23-2016 02:45 AM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Barry will you make the tail removable (like Ian does in his builds) or will it be firmly fixed on the body?

Klem

12-23-2016 06:41 AM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Hi Klem,
the tail will have to be removable. The heli is 7'4" long and my truck bed is 6'2"... This one is easy, Vario designed it to be removable, so I don't need to figure it out.
Barry

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

12-23-2016 03:56 PM
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goodhunting

Senior Heliman

Slovenia ... somewhere in Europe

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Hi Barry
Will be interesting to see how you'll do this. I have a dream... to build a larger 412.... someday....

Klem

12-23-2016 09:48 PM
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sean911sc

Veteran

SoCal

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Hope to see this at HSM.

Sean

12-24-2016 05:08 AM
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coptercptn

Elite Veteran

Mesa AZ. USA

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Looking good Barry... I'm getting some strength back and I think I have my engineering issues sorted out, so I should be back on my build next week!
Also, have the rotor head finally being made...

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

12-24-2016 04:24 PM
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Mojave

Elite Veteran

Palos Verdes, Ca. USA

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Thanks Jim. I 've been busy installing a supercharger in my Mustang, so I haven't worked on the Huey very much until today. I started on the woodwork for the nose. It's all tacked together and will be final bonded with Hysol later. I also started drawing up modified mechs frame sides. I'm flying this heli on E-Power, so I don't need the extra space under the mechs for the kero fuel tanks. I plan to make the side frames low profile, so I can build a full cabin behind the pilot seats. The lipos will be mounted under the floor, well in front of the main shaft. Hopefully this will give me enough weight in front of the main shaft, so I can get rid of the monster steel nose weight that Vario gives you in the kit. I'm machining an aluminum piece to take it's place. More on that later... I took a pic with my feet in it, just to give an idea of scale size.
Happy New Year,
Barry

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

12-31-2016 03:13 AM
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