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Scale Model RC Helicopters > RC Aerodyne 450 size UH-1 tail questions /Anyone built one of these?
 
 
splitboarder
Heliman
Location: San Diego, California

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Hey, thanks for the pics guys. Now I know what I have to look forward too. I have a couple of questions I hope you can answer

I have the civilian model

Did the screws you used to install the front windshield come with the kit?

And gluing in the windows- do I use CA glue? And is there a method to put them in like masking them with scoth tape first or anything? Im new at building scale and I dont want my first build to look like........well , my first build


And the plastic gears for the tail-did you swap them out to metal?
11-10-2009 06:24 PM
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doorman
Elite Veteran
Location: E.Berne, NY

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First Build

Quote 
Did the screws you used to install the front windshield come with the kit?

And gluing in the windows- do I use CA glue? And is there a method to put them in like masking them with scoth tape first or anything? Im new at building scale and I dont want my first build to look like........well , my first build


And the plastic gears for the tail-did you swap them out to metal?

splitboarder
Lets see if we can help you out a little bit....
There are screws in the kit that can be used for the windshield, but I have a selection of differnent sizes and that is what is on my civilian unit... Hobby shop and look for train hardware.. they usually have quite the selection of small screws.... Mine are #0 x 3/16
The glue for the windows... do not CA them.. this can fog them ....and foam safe CA might not fog, but just doesn't seem to hold well on F/G, so we used Formula '560' Canopy glue made by Pacer.. it is a white glue that dries virtually clear, so you will not notice any minor mistakes "too much".....and I like to use the blue masking tape used for painting to hold the windows in while the glue dries overnight....
And while you are at your LHS... Pick up a pack of Self Adhesive Lead Weights... it took about 1 1/2oz in the nose for the proper CG with the battery installed.... and for the tail rotor push rod pick up a package of Sullivan Gold-n-Cable #508... and use that to run to the tail actuator....(we can post more pics if needed) And that should just about do it for the little extra items that you will be needing...
As for the plastic tail drive gears... the new metal units are on the way!!!!! And I am going to play with the tension on the belt a little more this time... I am thinking that I had mine a bit tight....
Hope this will help you out and feel free to ask if you should have more questions.....

Stan

Team Hirobo/MRC --- RCLIGHTS.NET ----- If there is a cure for this, please don't tell me about
11-10-2009 10:35 PM
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ea01bg
Heliman
Location: Berne , NY

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Tail gear

But the piros mine did where so pretty

You had me at hover
11-11-2009 12:50 AM
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splitboarder
Heliman
Location: San Diego, California

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are you speaking of the plastic "will fail" drive gears on the HK450 that come with the heli? Mine failed too. half way thru my second pack
11-11-2009 06:00 AM
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doorman
Elite Veteran
Location: E.Berne, NY

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Tail Drive Gears

Yes that does seem to be the weak link.. So we are changing them out to metal and will continue testing...

Stan

Team Hirobo/MRC --- RCLIGHTS.NET ----- If there is a cure for this, please don't tell me about
11-11-2009 11:06 AM
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ea01bg
Heliman
Location: Berne , NY

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The Align plastic failed as well

Mine had the Align plastic gear but it didnt hold up much better.
In fact if it had spun sooner I'd still have landing gear

You had me at hover
11-12-2009 05:04 PM
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splitboarder
Heliman
Location: San Diego, California

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Yeah, after loosing the first plastic one, I only go metal on the drive and tail gears

How did you guys attach the heli frame to the fuse? Got a couple of pics?

Thanks
11-16-2009 03:43 PM
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doorman
Elite Veteran
Location: E.Berne, NY

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Mounting Info...

Here you go splitboarder.... sorry it took me so long to put these up....
As you can see, I changed the mounting screws to 2.5mm bolts with nyloc nuts that I ca'd to the frame after cutting away the "little" humps that the original screws went into.....
I did use the holes as supplied and it seemed to work fine..
I also added 1/16" plywood across the bottom of the frames, also ca'd to the frame.... I used a single thickness at the rear and double at the front.....by doing the set up this way, it is a very simple and easy install and remove if need be...
All you need to do is to remove the top rear bolt at the 45 and remove the tail case, the four front bolts and out it comes....
The original tail boom needs to be cut to 30.8 cm... (Thanks ea01bg)
Do the belt tension while out of the fuselage with the 45 attached and all working, and tighten it all up... then pop the tail case and the top bolt at the 45 and you will have it....
You will also notice the brass tubing running up to the side frame from the top of the servo tray on the left side, and on the right side it goes to the bottom of the fuselage floor with a piece of 1/16" plywood and epoxy... makes for a nice smooooooth flier!!!!
I did also, as you mentioned, cut the doghouse top rear so that the anti-rotation pin would not hit.... added some Xtec Lighting, some screen in the sides and front and there you have it....
This is one nice little heli, that looks GREAT just tooling around our indoor area, and no reason not to fly it outdoors either.....
Good Luck, Stan



Team Hirobo/MRC --- RCLIGHTS.NET ----- If there is a cure for this, please don't tell me about
11-17-2009 11:11 PM
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splitboarder
Heliman
Location: San Diego, California

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Thanks a bunch Doorman. It took me a while to figure out how you would mount this thing. Love your brace for the tail rod also. Sweet looking bird. I was also going to add the screen. Nice touch

Thanks for helping out a newbie. Maybe I will have mine flying by the weekend. ( But snow may be falling in the beloved Sierra, which means I must head north to greet it)
11-17-2009 11:19 PM
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ea01bg
Heliman
Location: Berne , NY

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Thats not the rod that came with the fuse. Its Sullivan Gold-n-Cable.
Much better for the bend to the tail.

You had me at hover
11-18-2009 12:31 AM
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Scale Model RC Helicopters > RC Aerodyne 450 size UH-1 tail questions /Anyone built one of these?
 
 
splitboarder
Heliman
Location: San Diego, California

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Yeah ea01b, I pick up that yesterday along with some 1/16 plywood. Again I cant thank you and doorman enough. If i would have tried to follow the instructions that come with the kit I would have most likely been out 89 dollars .

Now if I could just find the time to work on it
Damn Work is always getting in the way
11-18-2009 04:49 PM
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Scale Model RC Helicopters > RC Aerodyne 450 size UH-1 tail questions /Anyone built one of these?
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