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Old Feb 19, 2014, 04:27 PM
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Happy|Harry's Avatar
Aberdeen, Scotland
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Custom 150mm, 130x and v120 & stretch builds info thread

there a a few members who have either custom or stretched 130x's, v120's or custom 150mm builds here on rcg but the info for these builds is scattered through many different threads and it is hard for people to find it, and as myself and a few others have custom 150mm builds in the pipeline i thought i would start a thread to hold the info in one place. so hopefully they will either link to their info or copy it into this thread

my own custom 150mm build is a mix of stock and aftermarket 130x, v120d02s and sp180 parts, i will detail the full build in the next few weeks (i'm still waiting for some parts to arrive) but the parts list so far goes like this

Microheli
130x rotary servo x frame
v120 tailcase

Lynx
130x tbs-r
130x ultraflex l/g
130x stretch boom supports

Rakon heli
130x boom support holder
130x canopy mounts
130x alternative tail servo mount

Xtreme productions
130x main Grips
130x v2 swash
130x oneway system and shaft
130x headblock
130x mainshaft collar
130x hardened A and B gears
V120 hardened B and C gears
130x hardened feathering shaft

for the electronics i'm using a castle creations talon15 esc, blue arrow do3013 servo's on both the tail and the cyclics, and lastly a gy280rx which is a dsm2 rx and vbar fbl system in one. the gy280rx arrived today and it's a great little unit, here's a pic of what comes in the package



included are the fbl unit itself, a voltage step up cable so you can use it on 1s systems, a usb programmer and usb cable, a programming box with lcd screen and it's own connecting cable, and a piece of 3M gyro mounting foam.

these gy280rx's use vstabi setup software so when you plug in the usb programmer you will see this



if windows doesn't find the driver automatically you will need to direct the driver install to your vstabi software install folder, the driver needed is in ~/vstabi_53/driver/vstabiusbdriver2/. once that is done it's simply a case of hooking it up to the rx, and then supplying power to the rx to connect it to the software, and then using it to set it up. you can also set it up by using only the programming box, and if yours is like mine it will arrive set to chinese language like so



the way to get it set back to english is to push any arrow key until you get to the 7/7 screen as pictured below



then press the enter key, then the down arrow to highlight 2/2



press enter again and that will start the highlighted selection flashing, then press the down arrow and it will change the option to english like so



then press enter again to confirm the change and that's it set to english. from what i can see all of the options are changeable with just the programming box, i just wonder if it can be made to work with other vbar clones?




also for those interested in these things here is an internal shot of the gy280rx



anyway that's enough from me for now, i'll update as i go along and hopefully the other stretch owners and custom 130x and v120 builders will post their info here too

phil
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Old Feb 19, 2014, 06:26 PM
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United States, NY, Amsterdam
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It's the Best of the Best of the Best 120 &130'S

Phil,
I was thinking that we needed the same thing. Something way from discussions of vibrating tails, stock controller setups and all the items which have been beaten to death on both the 120 & 130 threads. We'll since I'm not worthy, as for lacking 4 centimeters of disk diameter, I'll just post the link to my power worthy build here. Maybe after the weather turns nice here in upstate NY I'll give my Microbeast 3S 130X a shot Viagra Happy flying all and don't laugh at my disk.
Bob
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Old Feb 19, 2014, 08:44 PM
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Happy|Harry's Avatar
Aberdeen, Scotland
Joined Jul 2003
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bob I think that those issues and the solutions to them are well enough known now for both heli's that we don't need to go over them again, I think that this thread will be better suited to sharing info and issues that are relevant to custom 130x, v120 and stretch 150mm builds.

also your build is more than welcome here, in fact at 3s, with rotary servos and an aftermarket fbl unit it's exactly the type of build info that I was hoping to gather together. I have re-worded the thread title as I can see why you thought it was only for stretch builds but that's not the case, it's for custom 130x's, v120's and stretch 150mm builds. anyway linking to your build Info works, or if you have some spare time you could copy the info here also

phil
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Old Feb 19, 2014, 09:01 PM
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Great Idea, The v120 and 130X threads are long and continue to get longer. So a thread just for custom builds is definitely called for.
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Old Feb 19, 2014, 10:42 PM
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Here's a little contribution to the cause from me

If you are doing a 130x style swashplate, you are going to need to create a custom swash if you want proper interactions/geometry. I already have set it up so all you have to do is plug in the numbers. You go into the swash menu of the vstabi software and select the scholar hat to get to this page.

Name: 130x Swash.png
Views: 134
Size: 140.2 KB
Description:

If you shrink this image down where the the red lines are exactly the same size as your swashplate and place your swashplate over it you will see that the geometry is exactly the same. So this should indeed work properly.
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Old Feb 20, 2014, 09:07 AM
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Great new thread Phil, where did you get the gy280rx from? whats the expected auw for your build?
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Old Feb 20, 2014, 04:39 PM
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thanks guys, hopefully more builds and info will be posted as we go along, as i know there are a few custom and stretch builds already out there, one of them was actually my inspiration to build a custom 150mm heli, eh phil

joe i'm not sure on the auw, but i think it should be around about 10-20g heavier than a stock 130x, as the microheli frame is just over a gram heavier than the stock 130x frame iirc, then another 0.5 to 1g in the 4 servo's, 8g for the talon15, 4.8g for the gy280rx, then of course the extra weight of the bling, and the longer boom and blades, but the other guys who have completed their builds could give a better idea just now

i got the gy280rx's from goodluckbuy.com >> http://www.goodluckbuy.com/flybarles...st-module.html there are some other places selling it but as it's quite a new product it's not that widely available yet

phil
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Old Feb 20, 2014, 10:11 PM
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Just wondering here, why do most scratch builds use the 130x platform as the base? What makes the v120 frame less desirable since it's already got rotary servos to begin it and swash in the right place.
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Old Feb 21, 2014, 03:49 AM
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Originally Posted by joeclone View Post
Just wondering here, why do most scratch builds use the 130x platform as the base? What makes the v120 frame less desirable since it's already got rotary servos to begin it and swash in the right place.
I think the simple answer is that there are many more aftermarket parts and frames for the 130X. This is because some people dislike linear servos intensely and the tail problems of the 130X provided many opportunities for third party manufacturers. Also, some would like a larger 150 sized heli. However, if you are thinking of putting in the gy280rx, then the V120D02S platform would be a more sensible choice.
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Old Feb 21, 2014, 04:35 AM
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Originally Posted by joeclone View Post
Just wondering here, why do most scratch builds use the 130x platform as the base? What makes the v120 frame less desirable since it's already got rotary servos to begin it and swash in the right place.
That's why i like my v120d02s , i use stock frame and blue arrows metal gears servos but with stock servos didn't have problem either.
My setup is,
Robird g31 without case
frsky 6 channel micro receiver
3X BLUE ARROW D03013 servos
1xD03011 for tail servo
lynx tbsr tail boom
hp08 7600kv 2S bl motor with 12 t pinion
hk10 esc flashed with blheli
130x bullet blades and solo pro tail blades
130x canopy
I really like this helicopter now it's exactly what i was expected to be
The only thing that i don't like is that it's a little heavy with robird, rx and the extra cables but i use futaba tx so iam not able to use satellite
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Old Feb 21, 2014, 09:11 AM
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Happy|Harry's Avatar
Aberdeen, Scotland
Joined Jul 2003
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Quote:
Originally Posted by joeclone View Post
Just wondering here, why do most scratch builds use the 130x platform as the base? What makes the v120 frame less desirable since it's already got rotary servos to begin it and swash in the right place.
for me it was about battery mounting, and that the servo mountings and the rest of the frame is a more rigid design than the aftermarket v120 frame. but with that in mind i will also be stretching and going 2s on my v120 with a similar setup to Thomas, only I'll be using a bgl v3 and a spektrum sat.

as they say there are many ways to skin a rabbit, and they all work lol

phil
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Old Feb 21, 2014, 09:21 AM
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Originally Posted by joeclone View Post
Just wondering here, why do most scratch builds use the 130x platform as the base? What makes the v120 frame less desirable since it's already got rotary servos to begin it and swash in the right place.
I think it has something to to with the particular odor that emanates from the V120 series.



Seriously though, I think Zadaw is on the right track. Except i really just believe the 130X is more popular because it's not made by Walkera, and that trails with a "period" behind it.

It's not just that Walkera has a bad reputation with quality and reliability on previous and most of their helicopter models. Because Blade hasn't exactly been the most reputable with that either. But because Blade has their products in every single hobby shop in America and Walkera has limited distribution here. Naturally 3rd party manufactures like microheli would consider things like this. Now we could argue over the distribution of Walkera in Asia vs the distribution in America or whatever. But the fact remains, America is only 3% of the worlds population. But we consume more than 25% of it's resources. We simply spend more money on nonsense than anyone else. So statistics like that would indicate that no matter how widely spread Walkera has their distribution in Asia. With very limited distribution in America. I just don't think they can compete with Blade since their products are in every hobby shop, in every town in America. Honestly, there are only 3 hobby shops that i can drive to where i live within 30-45 minutes. All of them that used to carry Align have dropped selling Align now and only sell Blade helicopters. Which, i think says a lot about the direction things are headed for Blade in general and who the distributors for hobby shops are supporting. But it could just be circumstantial to my area. Who knows.

Also, the V120D02S has only dreamed of performing like the a 130X that is flying with old, weak batteries. The V120, with it's 1S configuration never inspired 3D pilots to buy it. Because there is only about 3 videos on youtube of anyone doing what "almost" looks like a "decent" 3D routine over the past 4 years. Even now with 2S upgrade motors and better gyros. I still don't see many people posting 3D videos of the V120. The few 3D videos of the V120 on youtube were flown by pros. While there are probably hundreds of fairly advanced 3D videos on youtube of just normal people flying their 130X, which not for nothing, has only been available for a year and a half. So i just think the 130X inspires a wider range of pilots to purchase it.
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Old Feb 21, 2014, 09:27 AM
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Originally Posted by Happy|Harry View Post
for me it was about battery mounting, and that the servo mountings and the rest of the frame is a more rigid design than the aftermarket v120 frame. but with that in mind i will also be stretching and going 2s on my v120 with a similar setup to Thomas, only I'll be using a bgl v3 and a spektrum sat.

as they say there are many ways to skin a rabbit, and they all work lol

phil

Yep, there is that too. The frame design is more like a traditional 250 or bigger. But the nicest thing is that the battery tray has more options and since it places the battery's weight along the center line of the tail boom, instead of under the belly. The 130X has better vertical CG. So it should roll more axially with less trouble (collective management).
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Old Feb 21, 2014, 01:09 PM
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For me, it's simply a LOT more options were available.
But honestly, what I'm building has no Blade parts. I'm simply building the best micro that was never available imho.
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Old Feb 21, 2014, 04:09 PM
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Gah, never mind.. I figured it out.

My GY280 arrived today. I was having problems logging in so i could download vstabi. Just in case anyone else needs to download the software. Just FYI, you have to register at the euro site, registering at mikadousa won't let you log into the vstabi site.
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