zx11ninja
Posts: 35
Score: 100
Joined: 5/3/2006
Last Login: 10/29/2012
From: Randolph, MA, USA
Status: offline
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Hi HeliStyle.
Here is the parts list for full brushless:
http://wowhobbies.com/1cellwakera43brushlessconversionpartslist.aspx
Please note that the Deans plugs are listed, but I ended up not using them, so I wasted a little money. Perhaps I can find a use for them.
With $10 in shipping, the total parts list should cost you about $145, if you get the more expensive electronic speed controllers. I did not get the "eBay" speed controller, as the parts list implies that the more expensive electronic speed controller is more reliable.
The wiring for the brushless conversion will require, in my opinion, good soldering skills. Please don't let my assessment scare off people new to soldering. However, I say that it requires good soldering skills, as some of the soldering is quite intricate. For example, the yellow wires of the two TheSteve converters must be soldered to two chips on 4#3B's 4in1 board. These chips are smaller than a cooked rice grain, and the pin to which you solder the wire is smaller than that. Even with the narrowest pencil point soldering iron from Radio Shack, the soldering presented a challenge. It required a very steady yet quick hand. With chips these small, the heat from the soldering iron can easily destroy them if you leave the iron on the chip pins too long. Basically, the solder that you will use to connect the wire to these chips should come from the small bead of solder used to tin your soldering gun tip. Then, just a quick tap (1 second maximum) on top of the wire while it is pressed against the pin, and it it soldered.
Luckily, if you connect all the common wires together, there are only four wire points to solder on the board. Those are the positive and negative battery terminals, and the two chips.
Also, I will say that you need good wire manipulation skills, as the wires on the converters are extremely small and fragile. I tried stripping a wire with my fingernails, and ended up breaking the wire, thus making it shorter. Ugh! For the remaining wires, I stripped them by carefully using a fingernail clip. The safest way to strip them would be to use a wire stripper. Even still, the wires are extremely thin and fragile.
Finally, you will need to have access to a fine bit drill, as you must widen the diameter of the hole of the pinion gear from the original main motor. You must do this, as the diameter of the brushless motor shaft is slightly bigger than the stock motor shaft.
I got my assembly inspiration for the upgrade from the following YouTube.com video:
http://www.youtube.com/watch?v=5FyJB-lf-HY&feature=related
As I have not flown my helicopter in weeks, I am eager to just finish this project. I too got tired of burning out motors. I burned out a brand new motor in one day.
However, if Walkera comes out with a metal upgrade to their 4G3 full collective pitch helicopter, I will have another opportunity to complete another full brushless project. For that one, I will take step-by-step pictures of my work and post them here. For now, I will simply post pictures of the finished project.
If you still want to do the brushless upgrade, and you are unsure of your own skills, perhaps you could pay someone a small fee to do the work for you. Even with a small fee of $50 or whatever, that still beats burning up motors. At burning up a motor a day, and each motor costs $5, I would be spending $150 a month to fly this helicopter. Therefore, it made sense to spend the money and go full brushless.
Well, that's enough for now. If you need help, please reply to this post, and I will be glad to assist you in any practical way that I can.
Take care.
-Z
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All Forums >> RC Helicopters >> Electric RC Helis >> Walkera Helis - Dragonfly, etc.. >> TheSteve Converter (Low and High Speed) Pinout 
TheSteve Converter (Low and High Speed) Pinout - 
