The war of the Vaterra Twin Hammers clones has been going on for some time now and still there's no end in sight.
Finally chinese ingenuity (insert big, evil grin here) produced something new a year ago. Probably by hitting copy'n paste in CAD one time too often:

The Feiyue FY06, also called Virhuck V02, a 6x6 rock racer. (At least sold as that)

Advertised specs didn't look too bad, so after I finally found a more than decent offer for 100USD shipped from Aliexpress I couldn't resist and jumped onto the bandwagon.

Fresh out of the box, not expecting much after some experience with chinese art of praising offers, I had a first run in stock condition to have any comparison to the modded result later.....
W.T.F!
At moderate speed this thing is hopping over the lawn like Feiyue had rabbit genoms breeded into it, any light corner makes it immediatly rolling over and playing possum , waiting to be picked up back on its floppy, shivering wheels.

That was to be expected, I guess...
Nothing left for a "rock racer" there.
The 6 wheeler chassis indeed does scream: "crawler", but with stock electronics it cogs like mad and can't go slow and powerful, too.

If you want to keep it as a rock racer type, you can find every needed info about this car and necessary mods spread in different threads, as there are:
https://www.rcgroups.com/forums/show...-Off-Road-Cars
https://www.rcgroups.com/forums/show...-6WD-Brushless
https://www.rcgroups....Continue Reading

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Walkera GA-006 - 4 channel modification

Introduction:
The GA-006 is a quite reliable USB powered mini charger. It has 2 independent charging circuits designed for a charge current of 330mA.
Some ingenious folks opened the case and discovered some hardware preparations for a later 4-channel version that never hit the market. This opened the possibility for an easy DIY upgrade.



Disclaimer
The following mod is quite old and came up 2012 here.
I've chosen to take these infos and add some own for an easy entry.
The mod works flawlessly for me.
Your mileage may vary, especially if you are not used to solder small (and Í do mean it!) SMD parts and overheat them without noticing.
Some size comparison you gonna be faced with:


So take care!

The following mod will immediatly void any warranty.
The OP is not responsible for any consequences that may occur.
You are doing this at your own risk.
The modded charger will draw up to 2A from your USB socket, depending from your chosen charge current version and battery count.
So be sure your USB socket can handle this! Do NOT use a computer USB socket!




Shopping list

Let's feel like a girl in a shoe shop: As one can imagine you will need a

• GA-006 - sold sometimes as HM-Mini CP-Z-18 charger.

You can get them on different places, I got mine from Banggood.

Then you'll need some electronic parts:

• 2 x G5242 lithium 4.2V 500mA Charge Management IC
• 2 x Losi Micro Connector 2.0 2-Pin with 50mm 24 AWG silicone wire
• 2 x red 3mm LEDs
• 4 x 1

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Finally I threw together my bigger fun case:
Made from a cheap aluminum tool case with tool inlay and some pick'n'pluck foam.
I just removed the tool pouches from the inlay and glued the foam layers instead.

Containing now:

• TH9x
• DSM-Module
• Flysky-Module
• HiSky-Module
• MQX
• Micro Q-Bot
• nQX/X4 Hybride
• small water level
• voltage checker
• X4 props
• LB props
• MQX props
• small screwdriver
• 10x 600mAh batts
• 8x 250mAh batts

It is my favourite case for all occasions, just take it out for hours of fun.
Mostly now sitting in my trunk for flying sessions at work

-mike-

My newest toy arrived - the HK Micro Q-Bot - basically a clone of the HiSky FF120.
It comes with an rebranded HT8 adapter, to connect with any PPM trainer port of any decent hobby grade transmitter and can be fired up via the TX or with an inbuilt 1s LiPo.
To use the Turnigy 9x's charging jack there are some changes needed, though.

First I took away the shrink tube of the adapter wiring:

Surprise, surprise!
1. V+ from power cord is feeded from the outer plug contact - the 9x has a center positive jack. So either change the jack or the wiring.
It gets worse: The red center wire is not only clipped at the servo plug end, but not connected in the banana plug itself also!!
2. GND is collected from the trainer port - somehow I feel about being this the reason for the lags often mentioned.

I decided to build a new cable.

First you have to enable the TX to deliver some voltage through the charge jack - a diode preventing this. You may bridge the diode and insert a fuse to protect the TX.
I bridged the diode with a switch, only to be triggered when flying the Q-Bot.


Now wiring up a new power lead (thanks to an old power supply for donating the plug)
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Just a new project - making the X4 frame FlySky compatible by implanting a H36 board.

Measurement confirmed - it will fit with some minor modifications.
Some things have to be changed:

1. The shell has to be reamed:


2. The board has to be cropped:


3. Checkup for fitting, some components have to be moved to the other side of the PCB.
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Hubsan X4 illuminated 1.0

The Hubsan X4 is the smallest RTF quad on the market (yet).
Due to its size (or lack of) and colour it has a quite low visual profile.
So flying outside - where it belongs - it is really missing some navlights.

This is my simple solution, I took:

• 4x 0603 LEDs: 2x blue, 2x red
• 2x resistors: 1x 22 Ω, 1x 47Ω
• 32 gauge magnet wire

Soldering the 0603 LED was a pain in the **s


Wired according to following pictures:
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9116 Direct Drive Tail

The search is over!
Finally, after 1 month intensive testing with two 9116 I'm able to present you a solution for fast dying tail motors:

The Direct Drive Tail Unit of a ESKY Honey Bee CP3

It improves the behavior noticeably, you will get MUCH more tail authority, you'll notice when flying FF right turns where the stock tail doesn't do much.

It is no real plug and play mod, but manageable even for the unexperienced.

You'll need:

• an old stock tail unit
• Esky Honey Bee CP3 Tail Motor 002445 3.84 $
• Esky Honey Bee CP3 CPX CT RC Tail Blade Set Black 002386 1.19$
• Esky Honey Bee CP3 CPX RC Tail Motor Heat-Sink 002447 2.00$ (You'll not need it - the motor barely gets warm in a 9116. But for optics)

Total - including shipping: 5.03 $ (at banggood, without heat sink)


Tools: Soldering iron, a little hacksaw, exacto knife.

Now the fun begins:

You have to mod the old stock motor holder according to the picture. Just cut everything away but the motor "cup".
As the original stock tail motor has flat sides, and the new motor is round you may take a Dremel and a fitting cutting head to the inside of the motor mount and make it round to get a perfect fit. (thanks to eagle-eyed Steve!)
But it works well enough without such perfectionism.



Solder the cables of the old OEM tail motor to the new motor.
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Double-Horse-9116-Trouble-Shooting.pdf

May it help a lot.
-mike-

Double Horse 9116
Troubleshooting

 


FOD
Frequently Occuring Damages

TX doesn't bind

You switched the heli on, the TX also, the beeping stopped but the red LED still is flashing instead of going solid?

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