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Posted by OmegaRedIsDMan | Jan 04, 2012 @ 06:54 PM | 2,808 Views
4G6 upgrade with v120D02S parts - part 2
Over the holidays I took my newly upgraded 4G6 to the field to finally get to test the new receiver out in a large open space. Everything was going fine at first. So I tried flipping it. It was one of my flights of the day. So the flip wasn't very smooth. Right after the flip the heli. started loosing power. Then it was lagging on responding to my inputs and it started going down. I fought it for a couple of seconds and then I decided to hit throttle hold while I was still a few feet off the ground, to prevent damage during the crash. Well that backfired. I saw something white go flying when the heli. hit the grass. When I went to pick it up I noticed one of the blades had broken off at the root. Also the pin holding the main gear had destroyed the part of the gear that was held in place on the main shaft by the pin.

A couple of days later I had the heli back together with the new blades from the V120D02s. While putting it back together I noticed that the cyclic servos were binding at the ends of travel. I also had to replace one of the servos. I adjusted the servo travel to eliminate the binding. Then I swapped out the battery connectors for micro deans. I took the heli up for another hover.
Here is what happened.

4G6 upgraded with V120D02S blades and rx, crash (0 min 31 sec)

Again I hit throttle hold and to try to reduce damage. This time the new blades were fine. However, since they are heavier...Continue Reading
Posted by OmegaRedIsDMan | Dec 15, 2011 @ 02:16 PM | 3,002 Views

I just finished installing the V120D02S RX in my 4G6. I copied the settings from my genius cp. Then hovered it only a foot off the ground. Still in ground effect. Even so I could tell it was much more stable but something was off. When I hit throttle hold the head speed would slow but the heli. would float up a bit first Turns out that my pitch channel needed reversing. It's a good thing I didn't try to do more than hover a foot off of the ground before finding that out

I also tried flying it with the rx in setup mode. Since I still have the flybar on that made it fly just like having the old 2609 rx in. Pretty cool to be able to switch back and fourth.

I'm still tweaking my tail gyro setup but even with the pesky vibration I have the tail holds much better in rate mode than I ever could get my 2609 rx gyro to hold. So far I'm impressed.


so I finally tracked down the vibration I had. Now flying my flybarred 4G6 with the V120D02 RX seems very smooth and stable. It will stay in the same orientation hands off for a few seconds. Since i'm flying indoors I have to put my hands back on and touch the pitch because its very sensitive with the high head speed of the TA915.

I have the Elevator\Aileron gain, and extent set to 10 o'clock. With these settings it felt like I had too much expo. So I went in to my 2801 TX and set expo to linear (no expo). That only made things slightly more responsive.

I just realized that when I originally set the two pots I thought one was for aileron gain and the other was for elevator gain. So maybe if I go back and increase the elevator/aileron extent pot, the heli. will feel more responsive