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Things are going much better now. We turned the gains down to what was recommended above and lowered the motor idle speed in the A2 Assistant. The motors with the huge props are so powerful that even at idle it almost takes off which makes it very tippy on takeoff and landing. I strongly...

Thanks for the tips!

I am still having trouble with the settings on this thing. It is very "wobbly" in the air and I have to turn my gains way down in order to get any stability at all. Kind of frustrating. Does anyone else have a similar configuration that I could compare notes with? SkyJib X4XL with KDE 5215s...

Aeronavics kindly sent me replacement motor mounts that are all machined perfectly for the M4 bevel head bolts. I just finished assembly and am ready for further flight tests tomorrow. I had some issues with the retractable gear too and they fixed the problem there too. I finally feel like my...

Wow, thanks for the report. I was considering a visit next time I was in New Zealand. Now Aeronavics is on the list for sure.

Things are going well. In flight test mode right now which is always exciting and a bit terrifying. Hope to have the Red airborne in a week or so.

Yes, it turned out that Aeronavics did send mounts that had one of the four slots machined wring (no bevel inset) and they sent replacements. Now 4 X M3 bolts will hold each motor on. Lots of strength and the same all around.

Here is a time lapse I did of the build:

She is a beauty! What are you planning for landing gear with your build? The Aeronavics long retracts or?? Finding ours a little "tippy" with the long gear when we land. It will get better with weight below I suppose but I would hate to see her tip over and damage those expensive T-Motor 18"...

Password is "skyjib". It should play then. Let me know. That was the first flight so we didn't go far...

Right now I am "flying naked". Well, I'm not naked but the SkyJib is... Sorry! I realize this is not the way it will be for long but for the first few flights I don't want to tax anything to much in case there is a stupid little problem. That and it is -15C here and it kind of sucks to fly...

Got it. Thanks for all the great info!

Yes, I don't tent to YAW forever on my shoots either. I do like to test all functions of a new machine prior to strapping thousands of dollars worth of cameras and gimbal to it though. I have performed the same test on octos and hex machines and never had this dramatic of a result. Is there a...

My top props spin counter clockwise and bottom clockwise. This is the ONLY quad coaxial configuration I see in the A2 assistant software. What controller are you using to do the reverse? All my props are are 18" long with 6.1 pitch. These props were what was what was recommended by both the...

I wonder if the instability during prolonged yaw is due to so much air moving under the rig. I find that all my bigger birds get a bit unstable when I don't move around horizontally and drop vertically or sometimes even when I stay in one place. I have gotten in the habit of always moving...

I just built my first coaxial. It is a big SkyJib X4XL and I am doing my first flights with it. I find it flies a little differently then any of my other UAVs and I wanted to see what other people were finding with their rigs. I find it yaws quite slowly for one and when I continue rotating a...

Got the basic assembly all done this afternoon and did the maiden flight. There were a few problems with the build and some modifications to do still but she was flight worthy and all went well. The long retractable gear had a manufacturing defect. I guess I was the first shipment of a...

Anyone know how $$$?

That is scary! Perhaps even more scary with the A2 which appears to be harder to "open up" and inspect. There is an aspect to this sport/business/whatever that does terrify me. We are so dependent on the technology 100% of the time to keep the birds in the air. I lost my first big hex and I...

Here are some photos of my progress thus far... I am doing a time lapse video for fun as well but that is not done yet (obviously).