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Took the Tarot outside and fired it up - was able to arm and run the motors. Didn't take off - just wanted to make sure that I can arm okay. I'm waiting on servo pins that should arrive sometime today to fix the gimbal leads and hope to have it fully functional. Elev-8 is a crap shoot... May...

It is the same but mine does not have the pin indications that you show. Maybe I have a knock off or an earlier one??

Solved the Flight Mode problem! I'm using a Spektrum AR8010T 8 ch receiver. It has two rows of ports and it does not indicate which pin is the signal lead. I figured out by trial and error that the ground pins are on the top of row one. The flight mode plug goes into row 2 and I mistakenly...

I like having the ability to switch to RTL in case I get carried away and lose orientation - I can always take over manually once it is close enough. Yeah, I know how to figor how which way it's pointing when you lose orientation, but this makes it so much easier. Also, I like flying waypoint...

I seriously don't know what I did to perturb the cosmos, but it must have been something serious... I took my two quads out for test flights - my Tarot Sport, to do a video shoot to test out everything - landing gear retract, adjustment to the gimbal (to get the horizon level), and endurance...

Was in the Army from 1972 - 1975; was a radar repair guy.... Always wanted to get a Heathkit but never did... One of my many regrets...

Practice evasive maneuvers - is there a Top Gun school for drone pilots?

You didn't mention what kind of flight controller you are using. I am only familiar with the APM F.C./autopilot and can't offer advise on others, but I suspect that all must go through a similar set of calibrations. For mine, I have to the the following: Accel/IMU - which side is up, down...

I have built several multicopters and there is something about building your own that is great. But you have to be very careful about the building process, especially soldering - I've crashed a couple of times due to losing power from a bad solder connection. A recent devastating crash is still...

A footnote: I just returned from a trip to Singapore to visit my son, his wife and their brand new baby. Anyway, while there, I ordered an FPV camera and video transmitter from Amazon - want to try out the FPV experience using the Elev-8. The components arrived before I did, and this morning...

Success! I bought an unused APM 2.6 from a neighbor, installed the firmware and went though the configurations - it works! I can arm and disarm at will.

I remember watching this video back when I first started using APMs. Unfortunately, it is no help - I'm in Stabilize mode, I've successfully completed the radio calibration as stated previously, and the APM has to be communicating with the radio, otherwise it would not know that I'm trying to...

I have an APM 2.6 controller on a quadcopter that I recently rebuilt. It has flown successfully a couple of times, but arming the motors is a hit or miss affair. Several times, the motors fail to arm, so I removed the props, brought it into my home, powered it up and established a telemetry link...

The following video pretty much covers what I posted here but also has video of two test flights:

I will try to get some video this morning - will fly a waypoint mission and use a camera mounted on a tripod. BTW, I managed to find some thrust data on the Tarot 4002 620KV motor - specs are hard to come by but a Russian guy ran a test on YouTube: Here is the thrust/current curve along with...

I had success today! I had to replace flight controllers and a balky engine (#3), but after all the APM configurations, I was ablle to get it to arm, fire up the motors and disarm. So I installed the propellers and took it out to a nearby parking lot. It armed after getting GPS lock and I took...

2 and 3/8 inches measured center to center => 60.325 mm

February 21 Status: I had to open up the bottom chassis plate to reposition the APM power module in order to get more slack to the leads going to the APM itself. I also had to get more slack to the wires going to the #3 motor. All that done, I leveled the motors and tightened up the mounting...

I could not get video from the aircraft. After a fair amount of troubleshooting, I decided that the vtx was bad and so I ordered another - a 600 mW unit (I wanted more range anyway). When it arrived and I wired it up, I still could not get video. The Feiyu-tech gimbal is made to minimize loose...

February 18 Update: The remaining wire I needed arrived yesterday and I was able to complete routing power through the booms to the motors. But there's not much space in the chassis. I had to pretty much take everything apart in the chassis and try to put it back together - here is the...