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Probably around -3.5 C.

I have given it some thought, but before I attempt that I want to fly both at the same time - enter similar waypoints but have one follow the other at a higher altitude and of course have separate landing spots.

I just moved to Loveland, Colorado - my house backs up to a golf course. This morning, I decided to fly one of my modified Elev-8 quads over the course as it was a nice, sunny morning but very cold - no golfers out on the course. I uploaded a simple waypoint mission - the aircraft was to climb...

Jeremy, regarding landing gear, I used nylon rods, which I bought on Amazon. They are stronger and flex which absorbs a lot of shock on hard landings:

I remember some time ago reading about parachute systems for drones - here a few links I found: https://fruitychutes.com/uav_rpv_drone_recovery_parachutes.htm?gclid=CjwKCAiAx4fhBRB6EiwA3cV4KqNyZEXyICmTIUfMuxVnQsxuCNy_WJmlvC3YOhgunKwlamqL5RDqWhoCkkYQAvD_BwE https://www.marsparachutes.com/...

I know what you mean about being gun-shy. After my two crashes I decided to give up, but like you, I had a bunch of parts laying around and I missed not having a flying video platform, so I decided to build a new one - the Tarot Iron Man. It was scary taking off yesterday, but it did fly. But...

I am curious about crash #3 as I had the same experience with two crashes myself - here is the video from one of them: Both, the modified Elev-8 and Tarot 650 Sport had ESCs mounted under the motors with power/ground leads running through the booms to the pwd harness in the chassis. I learned...

Well, I was searching through some old posts in a couple of forums - seems that this problem has cropped up in other builds. There was a lot of technical stuff being mentioned that seemed to do with code in the APM firmware, but since the posts dated back to 2013 or so I figured that any code...

So, this morning, the air was calm though somewhat cold but conditions were right for a test flight. Being it's first flight the objectives were to make sure all flight controls - pitch, roll, yaw worked fine. Then put the aircraft into Loiter mode and test the compass/gps; in Loiter mode, yaw...

Repairs have been completed. I calibrated the ESCs and redid the radio calibration. The compass appeared okay when I connected to Mission Planner but I did tweak the compass declination a tad to get the aircraft heading to match the compass on my iPhone. I also did the motor/compass calibration...

Good news! After weeks, which seemed an eternity, my new Hoobbywing 40A ESCs arrived! It will take a day or two to swap out the other three ESCs and install these, and put the aircraft back together, check everything and try again, weather permitting. Stay tuned!

Thanks for the link... looks compelling. I have some time to decide what to do - may go ahead and begin the build as I don't need the f.c. until later. Only concern is I have limited room and if I get started with this build and my ESC arrives next week, I'll want to switch projects as I'm hot...

So, while waiting for a replacement ESC that I burned up in my Tarot 650 Iron Man, I was going through my box-o-parts - stuff I had ordered some time ago as spares for my Elev-8's ( I had two), such as motors mounts, and parts I salvaged from a crash - three booms, chassis plates, misc...

Hmm, guess Brexit has far reaching implications!

Uh, sorry if I didn't indicate that I am using 40 A ESCs. The Motors can draw up to 38 A at full power but I don't intend to run them that hard - this is strictly going to be a flying video platform with no undue stresses intended. The manufacturer recommends 40 A ESCs and that's what motivated...

Well, first flight ended in failure. After arming, I started to advance the throttle and the aircraft immediately toppled onto its left side and spun around clockwise - looked to me like loss of power on the #3 motor (front left). The aircraft remained upright and smoke started coming from the...

I have good news! I solved my arming problem - turns out that the ESCs are okay after all. I successfully calibrated each ESC individually and reinstalled them and put the aircraft back together. I discovered that there's a new feature in Mission Planner called Compass/motor calibration - it is...

Yeah, I saw that in the specs, but the T-Motor site also shows 40 A ESCs with this motor: http://store-en.tmotor.com/search.php?encode=YTozOntzOjQ6InR5cGUiO3M6MToiMCI7czo4OiJrZXl3b3JkcyI7czo2OiJNTjM1MjAiO3M6MTg6InNlYXJjaF9lbmNvZGVfdGltZSI7aToxNTQ0MDU0MzExO30= And I don't plan on running at max...

Short note: ESC calibration failed as well as my attempt to arm the aircraft. Mission Planner offered no clue as to the problem. I suspected something wrong with the ESCs. So I took the aircraft back to the dungeon and removed the top chassis plate to get to the power distribution wiring -...