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Long Endurance Cooling Options
Log from Open Sky Anchor WiFi Drone Brings The GIG
One issue we must address is endurance running on these motors. Many pilots recommend resting between every few flights for cooling. This may just be superstitious for those who know they are pushing the limits of their motors with...

Cooling turbine for motors
Log from Open Sky Anchor WiFi Drone Brings The GIG
There are two versions of this, one CW and other CCW

Lots of prints
Log from Open Sky Anchor WiFi Drone Brings The GIG
I have several of the arms and joints printed with 4 shells and 15 percent infill. I printed extra in case of defects from 3D printing or just accents like a minor crash.

Destructive testing
Log from Open Sky Anchor WiFi Drone Brings The GIG
Ok so I have been testing out the dual motor design to find the points of failure. I use 8 pounds pulling from the end until the arm snapped about a inch from the end. Inspecting it further I can see this is for two reasons. One , because it is the greatest...

Two 500 watt power supplies
Log from Open Sky Anchor WiFi Drone Brings The GIG
here are the two power supplies with the aluminum casings removed to reduce the weight.

1st step prepping power supplies
Log from Open Sky Anchor WiFi Drone Brings The GIG
They he first steps in prepping the power supply boards after the case has been removed. A more open design means more airflow as well as adding more active cooling. The specs say the board is rated for 500 watts ,but the specs on the board indicate...

Reaming the props for perfect fit
Log from Open Sky Anchor WiFi Drone Brings The GIG
This is sort of uneventful, but there are tedious tasks you need to do when prepping any aircraft. Reaming custom props to match your motor shaft perfectly with no play is one of them. I picked up a reaming tool typically used for wood from Great Planes....

Bending Arms for Storage
Log from Open Sky Anchor WiFi Drone Brings The GIG
This is the fold down mount for the new arms. We already needed to design a new arm to mount two motors and props on each arm , so adding a folding feature would make it easier to store and transport as well.

Soldering the power distribution
Log from Open Sky Anchor WiFi Drone Brings The GIG
I really am not sure if I have the worlds worst solder or this soldering gun is giving up the ghost. I went through three tips and a bunch of flux. As far as looks go, this is not my best looking soldering job, but I went through and reheated each connection...

Kudos to a kids project for flying wifi router
Log from Open Sky Anchor WiFi Drone Brings The GIG
So this is a bit smaller of a project and does not involve long term flying, but it really is a tiny version of what I am doing. I found this kids paper and he has a website from a couple years ago. I think this was an engineering project...

Stacking the frames
Log from Open Sky Anchor WiFi Drone Brings The GIG

Top plate vibration isolation solution
Log from Open Sky Anchor WiFi Drone Brings The GIG
ok , so as I was previously indicating, I will use the second plate I have to make a raised platform. The temporary spacers will be swapped for custom vibration isolators normally used for camera gimbals. This also raises the sensors and gps module...

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