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How well to fixed wing planes follow routes with intermittent GPS?

The drift rate on internal gyros has been reduced since the first generation Pixhawk, and the extended Kalman filter has been improved. How has this effected the ability of a plane to follow routes? How often does it need GPS in order to keep flying in the general direction? If a plane thinks it has passed through several waypoints, and then GPS kicks in, does it just null out the systematic error and then proceed to the next waypoint? I am designing a long range flight with companion computer…

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Started by Ronald Pandolfi
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How To Balance Large 17

The maiden flight of my Tarot Sport didn't go well. It was very unstable and ended in a hard landing causing some minor damage. I recorded the flight with the onboard GoPro and upon reviewing the video I could see that there was significant jello effect suggesting excessive vibration. So, I decided to try to check the balance of the propellers. The problem is that I cannot use the typical balancing tool as is: The Tarot propellers do not have a hole all through the center:I hit upon a solution.…

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Started by Brian Buckmaster
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Retro Tarot Sport Quad Build

I have pretty much completed the build of my Tarot Sport Quad:This has been the most troublesome build I have ever undertaken. Aside from mistakes I made, false assumptions, buying some used equipment online that didn't work for me, I had quite a number of challenges to overcome. At this point, the aircraft is ready to fly, but I'm waiting on a preprinted FAA ID sticker to apply to the airframe as well as a replacement gimbal that I need to cannibalize (I damaged the 8 pin ribbon cable that…

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Started by Brian Buckmaster
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What parts will be needed for DIY an agricultural drone weighing ＜25kg?

First of all, choose an light drone frame is very important.The load capacity , wheelbase and drone arm diameter of the frame will decide the motors, propellers and battery models.Therefore, it is necessary to understand the parameters of the frame in advance.Then prepare the following accessories. Please make sure weld the plugs of motors, water pump, and FPV camera in advance.If you want to assemble a 10L agricultural spraying drone, and the total weight of the full load is less than the…

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Started by Assembly Dronenthusiast
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