Questions tagged [drone-frame]

For questions about the physical design, materials and manufacturing of a drone frame.

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How to calculate total moment around Z-axis when the armlengths are not the same for all motors on a hexacopter?

I am trying to build a mathematical model of a hexacopter where armlengths (distance to the center of mass) are not the same for all motors. I have the datasheet of the motor I plan to use together ...
trxrg's user avatar
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Which DC motors (or others) are good enough for my multi-function drone?

I am planning to make own drone which flies and dives (Some servo motors used to change between fly and dive-mode). But is a normal DC motor or a micro motor good enough (It flies and dives under tens ...
NearEternal's user avatar
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Difficulty with purchasing drone frames

Recently I purchased the following five inch frame to house my BR2212 2200KV brushless motors from racestar: The arms of this frame contain slits that are too small for the screws used on the base of ...
Sanchez2009's user avatar
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Are there any high-fidelity open-source drones?

Are there high-fidelity open-source drones out there? We're looking for some models-- aka digital twins-- to run through some simulation models, in order to analyze them for full system performance. ...
Kenn Sebesta's user avatar
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3 votes
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Where to find dimensions for DJI Phantom 3 gimbal?

Basically I am trying to make my own drone with carbon fiber rods and 3d printed connectors. I have selected a battery, motors, propellers, etc. I also have a DJI phantom 3 drone which I would like to ...
Simon Fox's user avatar
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2 votes
1 answer
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Are all drone motors equal

I am now planning to buy a drone kit - A very light weight toy grade types. Know very little on this subject as of now. Before doing that I have a few questions. Can we assume that if there are four ...
Raster R's user avatar
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3 votes
1 answer
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Will a heavier drone frame help in avoiding toppling. (Not using receiver yet)

I have these coreless motors and propellers. I created two kinds of home made drone frames. I am not currently using any receiver. I arranged the motors so that diagonally opposite ones turn in same ...
Raster R's user avatar
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3 votes
0 answers
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What is the compatible drone frame for

I have four 3.7v coreless motors. The motors have a diameter of 7mm and length of 17 mm, with 45 mm propellers. What is the compatible drone frame kit for this?
Raster R's user avatar
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5 votes
1 answer
610 views

why do drone frames have spaces and holes

This may sound like a very dumb question, but I am building my first quadcopter and I just realized that some frames have these perfectly symmetrical holes/spaces. I used up all the screws on mine, so ...
Ahmed Anwer's user avatar
4 votes
1 answer
88 views

Can something be mounted underneath a quadcopter rotor?

I am a bit of a beginner, so I don't fully understand the way the air flows around the rotors in a quadcopter. My question is in the title, and I am basically wondering if something can be mounted ...
figbar's user avatar
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5 votes
4 answers
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Is superglue (cyanoacrylate) a viable means to repair quadcopter frames?

One of the tiny struts holding the rotor on my TinyWhoop Nano broke (surprise!) and I've used superglue (cyanoacrylate) to bond it back together. I don't know yet if this fix will be suitable or not, ...
JYelton's user avatar
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2 votes
1 answer
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F450 frame all legs are not stable

I have one of the so called popular F450 frames. Not the original dji one, but chinese part. Now, I have assembled motors and ESCs. The assembling process was harder than it should be, probably ...
muyustan's user avatar
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14 votes
2 answers
5k views

Is it better to have a bottom heavy quadcopter or a top heavy quadcopter when it comes to a quadcopter stability?

Does it matter where the battery is mounted? Or is it best to have the centre of gravity aligned with the propeller plane where the thrust is generated?
Diamondx's user avatar
  • 333
7 votes
4 answers
2k views

How does frame stiffness affect a quadcopter?

When choosing a frame for a drone, something I hear mentioned occasionally is how flexible the carbon fiber is. It seems that the general opinion is: more flex in a frame is worse. How would having a ...
Jacob B's user avatar
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18 votes
8 answers
6k views

What is a good alternative to carbon fibre for a quadcopter frame?

I am making a diy quadcopter and I need a strong and light material for its frame. Carbon fibre is not available in my area. I have tried aluminium but it's too soft and so needs repairs. What ...
Himanshu Mahara's user avatar
1 vote
3 answers
1k views

Difference between T700 carbon frames and 3k carbon frames?

I have heard that iflight's Green Hornet uses T700 carbon instead of 3k carbon. What difference does the new T700 carbon make?
Jacob B's user avatar
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3 votes
1 answer
365 views

Effect of Deadcat frame on performance?

I've seen a lot of new frames with a Deadcat style because it keeps the props out of view for cinematic videos and such. Does the Deadcat shape of frame have any effects on flight performance?
Jacob B's user avatar
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6 votes
2 answers
2k views

What is the advantage of a stretched-X frame over a true-X or squished-X design for racing?

Most racing frames on the market appear to be stretched-X (longer than they are wide). I have heard the argument that a stretched-X allows better airflow to the rear props due to physical distance, ...
Ben Wilson's user avatar