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What is under the hood :)

Lifeisfun

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This morning someone on FB posted some pics what's under the hood of the S2
His S2 would not finish calibration.
I thought that it could interest others.
In the last pic you can see the camera assembly between the main board and the camera. The other is mirror image on the other side.



s5.jpg s6.jpg s3.jpg
Those NO STEP markings are priceless :) Now we know this is true Aircraft!

s1.jpg s8.jpg s7.jpg s4.jpg
 
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skydioconvert

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Thanks for the very interesting post....first I've seen of this little guys innards.

I'm not into FB but should you run across any assembly or disassembly videos they'd be most welcome.
 

Lifeisfun

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Thanks for the very interesting post....first I've seen of this little guys innards.

I'm not into FB but should you run across any assembly or disassembly videos they'd be most welcome.
Nothing to it, remove those 6 screws on the bottom and sandwich will come a part.
 

skydioconvert

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That's the easy part but I was looking for a much further tear down....the Mavic's had some full length videos spanning quite a few minutes actually showing disassembly down to the individual board levels.

One of things I'm most interested in is the S2's antenna which didn't appear to be shown in the pic's.
 

Lifeisfun

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That's the easy part but I was looking for a much further tear down....the Mavic's had some full length videos spanning quite a few minutes actually showing disassembly down to the individual board levels.

One of things I'm most interested in is the S2's antenna which didn't appear to be shown in the pic's.
Clearly shown in the last pic, and I did describe it in the text
Easy to take it a part like a laptop or smartphone.
 
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Ridefreak

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That's the easy part but I was looking for a much further tear down....the Mavic's had some full length videos spanning quite a few minutes actually showing disassembly down to the individual board levels.

One of things I'm most interested in is the S2's antenna which didn't appear to be shown in the pic's.
On the first picture you can see the triangle with the Taoglas antenna on it. It's removed in the later pictures.
 

skydioconvert

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I think you're only looking at part of the antenna processing array... Adam Bry described the actual antenna as being located on the aft portion of the S2 (i.e. on the end opposite the gimbal).
 

Vib.ribbon

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This is excellent - thanks for posting. Been looking for a tear down/disassembly video for a while, so this is the next best thing!

Going to do some research on some of the components they have used!
 

Vib.ribbon

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Well.....this is most interesting...I hope I am wrong about this.

So, as far as I can tell, each motor has blue, black and grey set per motor - can clearly see that on the 3rd picture (all going into some type of controller board which is separate from the main board). There are other wires for the OA cameras...but what has has peaked my interest is that single white wire!

Could it be likely that the white wire shown in the 3rd and (mainly) 7th picture is the antenna wire? If it is, I am slightly concerned there is only one of them? I have watched a few tear down videos of a number of DJI drones and some have two antenna wires (the mid to high spec drones) - going in opposite directions (makes sense). I hope there is another antenna in there somewhere we can't see!?

I really hope Skydio hadn't skimped on the WiFi module and wiring in this.....would be such a shame. Would love to be able to see what WiFi module they are using!
 

Vib.ribbon

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I believe that the Taoglas module is the GPS antenna.
The actual WiFi antenna is on the last picture as described.

View attachment 114
Ohhhhhh...so that's the antenna module?!? So it does have two? I wonder that the white wire on the opposite side is for as it does appear on any other prop shaft?
 
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Lifeisfun

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Ohhhhhh...so that's the antenna module?!? So it does have two? I wonder that the white wire on the opposite side is for as it does appear on any other prop shaft?
Yes, that's it, you can see it on both sides. The lead could be hidden under.
 

skydioconvert

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An enlarged view of the bottom portion of the Facebook photo better shows the antenna wire running (in the shadows)across the rear of the S2 between the antenna modules.
 

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Ridefreak

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I believe that the Taoglas module is the GPS antenna.
The actual WiFi antenna is on the last picture as described.

View attachment 114
Gotch Ya, if that's the WiFi antenna it looks like they're using the 4 cards as the elements (array) so they can polarize horizontally and vertically. I have no idea if that's the case but it's what it appears to be, otherwise there's no reason for the daughter boards, the could include that circuitry right on the antenna's motherboard. If that is the antenna assy then it doesn't appear to have a separate antenna wire routed around the chassis.
 
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Lifeisfun

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Gotch Ya, if that's the WiFi antenna it looks like they're using the 4 cards as the elements (array) so they can polarize horizontally and vertically. I have no idea if that's the case but it's what it appears to be, otherwise there's no reason for the daughter boards, the could include that circuitry right on the antenna's motherboard. If that is the antenna assy then it doesn't appear to have a separate antenna wire routed around the chassis.
I think the white wire trace is the coax joining them together.
 

skydioconvert

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Physically joining separate antenna wires is never a good idea....
 

RemE

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I especially like the "No Step" printing on the board, my kind of designers!

It's great to see these pictures, thanks for sharing.
 

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