JeNo FS-35
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3.5" FPV drone frame compatible with any VTX camera, designed for Freestyle only, but there's no prop in-views.
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Updated at source:
Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
Key features
Perfect integration of the DJI O4 Lite Air Unit camera
Compatible with O3 lens mods (Khrom’s mod), and O4 Wide lens mods from Flywoo/Runcam
Wide-X geometry
Excellent flight performance, easy to tune
Strong and stiff
Frame, standoffs and props are invisible in the video feed
Camera tilt options : 20, 25, 30 and 35°
Spacious Stack height (19mm)
Designed to be house a full sized ESC and Flight Controller.
Easy to build, ideal for beginners
LiPo strap slots - Mount your LiPo in Traditional way or Toilet Tank.
Open source, of course
Check out the build video here: DKZ FPV
Presentation
It's all because in my area - there's no spacious park or bando to fly, hence this frame created.
I've been in love with the JeNo Fit 5" since I built it months ago, so the only thing that make sense to me is to shrink down the 5 inch version into a 3.5 inch.
At first I don't have any expectation since this only for my "side-quest" freestyle rig - But oh boy I was wrong...very wrong...
With the help of members of the WE are FPV community (Jerome & Nochamo) - we've been able to make this frame comes to live.
Even tough this frame is mainly designed by me, but I've always keep it stick to most of the previous JeNo philosophy, Which is:
High performance and durability
Completely clear video feed, with no frame or props in view (3.5" size and under)
Spacious and easy to build
Open source
Huge thanks to Jerome & Nochamo for their feedback, opinion, and sharing the experience. Once again, this shows the benefits of open source, where everyone gets to benefit.
Detailed specifications
Geometry | Wide-X |
Props size | 3.5" |
Weight | Rabbit Arm : 81.6 g (with screws) 117 g (screws & 3D Print) |
Body height | 19 mm |
Arm Thickness | 4mm |
Bottom plate | 2 mm |
Top plate | 2 mm |
Camera plates | 2,5 mm |
Motors mounting | 9 mm and 12 mm (Choose) |
Camera | 14 mm to 20 mm, O4 Lite and mods, Clear FOV & Adjustable. |
Camera tilt | 15/20/25/30/35° Adjustable |
Main stack | 20X20 M3 FC & ESC Stack, 25.5 mm x 25.5 AIO. |
Back stack | 20 x 20 & 25.5 x 25.5 mm VTX Mounting pattern. |
Supported VTX | Analogue, DJI Air Unit O4 Lite (+Cases), WalkSnail, HDZero. |
Strap pass | Yes |
The Arm is designed to give protection as much as it can (up to 1804 motor size) without using any gigantic TPU arm guard that cover the arm ends & the motor bell.
Side look of the deck using Sequre H743 & Blueson A1 ESC - Yes that's a full size stack and Yes, it's overkill.
Front cage look - protect the camera & filter at all cost without any 3D print or Prop visible in the googles feed & DVR.
The Onboard Recording DJI O4 Lite with O3 Lens Mod + Flywoo Naked O3 Filter (4K 600 FPS) Result:
Bill of materials
In addition to the carbon fiber, you will need the following hardware to complete the assembly of the frame.
Stack materials
If 25.5x25.5 AiO
Quantity | Description | Details |
|---|---|---|
4 | M2x16/18mm countercunk screws | for the stack |
4 | M2 nuts for stack screws |
If 20x20 stack
Quantity | Description | Details |
|---|---|---|
4 | M3x18mm countersunk screws | for the stack |
4 | M3 nuts for the top of stack screws | Self locking or nylon |
4 | M3 nuts for the bottom of the stack screws | Find the thinnest one, I use 1.8mm thickness |
Frame materials
Quantity | Description | Details |
|---|---|---|
2 | M3x6/8mm countersunk screws | for the top plate |
4 | M3x6/8mm button head screws | |
15 | M3x6mm screws | for the bottom and camera plates |
6 | M3x25mm stand offs | for the frame |
2 | M3x20mm stand offs | for the camera plate |
Additional materials
Quantity | Description | Details |
|---|---|---|
16 | M2x7/8mm screws Prefer the Cap head screws | for the motors |
4 | M2x4mm screws | for the camera |
5 | Pressnuts (Flywoo or SourceOne alike) | 4 for the arms, 1 for the middle plate |
Fasten the lipos
The JeNo allows the use of non-slip straps thanks to its strap slots. You can also use a LiPo pad if desired.
Blackbox
Here is an overview of vibration distribution on the 3 axes for the JeNo FS35 with Rabbit Arm. This is indeed the unfiltered gyro signal freestyle flight :
Authors
The JeNo was designed by :