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I not too long ago had the chance to overview the SpeedyBee Bee35 Cinewhoop, an 3.5″ FPV Drone that caught my consideration for its design and surprisingly inexpensive worth. On this overview, I’ll share my expertise and insights concerning the Bee35, exploring its options and efficiency.
Find out about what cinewhoops are in our purchaser’s information, and what the favored decisions are: https://oscarliang.com/cinewhoop/
The place To Purchase?
Get the Speedybee Bee35 cinewhoop from:
I’m reviewing the BNF model of Bee35 (analog ELRS model), which comes with the next equipment:
- HQD90-3 Propellers (2 CW, 2 CCW) x1
- Spare Screw Pack x1
- Battery Strap (220mm) x1
- Hex Wrench (1.5mm and a couple of.0mm) x1
- TinyBee V2 Antenna (SMA) x1
Bee35 Body Equipment
It’s also possible to get simply the body and construct it your self (from US$40.99):
The frames can be found in several colours.
Straightforward Meeting: The Bee35’s meeting is simple, involving solely 4 screws for fast disassembly and entry to inside parts.
Video Transmitter (VTX) Mount: For the O3 model, the CNC bracket on the backside is designed for the O3 Air Unit, enhances sturdiness and aids warmth dissipation. The pliability to mount completely different VTXs is a plus.
Flight Controller Mounting Choices: The Bee35 affords versatility with a number of mounting choices, accommodating varied flight controller sizes and orientations.
Motor and Propeller Specs: The body helps 12×12 mm motor mounts and is suitable with 3.5-inch props, offering a strong basis for highly effective and secure flight traits.
Specs
Listed here are the specs for the completely different variations of the Bee35. The HD Energy model is mainly the O3 model with out the O3 air unit and radio receiver.
| Fashions | O3 Model | Analog Model | HD Energy Model |
|---|---|---|---|
| Body | Speedybee Bee35 Professional | Speedybee Bee35 | Speedybee Bee35 Professional |
| Carbon Plate Thickness | 3.5mm | ||
| FC MCU | STM32F405 | ||
| Gyroscope | ICM42688P | ||
| Bluetooth | Supported | ||
| AT7456E Chip | Sure (for analog OSD) | ||
| Blackbox | 8MB | ||
| ESC | BLS 35A 4in1 (BlueJay) | ||
| Motor | SpeedyBee 2006-1950KV(6S) | ||
| Propellers | HQ-T90MM-3-blade | ||
| Digital camera | O3 Air Unit Digital camera | RunCam Phonix SE | None |
| VTX | O3 Air Unit VTX | SpeedyBee TX800 | None |
| VTX Warmth Dissipation | Aviation-grade Aluminum Alloy Cooling Baseplate | Carbon Fiber Baseplate | Aviation-grade Aluminum Alloy Cooling Baseplate |
| Receiver | None/TBS Nano / ELRS 2.4GHz | TBS Nano / ELRS 2.4GHz | None |
| Recording Assist | Assist 4K120 (Mountable Sports activities Digital camera) | Not Assist (Mountable Sports activities Digital camera) | None (Mountable Sports activities Digital camera) |
| Voltage Enter | 6S LiPo 25.2V (Suggest: 1050mAh-1300mAh) | ||
| Weight | 320±10g | 300±10g | 276±10g |
The precise drone (analog model) is barely heavier than specified, weighing in at 305g with out battery.
Nearer Have a look at the Bee35
At first look, the Bee35 stands out with its strong design and has loads of room for putting in electronics. It’s a comparatively massive cinewhoop, highly effective sufficient to hold a full-size GoPro Hero 12 or DJI Motion 4. It comes with a 3D printed mount for securing an motion digital camera.
It’s significantly bigger than small cinewhoops I’ve been reviewing not too long ago such because the BetaFPV Pavo20 (on the proper). However not like the Bee35, the Pavo20 isn’t actually designed to hold something in any respect aside from the O3, that’s why they’re so compact.
You’ll be able to mount the LiPo battery aspect method (rest room tank mounting), or the normal method (entrance to again) with this body. You’ll be able to unscrew the highest plate and rotate it round, which lets you wrap across the battery strap in a distinct orientation.
The body’s construction is designed for ease of entry and upkeep, a attribute I notably recognize. To entry the FC and VTX contained in the body, you simply must take away 4 screws on the underside.
I’ve the Analog model, however the Bee35 can be suitable with the DJI O3 Air Unit (simply requires completely different 3D printed digital camera spacers).
Exterior USB Entry
The Bee35 excels in user-friendly design. A standout function is the exterior USB port, permitting simple connection to the flight controller. This considerate design saves time and trouble throughout setup and changes.
The exterior USB port is definitely an extension from the USB port on the FC. That is the primary time I’ve seen this design in a BNF, a really revolutionary thought.
Design and Construct
They’re utilizing their newest finances F405 Mini Stack, which is uncommon for a cinewhoop. Most cinewhoops today would use an AIO board as a result of restricted area (ESC and FC constructed on the identical PCB). Through the use of their very own separate FC and ESC boards, it ought to provide higher reliability as properly holding price to a minimal.
As you may see, the body helps a variety of parts and affords loads of area for varied setups. The mounting choices for the flight controller are versatile, accommodating stacks of various sizes. Nonetheless, the battery strap is stretching for battery sizes they advocate, it will be higher if it was 25cm lengthy as an alternative of 22cm.
3D Printed Equipment
The 3D printed antenna mount on the rear is flexible, it may be used for various setup together with 2.4GHz and 900Mhz T-style antennas, in addition to analog VTX and DJI Air Unit. Whereas these 3D printed components are completely useful, their print high quality has room for enchancment.
GPS mount can be included. It’s detachable with the potential for tilt angle adjustment. Nonetheless it solely helps micro dimension GPS modules that measure round 12.5×16.0mm. I imagine they provide completely different sizes however you would possibly must ask their assist for the design information and print them your self.
Meteor LED Equipment
SpeedyBee additionally despatched me their Meteor LED Equipment with the Bee35. It’s a incredible addition for drone fanatics wanting so as to add a touch of favor and performance to their flights. Its ease of set up, big selection of supported voltages, and the power to wirelessly configure it by way of the SpeedyBee app make it a precious accent for any suitable drone.
The Meteor LED equipment just isn’t included with the Bee35, it must be bought individually from these distributors:
Past lighting, it doubles as a Bluetooth module, permitting wi-fi configuration of your flight controller, a function notably useful in case your controller lacks a built-in Bluetooth module.
The RGB LED strip could be tailor-made to suit as much as 3.5-inch frames just like the Bee35. It additionally encompasses a boot button for getting into DFU mode in your flight controller, a handy function when the controller just isn’t simply accessible.
The Meteor LED Equipment comes neatly packaged, containing the RGB LED strip pre-soldered to a controller board, a 3D printed TPU cowl, screws for mounting, spare wires and connector.
Meteor LED Specs
- Enter Voltage: 7.4V-25.2V (2S to 6S)
- Bluetooth: Supported
- WiFi: Supported, prompts robotically just for firmware updates
- Communication Interface: Serial (UART)
- Baudrate: 115200
- Energy Indicator: Crimson gentle stays on, indicating energy
- Button Operate: Energy on/off, change results
- Dimensions: 23 x 15 x 6.3 mm (excluding screws and fittings)
- Controller board weight: 2g
- RGB LED Strip (full size): 13g
Set up
The set up course of is kind of simple. There’s a plug already soldered to the Bee35 on the rear, and also you simply want to attach it on to the LED controller board. The included 3D printed TPU half is a considerate addition, making certain the LED board is securely positioned and guarded.
Peel off the paper on the LED strip and stick it to the surface of the prop guard.
After meeting and powering up, the Meteor LED equipment got here to life. You’ll be able to change to completely different modes by urgent the button on the LED controller board. The LED results are spectacular, particularly in low-light. From the halo and twinkling results to the mesmerizing rainbow and flame animations, the Meteor equipment provides a big wow issue to the drone.
Customization and Management
For individuals who desire guide management, a brief press on the LED controller’s button cycles via the obtainable LED modes.
It’s also possible to use the SpeedyBee app for configuration. The app detects the Meteor equipment upon drone power-up, permitting for simple switching between varied lighting modes.
Energy Consumption
The LED strip consumes round 3W of energy (about 0.12A for a 6S battery), which suggests it gained’t have a noticeable impact on flight efficiency or flight time.
Flight Efficiency
The PID and filters are already arrange on the manufacturing unit. The tune is configured by getting into the numbers straight, somewhat than utilizing sliders, which is an attention-grabbing strategy. The flight efficiency is kind of good for a pre-built mannequin; there’s actually nothing to complain about.
When flying with out the GoPro, the Bee35 hovers at round 27% throttle, which feels highly effective for a big cinewhoop of this dimension. There’s no noticeable bounce-back or prop wash when performing flips and rolls, demonstrating the effectiveness of the inventory tune.
Utilizing a 6S 1100mAh LiPo battery, you may count on round 6 to 7 minutes of flight time (cruising with out GoPro), which is longer than the common for cinewhoops on this class.
The right way to Setup
The Speedybee Bee35 comes with Betaflight 4.4.2. FC Board goal is SPEEDYBEEF405MINI. Inventory CLI diff could be discovered right here: https://intofpv.com/t-original-cli-dump-for-speedybee-bee35-analog-elrs
Earlier than my maiden flight, I needed to bind the receiver first.
It’s an ExpressLRS (ELRS) receiver, so to place it in bind mode, you can merely plug in battery and unplug 2 instances, the third time you plug it in, it ought to be in bind mode.
It binds high quality with my ELRS Radio which has V3.3 firmware, which suggests the receiver additionally has V3 firmware.
It’s also possible to re-flash the receiver firmware with your individual bind phrase.
See my tutorial for extra element methods to bind ExpressLRS receivers: https://oscarliang.com/bind-expresslrs-receivers/
Subsequent, setup modes/switches for arming and flight modes. See my tutorial for the way: https://oscarliang.com/betaflight-modes/#How-to-Setup-Arm-Swap
That’s it, you might be good to go in your first flight.
Conclusion
The SpeedyBee Bee35 Cinewhoop impresses with its considerate design, versatility, and efficiency. Particulars just like the exterior USB entry and a number of setup choices add comfort and practicality. It’s budget-friendly worth level makes it a powerful contender to different in style fashions such because the Cinelog35.
Get the Speedybee Bee35 cinewhoop from:
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