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I lately had the chance to overview the SpeedyBee Bee35 Cinewhoop, an 3.5″ FPV Drone that caught my consideration for its design and surprisingly inexpensive value. On this overview, I’ll share my expertise and insights in regards to 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 pair of.0mm) x1
- TinyBee V2 Antenna (SMA) x1
Bee35 Body Equipment
You can too 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 elements.
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 totally different VTXs is a plus.
Flight Controller Mounting Choices: The Bee35 presents versatility with a number of mounting choices, accommodating numerous 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 stable basis for highly effective and secure flight traits.
Specs
Listed below are the specs for the totally 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 Take 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 giant 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 lately such because the BetaFPV Pavo20 (on the fitting). 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 possibly can mount the LiPo battery aspect manner (rest room tank mounting), or the standard manner (entrance to again) with this body. You possibly can unscrew the highest plate and rotate it round, which lets you wrap across the battery strap in a unique orientation.
The body’s construction is designed for ease of entry and upkeep, a attribute I significantly admire. 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 also be suitable with the DJI O3 Air Unit (simply requires totally different 3D printed digital camera spacers).
Exterior USB Entry
The Bee35 excels in user-friendly design. A standout characteristic is the exterior USB port, permitting simple connection to the flight controller. This considerate design saves time and problem 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 progressive concept.
Design and Construct
They’re utilizing their newest finances F405 Mini Stack, which is uncommon for a cinewhoop. Most cinewhoops nowadays would use an AIO board as a result of restricted area (ESC and FC constructed on the identical PCB). By utilizing their very own separate FC and ESC boards, it ought to provide higher reliability as effectively preserving price to a minimal.
As you possibly can see, the body helps a variety of elements and presents loads of area for numerous 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 suggest, it could be higher if it was 25cm lengthy as a substitute 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 purposeful, their print high quality has room for enchancment.
GPS mount can also be included. It’s detachable with the potential for tilt angle adjustment. Nonetheless it solely helps micro measurement GPS modules that measure round 12.5×16.0mm. I consider they provide totally different sizes however you may must ask their help 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 improbable addition for drone fans trying so as to add a touch of favor and performance to their flights. Its ease of set up, wide selection of supported voltages, and the flexibility to wirelessly configure it through the SpeedyBee app make it a invaluable accent for any suitable drone.
The Meteor LED package is just not 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 characteristic significantly helpful in case your controller lacks a built-in Bluetooth module.
The RGB LED strip may be tailor-made to suit as much as 3.5-inch frames just like the Bee35. It additionally includes a boot button for getting into DFU mode in your flight controller, a handy characteristic when the controller is just not 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 routinely just for firmware updates
- Communication Interface: Serial (UART)
- Baudrate: 115200
- Energy Indicator: Purple 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, guaranteeing 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 package got here to life. You possibly can change to totally 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 package provides a big wow issue to the drone.
Customization and Management
For individuals who desire handbook management, a brief press on the LED controller’s button cycles by way of the obtainable LED modes.
You can too use the SpeedyBee app for configuration. The app detects the Meteor package upon drone power-up, permitting for simple switching between numerous lighting modes.
Energy Consumption
The LED strip consumes round 3W of energy (about 0.12A for a 6S battery), which suggests it received’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 instantly, slightly than utilizing sliders, which is an fascinating method. 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 measurement. 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 possibly can anticipate round 6 to 7 minutes of flight time (cruising with out GoPro), which is longer than the typical for cinewhoops on this class.
Tips on how to Setup
The Speedybee Bee35 comes with Betaflight 4.4.2. FC Board goal is SPEEDYBEEF405MINI. Inventory CLI diff may 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 possibly 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 nice with my ELRS Radio which has V3.3 firmware, which suggests the receiver additionally has V3 firmware.
You can too 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 a way: https://oscarliang.com/betaflight-modes/#How-to-Setup-Arm-Change
That’s it, you might be good to go to 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 value level makes it a robust contender to different well-liked fashions such because the Cinelog35.
Get the Speedybee Bee35 cinewhoop from:
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