On this overview, I’ll be taking an in depth take a look at the BetaFPV Air75, a 75mm tiny whoop that guarantees light-weight and spectacular flight capabilities. I’ll share my private experiences with this quad, highlighting its strengths, areas for enchancment, and the way it stacks up in opposition to the favored Mobula7.
New to Tiny Whoop? Don’t miss out on my equipment suggestions: https://oscarliang.com/best-tiny-whoop/
The place to Purchase?
Get the BetaFPV Air 75 whoop from these distributors:
Batteries are usually not included, get them right here:
Get some spare props right here: https://s.click on.aliexpress.com/e/_DB5XEVH
Specs
- Body: Air75
- Cover: Air Cover
- FC & ESC: Air 4in1 Flight Controller
- Video Transmitter: Onboard 5.8G 25mw~400mw VTX
- FPV Digital camera: C03 Digital camera
- Motors: 0802SE 23000KV
- Props: Gemfan 40mm 2-Blade
- Battery Connector: BT2.0 U Pigtail
- RX Choices: ELRS 2.4G or TBS Crossfire
- Weight: 21g
- Really helpful Battery: LAVA 1S 450mAh 75C
First Impressions
For $95, the {hardware} high quality and worth of the BetaFPV Air75 are spectacular.
The Air75 is principally an even bigger model of the Air65 we lately opinions, with bigger props and motors: https://oscarliang.com/betafpv-air65/. Nonetheless the flight traits are very completely different.
The BetaFPV Air75 weighs simply 21g, practically 4 grams lighter than its predecessor, the Meteor75. With a 1S 450mAh LiPo, the load involves 33.5g, and with a 1S 550mAh battery, it’s 35.2g. For comparability, the Mobula7 1S Tiny Whoop weighs 24g with out battery.
It’s extremely mild—about the identical as a 65mm whoop from two years in the past. Don’t underestimate the distinction a couple of grams could make; it considerably impacts effectivity and flight traits for small quads on this weight class.
This weight financial savings primarily comes from the upgraded 75mm body, which shares the identical design because the Air65 however is barely bigger to accommodate the 40mm bi-blade propellers from Gemfan and the 0802 23000KV motors.
The remainder of the electronics are similar to the Air65, together with the 4in1 Air AIO FC, an exterior ExpressLRS receiver, and the C03 FPV digicam. The digicam even features a piece of black tape on the again of the PCB to stop mild leakage.
The U form battery connector is reminiscent of good contact, no extra struggling when connecting the battery.
Motor and Cover Design
The Air75 options highly effective 23000KV motors, that are extremely highly effective for this construct. The decreased weight not solely enhances maneuverability but additionally minimizes influence throughout crashes, resulting in elevated sturdiness.
Nonetheless, much like the Air65, the digicam tilt angle is a tad too excessive for indoor flying, even at its lowest setting. I want BetaFPV had included extra adjustment factors for the digicam angle on the cover. The present angle is adjustable between 25 and 35 levels, which is ok for out of doors flying, however for indoor use, it’s a bit an excessive amount of—15 levels can be very best, particularly for rookies.
You may, nonetheless, use the identical modification I did with the Air65 to decrease the lean angle.
Picture and VTX Efficiency
The digicam within the Air75 delivers superior picture high quality in comparison with the Mobula7. The footage beneath speaks for itself.
The VTX efficiency is one other spotlight. At 100mW, it supplied constant efficiency, even when flying outdoor inside 100 meters by means of bushes and bushes. For indoor use, 25mW was greater than sufficient. I didn’t want to make use of the utmost 400mW energy setting throughout my testing. This dependable video sign is essential for an pleasing FPV expertise.
Nonetheless, observe that the 25mW setting on the VTX outputs greater than 25mW, which could possibly be a difficulty for tiny whoop racing occasions with strict guidelines about energy output. BetaFPV has acknowledged this and promised to handle it in future batches. They may ship me a brand new FC this month to substantiate in the event that they’ve mounted the VTX output challenge.
Connecting to Betaflight requires the USB adapter which is supplied.
Flight Efficiency
The BetaFPV Air75 is arms down the most effective 75mm tiny whoop I’ve flown to this point. It flies impressively effectively proper out of the field. Though the PID/filter tuning nonetheless has room for enchancment, as with the Air65, it’s fairly good general.
Not solely is it highly effective, nevertheless it’s additionally extremely nimble. Flying the Air75 and Mobula7 again to again, the distinction in flight traits is noticeable, and it makes you admire the load discount. With a 1S 450mAh battery, the Air75 hovers at 31% throttle (totally charged), and with a 1S 550mAh battery, it hovers at 33% throttle. You barely want greater than 50-55% throttle when flying indoors—it zooms round like a rocket.
One other standout characteristic is the spectacular flight time. On a 1S 450mAh battery, I persistently bought about 5:30 to six minutes of flight time, whereas on a 1S 550mAh battery, I used to be getting virtually 7 minutes! For comparability, the Mobula7 solely provides me about 4:30. That is largely as a result of light-weight design, which considerably improves effectivity.
Initially, I had considerations concerning the 23000KV motors, provided that its predecessor used 19000KV motors. Nonetheless, these motors carried out admirably, offering loads of energy and responsiveness with out sacrificing flight time.
Air65 or Air75?
The choice is straightforward: When you primarily fly indoors, go for the Air65. When you largely fly outdoor, the Air75 is the higher selection.
The bigger 75mm whoop is extra steady outdoor and handles breezes higher. The elevated platform dimension and momentum additionally make it extra enjoyable to fly in freestyle and acro mode. Nonetheless, it’s so quick that it’s more durable to regulate exactly in tight areas in comparison with the Air65.
How you can Setup
The FC comes with Betaflight 4.5.0, and the FC goal is BETAFPVG473. You could find the default CLI diff right here.
Firstly, bind the receiver,
Receiver firmware goal is BETAFPV 2.4GHz Lite RX. Comply with this information should you don’t understand how: https://oscarliang.com/bind-expresslrs-receivers/
For maiden flight, listed below are the Betaflight configurations:
- Load ExpressLRS Preset
- Set Your Charges
- Allow Telemetry
- Set Arm change, angle mode change, turtle mode change
- Set OSD (disable “Core Temperature” underneath warnings)
- In Energy & Battery, set Minimal Cell Voltage to three.0V, Warning Cell Voltage to three.2V. Set Scale from 750 to 720 underneath Amperage Meter.
See this publish for the most effective settings and tricks to improve your Tiny Whoop expertise: https://oscarliang.com/best-tinywhoop-settings/
Conclusion
Total, the BetaFPV Air75 is an excellent 75mm BNF tiny whoop. Its light-weight design, spectacular flight time, and sturdy efficiency make it a best choice for each rookies and skilled pilots. For $95, it’s arduous to discover a higher possibility on this class, and I extremely advocate it to anybody in search of a 1S 75mm whoop.
Get the BetaFPV Air 75 whoop from these distributors:
Batteries are usually not included, get them right here:
Get some spare props right here: https://s.click on.aliexpress.com/e/_DB5XEVH
