Product overview
The BETAFPV Meteor75 Pro II Brushless Whoop Frame provides the structural base for a small brushless whoop intended for indoor and outdoor flying. Its PP construction combines an 80mm wheelbase with curved propeller ducts and five arm braces. The frame weighs 5.80g, nearly 2g less than the previous version, and measures 108.5*108.5*16.2mm overall. Its ducts measure 47mm in diameter and 4.8mm in height, with 45mm propellers specified. A screw protection structure and motor fixed slots are also supported.
Integration provisions comprise a 26*26mm flight controller mounting pattern, 3-M1.4-φ6.6mm motor mounting holes and a 16.1*6.3mm battery slot. Four holes accommodate shock-absorbing balls for installation with the Canopy II for O4 Air Unit. Recommended components include 1102 Freestyle Brushless Motors (2026), Matrix 1S flight controllers and LAVA II 1S batteries in 480mAh, 580mAh or 680mAh capacities. Supply consists of one frame; the recommended propulsion, electronics, batteries, canopies and screw pack are separate integration choices. Frame colors are transparent gray, black, white, blue and purple.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | BETAFPV Meteor75 Pro II Brushless Whoop Frame |
| Supplied configuration | Airframe-only supply: 1 × Meteor75 Pro II Brushless Whoop Frame. |
| Material | PP |
| Wheelbase | 80mm |
| Frame weight | 5.80g |
| Color options | Transparent gray, black, white, blue, purple |
| Motor mounting hole | 3-M1.4-φ6.6mm |
| Flight controller mounting hole | 26*26mm |
| Battery slot | 16.1*6.3mm |
| Dimensions | 108.5*108.5*16.2mm |
| Duct diameter | 47mm |
| Duct height | 4.8mm |
| Arm braces | 5, reduced from 6 while maintaining structural integrity. |
| Duct architecture | Curved whoop duct design intended to reduce air resistance and improve flight efficiency. |
| Approximate weight reduction | Nearly 2g lighter.Compared with the previous version. |
| Shock-absorbing mounting provisions | Four installation holes for shock-absorbing balls. |
| Screw protection structure | Supported |
| Motor screw size | M1.4*3mm |
| Motor fixed slot | Supported |
| Propeller size | 45mm props |
| Motors | 1102 Freestyle Brushless Motors (2026)Recommended component; not included in the single-frame package. |
| Propeller options | GF 1811 3-Blade Props; GF 45mm 3-Blade PropsRecommended components; not included in the single-frame package. |
| Flight controller options | Matrix 1S 3IN1/4IN1; Matrix 1S 5IN1 II; Matrix 1S 5IN1Recommended components; not included in the single-frame package. |
| Battery options | LAVA II 1S 480mAh/580mAh/680mAhRecommended components; not included in the single-frame package. |
| Canopy options | Canopy II for O4 Air Unit; Canopy for O4 Air Unit; Air II Canopy; Micro CanopyRecommended components; not included in the single-frame package. |
| Screw pack | Meteor Series Motor Fixing Screws Pack (40PCS)Recommended accessory; not included in the single-frame package. |
| Intended flight environments | Indoor and outdoor flight environments. |
