Adaptive tensioner design
Adaptive tensioner with high reliability auto-compensates belt stretch to keep drivetrain efficiency.
RS7 Ultra
700-class freestyle — Ultra flagship performance
Low-drag aerodynamic canopy
Multiple low-drag aero solutions: a sharp top ridge splits airflow, dual-curve ducts guide air into cooling channels;
inward-folded edges reduce vortices;
the canopy uses a low-drag streamline profile for cooling efficiency and flight stability.
Reinforced main gear
A larger main gear with an optimized helix angle improves drivetrain efficiency and torque.
Power core — stable output
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Damping system
Upgraded damping filters vibration to reduce gyro interference for more precise control.
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Tail assembly
Lightweight design cuts 8 g; the tail shaft is 9 mm shorter to reduce load and vibration; geometry pitch is refined for faster tail response.
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Tail assembly
Refined geometry pitch further improves tail response and control.
RS7 Ultra
Competition-bred Ultra design language
Open mechanical aesthetics
A high-strength carbon frame with optimized load paths balances weight and impact resistance,
providing stable mechanical support for extreme 3D flight.
Precision drivetrain & power-control core
The main rotor head uses a multi-link suspension with a large-module precision gear train to cut backlash.
From power delivery to attitude control, it stays stable and responsive in hard 3D competition flying.
RS7 Ultra
700-class freestyle — Ultra flagship performance
- Model:
- RS7 Ultra
- Tail spindle Ø:
- φ5mm
- Overall height:
- 353mm
- Tail belt width:
- 8mm
- Width:
- 215mm
- One-piece tail shaft:
- 8mm
- Front pulley:
- 100T
- Main ratio (13T pinion):
- 8.92 (standard)
- Main gear:
- 116T
- Main ratio (12T pinion):
- 9.66
- Tail shaft Ø:
- φ5mm
- Tail ratio (20T pulley):
- 5 (standard)
- Dry weight (w/o LiPo):
- ~3.7 kg
- Tail ratio (21T pulley):
- 4.76
- Main shaft Ø:
- φ15mm
- Tail rotor Ø (with 105 blades):
- φ295mm
- Main spindle Ø:
- φ10mm
- Battery bay (L×W×H):
- 320*50*55mm