The evolution continues. TheSpecter 700 V2 Ultimaterepresents the pinnacle of XLPower’s engineering — built for pilots who demand the absolute best in precision, strength, and control. Based on the proven World Champion Edition platform, every detail of the Ultimate has been enhanced to deliver tighter tolerances, greater rigidity, and smoother flight performance.
With its refreshed canopy design featuring apure-white tail boom, fin, and landing gear, the Ultimate blends clean aesthetics with refined engineering. From theone-piece motor mountto theoptimized tail geometry, every update reflects XLPower’s ongoing pursuit of perfection through real-world competition and pilot feedback.
Trusted and proven by world-class pilots such asMinChan Kim, Kenny Ko, and Kan Poonnoi, the Specter 700 V2 Ultimate isn’t just an evolution — it’s the benchmark for what a modern 700-class helicopter can be.
Structure & Design
The Specter 700 V2 Ultimate refines every aspect of the V2 platform for even greater precision and reliability. Aone-piece reinforced motor mountis fully integrated into the main frame, strengthening the powertrain and minimizing torsional flex under high load.
Thecenter and lower frame sectionshave been reinforced for improved rigidity, maintaining structural accuracy and energy transfer during aggressive flight maneuvers — while retaining XLPower’s hallmark lightness and service-friendly layout.
Thelower tail-servo placementis not merely for linkage optimization — it’s asafety-driven refinementinspired by feedback from world-champion pilots performing extreme 3D maneuvers. This new layout effectively preventsmain-blade–to–tail-control-rod interference(blade-to-tail-rod strike) during large tail deflections and extreme attitudes, ensuring structural safety and consistency under the harshest flight conditions.
Therotor head assemblycontinues XLPower’s iconic1:1 geometry design, renowned by top-level pilots as one of the best-feeling 700-class systems ever made. Each component isfully CNC-machined in a single setup, ensuring ultra-tight tolerances and perfect concentricity. This precision allows every subtle stick input to translate instantly into clean, linear aircraft response — delivering an unmatched, connected flight feel.
Both themain rotor head and tail rotor assembliesare crafted from7075-T6 aerospace-grade aluminum, precision CNC-machined for maximum strength, rigidity, and fatigue resistance. This material choice provides exceptional stability under extreme torque and high-RPM conditions, while keeping the overall weight optimized for agility and responsiveness.
Performance & Flight Feel
The Ultimate’s frame dynamics are engineered for maximum control fidelity. Its improved stiffness delivers a solid, locked-in feel during high-stress maneuvers without compromising agility. The result is a model that tracks like it’s on rails — precise, predictable, and confidence-inspiring — even in the most demanding 3D or competition routines.
Paired with XLPower’s signature drivetrain smoothness and refined damping system, the Specter 700 V2 Ultimate gives pilots an unmistakable sense of balance, authority, and flight connection that defines the XLPower experience.
Key Features
One-Piece Reinforced Motor Mount Integrated directly into the frame for stronger load paths and reduced torsional flex.
Strengthened Center & Lower Frame Sections Improved chassis rigidity for consistent geometry and efficient power transfer under load.
Lower Tail Servo Placement A safety-oriented design that prevents main-blade–to–tail-control-rod interference during extreme flight.
1:1 Rotor Head Geometry Proven Specter design for perfectly linear control response and exceptional pilot feel.
Fully CNC-Machined 7075 Rotor Head & Tail Assemblies Aerospace-grade aluminum, single-setup machining, ultra-tight tolerances — strength, precision, and responsiveness in perfect harmony.
Rear-Mounted Gyro Plate Enhanced vibration isolation for cleaner gyro signals and smoother flybarless control.
Quick-Release Canopy System Standard feature — tool-free latch design allows canopy installation or removal in seconds for fast field access and battery changes.
Optional Quick-Connect Battery System Available rear-entry battery connection allows rapid plug-in power changes without removing the canopy.
Refined Canopy & Aesthetic Details White tail boom, fin, and landing gear deliver a clean, modern look that reflects engineering excellence.
Competition-Proven Design Tested and trusted by world-class pilots for top-tier reliability and performance.
TECHNICAL SPECIFICATIONS
Length w/o main blades:1,383 mm Overall height:351 mm Frame width:217mm Weight (RTF):approx. 5,400 g Main blade length:685 – 720 mm Tail blade length:105 – 115 mm Main shaft diameter:15 mm Feathering shaft diameter:10 mm Tail boom diameter:32 mm Tail ratio:4.76 : 1(5.0Optional) Drive system:Belt-driven tail, helical main gear Gear ratio:9.63 : 1(8.15-11.77 Optional) Motor mount:One-piece reinforced CNC aluminum design Frame structure:Multi-layer carbon fiber with strengthened center section Swashplate geometry:120° CCPM, 1:1 control ratio Power system:12S Li-Po (recommended) ESC rating:130 – 260 A class Motor class:4525 / 4530 size Head & tail material:7075-T6 aluminum Gyro mount:Rear-mounted vibration-isolated platform Battery tray:Quick-release latch system
The Heart of
ULTIMATE CONTROL
The Specter 700 V2 Ultimate rotor head represents the pinnacle of precision engineering and flight refinement. Each component isfully CNC-machined from 7075-T6 aerospace-grade aluminum in a single setup,ensuring exceptional accuracy, rigidity, and near-zero tolerance deviation. This advanced design deliversunmatched stiffness, perfect tracking, and ultra-smooth control response,even under the extreme dynamic loads of modern 3D flight.
The1:1 swash-to-rotor geometryguarantees completely linear cyclic and collective behavior,providing the most direct and connected flight feel of any 700-class helicopter. Every subtle stick movement translates instantly into precise aircraft response,giving pilots a pure, confident, and seamless control experience.
ULTIMATE
TAIL ROTOR SYSTEM
The Specter 700 V2 Ultimate tail system is engineered for maximum precision and stability. Itsall-CNC, one-piece constructionenhances alignment accuracy, structural rigidity, and vibration resistance.The system adopts ateeter-style tail rotor design, identical to full-scale helicopter mechanics,delivering superior tail hold, reduced vibration, and quieter operation.Inside the tail rotor hub,curved shim washers with damping O-ringsare used to absorb micro-vibrations,providing smoother tail response and improved long-term durability.This refined tail system gives the Specter 700 V2 Ultimate outstanding control precision,combined with the durability and smoothness expected from a true competition-class helicopter
Lower Tail Pushrod Layout
SAFER SHARPER FLIGHT CONTROL
The Specter Ultimate features a lower tail pushrod layout, positioning the tail control linkage beneath the boom. This design not only improves tail geometry and control precision but also eliminates the safety risk of main blades striking the tail pushrod during extreme 3D maneuvers.Thetail servo mountdoubles as abelt-tension adjustment system, making setup and maintenance faster and more accurate. Additionally, thegyro can now be mounted at the rear, resulting in cleaner wiring, better weight balance, and a more responsive, aggressive flight feel.Together, these refinements deliver a perfect balance betweenmechanical precision, safety, and pure flight performance, showcasing XLPower’s commitment to both engineering excellence and pilot experience.
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Comparing to SAB, this kit requires some previous experience of building RC helicopters, which was very, very welcomed change. It felt like it was slightly over engineered, but at the same time reminded some good known practices and no need to try to re-innovate just sake of selling "something new." The first flight, it felt even more solid than another 700 unnamed heli that I put together recently, probably because the dampeners are really not dampening, they're almost slod piece of delrin. Anyway, everything was in the box, I misread instructions once, and had to order replacement piece -- like said, previous experience required. I think these XL Power helis are good value, really simplistic, design, complex build, plenty of space for electronics, but wiring is a somewhat an art. Two thumbs up!
T
Tom P.
Very nice heli kit.
I can't wait to get it built and flying. It should be very agile and a smooth build if the Nimbus 550 is any indication as it is just a smaller version and went together very smoothly.
A
Alexandre
Ultimate
Helicoptero fantastico ,sem duvidas o melhor atual .