2026 Comparator
4 processors / central navigation CPU compared on the criteria that matter in offshore regattas: servo frequency, Wave mode, integrated polars, high-resolution 3D sensor integration, open ecosystem. From entry-level IRC club to top-tier IMOCA/Class40. Supplementary comparator to the cruising autopilot comparator (Raymarine / Garmin / B&G NAC-3).
B&G
1424 € HT
Pour qui : 35-45 ft sailboat, IRC Club Entry racing, amateur crew, coastal regatta + performance cruising program
View H5000 CPU HydraB&G
2992 € HT
Pour qui : Sailboat 40-55 feet IRC club / RORC racing, regular regatta crew, VPP polars used, serious tactical navigation
View HerculesMadintec
3911 € HT
Pour qui : IMOCA / Class40 / TP52 offshore racing sailboat, trained racing crew, need Wave Mode reference and open NKE/B&G ecosystem
View MAD Brain BoxPixel sur Mer
9990 € HT
Pour qui : IMOCA pro, Class40 podium, Volvo Ocean Race, Vendée Globe, racing architecture programs (Cammas, Verdier, Lombard). Modular system with custom I/O interfaces.
View Pixel Exocet2026 distributor prices HT in France, processor only (excluding 3D HR sensors, excluding ram, excluding displays, excluding installation labor). NKE Gyropilot 3 not listed — catalog being uploaded, quote on request.
| Criteria | B&G H5000 CPU Hydra | B&G Hercules | Madintec MAD Brain Box | Pixel sur Mer Exocet |
|---|---|---|---|---|
| Processor price (excl. VAT) | ~ $1,424 | ~ $2,992 | ~ $3,911 | ~ $9,990 |
| Servo frequency | 10 Hz | 10 Hz | 50 Hz | Configurable (up to 200 Hz) |
| Wave Mode (3D swell) | Basic (Hydra firmware) | Yes (B&G v3.5 refined) | Market reference (MAD Modes) | Advanced (proprietary algorithms) |
| Integrated polars | No | Yes (ORC import) | Yes + Super-pilot Modes | Yes + multi-source acquisition |
| Compatible 3D HR sensors | WS320 / WS710 | WS720 / WS730 / B&G full | NKE 3D HR II / B&G / Madintec | All (NKE, B&G, custom sensors) |
| Integration ecosystem | B&G closed (NAC-3) | B&G closed (H5000 + NAC-3) | Open (NKE + B&G + universal) | Open + custom (analog + serial) |
| Target program | IRC club entry | IRC club + RORC | IMOCA / Class40 amateur | IMOCA pro / Class40 podium / Volvo |
Our recommendation by race program level, based on 60+ race autopilot installations from 2020-2026 (habitable IRC regatta, offshore racing, IMOCA, Class40).
IRC entry
The B&G H5000 CPU Hydra (1,424 € HT) is the most economical entry-level IRC solution. Native NAC-3 integration, 10 Hz frequency sufficient for coastal regattas at an amateur level. Limitations: no integrated polars (the autopilot maintains heading but does not suggest optimal angles). For the next level (RORC, tactical calculations), upgrade to Hercules.
Budget H5000 CPU + WS320 sensors + NAC-3 + T1 ram installed: ~ 7 500 € HT
View H5000 CPU HydraSerious IRC
The B&G Hercules (€2,992 ex VAT) is our standard for French IRC club racing. Polar data imported from ORC (Offshore Racing Congress), real-time layline calculation, Wave refined mode. If you race regularly in IRC club / RORC events, this is the right investment — the €1,500 ex VAT gap vs the H5000 CPU Hydra pays for itself in pure performance within 2 seasons.
Budget Hercules + complete H5000 sensors + NAC-3 + WS720 + T1/T2 ram: ~ 12 000 € HT
View HerculesOffshore racing
The Madintec MAD Brain Box (3 911 € ex VAT) is the French offshore racing standard for amateur+ programs. Market reference for Wave mode (often copied, rarely matched), 50 Hz frequency, open ecosystem (NKE / B&G / custom sensors). Core choice for most Class40 amateurs and "entry-level" IMOCA campaigns. Often paired with NKE Gyropilot 3 — the standard French racing combo.
Budget MAD Brain Box + NKE 3D HR II sensors + ram + displays: ~ €18,000–25,000 VAT excluded
View MAD Brain BoxTier 1 racing
The Pixel sur Mer Exocet (9 990 € HT for the base unit) is the French professional standard among racing yacht designers (Verdier, Lombard, Cammas Yacht Design). Modular system with custom I/O interfaces (analog, serial), proprietary Wave Mode, and structural sensor acquisition (hull deformation, rigging load). At this level, you move beyond a "pilot" to enter the realm of a tactical navigation central + structural monitoring system. Quote available upon specific specification sheet.
Budget for complete Exocet system (central unit + interfaces + custom sensors + integration): €30,000 to €80,000 VAT excluded depending on program
View Pixel ExocetThe 3 mistakes that come up when a client chooses their racing autopilot processor without a workshop program audit.
The MAD Brain Box is designed for regular offshore racing programs (minimum 4-8 regattas/year, trained crew, polars used). On a sailboat that does 2 coastal regattas + cruising: the Hercules (€2,992 ex-VAT) is more than sufficient, and the €920 ex-VAT saved can fund WS720 sensors. Always match the processor to the actual racing usage frequency.
Pixel Exocet is a modular pro-level acquisition system — it expects calibrated sensors with custom calibration curves. Plugging in off-the-shelf WS320 sensors without a custom analog interface means losing 80 % of the system’s accuracy. If you want Exocet, budget for custom sensors + calibration curves (€5,000–15,000 VAT excluded extra) — otherwise stick with MAD Brain Box or Hercules using off-the-shelf sensors.
The H5000 CPU Hydra (1,424 € HT) is intentionally restricted at the firmware level (no polars, no advanced layline features). To unlock the Performance firmware, you need an unlock code (~ 1,585 € HT). Total: 1,424 + 1,585 = 3,009 € HT, which is slightly more expensive than buying the Hercules directly (2,992 € HT). If you know in advance that you want polars, buy the Hercules directly.
4 questions to identify the racing processor suited to your program and your complete system budget.
NKE Marine Electronics is distributed by Skysat — 141 references in the catalog. The full online listing on the store is in progress (most NKE products are currently in draft, accessible via quote). The Gyropilot 3 NKE is the French racing standard alongside the Madintec MAD Brain Box (often used together: Gyropilot 3 + MAD Brain Box + NKE 3D HR II sensors). For a quote for the Gyropilot 3 or any NKE product not listed, contact us.
The cruising autopilot comparison tool covers Raymarine Evolution + Garmin Reactor 40 + B&G NAC-3 + B&G H5000 CPU Performance — for cruising segment + IRC club. This racing comparison tool goes further: H5000 Hydra + Hercules + MAD Brain Box + Pixel sur Mer Exocet — for offshore racing programs and tier pro. The key difference: here we’re talking about central navigation processors (tactical + polars + multi-source data acquisition), whereas there we’re talking about autopilots (heading-only control).
Wave Mode is a control algorithm that anticipates the effect of 3D swell on the boat's course. Without Wave Mode, the autopilot reacts to course deviation after the swell has already caused the boat to drift (1-2 second delay = 5-10° of lost heading). With properly adjusted Wave Mode, the autopilot anticipates an incoming wave and adjusts preemptively, reducing average course deviation by 50% in rough seas. 2026 market reference: Madintec MAD Modes (Super-pilot). A good alternative is B&G v3.5 refined (Hercules). H5000 Hydra has a basic version (limited effect).
The 3D HR high-resolution sensors (3D high resolution) measure wind in 3 axes + compensate heel + heel/heading to provide accurate true wind within ±0.3°. NKE 3D HR II: French racing standard, compatible with Madintec MAD Brain Box and NKE Gyropilot 3. B&G WS720 / WS730: vertical ultrasonic sensors 1.1 m / 1.4 m, compatible with H5000 + Hercules. Pixel sur Mer Exocet: accepts custom calibrated sensors (proprietary analog acquisition). Sensor selection must be made before the processor — not the other way around.
Pixel Exocet is a modular system — the base unit at 9,990 € HT includes the central processing unit + WiFi/Ethernet + I/O acquisition protocol. The complete system adds: expansion modules (Digital In 16 channels ~ 1,200 € HT, connection boxes ~ 500 € HT each, control keypads ~ 320 € HT, custom cables ~ 300 € HT/m). On a full IMOCA, we’re easily talking about 30,000 to 80,000 € HT for a fully integrated Pixel system, with optional structural monitoring (Luna Technology fiber optic interrogator at 25,573 € HT for Vendée Globe programs).
The used MAD Brain Box market exists (Madintec hardware, highly reputed for its longevity; units from 8–10 years old are still seen in Class40s). Mandatory checks before purchase: firmware version (advanced MAD modes require firmware ≥ v4.2), condition of I/O connectors (sensitive to corrosion in humid environments), is the warranty still valid (Madintec typically offers 12 months on certified used units). Our recommendation: buy through an authorized dealer (Skysat provides a certification service + 6-month warranty on racing used equipment).
Skysat has distributed B&G/Navico, Madintec, Pixel sur Mer, and NKE Marine Electronics since 2018. Comparator based on 60+ racing autopilot installations 2020–2026 — regattas (IRC cruising, offshore racing, IMOCA, Class40, TP52). 2026 indicative distributor prices (HT), processor only (excluding 3D HR sensors, actuators, displays, custom interfaces, installation labor, and calibration). NKE Gyropilot 3 referenced in FAQ — NKE catalog being progressively added to the store; quotes available on request for any unlisted reference.
