📖 OPEN-SOURCE BUILD GUIDE

Build Your Own
Tow Boogie

The complete guide to building a DIY electric tow device for prone foil surfing — for a fraction of the commercial price. Based on 100+ community builds.

⚡ Open Build Configurator 📖 Read the Guide
$750–$1,500
Total Build Cost
4
Build Days
$6K+
Savings vs Commercial
100+
Community Builds

What Is a Tow Boogie?

An electric-powered unmanned watercraft that tows a foil surfer up to takeoff speed. Release the rope, catch the wave, ride pure — no motor weight on your board.

🏄 Naked Board Feel

Unlike eFoils, the motor stays in the water. Your board is clean, light, and performs like a pure prone foil.

👥 Share Sessions

One tow boogie serves multiple riders. Take turns getting towed — perfect for group sessions.

🌊 Catch Real Waves

Get towed to the lineup, release, and ride ocean swells. Or use it for flat-water downwind runs.

Why Build Your Own?

Commercial tow boogies cost $7,000–$9,000+. A DIY build uses the same proven components for a fraction of the cost.

OptionCostProsCons
Zero Tow V3
Market leader (Australia)
$8,300+
incl. shipping to US
Turnkey, smart remote, GPS follow, inflatable hull, proven 12-week wait, expensive, AU shipping, limited customization
Foil Fusion
US-based, new entrant
$3,000–$5,000?
pricing not public
US-based, modular, domestic shipping Unproven, limited info, new company
🔧 DIY Build
This guide
$750–$1,500
depending on battery
Fraction of cost, fully customizable, repairable, learn your system Requires tools & skills, no warranty, build time
💡

The eFoil playbook: PacificMeister open-sourced the DIY eFoil in 2016, kickstarting the entire industry. Now we're doing the same for tow boogies. Open-source designs, community collaboration, everyone benefits.

Critical Build Tips

Lessons learned from 100+ community builds on FOIL.zone. Get these right and your first build will work.

📍
Motor at the VERY rear Front or center motor placement causes nosedive under power. Mount the motor as far back as possible — this is the #1 mistake new builders make.
⬇️
Tow point UNDER the hull Top-mounted tow points pull the board upward and cause instability. Route the tow rope attachment through or under the hull.
📐
5° downward motor pitch Angling the motor pod 5° down counteracts the tendency for the hull to lift under thrust. Critical for stable operation at towing speeds.
🔩
Aluminum tow bar is a game-changer A 25×25×2mm aluminum profile (1m) along the bottom centerline serves dual duty: structural stiffener + tow rope attachment. Makes bodyboard hulls rigid enough for real use.
🖨️
3D printed parts work great Motor mounts, pods, brackets — all print well in PETG or ASA. Community STL files on MakerWorld. No CNC needed for prototype builds.
⚠️

Safety first: Always use a kill switch / dead man's lanyard. Install a prop guard. Test in shallow water first. Never operate near swimmers. A tow boogie is an unmanned motorized vessel — treat it with respect.

Build Guide

A 4-day build sequence from unboxing to water testing. Each phase can be done in an afternoon.

1
Day 1–2: Indoors

Electronics Assembly

Configure your ESC, build the battery (if DIY), wire the motor, and bench test the complete system before it goes near water.

  • Conformal coat all PCBs — let dry 24 hours
  • Build battery pack (12S8P config) or prep pre-built battery
  • Wire ESC to motor (3-phase + hall sensor)
  • Configure VESC Tool: motor detection, current limits (60A batt / 120A motor), speed limit (~20 km/h)
  • Pair VX3 Pro remote (UART or PPM mode)
  • Bench test: motor spins, remote controls throttle, BMS reports via Bluetooth

CRITICAL: Turn OFF phase filter in VESC Tool for FSESC 75200 (firmware 5.3+). Missing this causes motor detection failure.

2
Day 2–3: Workshop

Hull Preparation

Install the tow bar, cut the motor mount hole, mount the electronics box, and seal everything watertight.

  • Mark motor position at extreme rear of hull
  • Cut motor mount hole using 3D printed template
  • Install aluminum tow bar along bottom centerline (M6 hardware + large washers)
  • Mount electronics box on top deck, centered
  • Install cable glands (PG7/PG9/PG11) for all wire penetrations
  • Seal ALL penetrations with marine sealant (3M 5200)
3
Day 3: Workshop

Motor Installation

Mount the motor in its 3D-printed pod, install the propeller and guard, route wires through the hull.

  • 3D print motor pod with 5° downward pitch angle
  • Install motor in pod, secure with SS316 bolts
  • Install prop + prop guard (safety critical!)
  • Route and secure motor wires through hull to electronics box
  • Attach tow rope to aluminum bar underneath hull
  • Add buoyancy foam in remaining void spaces
4
Day 4+: On the Water 🌊

Testing

Progressive testing from float test to first tow. Video everything for your build thread!

  • Float test — verify buoyancy with all components, check for leaks
  • Shallow water motor test — run at low speed, check for vibration
  • Tow test without rider — verify straight tracking, no nosedive
  • First tow with rider — start at 50% throttle, 15m rope, open water
  • Performance logging: GPS speed, battery drain, handling notes
  • Video everything for FOIL.zone build thread!
🎯

Success criteria for V1:

• Tow an 85kg rider to foil takeoff speed (~12–15 km/h)
• Minimum 45 min runtime at towing duty
• Reliable kill switch operation
• Straight tracking without constant steering
• No water ingress after 1hr session
• Total weight under 15kg

Parts & Components

Everything you need, with links and prices. Use the interactive configurator to customize your build and get a printable shopping list.

🔌 Propulsion

~$680
Flipsky 65161 120KV 6000W Motor flipsky.net $298
Flipsky FSESC 75200 Pro V2.0 (water cooling) flipsky.net $280–$320
65161 Aluminum Propeller (×2) flipsky.net / AliExpress $40–$60
Prop Guard (3D print or buy) 3D print / AliExpress $15–$30
💰

Save $50–$80: Flipsky sells motor + ESC + remote bundles. Look for "Propulsion With ESC & Remote VX3 Pro" on the motor page.

📡 Remote

~$110
Flipsky VX3 Pro Waterproof Remote flipsky.net $110

IP67, OLED display, GPS, cruise control, 2.4GHz. Compatible with FSESC 75200.

🔋 Battery

$250–$700

Option A: DIY Pack (Recommended)

96× Molicel P42A 21700 Cells (12S8P) 18650batterystore.com $350–$450
12S 100A Smart BMS (Bluetooth) AliExpress (Daly/JBD) $45–$70
Nickel strip + fishpaper + shrink wrap Amazon $25–$35
50.4V 5A Charger AliExpress / Amazon $40–$55
XT90-S Connectors (anti-spark) Amazon $10–$15

Option B: Buy Pre-Built (Faster)

Used 12S eFoil Battery Pack FOIL.zone classifieds / Facebook $200–$400

Option C: Flipsky Battery (Turnkey)

Flipsky Waterproof Battery Pack 12S flipsky.net $500–$700

🏗️ Hull & Structure

~$120–$200
Bodyboard ~105×50cm (foam, rigid) Amazon / surf shop $30–$50
IP68 Electronics Box (380×310×115mm) AliExpress $25–$40
Aluminum Profile 25×25×2mm, 1m Hardware store / Amazon $10–$15
3D Printed Motor Mount + Pods Self-print (PLA/PETG/ASA) $15–$25
SS316 Hardware Kit (M6 assorted) McMaster-Carr / Amazon $20–$30
Marine Sealant (3M 5200) Amazon / West Marine $15
Dyneema Tow Rope 15m + Handle Amazon / marine supply $25–$40

🛡️ Waterproofing & Safety

~$40–$60
Conformal Coating Spray (MG Chemicals) Amazon $15
Self-Amalgamating Tape Amazon $8
Cable Glands (PG7, PG9, PG11) Amazon $10
Foam Buoyancy Blocks Amazon $10–$15
Kill Switch Lanyard (Dead Man's Switch) Amazon / AliExpress $8–$12

💵 Cheapest Build

$680–$850

Used battery, bodyboard hull, minimal extras

⭐ Recommended

$950–$1,200

DIY battery, all new components, safety gear

⚡ Use the Interactive Configurator →

Pick your exact components, see real-time pricing, get a printable shopping list

Upgrade Path

Start simple, learn on the water, then upgrade based on what you actually need.

FeatureV1 (Prototype)V2 (Product)
Hull Bodyboard ($30–$50) Custom inflatable drop-stitch
Motor Single 65161 Dual 65161 (differential steering)
Remote VX3 Pro (manual control) Custom ESP32 + GPS follow/return
Battery DIY 12S8P Custom IP68 pack, quick-release
Steering Weight shift + tow bar Differential thrust (no rudder needed)
Electronics Off-shelf box Custom waterproof enclosure, potted connectors
🔄

The beauty of DIY: Motor, ESC, remote, and battery all carry over from V1 to V2. You're only upgrading hull and steering. ~50% of your V1 investment transfers directly.

Build Threads & Resources

Join the world's most active tow boogie community on FOIL.zone — share your build, get help, download 3D files.

🛠️ 🖨️ 🔧 💬 📰 🌊
🤝

Differential steering revolution: Check out the BRemote by Ludwig — a third-party remote enabling differential steering for dual-motor builds. Eliminates the need for mechanical rudders entirely.

Who's Using Tow Boogies?

🏫 Foil Training Schools

Schools like wingfoil-fehmarn.de in Germany are using tow boogies for wingfoil instruction in shallow water. B2B opportunity for reliable, easy-to-operate devices.

🏄 Prone Foil Surfers

Get towed to the lineup, release, catch the wave. The purest form of foil surfing — no motor on your board, no paddle exhaustion.

🌬️ Downwind Runners

Zero Tow V3 riders report 25km downwind runs on prone boards. Use the tow boogie to get up on foil, then ride bumps indefinitely.

👥 Group Sessions

One device, multiple riders. Perfect for beach communities, clubs, and friend groups. Take turns getting towed — everyone rides.

Ready to Build?

Use the interactive configurator to pick your components, see real-time pricing, and get a printable shopping list.

⚡ Open Build Configurator 🌊 Join FOIL.zone