# EFOIL.builders **URL:** https://foil.zone/c/efoil-builders/18.md?page=1 [Latest](https://foil.zone/latest.md) · [Categories](https://foil.zone/categories.md) · [Tags](https://foil.zone/tags.md) **Page:** 2 --- ## [20 hp Reacher D70L165 for a diy outboard?](https://foil.zone/t/20-hp-reacher-d70l165-for-a-diy-outboard/26778)
**Author:** [@last20](https://foil.zone/u/last20)\ **Replies:** 4\ **Last updated:** [July 12, 2026, 9:17pm UTC](https://foil.zone/t/20-hp-reacher-d70l165-for-a-diy-outboard/26778 "2026-07-12T21:17:30Z")
Hello folks, new here… Ive been wanting a 20’x7’ solar charged electric boat after watching “true north” on yt. I’m asking AI a bunch of questions about boats and solar power, but I think I’m ready to ask and confirm a… --- ## [JBD / JK / Daly Smart BMS to VESC](https://foil.zone/t/jbd-jk-daly-smart-bms-to-vesc/25106)
**Author:** [@buestad](https://foil.zone/u/buestad)\ **Replies:** 10\ **Last updated:** [July 6, 2026, 12:17pm UTC](https://foil.zone/t/jbd-jk-daly-smart-bms-to-vesc/25106 "2026-07-06T12:17:00Z")
I want to use a Smart BMS of some sort for an e-foil build and have cell data available in the VESC. Preferably using a wired connection. BMS and VESC will be in the same Box. Has anyone successfully gotten cell data in… --- ## [Where to purchase batteries](https://foil.zone/t/where-to-purchase-batteries/26683)
**Author:** [@Mike5](https://foil.zone/u/Mike5)\ **Replies:** 5\ **Last updated:** [July 3, 2026, 8:38am UTC](https://foil.zone/t/where-to-purchase-batteries/26683 "2026-07-03T08:38:33Z")
I am looking at putting together my first foil assist using a Maytech 6579 kit. I am going to run the battery in a backpack to keep weight off the board so was thinking 48v 20Ah in a pelican case. Does anybody have any a… --- ## [Hot RC DS 800 waterproof 3d print case or other](https://foil.zone/t/hot-rc-ds-800-waterproof-3d-print-case-or-other/26611)
**Author:** [@MaseSaturo](https://foil.zone/u/MaseSaturo)\ **Replies:** 2\ **Last updated:** [June 29, 2026, 12:27pm UTC](https://foil.zone/t/hot-rc-ds-800-waterproof-3d-print-case-or-other/26611 "2026-06-29T12:27:14Z")
Hi, I bought a HOT RC ds 800 Hot RC remote control for a tow boogie, now I would like to make it either with a 3D printed shell (in two parts to be joined) or by using some existing idea or project. --- ## [Win an Apple Watch 11](https://foil.zone/t/win-an-apple-watch-11/26583)
**Author:** [@jenz](https://foil.zone/u/jenz)\ **Replies:** 0\ **Last updated:** [June 11, 2026, 12:54pm UTC](https://foil.zone/t/win-an-apple-watch-11/26583 "2026-06-11T12:54:04Z")
I’m running a raffle on instagram. Share a session recorded in the foil sessions app and tag @foilsessionsapp in the post, and you can win an apple watch. Fitting prize, since it’s the thing the app runs on. The raffle r… --- ## [Dead lift5 battery - tips to fix or repurpose?](https://foil.zone/t/dead-lift5-battery-tips-to-fix-or-repurpose/26542)
**Author:** [@Bkarsin](https://foil.zone/u/Bkarsin)\ **Replies:** 15\ **Last updated:** [June 7, 2026, 9:11am UTC](https://foil.zone/t/dead-lift5-battery-tips-to-fix-or-repurpose/26542 "2026-06-07T09:11:23Z")
Hi! I have a new lift5 and the battery recently died - no response and all LEDs dark no matter what I do. It happened after I updated firmware in my charger and battery, but not sure if that’s the cause. They’re sending … --- ## [Propeller for Maytech 6579](https://foil.zone/t/propeller-for-maytech-6579/26529)
**Author:** [@iasen\_vak](https://foil.zone/u/iasen_vak)\ **Replies:** 5\ **Last updated:** [June 6, 2026, 7:53pm UTC](https://foil.zone/t/propeller-for-maytech-6579/26529 "2026-06-06T19:53:22Z")
Hello everyone, for the last two days I’ve been playing and riding a foil powered by a Maytech 6579 motor in combination with a foldable propeller with stainless steel blades. I have the feeling that the motor is good,… --- ## [My simple bolt-on build on Maui (VESC, 6384, 10s2p)](https://foil.zone/t/my-simple-bolt-on-build-on-maui-vesc-6384-10s2p/17539)
**Author:** [@t-dub-maui](https://foil.zone/u/t-dub-maui)\ **Replies:** 91\ **Last updated:** [June 1, 2026, 12:08am UTC](https://foil.zone/t/my-simple-bolt-on-build-on-maui-vesc-6384-10s2p/17539 "2026-06-01T00:08:45Z")
Hi, I’ve been reading here for a while and recently completed my first build. Creating this thread to document my progress and lessons learned. My goal for this build was to build something simple similar to Foil Drive… --- ## [Jatem's Tow Boogie](https://foil.zone/t/jatems-tow-boogie/13006)
**Author:** [@Jatem](https://foil.zone/u/Jatem)\ **Replies:** 101\ **Last updated:** [May 25, 2026, 10:38am UTC](https://foil.zone/t/jatems-tow-boogie/13006 "2026-05-25T10:38:20Z")
I built a tow boogie based on Valhalla’s board setup. I wanted a battery with good durability (cycle life) for plenty of tow boogie sessions, so I used li-ion cells rather than lipos. The cells I’m using are Molicel… --- ## [Make the impossible possible : e-foil a 17 L board with a simple 6S DIY foildrive assist](https://foil.zone/t/make-the-impossible-possible-e-foil-a-17-l-board-with-a-simple-6s-diy-foildrive-assist/17952)
**Author:** [@nicolasLGM](https://foil.zone/u/nicolasLGM)\ **Replies:** 18\ **Last updated:** [May 24, 2026, 2:47am UTC](https://foil.zone/t/make-the-impossible-possible-e-foil-a-17-l-board-with-a-simple-6s-diy-foildrive-assist/17952 "2026-05-24T02:47:16Z")
After a first project quite efoil with 65161 and pelican suitcase, I embarked on a foil drive assist project thanks to the great inspirations of the DIY forum. First tests on a gong hipe 5.5 110L, and a 6S 20A lipo, it … --- ## [$2000 US Fliteboard build](https://foil.zone/t/2000-us-fliteboard-build/21004)
**Author:** [@stinkwhistle](https://foil.zone/u/stinkwhistle)\ **Replies:** 12\ **Last updated:** [May 18, 2026, 3:02pm UTC](https://foil.zone/t/2000-us-fliteboard-build/21004 "2026-05-18T15:02:26Z")
It all started in 2023 while visting Turks & Caicos and seeing my first two Fliteboards. Once I was back in the states I starting pricing them and found out real quickly it would be out of my budget for a weekend toy. I … --- ## [Putting together build sheet, any thoughts on this preassembled battery?](https://foil.zone/t/putting-together-build-sheet-any-thoughts-on-this-preassembled-battery/25889)
**Author:** [@MAH77](https://foil.zone/u/MAH77)\ **Replies:** 10\ **Last updated:** [May 15, 2026, 1:55am UTC](https://foil.zone/t/putting-together-build-sheet-any-thoughts-on-this-preassembled-battery/25889 "2026-05-15T01:55:27Z")
I’m putting together an excel spreadsheet with all the parts I’m going to need and I’m pretty intimidated by having to assemble my own batteries. I’ve found this same battery shown below for approximately $300 shipped (… --- ## [Looking for best way to weld 18650](https://foil.zone/t/looking-for-best-way-to-weld-18650/12477)
**Author:** [@X.omega](https://foil.zone/u/X.omega)\ **Replies:** 14\ **Last updated:** [May 14, 2026, 2:06pm UTC](https://foil.zone/t/looking-for-best-way-to-weld-18650/12477 "2026-05-14T14:06:53Z")
Hi guys! I m looking for a best way to weld my two battery pack of Lginr18650hg2 . The idea is make two 6s12p battery pack without bms . For the charge i want to use a balance cable with a balance charger and for the di… --- ## [Dissected a FoilDrive Gen 2 Max Battery](https://foil.zone/t/dissected-a-foildrive-gen-2-max-battery/23438)
**Author:** [@Jsonnett](https://foil.zone/u/Jsonnett)\ **Replies:** 25\ **Last updated:** [May 14, 2026, 5:52am UTC](https://foil.zone/t/dissected-a-foildrive-gen-2-max-battery/23438 "2026-05-14T05:52:59Z")
I have been off the forum for a little while and not sure if this has been covered yet but… If anyone is interested in seeing whats inside a Gen 2 Max battery… This is… well was… a 11s3p 40v v2 Max power battery. A fri… --- ## [Start of a new Gun Case Build (Input needed!)](https://foil.zone/t/start-of-a-new-gun-case-build-input-needed/21530)
**Author:** [@baein](https://foil.zone/u/baein)\ **Replies:** 116\ **Last updated:** [May 10, 2026, 9:06am UTC](https://foil.zone/t/start-of-a-new-gun-case-build-input-needed/21530 "2026-05-10T09:06:42Z")
Hey Guys! so I am en experience PEV builder, been part of some of the other forums, but now I am planning my new build and I see two obvious paths to travel down for my build. It feels like a no brainer to make it a gun… --- ## [Most salt resilient Flipsky motor](https://foil.zone/t/most-salt-resilient-flipsky-motor/26328)
**Author:** [@Philip32](https://foil.zone/u/Philip32)\ **Replies:** 4\ **Last updated:** [May 4, 2026, 12:51am UTC](https://foil.zone/t/most-salt-resilient-flipsky-motor/26328 "2026-05-04T00:51:49Z")
What Flipsky would you say hold up best in salt water? Do you need to fill half with corrosionX and ceramic bearings? Thinking of 7070 but outrunner maybe have more space for salt to come in? Would like 3-4kw cont to pl… --- ## [Maytech remote v2 - trouble with VESC UART data display](https://foil.zone/t/maytech-remote-v2-trouble-with-vesc-uart-data-display/6060)
**Author:** [@pacificmeister](https://foil.zone/u/pacificmeister)\ **Replies:** 21\ **Last updated:** [May 2, 2026, 8:19am UTC](https://foil.zone/t/maytech-remote-v2-trouble-with-vesc-uart-data-display/6060 "2026-05-02T08:19:54Z")
Hi everyone, I am back in the shop putting an efoil together, this time VESC based and with @Peter’s motor. Very promising. More details soon. So I received the v2 remote and I have trouble with the VESC UART communicati… --- ## [YAHEF Remote Control](https://foil.zone/t/yahef-remote-control/7206)
**Author:** [@YAHEF](https://foil.zone/u/YAHEF)\ **Replies:** 124\ **Last updated:** [April 28, 2026, 9:25am UTC](https://foil.zone/t/yahef-remote-control/7206 "2026-04-28T09:25:14Z")
First a big thank you to @Hiorth brothers for the initial design. I have just modified the lid to host some buttons and a larger display. My box is coming together and I will post an update quite soon but first I’d like… --- ## [Database for mast & plate](https://foil.zone/t/database-for-mast-plate/6820)
**Author:** [@SUP-MIKE](https://foil.zone/u/SUP-MIKE)\ **Replies:** 140\ **Last updated:** [April 17, 2026, 8:46pm UTC](https://foil.zone/t/database-for-mast-plate/6820 "2026-04-17T20:46:22Z")
Hello to everyone, it would be great to have a database were we can share infos - masts and mastplates are quite different - so I will start with these mastplates: FANATIC - 2019 2020 has another size - not easy to dis… --- ## [The Flying Remote](https://foil.zone/t/the-flying-remote/12605)
**Author:** [@YAHEF](https://foil.zone/u/YAHEF)\ **Replies:** 23\ **Last updated:** [April 14, 2026, 7:24pm UTC](https://foil.zone/t/the-flying-remote/12605 "2026-04-14T19:24:11Z")
I just wanted to share some information of what I’ve been doing during this Corona winter. It’s just a first prototype and far from ready. As you will see, there are still many things to test/adjust and a proper GUI is s… --- ## [DIY mast & wing sheap](https://foil.zone/t/diy-mast-wing-sheap/605)
**Author:** [@Flex](https://foil.zone/u/Flex)\ **Replies:** 88\ **Last updated:** [April 5, 2026, 2:14pm UTC](https://foil.zone/t/diy-mast-wing-sheap/605 "2026-04-05T14:14:20Z")
Hi, i just allways think about cost. My roule in life is " I want the best for free" (it never works btw). I find this site that can cut cost for mast and wing builders. This is just a start, please post if you find enyt… --- ## [3D printing props - preparing and slicing](https://foil.zone/t/3d-printing-props-preparing-and-slicing/5476)
**Author:** [@PowerGlider](https://foil.zone/u/PowerGlider)\ **Replies:** 8\ **Last updated:** [April 4, 2026, 4:24pm UTC](https://foil.zone/t/3d-printing-props-preparing-and-slicing/5476 "2026-04-04T16:24:41Z")
Printing good props is an art, it is rather complicated. A prop will always have large amount of overhangs, you need to deal with it, support seems to be no good idea because it disturbs the surface. Your slicer needs t… --- ## [DIY full carbon mast & blue carbon fiber wings from 3d printed molds ! (free for efoil builders)](https://foil.zone/t/diy-full-carbon-mast-blue-carbon-fiber-wings-from-3d-printed-molds-free-for-efoil-builders/7062)
**Author:** [@visor360](https://foil.zone/u/visor360)\ **Replies:** 84\ **Last updated:** [April 4, 2026, 1:14am UTC](https://foil.zone/t/diy-full-carbon-mast-blue-carbon-fiber-wings-from-3d-printed-molds-free-for-efoil-builders/7062 "2026-04-04T01:14:04Z")
Hi guys ! I have been working hard the past few months to make reusable 3d printed molds. It’s super easy make parts from these molds! So much easier than making molds by hand… Here are some pictures of the foil I made … --- ## [Lift efoil moto questions](https://foil.zone/t/lift-efoil-moto-questions/26189)
**Author:** [@angus](https://foil.zone/u/angus)\ **Replies:** 0\ **Last updated:** [April 1, 2026, 8:04pm UTC](https://foil.zone/t/lift-efoil-moto-questions/26189 "2026-04-01T20:04:20Z")
I have a old lift efoil moto and prop that i want to use to make a tow boogie What spec vesc do i need and what battery spec. Any help much appreciated Thanks --- ## [Ammo Box 6384 Winch Build](https://foil.zone/t/ammo-box-6384-winch-build/20002)
**Author:** [@foilinghopeful](https://foil.zone/u/foilinghopeful)\ **Replies:** 29\ **Last updated:** [March 30, 2026, 4:53am UTC](https://foil.zone/t/ammo-box-6384-winch-build/20002 "2026-03-30T04:53:40Z")
I’ve learned a ton on this forum, so I decided to contribute back with this post. This is my first build of this sort so any advice is much appreciated. Why a winch: I initially was thinking of making a tow boogie or … --- ## [100 50s cells. How to best utilize](https://foil.zone/t/100-50s-cells-how-to-best-utilize/26152)
**Author:** [@buestad](https://foil.zone/u/buestad)\ **Replies:** 5\ **Last updated:** [March 28, 2026, 5:54pm UTC](https://foil.zone/t/100-50s-cells-how-to-best-utilize/26152 "2026-03-28T17:54:30Z")
I have 100 21700 50s cells. Should I build 12s8p or 14s7p Motor is flipsky 65161 using a flite propeller. Foil is a Naish Thrust XL (~1500cm²) 14s has 2 more cells, so slightly more wh. 12s maybe safer and higher amp… --- ## [This is why I don’t feel that ducts add to safety](https://foil.zone/t/this-is-why-i-don-t-feel-that-ducts-add-to-safety/26136)
**Author:** [@Foilguy](https://foil.zone/u/Foilguy)\ **Replies:** 0\ **Last updated:** [March 22, 2026, 7:39pm UTC](https://foil.zone/t/this-is-why-i-don-t-feel-that-ducts-add-to-safety/26136 "2026-03-22T19:39:44Z")
--- ## [Hisun efoil not working after lay up](https://foil.zone/t/hisun-efoil-not-working-after-lay-up/26099)
**Author:** [@robin](https://foil.zone/u/robin)\ **Replies:** 3\ **Last updated:** [March 14, 2026, 8:12pm UTC](https://foil.zone/t/hisun-efoil-not-working-after-lay-up/26099 "2026-03-14T20:12:45Z")
My beloved hisun efoil has broken? I layed it up for the winter, now the controller doesn’t work! Probably water ingress causing corrosion over winter Motor and batteries test like new but i need to replace esc with fl… --- ## [Motor waterproofing and replacing phase wires](https://foil.zone/t/motor-waterproofing-and-replacing-phase-wires/20597)
**Author:** [@thuffam](https://foil.zone/u/thuffam)\ **Replies:** 24\ **Last updated:** [March 11, 2026, 11:33am UTC](https://foil.zone/t/motor-waterproofing-and-replacing-phase-wires/20597 "2026-03-11T11:33:21Z")
About to coat my motor (BDUAV 6384 120KV out-runner) with epoxy, have pulled the rotor and stator apart and have a couple of questions… How do you pull the top off the stator so I can uncover the top of the windings an… --- ## [XXL tow boogie/SIB e-boat (65161 14S12P servo-motor steering)](https://foil.zone/t/xxl-tow-boogie-sib-e-boat-65161-14s12p-servo-motor-steering/22617)
**Author:** [@Bzhwindtalker](https://foil.zone/u/Bzhwindtalker)\ **Replies:** 149\ **Last updated:** [March 7, 2026, 11:47am UTC](https://foil.zone/t/xxl-tow-boogie-sib-e-boat-65161-14s12p-servo-motor-steering/22617 "2026-03-07T11:47:31Z")
Hey all! I have a new project idea I need sanity checks on :laughing: I live landlocked far away from the sea, but I can go to the atlantic ocean (7 hours, family there) or mediterranean (3 hours, no family) pretty oft… [Previous page](https://foil.zone/c/efoil-builders/18.md) [Next page](https://foil.zone/c/efoil-builders/18.md?page=2)