# Propulsion System (Motor, Gears) **URL:** https://foil.zone/c/efoil-builders/propulsion-system-motor-gears/8.md?page=1 [Latest](https://foil.zone/latest.md) · [Categories](https://foil.zone/categories.md) · [Tags](https://foil.zone/tags.md) **Page:** 2 --- ## [Why I wont give out designs](https://foil.zone/t/why-i-wont-give-out-designs/5532)
**Author:** [@Jezza](https://foil.zone/u/Jezza)\ **Replies:** 31\ **Last updated:** [December 7, 2023, 8:29am UTC](https://foil.zone/t/why-i-wont-give-out-designs/5532 "2023-12-07T08:29:56Z")
This is addressed to everyone… Lately I have found numerous users on the site (some that have not even posted publicly) PM’ing me and requesting designs for mast clamps, adaptors props etc. Let me be clear: I will not … --- ## [New waterproof Alloy V+ESC Box](https://foil.zone/t/new-waterproof-alloy-v-esc-box/8645)
**Author:** [@ELEVATE.rocks](https://foil.zone/u/ELEVATE.rocks)\ **Replies:** 29\ **Last updated:** [November 27, 2023, 7:11am UTC](https://foil.zone/t/new-waterproof-alloy-v-esc-box/8645 "2023-11-27T07:11:57Z")
For all those who have problems in waterpoofing their ESC and cooling problems we can offer a custom made CNC alloy box to all DIY, that can be used as a multi-attachement between mast plate and the surfboard. This ensur… --- ## [Motorized Stand Up Paddle : your advises](https://foil.zone/t/motorized-stand-up-paddle-your-advises/7939)
**Author:** [@momo83](https://foil.zone/u/momo83)\ **Replies:** 22\ **Last updated:** [November 5, 2023, 3:02pm UTC](https://foil.zone/t/motorized-stand-up-paddle-your-advises/7939 "2023-11-05T15:02:25Z")
First, I don’t want to fly but only boost my SUP for catching waves ( 5 seconds max) or for moving slowly. So, I think 2000W motor is enough for my goal with 6s battery . Minimum weight is the target (no gearbox) whic… --- ## [Toroidal Propellors](https://foil.zone/t/toroidal-propellors/17518)
**Author:** [@Mattchatman](https://foil.zone/u/Mattchatman)\ **Replies:** 163\ **Last updated:** [November 4, 2023, 9:34pm UTC](https://foil.zone/t/toroidal-propellors/17518 "2023-11-04T21:34:37Z")
Is anyone experimenting with a 3d Printed Toroidal Propellor? People are experimenting with them for quadcopter propellors, and their are some on the market for boats that make claims of increased efficiency. Just some … --- ## [Flipsky motor 65161/120kv disassemble](https://foil.zone/t/flipsky-motor-65161-120kv-disassemble/12822)
**Author:** [@coulpi](https://foil.zone/u/coulpi)\ **Replies:** 19\ **Last updated:** [October 27, 2023, 5:51pm UTC](https://foil.zone/t/flipsky-motor-65161-120kv-disassemble/12822 "2023-10-27T17:51:15Z")
Hi I would like to disassemble flipsky motor, to put corrosion X But I didn’t to disassemble Is there a process ? --- ## [New version of 65161](https://foil.zone/t/new-version-of-65161/16590)
**Author:** [@Jatem](https://foil.zone/u/Jatem)\ **Replies:** 7\ **Last updated:** [October 24, 2023, 2:29am UTC](https://foil.zone/t/new-version-of-65161/16590 "2023-10-24T02:29:11Z")
Flipsky have a new version of 65161, which seems to have a different main seal configuration… At a glance, it doesn’t seem to have any threaded holes on the propellor end to allow mounting a propellor fairing/hub. --- ## [Effect of motor size on efficiency at fixed power](https://foil.zone/t/effect-of-motor-size-on-efficiency-at-fixed-power/18855)
**Author:** [@tve](https://foil.zone/u/tve)\ **Replies:** 13\ **Last updated:** [August 20, 2023, 4:01pm UTC](https://foil.zone/t/effect-of-motor-size-on-efficiency-at-fixed-power/18855 "2023-08-20T16:01:40Z")
I’m trying to build a drive for a powered ocean racing kayak (surfski) and am trying to understand motor size (& weight). The short form of the question I have is: given operation at moderate fixed electrical power (150W… --- ## [What makes a powerful brushless motor?](https://foil.zone/t/what-makes-a-powerful-brushless-motor/18743)
**Author:** [@SoEFoil](https://foil.zone/u/SoEFoil)\ **Replies:** 3\ **Last updated:** [August 2, 2023, 5:14pm UTC](https://foil.zone/t/what-makes-a-powerful-brushless-motor/18743 "2023-08-02T17:14:38Z")
I came accros this video from SunnSkyRC.com : weight: 26 grams, static thrust in air : 680grams so a X26 multiplying factor Then discovered: Manufacturer site: http://en.rcsunnysky.com/x-fixedwingseries/1… --- ## [3D-printed folding propeller](https://foil.zone/t/3d-printed-folding-propeller/8861)
**Author:** [@superlefax](https://foil.zone/u/superlefax)\ **Replies:** 111\ **Last updated:** [July 28, 2023, 9:36am UTC](https://foil.zone/t/3d-printed-folding-propeller/8861 "2023-07-28T09:36:41Z")
I’m moving to the sea for the next month and urgently need a folding propeller :slight\_smile: Does someone already started with a good design and is willing to share it with us. I want to make one for the FS65161 motor… --- ## [Silly question, scubajet + folding prop](https://foil.zone/t/silly-question-scubajet-folding-prop/18500)
**Author:** [@ag4171](https://foil.zone/u/ag4171)\ **Replies:** 11\ **Last updated:** [July 23, 2023, 4:12pm UTC](https://foil.zone/t/silly-question-scubajet-folding-prop/18500 "2023-07-23T16:12:10Z")
Hi everyone! Just a simple silly question ( because I have no idea about this subject) I have a scubajet like this: https://www.scubajet.com/media/Scubajet\_UserManual-EN\_2023.pdf , it’s the 1000w one Its supposed to… --- ## [Fastest way to waterproof outrunner](https://foil.zone/t/fastest-way-to-waterproof-outrunner/18515)
**Author:** [@Jezza](https://foil.zone/u/Jezza)\ **Replies:** 8\ **Last updated:** [July 3, 2023, 11:03am UTC](https://foil.zone/t/fastest-way-to-waterproof-outrunner/18515 "2023-07-03T11:03:40Z")
Dues to my Maytech assist motor just not having the goods, I’ve purchased Flipsky battle hardened 6384 170Kv motor to see if it will be successful. The rotor already has extra epoxy so I’m not entirely concerned about it… --- ## [SUP e-assist with 66112 Motor - Newbie need help!](https://foil.zone/t/sup-e-assist-with-66112-motor-newbie-need-help/18065)
**Author:** [@JKSniper](https://foil.zone/u/JKSniper)\ **Replies:** 15\ **Last updated:** [May 20, 2023, 6:06am UTC](https://foil.zone/t/sup-e-assist-with-66112-motor-newbie-need-help/18065 "2023-05-20T06:06:48Z")
Hey! I’m newbie here and probably on a wrong forum too. But I DIY a lot, coming from RC airplane world and have all the necessary machines at home to make the project (Metalworking CNC, Carbon fiber cutting CNC, 3D prin… --- ## [Waterproof 6374 with no shaft for efoil?](https://foil.zone/t/waterproof-6374-with-no-shaft-for-efoil/17043)
**Author:** [@brycej](https://foil.zone/u/brycej)\ **Replies:** 6\ **Last updated:** [April 27, 2023, 3:06am UTC](https://foil.zone/t/waterproof-6374-with-no-shaft-for-efoil/17043 "2023-04-27T03:06:38Z")
Fully waterproof, can be work under water Ceramic bearing, corrosion prevention 1 Meter length wires Epoxy coated stator coil and magnets Battle harden rotor Looks like this was made for foil drive or efoil. Anyone … --- ## [What's the max reasonable motor current for a 6384?](https://foil.zone/t/whats-the-max-reasonable-motor-current-for-a-6384/17954)
**Author:** [@t-dub-maui](https://foil.zone/u/t-dub-maui)\ **Replies:** 4\ **Last updated:** [April 12, 2023, 6:39am UTC](https://foil.zone/t/whats-the-max-reasonable-motor-current-for-a-6384/17954 "2023-04-12T06:39:45Z")
Does anyone know what’s the maximum reasonable motor current for a typical 6384 motor? At what point does stator saturation set in? Is there an easy way to figure it out experimentally? --- ## [63xx motors suppliers](https://foil.zone/t/63xx-motors-suppliers/17928)
**Author:** [@NickOldfield](https://foil.zone/u/NickOldfield)\ **Replies:** 7\ **Last updated:** [April 8, 2023, 11:47am UTC](https://foil.zone/t/63xx-motors-suppliers/17928 "2023-04-08T11:47:24Z")
I’ve ordered two 6384 motors from different suppliers and both are actually only 6374! Hasn’t been much of an issue as I can efoil at 28kmph at 12s and pump up and efoil at 6s. Where is everyone getting their motors fr… --- ## [70141 / 70131 waterproof motors](https://foil.zone/t/70141-70131-waterproof-motors/8615)
**Author:** [@SoEFoil](https://foil.zone/u/SoEFoil)\ **Replies:** 27\ **Last updated:** [March 26, 2023, 7:33pm UTC](https://foil.zone/t/70141-70131-waterproof-motors/8615 "2023-03-26T19:33:52Z")
https://www.aliexpress.com/item/4001030268349.html A diffferent design from Reacher/Maytech/ with 10mm shaft. Found in the specs: : \* Applicable People: MEN So you are warned :wink: I don’t know what this means: \* p… --- ## [HGLTECH 100Kv Test and Comparison](https://foil.zone/t/hgltech-100kv-test-and-comparison/9553)
**Author:** [@Jezza](https://foil.zone/u/Jezza)\ **Replies:** 124\ **Last updated:** [March 22, 2023, 12:52pm UTC](https://foil.zone/t/hgltech-100kv-test-and-comparison/9553 "2023-03-22T12:52:50Z")
After a little bit of a bumpy road when first joining the efoil.builders forum and a bit of a postage issue with Felix, HGL reached out to me and asked me if I was prepared to review their one motors for them and chat ab… --- ## [New propeller from flipsky 120mm](https://foil.zone/t/new-propeller-from-flipsky-120mm/17560)
**Author:** [@windego](https://foil.zone/u/windego)\ **Replies:** 13\ **Last updated:** [March 15, 2023, 7:35pm UTC](https://foil.zone/t/new-propeller-from-flipsky-120mm/17560 "2023-03-15T19:35:49Z")
What do you propeller gurus think about this one? I received the 7 1/4 with my 65161 motor and plan to cut it to 140mm as suggested. But for $45 I may just get one of these. --- ## [Trueglide working](https://foil.zone/t/trueglide-working/17738)
**Author:** [@gonon](https://foil.zone/u/gonon)\ **Replies:** 5\ **Last updated:** [March 15, 2023, 7:20pm UTC](https://foil.zone/t/trueglide-working/17738 "2023-03-15T19:20:03Z")
who can explain how the FLITE true glide system works, I mean how the propeller can be free and how its clutch again !!!drawing and pics welcome !!! --- ## [Is there a way to estimate the thrust of a setup?](https://foil.zone/t/is-there-a-way-to-estimate-the-thrust-of-a-setup/15891)
**Author:** [@NetNet101](https://foil.zone/u/NetNet101)\ **Replies:** 7\ **Last updated:** [March 10, 2023, 1:46pm UTC](https://foil.zone/t/is-there-a-way-to-estimate-the-thrust-of-a-setup/15891 "2023-03-10T13:46:42Z")
Hi, here again with the janky, cheapo E-surf build. I’m again considering different motors and batteries to buy, and have come here for a bit of insight. Right now my plan is to buy 4 Turnigy 20,000mAh Li-Po batteries, … --- ## [Extend cable on Flipsky 65162 Motor](https://foil.zone/t/extend-cable-on-flipsky-65162-motor/16823)
**Author:** [@senf2](https://foil.zone/u/senf2)\ **Replies:** 4\ **Last updated:** [February 21, 2023, 3:33pm UTC](https://foil.zone/t/extend-cable-on-flipsky-65162-motor/16823 "2023-02-21T15:33:40Z")
Hi, i bought an mast with Flipsky 65162 Motor. The cable is about 10 cm above the mast. For my usage it is to short. I m thinking of to change the cable to a complete new one. Ist it Possible to change it? I couldn´t fin… --- ## [Drag if empty space between motor and propeller](https://foil.zone/t/drag-if-empty-space-between-motor-and-propeller/17494)
**Author:** [@nicolasLGM](https://foil.zone/u/nicolasLGM)\ **Replies:** 2\ **Last updated:** [February 7, 2023, 1:24am UTC](https://foil.zone/t/drag-if-empty-space-between-motor-and-propeller/17494 "2023-02-07T01:24:39Z")
Hello, I have a 63100 motor with custom shaft (like 65161 flipsky shaft), on which I put a folding propeller from EML Store. Does the empty space between the propeller and the motor generates a significant drag that shou… --- ## [Flipsky fesc 75200 vs 75300 and 65161 motor](https://foil.zone/t/flipsky-fesc-75200-vs-75300-and-65161-motor/17211)
**Author:** [@windego](https://foil.zone/u/windego)\ **Replies:** 22\ **Last updated:** [January 23, 2023, 1:31pm UTC](https://foil.zone/t/flipsky-fesc-75200-vs-75300-and-65161-motor/17211 "2023-01-23T13:31:57Z")
I am in the decision mode between these 2 esc. In the forum I see a lot of the 75200 being used but not so much the 300. Since this is a new build I am thinking go bigger for headroom in the capacity. But is there a prob… --- ## [Question for other using VESC regarding motor RPM](https://foil.zone/t/question-for-other-using-vesc-regarding-motor-rpm/16339)
**Author:** [@Mattchatman](https://foil.zone/u/Mattchatman)\ **Replies:** 10\ **Last updated:** [January 20, 2023, 6:54am UTC](https://foil.zone/t/question-for-other-using-vesc-regarding-motor-rpm/16339 "2023-01-20T06:54:17Z")
Question for others using VESC regarding motor RPM. I’m running at 50 volts, My ERPM is maxing out at 18000 which indicates 3000 rpm unloaded (spinning in air) 18000ERPM/6 poles is 3000rpm, I’ve verified that is correct… --- ## [Direct drive inrunner vs outrunner for e-foil](https://foil.zone/t/direct-drive-inrunner-vs-outrunner-for-e-foil/15889)
**Author:** [@alexx86](https://foil.zone/u/alexx86)\ **Replies:** 7\ **Last updated:** [December 20, 2022, 5:48pm UTC](https://foil.zone/t/direct-drive-inrunner-vs-outrunner-for-e-foil/15889 "2022-12-20T17:48:29Z")
Hello all, Thank you for a great forum with a lot of good inputs! I am in the process of trying to convince myself (and my wife) to start to build an e-foil. My thinking is to start with the propulsion unit and test it… --- ## [How to get a good impeller (for jet propulsion)](https://foil.zone/t/how-to-get-a-good-impeller-for-jet-propulsion/1459)
**Author:** [@WNT](https://foil.zone/u/WNT)\ **Replies:** 24\ **Last updated:** [December 1, 2022, 1:35am UTC](https://foil.zone/t/how-to-get-a-good-impeller-for-jet-propulsion/1459 "2022-12-01T01:35:57Z")
Hello, I have been doing research and development for increasing the efficiency of impellers (and propellers) for many years. Today I know very much about the hydrodynamics of the impellers. That’s why I can design a im… --- ## [Problem upgrade and motor - Flipsky motor 65161/120kv & FSESC 200a 60v](https://foil.zone/t/problem-upgrade-and-motor-flipsky-motor-65161-120kv-fsesc-200a-60v/12392)
**Author:** [@coulpi](https://foil.zone/u/coulpi)\ **Replies:** 2\ **Last updated:** [October 14, 2022, 11:42am UTC](https://foil.zone/t/problem-upgrade-and-motor-flipsky-motor-65161-120kv-fsesc-200a-60v/12392 "2022-10-14T11:42:53Z")
Hello, I have Flipsky motor 65161/120kv & FSESC 200a 60v When I accelerate the motor makes noise but does not turn is there a meaning to respect for the connection of the motor? --- ## [New Goldenmotor MOX9 Marine motor, seal-less motor](https://foil.zone/t/new-goldenmotor-mox9-marine-motor-seal-less-motor/15723)
**Author:** [@Slewentogzz](https://foil.zone/u/Slewentogzz)\ **Replies:** 9\ **Last updated:** [September 7, 2022, 4:29pm UTC](https://foil.zone/t/new-goldenmotor-mox9-marine-motor-seal-less-motor/15723 "2022-09-07T16:29:58Z")
Hi all, I just found out that Goldenmotor has launched a new electric outboard motor, called the “EZoutboard eXtreme”. Goldenmotor has made electric outboards for quite a long time but this new lineup sparked my interest… --- ## [Contra Rotating Propeller](https://foil.zone/t/contra-rotating-propeller/2276)
**Author:** [@theone](https://foil.zone/u/theone)\ **Replies:** 24\ **Last updated:** [September 4, 2022, 2:16pm UTC](https://foil.zone/t/contra-rotating-propeller/2276 "2022-09-04T14:16:21Z")
Interested to know what you guys think about Counter Rotating Propeller CRP ? Advantages: • Counteracting the propeller torque. • Small increase in efficiency (Some claim 10%) • Higher speed for smaller diameter … --- ## [Keyway Shaft Practicality?](https://foil.zone/t/keyway-shaft-practicality/16586)
**Author:** [@Myndset](https://foil.zone/u/Myndset)\ **Replies:** 4\ **Last updated:** [September 1, 2022, 10:09pm UTC](https://foil.zone/t/keyway-shaft-practicality/16586 "2022-09-01T22:09:46Z")
Hi Folks - Relatively new and doing my absolute best to read, read, read… lots to digest. My use case is not specific to an e-foil but rather a larger hull (small boat (kayak), ~13ft, 120lb hull) which I plan to use tw… [Previous page](https://foil.zone/c/efoil-builders/propulsion-system-motor-gears/8.md) [Next page](https://foil.zone/c/efoil-builders/propulsion-system-motor-gears/8.md?page=2)