I have been going though the forums for a few weeks gathering information and have this list for my first backpack assist.
I will appreciate if someone can comment if this looks reasonable or not, before I start ordering components:
-Saite 6384
-Flycolor 150A ESC
-2x in series 6S2P 8400mAh Molicel P42A with XT90 connection
-Flipsky vx5 remote
-Camdenboss waterproof enclosure
-Flipsky 2 folded aluminium prop
Apart from cables and plugs, are there other things I am missing? Would it be reasonable to change motor to flipsky 6384 and ESC to 75200, to keep more parts from the same manufacturer?
Saite is a good choice, not the cheapest option but itâs of better quality than the BDUAV Ali Express motor and has thicker cables. It also has a longer stator and rotor magnets which means more torque. If you purchase it directly from Saite (or from them over Alibaba) you can get it with the cut shaft. You can also get it âwaterproofedâ with epoxy and ceramic bearings. I got mine just with a cut shaft. The inside of my rotor is coated, although I did not ask for it. The stator needs some coating. I swapped the bearings for stainless steel, they last longer than ceramic.
For the prop I donât know how good the flipsky performs, 3 blade original FD is best according to people Inknow and tested differen folding props. Unfortunately it is also the most expensive one @ around 300$.
The Flipsky prop is allright if it stays submerged, but doesnât like breaching at all and is best use for light efoil rather than assist duties (Motor low and not motor high).
The FD 3 blade prop is indeed the best assist prop so far, I use a carbon prop molded of it and it is smooth and silent, breaches well and does not over torque (high phase amps) on the 120kv / 12 S setups.
The Foil Drive 6374 Saite motor is 130kv. Not sure what the High Power is but itâs really just a 6384, not sure of the kv. Chris from Saite knows all the details on cut off shaft etc.
Itâs pretty easy to replace the cables on the cheap Aliexpress 6384 120kv.
Iâm light weight but the 6374 Saite actually has heaps of grunt. Foil Drive need the three blade prop because they current limit to protect Gen2 VESC and to presumably ensure good battery life.
Iâve have an old setup with 6374, 10S3P and HobbyWing Max5 Gen2 esc. That setup with twin blade foil drive props will get 100kg beginner up on foil on a 5â7 x 28â âsoap-barâ wing board.
130 kv sensorless, you donât need a shaft, you can ask them to cut it. You mount the prop directly to the bell (rotor of the outrunner).
The shaft exits on the stator side, hence is in the way as you want to install the motor as close as possible to the mast.
75100 has inbuilt bec, so nice and easy. You could certainly use that connector if it all fits physically. There isnât much room left in the smallest Camdenboss box!
Definitely anti spark connectors
You can aslo build a wire harness yourself with just th two male connectors to connect the batteries. Like that you can adapt the lenght of the cables and positions of the connecters for optimum fit if space is limmited. Antispark on battery side is recommended.
Iâm using the bottom one, but buy it without the key. The non pro version will fit into the Camdenboss box. Make sure you get the version with the aluminium pcb
Like this one
I just found this on AliExpress: AU$277.47 | Flipsky 75100 With Aluminum PCB Based on VESC For Electric Skateboard / Scooter / Ebike Speed Controller https://a.aliexpress.com/_msn1PHP
Just start ordering and went for the 75100 from the link
I will also make a custom harness to run the batteries in series, will 10AWG be thick enough cable?
And what thickness do you run to the motor?
Sorry for all the questions, and thanks for all the help!
10awg is plenty thick enough - maybe too thick, 12awg is fine.
I run 2.5mm2 cable from backpack to motor.
I use Lapp cable 3 x 2.5 with PUR sheath.
This sheath is super tough and should be available in Europe. It also perfectly fits with my cable gland and inline cable connectors
I am talking now with Saite through Alibaba and price for one waterproofed 6384 130kv started at 172$, then 44$ shipping and now they are asking for 54$ extra for taxes.
And they still canât guarantee that it wonât be stopped in customs and charged 25% taxes on top of everything else.
Is this what you have paid?
I understand Saite is more expensive, but for the moment price is increasing for every message I get
They also charged me taxes but I still had to pay VAT after importing it. Motor including shipping with UPS was 157$. Mine is not a âwaterproofedâ version, it just has the shaft cut.
I have not yet waterproofed the 6384 but I run a 63100 in an efoil setup for some years. I coated the sator with normal epoxy. For the rotor I used thickened epoxy with micro ballons to fill the gaps between the magnets. I mainly run it in fresh water. I had to change the bearings after 500km and recoated it twice in 4 years.
