jeffM
September 20, 2018, 7:17am
1
Feedback after 50/60 hours of ride
No issue on motor, gearbox (sss 500kv, neugart 5:1)
I have 2 lipsseal after the gearbox => no leak but the shaft after the last lipseal is a little corroded (bad shaft)
I changed my ESC by a flier 400A because the seaking was too hot without watercooling
https://fr.aliexpress.com/item/Flier-12S-400A-electric-speed-controller-esc-for-rc-drone-aircraft-airplane/32823311938.html?spm=a2g0s.9042311.0.0.27426c37XeRuQY
I installed another copper/alu cooling on the back of this ESC (very nice 40/50°c inside the box, without water cooling)
I improved the cooling of lipo aluminuim box, add two opening on the back of the board, and change the top cover’(in plexi) by an aluminium plate.
No issue/leak on the remote but the coating has yellowed,
the safety works perfectly, the power stop imediately when you fall
So I’m very happy with this efoil, but the main problem for me is the weight, that why I started a new Efoil in full carbon and a diet :)
10 Likes
Toto44
September 20, 2018, 8:50am
2
Hi Jeff, good job! That is a long runtime.
Can you tell me more about your safety switch?
jeffM
September 20, 2018, 5:30pm
3
I use a kilovac relay and magnetic switch with a little relay for reverse the signal
1 Like
Nice job! What is the current operating weight?
1 Like
Thanks for the feedback! Congrats on a successful build with so much run time!
What is your feedback on the DXF batteries? I haven’t seen this brand before but looks like a cheaper option. Where did you get them from?
1 Like
which kilovac relay do you use ? did you connected it betwween the two 6s or battery/esc?
thank you
jeffM
September 25, 2018, 7:10am
7
Efoil + 2 batteries 12S 20A => 17.5 kg + 5 kg = 22,5 kg
Efoil + 2 batteries 8S 22A => 21 kg
1 Like
jeffM
September 25, 2018, 7:13am
8
I’m going to complete the lipo feedback post soon
here : Lipos : test, feedback, temp, - Electronics (ESC, remote, batteries) - FOIL.zone
but to summarize they heat less than the multistar
it’s 25C, multistar 10c (in reality only 3/4 C)
Nice work! What kind of lip seals did you use? Ebay link?
thank you!
Hiorth
September 28, 2018, 8:03pm
12
Do you have a picture of the propulsion unit? any issues with it?
jeffM
October 2, 2018, 4:08pm
13
yes
No issues with it
I just need to replace my 8mm shaft due to a Corrosion
that’s why it’s important to have 2 lip seals
3 Likes
FARID
December 26, 2020, 7:31am
14
Good afternoon, Jeff. Could you show me the exact wiring diagram? I’m not very good at electrics, please tell me how or more precisely what is the small relay magnetized to? Thank you very much in advance!
SoEFoil
December 26, 2020, 11:08am
15
Things happen in this thread now:
‘Efoil V3 - STL files for Gong foil and Flipsky motor 12mm - Parts list - Schematics - #109 by jeffM ’
New schemactic for my V4, more simple and compact design :
New dead man switch home made, normaly close
New fuse 200A home made
New kilovac 48V
Removal :
Pump
Inverter relay
Magnetic switch NO
Circuit breaker 150A waterproof
Sbec 12V 5V
[Capture3] [Capture] [Capture2] [IMG_6873]
1 Like
jeffM
December 28, 2020, 9:30am
16
thanks SoEfoil
Farid => it’s my 1st Efoil, but the schematics is the same like my V3