Convert your old surf /race foil into an eFoil, PART 3 , PROP BALANCING

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Materials/ materiales
Epoxy resin, resina epoxi
carbon fiber powder, polvo de fibra de carbono o microbalones y pigmento negro
aluminium PE 4mm sandwich sheet, plancha de aluminio PE DE 4MM min 3:57 video
1cm EPS sheet min 1:20 video
Carbon fiber tubes water cooling and wires, tubos de f. carbono para refrigeración por agua y cables
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lipo battery
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[@guycohen007]

great work as usual!

[@123qco]

Como siempre un gusto ver como desarrollas tus proyectos.👌

[@Mike-fv9yl]

Thank you so much for your amazing videos and insight. I have been in the process of building an electric hydrofoil of my own for the past few months and was wondering what kind of phase and battery currents your more recent boards have been drawing in terms of maximum and when foiling? Thank you.

[@pablomartinez5453]

realmente eres inspirador

[@Jorix1234]

can you recomend the Maytech Motor/Kit/Parts ?

[@fogacaa68]

Muito legal amigo , faz dias que não recebo notificação de seus vídeos , até pensei que você estava parado um tempo com o projeto por causa da pandemia , fico feliz em assitir teu conteúdo um forte abraço aqui do Brasil

[@virus_virus]

Obrigado amigo, eu feliz tamen por verte aqui forte abraco!

[@10splay]

WOW IMPRESSIVE! How fast can you go on that thing? How much power does your battery give?

[@madezone5259]

good~

[@davidmccauley7068]

¿Qué tipo de motor y controlador de velocidad usaste? ¡gracias! What kind of motor and speed controller did you use? Thanks!

[@Toto-en8df]

Great riding skills! Can you tell more about your wing? Is it selfmade too? What profile and dimensions are you using?

[@virus_virus]

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[@kitemonkee]

very nice work, mate! what about the water pump (i can't see it anywhere) - is it not necessary? or is already part of ESC?

[@virus_virus]

its not necessary friend

[@kitemonkee]

@@virus_virus good to know that, thanks! i want to keep it simple as much as i can. so, is aluminium plate you used underneath the ESC enough for long ride out of water, or you need to "touch the water" sometimes to cool it down? or you mean that the water pipe system is fully functional without electric water pump? you mean that the forward pressure of water on the intake pipe (while you ride, of course) is strong enough to transfer the water about one meter upward to cool the ESC?

[@virus_virus]

@@kitemonkee YES!!, Without pump is better but you need to make a system with the hole like in my video

[@pablomartinez5453]

he comprado el kit maytech ... reduces la helice a 120 mm ? , otra cosa los conectores del motor que estan en el mastil del foil .. no los protejes de la humedad ?

[@pablomartinez5453]

disculpa mas 2 preguntas ...baterias 13 s quantos ah ? que tiempo de uso estas teniendo ?

[@virus_virus]

Hola. No hay una medida perfecta de diámetro de hélice. Por eso el jugar con tu tamaño de hélice resulta tan interesante para obtener las mejores prestaciones. El tamaño depende de más factores como el peso del conjunto y también del ala delantera su elevación. El kv del motor. Mi consejo es ir de más a menos hasta sentir que no hay cavitacion y el sistema vuela bien. Yo dije 120-140mm lo que va bien en mi efoil. Pero has de probar.

[@virus_virus]

Voy a 12s y calculo aprox 0,7A min pero depende como digo del ala del efoil de las condiciones pesos etc. puedes meter fácil un paquete para durar 1hora si tu sistema está bien optimizado.

[@CH-Kiteboarder]

Nice!! Is the meytech esc much bether than the vesc 757300 ?

[@virus_virus]

Sorry I cant test your Vesc but I prefer a full waterproof parts and simplicity

[@CH-Kiteboarder]

@@virus_virus i am thi king about to weld the housing of the vesc to tha mast baseplate for the cooling. And then i seal the top of the vesc with epoxy or some silicon like stuff (poliklex 444) Or weld a it in front of the motormount 🤔 even more cooling

[@virus_virus]

PKuster ok similar to fliteboard, but I prefer the water, continuous cooling, its free and 0 problems. I can put my ESC or vesc in other better positions for the efoil weight balance, isolation etc, but I respect and I also learn from other builds.

[@pablomartinez5453]

el sistema de tapa lo consigues donde ?

[@pablomartinez5453]

He conseguido ya en brasil... es tapa para inspección

[@pablomartinez5453]

8 pulgadas ?

[@virus_virus]

La tapa o escotilla o hatch la consigo por internet, eBay. Pero es importante elegir el modelo Burton de mejor calidad y cierre. De 8’

[@avsharkov]

Cool! how long you can ride?

[@virus_virus]

0,7A /min

[@deniszhuravlev9874]

@@virus_virus 42ah/h... it to high. What is your battery voltage?

[@virus_virus]

@@deniszhuravlev9874 12s

[@mathias2410]

what is the volume of the board?

[@virus_virus]

50-60 litres