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by Onda
Tue Jun 19, 2018 7:34 am
Forum: Kitesurfing
Topic: Slingshot SST vs Ozone Reo
Replies: 18
Views: 7932

Re: Slingshot SST vs Ozone Reo

Update on the 9 m² SST: I´ve flown it exactly 3 times. Totally useless for waveriding from my point of view! This sluggish monster generates way too much power / pull for me. Veeeery slow, veeeeeeeeeery much pull. Nice drift, though... Sold it again, staying with the 10 m Reo V3. Still searching for...
by Onda
Mon Jun 18, 2018 8:00 am
Forum: Hydrofoil
Topic: High Lift Wings like Moses 633 Onda: who is it for?
Replies: 26
Views: 17007

Re: High Lift Wings like Moses 633 Onda: who is it for?

As it is with current fuse, my 633 on a 105cm carbon mast already floats horizontally for 15-30 seconds when I fall off. I often need to push it down to maneuver the board... As a total foil beginner (2 sessions on my Moses 633 / Groove Skate) I can acknowledge that. The floating wing makes straple...
by Onda
Fri Jun 15, 2018 7:14 am
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Re: Corrosion on Aluminium parts (Moses fuselage)

Electrical isolation of the screws isn´t sufficient in this case. Even if you´d isolate the screw heads by e.g. plastic washers, there´s still the strong contact between the conical part of the mast (bare carbon) and the fuselage (the tuttle connection). With the µm-thin Al2O3-layer as the only isol...
by Onda
Thu Jun 14, 2018 3:59 pm
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Re: Corrosion on Aluminium parts (Moses fuselage)

Excellent, plummet. I studied electro chemistry and know a bit about electrochemical cells :wink: The corrosion will always happen as soon as you bring Aluminium and carbon into electrically conductive contact and add an electrolyte (sea water). No crevice is neededf or this. However, a crevice - wh...
by Onda
Thu Jun 14, 2018 7:11 am
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Re: Corrosion on Aluminium parts (Moses fuselage)

The raised white crust usually occurs above pitting and is a hydrated form of the alumina, itself quite insoluble in water and to an extent protective. But it wouldn't be there so soon if the anodization was done correctly. In the interim, consider getting in a habit of wiping all the aluminum with...
by Onda
Thu Jun 14, 2018 7:06 am
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Re: Corrosion on Aluminium parts (Moses fuselage)

bigcane wrote:
Wed Jun 13, 2018 9:14 pm
been riding Moses for over a year now. The white spots on the fuse you see after riding are usually grease spots that are originating from the screw connections. ...
Believe me, I´m quite able to distinguish grease spots from aluminium corrosion!
by Onda
Thu Jun 14, 2018 7:00 am
Forum: Hydrofoil
Topic: Storm voyager vs other strutless
Replies: 7
Views: 3697

Re: Storm voyager vs other strutless

I´ve tried Cloud C1, LF Solo (first Edition), Storm Voyager II and North Mono 2016/2017. Apart from the Mono, all single or no-strut kites for me have the same downside: A lack of depower. As soon as the wind picks up just a bit for the respective kite size, they get quite a bit of a handful and are...
by Onda
Wed Jun 13, 2018 6:19 pm
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Re: Corrosion on Aluminium parts (Moses fuselage)

The mast connector to fuselage is bare carbon, thus my worry. That’s why super proper anodization is so important.
I don’t think any coating on the mast would help due to the friction while mounting.
by Onda
Tue Jun 12, 2018 9:30 pm
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15672

Corrosion on Aluminium parts (Moses fuselage)

Hi all, after having ridden my Moses foil in North Sea water for less than 3 hours during its first use I´ve been irritated to see clear signs of corrosion on the fuselage. The shiny black (anodized) surface was covered with numerous elevated white spots of Al2O3 (alumina). These corrosion spots wer...
by Onda
Tue Jun 12, 2018 8:12 am
Forum: Hydrofoil
Topic: Groove Skate
Replies: 57
Views: 29118

Re: Groove Skate

Hi all, I´ve waited for my Skate for almost 7 weeks... Michele seems to be quite overloaded. Finally it arrived and I was able to use it for the first time last weekend. BTW my first foiling session with the Skate and Onda 633 (first "own" session after a 1 h course with Gunnar at Flag Beach back in...

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