Gday and welcome to kitesurfing.

having recently gone through the start phase i can freshly comment on my experience.
Im 181cm. and 95kg so in the same bracket as you. (Plump bastards)

my best board size is 141x 43. And kites are 17,12,9.

I think the 14 and 10 is a pretty good range for your size with the 139 x 42 board. Fitting the bill for the upper end of the wind range for those kites. So if were me i would be looking for a board that catered the low end of the wind range which would be a bigger volume with not a lot of rocker. Somewhere around 144. To 148 lenngth. And 43 to 46 widrh

a cab spectrum comes to mind. I dont have one and havent ridden one thats just an example.

Hi Damigu

13-22 knots is not a whole lot of wind for a 100kg beginner in open ocean with waves/current.

Since you are not yet riding, you will have a great advantage of having a very large board and a big kite in sub 20 knots at the moment.

However, once you get more experience (which could be in just a few weeks) you will soon realize a big board is more of an inconvenience, especially in more winds and more choppy water.

When I teach my students to ride for the first few times, especially those without any board sport background, a very large board is a great tool. However, once they can go left and right comfortably and consistently, it's time to switch back to normal board sizes. Normal sized boards are easier to edge and control, especially at higher speed and in higher winds / choppier waters.

Remember that light winds and ocean/waves will greatly challenge you as a beginner so expect that it will take more time to learn in those conditions, you have to be patient.

My advice is get a big board first (probably bigger than 146cm) and later keep it as a light wind board, then buy something smaller like 140cm for strong wind days. Having 2 boards makes much more sense than buying more kites.

Also keep in mind that 22 knots is more than 3x times the power delivery in your kite compared to the power delivery in 13 knots.

Chances are if you have less than 15 knots of warm sea breezes you won't even be able to get going at this stage in the ocean, regardless of what equipment you have.

Christian

Thanks for the answers everyone ...
I learned with a 155 board and it was indeed super easy so maybe going directly to 139 was too ambitious :p ...
Does it make sense to buy a 146 AND a 140 ? Or would you say that buying bigger than 146 is better ? The problem is that I do not find bigger boards than this ...

^^^This is a great example of what suits one person may not work for another....

I am 96kegs and only have one board, a 136 x 41 and predominately one 11m kite....

I kite in anything from 14 - 30+ knts, a little bit of tide assist helps on the low end, but can still stay upwind without it.

have a 9m as well that prolly only gets used 3 times a year.

I wouldn't get rid of that 139 board just yet,,,,it could be ur best friend real soon

I have sold a number of Flydoor XL's (170x50) to bigger guys (100-120kg) and they all froth about them. It gets them up and riding in lighter winds, yet is still fun in 20+ knots. These 'Doors can be easily jumped, backrolls - you name it. They go upwind brilliant because they have a centre fin.

If you are going big - I would say go really big for your first board and then like 138-140 as your second "normal" board for when you progress.

I cant see much sense in buying a 138 and 144 for example. And I can't imagine you ever need smaller than 138