I’m 95kg. By the time I start learning to kitefoil I will be riding comfortable up and down wind on my twin tip.
I had such a laugh at this!!!
It is so similar to my own story, only replace twin-tip with surfboard, add another 10Kg, and an even tougher foil!
1) your difficulty in kitefoiling, if your are still a beginner, will be kite control, nuancing the power of the kite, learning the tricks to waterstart, etc. It is going to be
painful on the foil – unless you are exceedingly talented, that is, because mistakes mean falls from 60-80cm at speed...
2) a smaller board – and lighter – is cool for advanced riders: less inertia to swing around, much quicker reactions, more engaging foiling. The better you became, the smaller you'll like it!
And that, again, is exactly what you
do not want at the beginning.
A light board will transmit a sense of instability which will be compounded by your probably (as yet) poor kite conduction skills, resulting in... crashes. And even if you do not crash, you'll be under sensory overload from the liveliness of the board. I know:
this did exactly: when I switched from a 3.5Kg, 130cm, to a 120cm 2.2Kg board, I kept crashing, as I had an overwhelming feeling that the board was alive under my feet.
Do not do this...
Also: crashes on a foil as a begginner are
hard.
Say hello to
massive whiplash, for instance, unless you're super agile, or a natural born stuntman.
3) no, you won't easily do tow foiling on a small surf foil and small board. It is even more difficult than kiting because the boat is not as responsive (and not in your command!) as the kite.
Not to sound pessimistic, just to
warn you.
Been there, done that, still aching (unfortunately).
My suggestion?
A) Large board, which will allow to be "surfed" while at times you learn to foil, that "tempers" the feeling from the foil itself, and that touches down without catapulting you.
B) An easy foil (no idea of your setup, sorry), with a large front wing, quite thick so it stalls late, gives you lift, is stable, does not accelerate easily, and loses speed quickly (we will discuss this in your first toeside runs when you can't slow down...

)
C) appropriate kites (gente Wave kites with little pull are best for their depower)
D) a HELMET, because soon or later the foil, the board, the wing or the stabilizer
will hit your obstinate noggin. Unfortunately, a helmet only exacerbates the whiplash
D.1) Earplugs: you will fall sideways, possibly catapulted. You can burst your eardrum.
E) Take it easy. No need to rush. No one is judging you, and as others have said: some people pick it up immediately, other... never.
F) Again, kite skills are very, very important.
On the Tow-foil: my suggestion would be a BIG board (more than 100Liters, so floating), with a large foil.
I did it successfully on a 95L board and a 1600sqcm foil, but it was hard (start on my knees, then get up, because the board would sink). It's a very nice activity
once you are already a good foiler.
Before that... not so much
If I sounded like an old fart trying to demoralize you, you're 50% right. I'm old.
But I love foiling like crazy, and wish you all the success and enjoyiment.
Just tried to warn you with my painful experience, because you seem to be starting from my same starting line
Have fun, and keep us posted with the progress!
