Recently bought Foyle Horue H10. I put the stabilizer in position - down tilted. The wind was 5-6 knots with short gusts of 8-9 knots. I took sail 9.6. And at takeoff, the foil was very stable, despite the short fuselage of 70 cm. And even took off with a wind of 8 knots, although the H10 wing is more suitable for a wind of 10 knots.
Think you gotta find the balance of up and down when foiling. Too much of either causes up and down flights.
Select to expand quoteLeeD said..
Think you gotta find the balance of up and down when foiling. Too much of either causes up and down flights.
I don't understand what you mean..? You can always compensate for stab rake in different ways, like putting your weight forward, straps forward, mastfoot forward when increasing angle of attack. Imho you cant have too much power from the foil.
@anton, the H10 is made for way smaller sails, but if 9.6 works, it works ;). My experience is that a big sail is by far necessarily the best sail to get going early with a foil. A pacemaker and quiting smoking will make way more of a change hahahah.
Select to expand quoteWhiteofHeart said..LeeD said..
Think you gotta find the balance of up and down when foiling. Too much of either causes up and down flights.
I don't understand what you mean..? You can always compensate for stab rake in different ways, like putting your weight forward, straps forward, mastfoot forward when increasing angle of attack. Imho you cant have too much power from the foil.
@anton, the H10 is made for way smaller sails, but if 9.6 works, it works ;). My experience is that a big sail is by far necessarily the best sail to get going early with a foil. A pacemaker and quiting smoking will make way more of a change hahahah.
I do not smoke and Do not advise you. To pampite and out on the wing(but I don't like pumpit). The size of the stabilizer also affects. I used to try on small stabilizers and there was no such stability(as if the fuselage is 120 cm).
Select to expand quoteLeeD said..
Think you gotta find the balance of up and down when foiling. Too much of either causes up and down flights.
That's not how aerodynamic longitudinal stability works. Basically the more the tail pulls down and the more you have to compensate for that by moving your weight forward, the more stable flight will be. But it will come at a cost of increased drag.
Select to expand quoteantonmik said..
Recently bought Foyle Horue H10. I put the stabilizer in position - down tilted. The wind was 5-6 knots with short gusts of 8-9 knots. I took sail 9.6. And at takeoff, the foil was very stable, despite the short fuselage of 70 cm. And even took off with a wind of 8 knots, although the H10 wing is more suitable for a wind of 10 knots.
I think this single pic did a great disservice to a lot of us (okay, me, at least) starting out a couple of years ago. No one wanted a "draggy" foil so we dialed out any pitch from the stab only to wonder why we had so much difficulty keeping level flight. Not saying we can't or shouldn't tweak the stab angle but the top "Lower lift" image is misleading to a newbie.
I've tried finding the thread where we discussed this at length but seem to come up empty handed. Does anyone else remember?
When you do a long fuselage 120 cm size and position of the fuselage affects the takeoff, as the shoulder is larger and here it is necessary to look for a certain position.
I'm not a fan of adjusting any Stab, any adjustment will create more drag. The only reason this might help is to make it easier to kick up to a flight. But if its difficult to kick up to a flight, why not just reduce the stab surface area? I don't know, need to experiment with this more.
LP in the gorge offers windfoils that include a set of 5 cradles for the stab. They are color coded and make different down angles for the stab. Even for racing, the cradle with the highest down angle is the most popular.
it's a great idea to change the angle a little bit. Other manufacturers should look at LP.
Select to expand quotesegler said..
LP in the gorge offers windfoils that include a set of 5 cradles for the stab. They are color coded and make different down angles for the stab. Even for racing, the cradle with the highest down angle is the most popular.
Yep... and poor confused newbie is trying all sorts of angles in the meantime. Too much backfoot pressure from his/her windsurfing days so thinks that lowest angle is better. Now it hobby horses and he/she is all confused and frustrated. Source - me. 
Select to expand quoteLeeD said..
Heliboy's fuselage and stability.
Thanks. 
Spent way too much time trying to find it.
Thank YOU too. I'm one of your newbies fooling around with stab settings in search of stable flight.
Gonna leave it at slight downforce, main foil lift, until I learn how to foil.
