by Tony de Groot » Wed Feb 11, 2009 3:50 pm
Matt,
Glad you had a nice flight. That was a pretty special day. That was also the first time I did that flight on a single surface glider. Some things to be aware of is how the winds usually change during the day there. Normally, the wind picks up in stregnth during the day and also gets more cross during the day. So, you have to be looking out at the ocean at the surface to keep aware of the growing white caps and thus the wind strength coming. Realize that a single surface glider has it's limits with wind stregnth, a lot more than a more advanced glider. As the stregnth of the wind increases you want to be further in front of the cliff so you don't get caught being overpowered and blown over the back which would be REALLY bad. When you get overpowered there is nothing that can save you. I tried to tell you that when I saw you quite far back one time but I'm not sure you heard me.
So, as it gets more crossed during the day the lift wanes so there is the timing of the increased wind stregnth before it crosses which is the go time. Hammer got it early, then it got a bit crossed and we were stuck, then the wind straightened out again and we all started getting up and it was go time. So, what heighth to leave? I had 900 feet off the beach and the wind was pretty straight, AND it was low tide. With the wind being straighter I didn't have to go as far around the point. With a more cross wind you need to go farther around the point to avoid the mechanical turbulence. The best thing to do is to fly Bates some more to get a good feel for it. Get your radio and PTT working and bring a cell phone. Try to go with someone who has gone before. I also would prefer to do that flight with a higher performing wing. It was fun and novel with a single surface but a better wing gives you more options, a better sink rate, more penetration, and is a lot less work when searching out the lift band. Try to do the flight with a low tide like we had. It gives you more options for landing. All, you do when you leave is to go downwind to the first part of the cliff in La Conchita and when you here the beep turn into the wind. I like to do a few 360,s in the first lift I find and drift back a bit with it. The fight itself isn't very hard technically. The big deal is keeping an eye on the changing conditions and the wind stregnth. Hammer mentioned to me that I might want to land at the overhead instead of flying to Ventura where the wind strenghth might be too strong for me. It wasnt' too bad on this day but you might want to keep that in mind too. You want to be clear of any obstructions when landing in strong wind. Don't go behind and structures. I through in the towel a bit early and hovered down at C Street at the point so I could be clear of any structures. You want to make darn sure you get a decent LZ and don't get caught leaving that last good landing zone trying to go a bit further.
Tiger