ISA

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About ISA

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    www.internationalsailingacademy.com

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  • Location
    Mexico
  • Interests
    Laser Class Dinghy Clinics

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  1. ISA

    Physics of roll tacking

    Not too sciencey... but perhaps you could speak to him on a key formula and how it occurs twice in a roll tack: Adding weight + Heading up = Acceleration This effect is realized during a good tacking entry (and since there is no recovery/correction back down on the same tack, it can be taken higher than in upwind sailing while tacking). As you head up, you are effectively driving more flow over the surface of the foils and sails as you turn into the forces... and adding weight is the accelerator that converts potential into speed, (plus the rig movement mentioned above by Steam Flyer). He'll also benefit from this formula during a well executed tacking exit, which will always result in flattening the boat with the tiller DOWN (adding weight + heading up= acceleration, again, to finish the tack). So the boat must be tacked beyond close hauled to fulfill this formula. It's common for people to flatten while still bearing away, and this will result in "adding weight + bearing away" which is detrimental to acceleration. Analogous perhaps to accelerator plus handbrake. This concept can be emphasized in many, many areas of boat handling and speed including: starting acceleration, leeward mark rounding, downwind sailing, upwind acceleration and reset cycles, ducking, jibing, downwind upturns, by the lee pressing (in unstayed rigs) etc. There are a bunch of drills to groove this combination as well, if interested, to help make the formula connect to the physical actions. It is an important cornerstone of good dinghy sailing.
  2. ISA

    Sydney coach

    Brett Beyer. Message us for his contact details.
  3. ISA

    Re-newbie Laser sailor questions

    This video will help you setup your rudder correctly. There are a bunch of other videos (70+) on the YouTube site relating to technique which you'll also find very useful. We also have an online upwind speed course with Live Q&A answered by Olympic coaches that you may find beneficial.
  4. ISA

    Force 5 sailing downwind

    This is probably the most important video. To avoid the death rolling issue, there are basically two "types".. 1. By the Lee Deathroll - Typically due to the body not being enough to leeward. Even when under sheeted, a solid amount of body weight over the leeward side will prevent the death roll if it all starts by the lee. 2. Broad Reach Deathroll - Typically this occurs when transitioning from by the lee to a broad reach but not adjusting sheet tension sufficiently. This creates a great deal of lee helm when you arrive at the broad reach and spins the boat into a death roll as it starts turning. If you combine this with too much body weight to windward it will exacerbate. So by the lee, practice a strong by the lee body position which will be identical to your "saving the deathroll" position. On broad reach, make sure the helm is balanced with sufficient sheet tension to keep the boat going straight with body aft.
  5. ISA

    Show your dingy sailing....

    That shot just completely captures the incredible feeling of double handed sailing. Really nice.
  6. ISA

    Show your dingy sailing....

    Nice!!! How much are you able to "zoom" in on the speed graph shown right side if any? If the clip is short, it only shows the graph from that time segment or?
  7. Fully agreed. We've found that this type of practice is really enjoyed by the clients during our clinics. They absolutely love it. In other words, we don't think fun and deliberate practice are mutually exclusive. Once and awhile, and I mean once every few couple years, you'll get someone who just wants to sail off on their own and enjoy the scenery... and that's ok too. That said, I have read about champions in other sports who "hated practice"... but the goal for them was greater than that resistance. So maybe for some, it's a bit different. But my observation has been similar to what you mention with Laser sailors - they absolutely love deliberate practice and the sense of improvement/accomplishment at the end of day. What you said about "only a few us know what we should be doing" in terms of tacking or other skills, is exactly why we created the course. If they've seen the model behavior with a why/how explanation, AND are a bit of a "DIY" type,... they can take the skill checklist and make those sessions a reality.
  8. To some extent yea. The article details how to maximize that time available on the water. Specificity, feedback loops etc. In our interview with Tom Burton he used the expression "Don't count the hours, make the hours count."
  9. Did you see the last few post we made? We provided a sail settings guide (for free) for the ILCA/Laser Dinghy. How about a 12 minute free instructional video on Body Weight / Sheet Sequences? The Upwind Speed: Medium Wind Online Course we announced has FREE videos sailors can enjoy including one on Lane Holding and a condition objective summary. To our knowledge those have not been produced/seen before.
  10. Hahaha yes. We're trying to provide resources for people to learn from - some of them cost money, some of them are free. All of them cost money to produce. All of them are intended to benefit dinghy sailors and the sport. There's no conflict here if we're providing free content for people to progress with. If people end up booking a Clinic or an Online course with us, that's great - we're not trying to hide the fact that we would love to have more sailors taking our Clinics and Online Courses. That's what we do. This particular free article was born because of a dinghy sailing "routine" that many, many dinghy sailors adopt. That routine is one day/night of dinghy RACING per week. Most don't really "practice", much less "deliberate practice" and many tend to get stuck in mid-fleet or the back because there's too much pressure in racing to really experiment and try new things the way you would do in deliberate practice on the water. This can hurt fleet numbers because people are not progressing and therefore hurt the sport in general but it's just more fun to get better and develop a better set of skills. The article is about using that practice time wisely to maximize potential progression. We are and always have been open to suggestions on ILCA / Laser content that people want to watch/read.
  11. Astro, do you sail the ILCA / Laser Dinghy? What sort of content would make you happy mate?
  12. Hi all, We've got an Upwind Sail Settings Guide now available for the Laser / ILCA Dinghy - you can goto our website to download it. It's included in our online course and we're also providing it FREE to all sailors. This is a great starting point for setting up your dinghy to go fast! Settings have been vetted by Olympic Champions and Coaches and include: Vang Coding/Calibration Guide MKII Settings Flat Water MKII Settings Chop Radial Settings Flat Water Radial Settings Chop They are available both in imperial and metric measurements. Included here is a sample chart for the MKII in flat water. Hope you enjoy the guide and that it helps you sail faster this weekend!!
  13. It depends. Deliberate practice will help a lot. 2 boat practice is generally part of that - but not necessarily. A lot of sailors go and do "2 boat practice" but they don't improve very fast. if at all.
  14. It's an article on how to improve your dinghy sailing.
  15. Hi Guys, New article up to help you get better this weekend! Applicable to all classes. Let us know how you like it. https://internationalsailingacademy.com/deliberate-practice/