Laser top speed??

Discussion in 'Laser Talk' started by spot, Sep 9, 2002.

  1. spot

    spot New Member

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  2. Guest

    Guest Guest

    That is cookin right along........When ever I get going fast it is for very short periods of time. I'm usually very out of control at that speed.


    Chris
     
  3. kwilson

    kwilson New Member

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    I think that has to do with the theoretical hull speed. I forget what the
    formula is. :wink:

    I'll check and get back to you
     
  4. sui805

    sui805 New Member

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    Hi!

    The formula for calculating the theoretical maximum hull speed (in knots) is: 1.34 x the square root of the boat's waterline length in feet. But as soon as you get your boat out of its own wave (ie when you're planing), you'll be able to sail much faster.

    Michael
     
  5. spot

    spot New Member

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    [quote:ed0a8fa45d="Chris, ILC 152124"]That is cookin right along........When ever I get going fast it is for very short periods of time. I'm usually very out of control at that speed.


    Chris[/quote:ed0a8fa45d]

    Oh yeah, I was fully out of control. I would come over a wave and lose my ballance the boat would turn slightly and the next thing I knew I was being blown off the boat by the water rushing over the hull. Every time I crashed I had to swim like mad just to catch the boat. Even though it was on it's side the wind was blowing it away so fast that it was all I could do to catch the damn thing. I did that 5 or 6 time before I decided it was time to hit the beach. As I was comming into the beach there were people running out to try to catch me. I had to dump it to keep from creaming them. I hung out and helped the people on the beach rescue thier motor boats that broke away from thier dock. They gave me a towel and a beer as I waited it out. The real heavy wind only lasted about an hour then I was able to hop on and get back home. It was definately the biggest wind I have ever seen on that lake. Lots of fun!!
     
  6. kwilson

    kwilson New Member

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    [quote:e6b89e6a33="sui805"]Hi!

    The formula for calculating the theoretical maximum hull speed (in knots) is: 1.34 x the square root of the boat's waterline length in feet. But as soon as you get your boat out of its own wave (ie when you're planing), you'll be able to sail much faster.

    Michael[/quote:e6b89e6a33]


    Bingo. I knew it was here somewhere; thanks sui805.

    WOW !! what position of sail....beam reach.? what was you approx wind speed on this amazing day. I've been in 25knts before and it was all a blur. I was so consentrated on boat speed and keeping the boat flat that I don't remember anything....other than I had a blast. I have learned one valuable lesson though. [b:e6b89e6a33]NEVER LET GO OF THE MAINSHEET[/b:e6b89e6a33]. Unless of course you like swimming after your boat; its kinda like participating in a rodeo. :D :lol:
     
  7. Seldon

    Seldon Guest

    Top speed ever

    The fastest i've personally ever gone is somewhere around 20 mph... Broad reach in about 25 knots with gusts to 30 on Shoreline Lake in Mountain View, so there was no considerable chop. It was hard to stay in control during the gusts (that was a bit of an understatement). i think I hit 20 about 5 seconds before the boat flew completely out of the water (i only weigh 135) and landed capsized. It was pretty amazing, even though it was more survival sailing. My board starts to hum in about 20 knots up, and it was just howling. I'm not sure of the exact speed, but 20 mph seems about right.
     
  8. kwilson

    kwilson New Member

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    Nice story Seldon..!!

    Holly fast batman...It's nice to have a little extra weight when the wind gets blowing. I'm at 175 myself....and it deffinetly helps. :lol:
     
  9. spot

    spot New Member

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    I'm 200lbs and I could not keep it flat on a broad reach.

    I don't know how hard it was blowing that day but I know it was not as hard as it was 2 nights previous when it was measured at 186kph just outside of town. I live in the damn mountains. It is not supposed to get that windy in the valley bottoms.
     
  10. Seldon

    Seldon Guest

    I have no chance just hiking out, I had too keep quite a bubble in my main... and i still died when i got lifted...
     
  11. macwas16

    macwas16 New Member

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    ummm...k

    the fastest i've ever gone was probobly about 20 knts. i was at the junior olympics in portland maine and on the second day it was blowing about 25. so beam reaching across the starting line was absolutely nuts. people littlerally out of the water buzzing inches away. and on the downwing leg of that race there were 3 of us abreast when a huge gust came and deathrolled all of us simontainiousl. a spar missed my head by about a foot right after i was flung five yards from my boat. so i guess you can say thats the easy way to gybe on a day like that!!
     
  12. JustLaxin

    JustLaxin New Member

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    Breaking Waves ???

    I only weight 95 pounds and have been out in 15 knots and 5 foot rollers (I live on Lake Michigan... we get big waves). Sometimes when I get on plane on a broad reach going with the waves the waves break right on my boat from behind. It has only happened twice but the crashes it caused were no fun. Is there a way to make this stop?

    :lol: :D :lol: :D
     
  13. kwilson

    kwilson New Member

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    If you can see the wave coming the general idea is to position the boat at an angle to it. Then start surfing. Keep in mind a deathroll at this speed can be quite violent. I've heard of people getting thrown up to ten feet from there boat.

    Let us know how it goes.

    :D
     
  14. JustLaxin

    JustLaxin New Member

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    GoOd TiP

    Thanks!
    I got to try out the tip today and it worked great. When I saw a roller coming I either got on it and stayed on it or I headed up more until it passed. If I felt I was losing the wave (and had no chace of staying with it ) or going to deathroll I did the same thing (head up).

    :D :p :D :lol: :p :lol: :D :p :lol: :p :D :p :lol: :)
     
  15. kwilson

    kwilson New Member

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    It's an awesome feeling isn't it.

    Wait till you hit the uberplane and you right at the edge of crashing, barely in control..... .flying .!!! All you hear is the centerboard sing as loud as she can and then bang you've gone so fast you have actually climbed up the next waves back in front of you.....and it all starts again.

    Broad Reaching in 15 to 20 is definitly the bomb. :D 8)
     
  16. Goonie

    Goonie Guest

    K, what would you sugest, Laser I or II?
     
  17. kwilson

    kwilson New Member

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    [quote:8a01632d0d="Goonie"]K, what would you sugest, Laser I or II?[/quote:8a01632d0d]


    Never done the Laser II thing. I guess they are hot enough. The only problem is it needs two to really get her going confidently. I myself like the fact that I can go out....by myself.....and scream at the top of my lungs at my boat when I'm flying......man what a feeling. I crew on a Thistle as well and even though they fly and you can get the same general feeling but when your out there on your own laser cranking you know its all you..... no-one else. 8)

    Granted having a jib for upwind pinch and razor sharp taching is nice also can't forget the spin.

    It's a crap shoot........I went with the laser.
     
  18. missourisailer

    missourisailer New Member

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    hey justlaxin how old are you im about 120 and im 13 so i just wanted to know......

    the fastest ive ever been on by boat is about 15 knts in aboout 30-40 knts of wind it scared the crap out of me and i didn't stay out there very long but it was the most amaizing thing goin' in a beam reach on a plane. i love that sound its soo cool i just love the boat period...
     
  19. sailor327

    sailor327 New Member

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    one day at camp it went from steady 20 knots of wind to 35 gusting at 40 an it was crazy . it did this in like 20 min. one opti snapped its mast in half and my extension fell of so i was royally screwed. bu it was fun.
     
  20. laser_sailorette

    laser_sailorette New Member

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    HaHa going 45 in a laser....thats JOKES! The fastest I have ever gone in a sailboat was probably in a 29er just messing around one day with my buddie. Other than that, jokes...thats all I have to say.
     

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