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125 Discussion Forum
Please note: This forum is read by a wide group of 125 sailors.
This is not the place for personal attacks or inappropriate comments on anyones race, sex, age or sailing abilities.
Return to the Forum List  Research Project, working on my 125 | i have choosen to work on my 125 for my yr12 research project, during this i will be researching how to improve my boats performance and how much it will cost.
it will be much appricated if people can help me out by giving me advice and ideas on how i can improve my boats performance to increase speed and balance
i have surveys if it can be possible if i can email boat builders for 125's or have good experience working on them :)
cheers hope you guys and help me out!
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| | Re: Research Project, working on my 125 | Chris the most important go-fast fitting on any boat is the "nut on the tiller."
Learn the fundamental physics of aerodynamics and apply to your sailing. There are numerous books available.
Study chess or a similar game that makes you think out logical choices and adapt as your opponent thwarts your plans.
DO NOT blame your equipment for holding you back.
Analyse what is slowing you down, work out why and FIX IT. Most likely the problem is only visable in a mirror.
A year ago I gave you a couple of screeds on sailing a 125, do you understand all the items covered, if not give me a phone call.
There are no magic numbers or settings as there are too many variables. You need to learn how to read your sails and react to what they are telling you.
If another 125 passes you, ask what is he doing better than me, look at his setup, then at yours. Compare weight distribution, angle of point, sail setting etc.
Conversely if you pass another 125 ask yourself what is right on my boat and lacking on theirs. Compare and analyse is how you will get better. Keep a log book to record your thoughts and experiments. This may prevent trying the same loosing experiment more than once or twice.
The 125 is a relatively easy boat to sail properly, as I believe you may shortly be making the shift into a Fireball you will be in for a whole new experience. The dynamics of a tapered mast section will make it much more complex. Personally I believe you would be better mastering the 125 before advancing to a more complex boat.
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| | Re: Research Project, working on my 125 | Thanks for the advice, but the main reason for my research project is too research in something that i am interested in..
the part that i am researching is how to improve my boats performance which i mean by that is that i am interested in learning different techniques how to tune my boat or change the rig around
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| | Re: Research Project, working on my 125 | Hi Chris
Not sure what advice your after exactly?
Is it advice on how to improve your hulls potential performance, so surface finishes, hydrodynamics etc? Or, are you chasing tuning advice on how to make your boat perform better?
what is the class/assignment brief?
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| | | Re: Research Project, working on my 125 | Ok, so given that your hull is fixed in shape you can do the following:
Ensure the finish surface is fair and clean! you could spend forever here so the law of diminishing returns apply of course.
Another thing you can do is have sharp chines at the final 1.5 meters of the hull and transom where it meets the water. This helps the hull shed water at hull speed and higher.
Make sure you venturi bailer/s are flush with the hull surface.
You should spend time fairing and maintaining your foils. Ideally they should have a mirror finish and not warped or twisted.
Fit a centrecase gasket that seals (as much as is possible) the centre-case from ingress of water.
Make sure you hull is as light as you can get it and it doesn't take on water during racing.
That's a start....the tuning is a whole other story.
Suggest you use the late Frank Bethwaite's "High Performance Sailing" as a reference (don't forget to reference it in your assignment)for the theories above.
I am sure others can add further detail too.
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| | Re: Research Project, working on my 125 | Chris I have trouble understanding your style of short hand "English"
Be more specific on what you are trying to achieve and we will help you. I have built many 125's and done a lot of developmental work on rigs - the expertise is there if you can define what you are doing.
Andrew Stanley is a school teacher so can interpret your age group better than me. Please send a copy of the details of your assignment and I can tailor the assistance and information to suit.
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| | Re: Research Project, working on my 125 | thanks for all the information, i have changed to an easier question which will suit me more 'what aspects do i need to develop to become a more proficient sailor'
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