Now tape a 2" section of the copy of a rule you made so it edge is in line with the string. After the racket and washer settles the center of mass will be directly below the center of the dowel on a line behind the thread. While everything is coming to rest copy a tape measure with fine increments on it mm is fine enough. Tie a washer on a thread and support it from the dowel so the thread is hanging from the center of the dowel. Support you racket on a round dowel holding the racket at 12 o'clock. Which will save me money and hassle (like waiting for you racket to be returned in the post, with a match impending!).Ī balance board is no more accurate than an RDC is. Now I have the equipment (balance board, kitchen scale and swingtool app) to measure my rackets, I will never have to pay to get my racket measured again. Yet, if you can cut out the human errors, and perform all manual methods masterfully, then I'm fairly sure manual racket measurements can be more, or equally, accurate then an RDC, with the correct tools - like a scale with 0.1g accuracy. RDC have always been deemed the "gold standard", as there is no room for human error and they give very accurate measurements. Plus, those who wish to know the exact MgR/I of their racket. Getting measurements as exact as possible is important for those who like to match their rackets as exactly as possible, like myself. I'll then check to see if the RDC gives a similar result to swingtool and, if not, see if it does if I change the swingpoint. I will probably get my racket measured one more time, when I'm done with the latest wave of lead tape tinkering. The RDC won't come close, but why does it need to be that accurate?ĮDIT: Long story short the RDC won't come close to the manual options, but it does not need to.Īgreed Irvin. If the balance, weight, and 15 periods are the same the moments of inertia are the same. If you hang your rackets from the top string and both top strings are the same distance from the butt, both top crosses are straight, and your method of swinging does not allow the racket to slip you can check to see I'd the total time for 15 periods is the same for the two or more rackets better with SwingTool because it usually come out with about 0.002% accurate. I think the balance can be matched better manually with manual means than you can do with an RDC. If you can match up the weight to within +/- 0.05 g that is a lot better than the RDC can do. The real question is which one is best to match your rackets? I believe it is the manual way using SwingTool. SW is just a number same as balance, same as hang point, same as weight, and there are other things that can introduce errors into you calculations and when you get your final results you've compounded all your errors. Which is more accurate? Neither unless the axis used for both are the same the results will not be the same. Which one is more accurate? Neither there is the same amount of error in both.Īn RDC may say the SW is 327 while SwingTool say the SW is 325. You know since you put in 10 times the weight value you result is ten times greater and you need to divide by 10 so you SW comes out in tenths. When you get the reading from SwingTool it may say your SW is 325 in one instance or 3253 in another. You could say your racket weighs 330.05 g, or you could say you racket weighs 3300.5 g. If you would like a different Major Arcana Tarot Card on a WIP tool, message me and I can create a custom order for you.What you get from SwingTool may be more accurate that what you get from an RDC. Since each piece of wood is unique, item you receive may be slightly different from photos. This yarn guide measures about 3 inches tall by 1.5 inches wide and comes with a brass clasp to hang on your knitting bag. This guide also has lines on the back to measure your yarn against, including lace, fingering, sport, DK, worsted, bulky and super bulky. This tool is used by spinners, but is also helpful for knitters and crocheters to determine the weight of the yarn and what the approximate gauge will be. Wraps per inch (WPI) is a way to measure the thickness of a yarn. The moon's light can bring you clarity and understanding. The Moon card is represents the thoughts, feelings, doubts and fears that you carry within you. On either side of the path in the distance are two watchtowers. There is water where the path leads and a lobster crawls up out of the sea. There is and a wolf and a dog on each side of the path. The tarot card illustrates a moon rising above the mountains. The Moon is the 18th ranking on the Major Arcana deck. Great for anybody who loves tarot cards and readings. This WPI (Wraps per Inch) Ruler is made from maple wood and is used to identify the gauge of a yarn. The Moon Tarot Card Spinners Control Tool.
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