The Kromski Harp Forte comes with an 8 Dent Heddle. The weight of my fabric is 880 grams. Warp & Weft Calculation Worksheet. To calculate yarn requirement for a particular fabric, you need to know crimp of the yarns in the fabric. I should have started a new sheet and put numbers to match our example. Total length of warp yarn = Tape length X No. Quite new to this but confused by your final statement in #5 Also, I don’t know if you mean you want your weight to be those numbers of you have a fabric in front of you that you’d like to weave to the same specs. Tape length of weft yarn = Fabric width X (100 + Crimp)/1000. About. The fabric length is 21 yards. FREE Patterns. You now have: yardage needed, # of ends to warp, and the length of your warp. Simply input two of three variables (speed, distance, and time), and the form will calculate the third for you. Inches of weft needed to weave one inch * Total inches to be woven = (This is your Project Length + Fringe + Take Up + Shrinkage in your warp) = Total inches of weft needed (The total amount of weft needed to finish your project right!) A dent size is related to epi. Hi Imran, sorry for the late reply and maybe you already have an answer…I’ve been away from my blog for a very long time. ...and I'm a weaver, a teacher, a writer, and an editor. Total inches of weft needed / 36 = Totals yards of weft needed This is a Simple Yarn Count Calculator, Converter, Yarn Length Calculator, Fabric Weight Converter & Fabric GSM Calculator. This varies from loom to loom. Finished length of total piece (inches) (Fabric length)*. Warp Length. Warp and Weft Calculator. = (87.36 x 25.4) mm + 20 mm. Planning Your Requirements How much do I buy? How do i know how many ends and pics to use to get this produce? Now write down (or copy to the clipboard) how long YOUR customized warp needs to be, then go to the next calculator to find out how much warp yarn you’ll need to make it. We need to calculate our weft. In weaving ordinary classes 10% of cotton goods warp regain between 4% and according to the structure, while the weft regain is usually about 5%. I google 75 viscose rayon to see if I could find its ypp (yards per pound) but could not find a number. Shrinkage (inches) (depends on yarn and finishing)*. A final note, do something which I always forget to do: In a notebook, write the length of the warp you calculated and the width you will be warping on. It allows you to put several spreadsheets of various sizes on one blank canvas. rule: If you want a drapier fabric, you can put less warp ends in an inch, if you want a firm fabric, you’d put more ends per inch.I take my intended yarn, and determine the wraps per inch using a wpi tool or ruler. What if you want to make your scarf a different length? Warp Width. And that’s pretty much it! Both in warp way and weft ways. If you’re trying to recreate a certain fabric, if you know what the ypp of the thread is, then you can divide 880 by the ypp, and you’ll get how many yards was used in total. Etsy Shop. I hope that makes sense – you cant double the amount and start your project and then change the width…first you calculate everything you need for the warp, and then you make sure you have the same amount for the weft, and you’ll have enough for your project, I hope that made sense instead of making it more muddy, if you have any questions just ask . This will happen quicker if you’re making thick cloth. Either way, you need to thread your yarn through 90 “things” whether they be slots or whether they be holes . I put wrap the yarns around the tool or ruler nice and snugly, the way I’d expect them to lie against each other in the finished piece, and measure how many wraps in one inch. Total ends = EPI x fabric width (inches) = 52 x 84. I have a couple of friends who may soon be trying weaving out for the first time. (bulky yarns, doubleweave). I think in hindsight I would make it read, to be inclusive for all looms, as needing to go through 90 heddles, or if you’re using a rigid heddle loom, 45 slots and 45 holes. If you have a just enough warp for the above project and decide to make it wider at the last minute, you’ll have to make the overall piece shorter since otherwise you’d just run out of warp yarn that you allocated for the project. That’s probably more than necessary – I think my table loom is closer to 24″ of waste than my rigid heddle – but you can adjust after you’ve done some projects and get a feel for your amount. Your statement “…If your goal is weave a balanced plain weave, then you can just use the same amount for your weft yarn:” seems to ignore how wide the item will be. And #10 can’t be right. … Weight of warp yarn = (Length of warp yarn X Warp count) / 9000. Knowing what you are going to … ( Log Out / Warp Factor Calculator is a Java Script calculator that computes speed as a function of "warp factor" in multiples of the speed of light. Calculate the weight of warp on a set of back beams which contains 2940 ends. For this reason, if you measure out exactly the length and width you need and dress your loom for those measurements, you’ll find that the project is narrower and shorter when its taken off the loom. Contact. Exactly what i was looking for !! Warp tension is a major parameter of the weaving process. Change ), You are commenting using your Twitter account. Videos. = 2218.94 mm + 20 mm. I not only get this stuff, I explain it well and write about it clearly. The yarn that remains from the woven piece that goes through the heddles and to the rod at the end of the weaving is also waste. = 2239 mm ( beam width) Fringe/Hems (inches)*. Assuming you need 24″ for loom waste, that leaves you with 113″, which is enough to make four towels 28″ long, or three towels 36″. Once you’ve washed the piece, measure again and record. For instance, if you wanted to weave plain weave, or if you wanted to do a twill they would be different numbers. As a result actual length of the yarns is longer than the length of fabric width and length in fabric. When studying any fabric you intend to replicate though, its important how it was woven, if it was balanced or a twill pattern, with various degrees of interlacements. The screenshot does indeed show 11″ for a width which is wrong and should have been 8. When its off the loom, measure and record those widths. Send me a message if still need help with any of it if still having issues. I have been putting 24″ in my calculations. Start with your intended length and account for draw in, just like we did for the width: Add loom waste: Some of your yarn will always be unweavable. Enter your email address to follow this blog and receive notifications of new posts by email. How big would you like it? Often you would have at least two mooring lines of one-and-a-half times the boat length and two mooring lines of one boat length on board. If I’m doing plainweave or I have already done the same kind of weave, I leave it out. Usually, the bigger the loom, the larger the waste. An 8 dent heddle means 8 threads can be threaded every inch. Shouldn’t it be “…you now know you need to go through 90 slots (or 45 slots and 45 holes.) Post was not sent - check your email addresses! If you’re somewhere between two numbers, you can decide now if you want a looser or denser fabric. Of course, this also depends on your personal preference. Good preparation is the key to success with any project and I’m grateful for your guidance when I started. Copyright 2021 Weaving With Janet Dawson. What are you weaving? Categories. Warp Weight in Kg = (Total Ends * Tape Length in meters)/ (1693.6 * Warp Count) Weft Weight in Kg = (R.S in centimetres * cloth length in metres * PPI)/ (4301.14 * weft Count) Cloth weight in GSM = {EPI/Warp Cout)+ (PPI/Weft count)}* 25.6 oz (ounce) per sq. There may be plenty out there but if you make your own, you can walk through the steps and organize your sheet any way you like. What if you want to make your scarf a different length? 12 Fiber Gifts of Christmas Black Friday Weekend Clearance Items Weaving. Decide on a desired width and length of your project: Your width is contrained by the size of your loom, the length less so. For the length, include desired fringes. I was making this scarf for a petite person as a special gift. There is a point (that I haven’t reached), where you wind on so much cloth on the front beam that you can’t really weave any more. If your goal is weave a balanced plain weave, then you can just use the same amount for your weft yarn. – be sure to include these when you enter your warp length – loom waste will be added during calculations; do not include this in your warp length … Warp Length Total length of warp* = inches cm A /36 yards /100 meters Warp Width (because the reeds are usually imperial, we will use the inches for the warp width) Total width of warp = inches C Ends per inch (EPI) X EPI Total number of ends B Ends Or do more sampling? Warp & Weft Calculation Worksheet . The first entry in that section says the width is 11, but I can not find an explanation for how you arrived at that number. Small amount of yarn is required to produce the weaver's beam. Sorry, your blog cannot share posts by email. Used with permission from The Schacht Spindle Company × To calculate the yardage needed to create my warp, I take this number, 97” and multiply it by the number of ends per inch. As to your question, there’s one important piece of info missing. In addition, it will be harder to form a clear shed as the back apron rod gets closer and closer to the heddles. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. For mooring lines we advise to take one-and-a-half times the boat length. Unsure what epi, ppi, or sett mean, or how to choose … = 2238.94 mm. Now we will discuss about warping Calculations. The project specs say to wind your warp four yards long, but where did that number come from? Knowing this also helps on calculating yardage for the weft — I kept having a lot of leftover yarn calculating based on the total warp length. Yarn Converter : Can convert yarn from one to another various type of count. google39785124f4e75dda.html Home. Warp & Weft Calculation Worksheet. ( Log Out / Table loom weaving gets high tech – custom software. I had to stop continuing my blog and logged in only now after a (huge) hiatus so its been a while since I’ve read my post , Sorry if my choice of phrase was misleading in #5, I meant to say that you have to go through a combined 90 slots and holes (45 slots + 45 holes). Calculate the actual width to warp accounting for draw in: Yarns in a woven project actually go over … Features of Sectional Warping This is suitable for making checked, stripped or other fancy fabric. You are ready to start winding! You use up some yarn to tie the warp to the front and back aprons. Determine sett (epi): Now we want to figure out how closely we want to put our warp yarns next to each other in the final piece. The Warp Speed Calculator is designed to answer these questions. Unfortunately, you lost me on the Weft Requirements part. Certainly you will use less (or more) for the weft if the item was wider or narrower. The Fabric width is 44 inches. I am going to assume we’re aiming for a balanced plain weave(Balanced plain weave is simply a fabric that has the same number of warp ends per inch as it does weft ends per inch). The program is operated by selecting the series version using the radio buttons, entering a "warp factor" number that is greater than 0, and then pressing the Calculate button. I’m just as guilty of not taking proper notes once something is off my loom.
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