Tejas

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About Tejas

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    Texas
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    DIY Marine Canvas and Sail Repair

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  1. Bugstruck suggests to "Give the leading edge of the feet a temporary (usually just one stitch) bridge to thicker material." Similarly: For sewing over thickness changes, a spacer such as a jean-a-ma-jig or hump jumper can be used. Sew up to the hump, and with the needle buried raise the foot and insert the spacer behind the needle and manually sew up onto the hump. Sew across the hump. To sew off of the hump, while still on the hump raise the foot with the needle buried, insert the spacer in front of the needle and manually sew over the drop-off before removing the spacer. Jeaan-a-ma-jigs are inexpensive and can be gotten on amazon or at Joanns.
  2. Here is a link to an article on hand sewing webbing. As for strength of the union, several parallel stretch lines orthogonal to the edge of the webbing is apparently the strongest. Climbing webbing is sewed that way, https://www.practical-sailor.com/issues/37_52/features/Is-Hand-stitched-Nylon-Webbing-Strong-Enough_11663-1.html
  3. Here is Wiz's video of a compound walking-foot machine that shows the movement of the "inside foot and needle." https://www.youtube.com/watch?v=V-QjJgJKKVM
  4. Chapter 4 of NAVEDTRA 14217 which includes the Consew 225, which I think lacks reverse but might be similar, might help. On page 4-9: 2. Adjusting the total relative lift of the alternating pressers The total relative lift of the alternating pressers referred to here is that the feet lift one-half inch at total lift. .... http://militarynewbie.com/wp-content/uploads/2013/11/NAVEDTRA-14217-Aircrew-Survival-Equipmentman-1-C.pdf
  5. Here are four ways to lock stitches at the start and end of a run without back-tack reverse: 1. Bury the needle, turn the material end for end and sew over the seam. The result is the same as a back-tack but not always practical for large projects. 2. Sew to the end of the run. Lift the foot slightly pull the material about 1/2 inch toward you, drop the foot and sew over the seam. It is important when pulling the material toward you to maintain upper and lower thread tension to avoid a jam. 3. At each end of the run, leave several inches of thread. Tug the thread on the under-side and pull the top-thread through. Tie off the two threads with a surgeon's knot. A square knot can be used, but a surgeon's knot is more secure. 4. Same as above, but leave even longer threads. Do not pull through. Thread a needle on each and sew several stitches back through the same holes in the seam, essentially the same as a manual saddle-stitch. A hassle, but the resulting back-tack should be more secure than a machine back-tack. Also, the result is cosmetic. However, reverse, at lease on some machines, can be used for needle positioning, such at the end of run or when turning a corner.
  6. Tejas

    201k clutch slipping

    Here is a cached link to the TFSR sewing machine manual that includes Singer 201, and that might be helpful. The manual is also available elsewhere for a fee. http://web.archive.org/web/20160403015721/http://www.tfsr.org/publications/technical_information/sewing_machine_manual/ You might want to download all chapters before the cache disappears.
  7. Both multifilament polypropylene rope (ask for floating line) and nylon webbing can be purchased at a chandlery. For looking online you might try West Marine or APS for the line. https://www.westmarine.com/buy/samson-rope--mfp-multi-filament-polypropylene-floatline--P005_152_002_503?recordNum=7 http://www.apsltd.com/line/polypropylene-sailboat-line-rope.html For webbing or 3/8" line, you might try Sailrite. https://www.sailrite.com/search?keywords=nylon webbing https://www.sailrite.com/Regatta-Lite-Single-Braid-Polypropylene-Line-3-8-Yellow
  8. Tejas

    Help with singer 99k

    Raksha, Below is a link to a manual for several vintage Singer machines, including the 99. The manual in chapters used to be online but has been removed. However, here is a link to a cached copy. If interested, you might want to download a copy of all chapters before it really disappears. However, a copy is now available elsewhere for sale. http://web.archive.org/web/20160403015721/http://www.tfsr.org/publications/technical_information/sewing_machine_manual/
  9. Tejas

    Juki 563

    Chapter 4 of a manual that might be helpful for self-service is: http://militarynewbie.com/wp-content/uploads/2013/11/NAVEDTRA-14217-Aircrew-Survival-Equipmentman-1-C.pdf and that states: "Your shop may have the Consew Model 225, the Juki LU-562, or the Singer Model 111 W 155 sewing machine. These three sewing machines are essentially identical ...." Here is an edited version of chapter 4: http://keysew.com/Webpages/DemoImages/USNavySinger111WConsew225REPAIR.pdf
  10. Tejas

    Knot help

    I should have mentioned that a simple, pleasing looking and reliable knot that might fit the OP's application is the figure-eight loop, aka figure-eight follow thru, figure-eight on a bight, flemish-eight or flemish loop. https://www.animatedknots.com/fig8follow/
  11. Tejas

    Knot help

    The bowline is reliable under load but does have limitations. According to wikipedia: "Although the bowline is generally considered a reliable knot, its main deficiencies are a tendency to work loose when not under load, to slip when pulled sideways[3] and the bight portion of the knot to capsize in certain circumstances.[4] To address these shortcomings, a number of more secure variations of the bowline have been developed for use in safety-critical applications." Among more reliable bowline variants are the cassock bowline, double or triple bowline, water bowline and Yosemite tie-off bowline. https://knowpreparesurvive.com/survival/skills/bowline-knots/
  12. Tejas

    Knot help

    Here is a link to an animated knot web site. There are other sites. https://www.animatedknots.com
  13. Tejas

    Juki 563

    The best copy of the manual I've found is on Gregg's Keysew web site. http://keysew.com/Webpages/DemoImages/Juki_LU-563_Instruction_Keyfooter.pdf
  14. Tejas

    Juki Dnu1541S troubleshooting

    I'm sure somebody who can help will respond soon. Assuming you already have a user manual, attached is the service manual that might be helpful. JUKI_DNU-1541_SERVICE_MANUAL.pdf
  15. Tejas

    Sewing machine repair book.

    Here is an old thread with links to US Army sewing machine operation manuals: http://leatherworker.net/forum/topic/22758-us-army-sewing-machine-operation-manuals/