Silnylon + sewing machine feed dogs tip?

[VictoriaGuy]

The whole of the existing stitching needs to be taken out

+1
I agree.

[gt7599a]

I haven't tried tissue paper yet. Using a walking foot and microtex needles helped me but I'm still having tension issues.

Ed

[AndrewB]

The bobbin was way to loose. Its fixed now.

The bad tension is on the flat felled seam. Pretty much impossible to get to that without taking apart the entire thing.

[gmcttr]

I agree, it appears that you have no tension on the upper thread. Take a close look at the tensioner. The tread should be between two disks that put pressure on it. With the presser foot in the raised position, the tension discs should be released and you should be able to easily pull the thread through the needle. When you lower the presser foot, the tension discs should apply tension and pulling the thread through the needle should take some effort and slightly bend the needle.

Here's a recent post on thread tension adjustments...https://www.hammockforums.net/forum/...ad.php?t=81712

Take a look at pages 6 and 7 of the machine manual for the correct threading through the tensioner...the tread goes under the tensioner between the discs, up the left side into the loop of the take up spring and pull the thread and spring up and over to the right until it catches on the hook on top of the tensioner.

Your presser foot appears to have the points worn down flat which will contribute greatly to the uneven feed problems. It should have nicely formed points like these... oops...it was the lighting...with the photo blown up, it looks fine.

IMG_3990 (Medium).JPG

...and the bottom of the presser foot should should be fairly smooth like the one on the right and not gouged with worn away chrome like the one on the left in these photos...

IMG_3989 (Medium).JPG

[The Old Boot]

The bobbin was way to loose. Its fixed now.

The bad tension is on the flat felled seam. Pretty much impossible to get to that without taking apart the entire thing.

It's going to fall apart anyways the minute you put the tarp under tension.

Going forward, each seam should be inspected BEFORE you do the next row of stitching.

I'm in the process of trying to teach two 13 year olds how to sew. It's given me a new appreciation for what you guys who've never touched a 'thread injector' go through.

Through them I'm learning new things that can be done wrong..., like slamming the presser foot down, forgetting to put it down at all, etc. It's really interesting, since I grew up sewing from the time I was a child and it's now just second nature to me, kinda like driving a car! One of the girls is going to be hell on wheels when she starts to drive - talk about a lead foot!!