Dürkopp 18 Patcher Restoration - long journey...

[billybopp]

Awesome to see this restoration in progress - It's a fascinating machine, but I have a favor to ask!  As you put the shuttle and hook back together, take some pics.  I'm having a hard time visualizing how the thread passes behind the shuttle!  It seems like the shuttle would have to almost float free for the thread to pass, and just can't quite see it in my mind.

Bill

[CowboyBob]

It seems like the shuttle would have to almost float free for the thread to pass.

Billy,Yes that's what happens on all lockstitch ,the loop of thread goes on both sides of the shuttle on the 29's & around the bobbincase holder & bobbincase on other machines like on your Consew 206

Look at this;

https://boingboing.net/2016/02/10/how-a-sewing-machine-works-gi.html

Edited November 13, 2017 by CowboyBob

[Constabulary]

Billy thats a secret "hoover shuttle" based on the German WWII secret Repulsine drive but a bit advanced and down scaled  

 

6 hours ago, dikman said:

Nice work so far. I looked at that green bin full of bits and chuckled - let's see, I need a small bolt here, this one? Nope, how about this one? Nope, next one........

You hit the nail!!!

 

Edited November 13, 2017 by Constabulary

[jimi]

Nice work Folker, keep up the good work  maybe you should put the Pfennig back in the machine again because it might not work afterwards  and good to see the original finish, well done.

Edited November 13, 2017 by jimi

[Constabulary]

Jimi, I´ll let you know if it works better with or without the Pfennig

I´m almost done. I think I can finish it later today - maybe tomorrow if it needs some tuning...

I just did some dry stitches and increased the stitch length contentiously - HOLY SMOKES  - seems it can do 9mm - 9.5mm long stitches. Thats not even mention in the manual and by far the longest stitch length I ever have seen from a patcher machine - longest yet was 7mm on a CLAES. I´m pretty impressed! 

Will post pictures and maybe a Video when I´m done

[jimi]

 9.5 !! that is very long? are you sure you did not put some parts on back to front? jjjj so with the Pfennig inside you will maybe get 15mm long.

[Constabulary]

Indeed! But I had to make some adjustments on the cam that controls the thread lever and the hook that garbs the thread - I ended with 8.5mm when practical sewing and so far no skipping stitches.  I think I have to do fine tuning but it can´t be much. I will test some thicker materials too - this is 2.5mm synthetic material.

I´m really impressed! I never expected this stitch length from a decades old patcher machine! I mean if you compare this with old Singer 29K´s or Adler 30 of the same age ... thats really impressive!!!

[mikesc]

So..obviously you are going to keep this one ..size matters :)

[alexitbe]

It is sewing wonderfully... Very nice for such a machine...

 

I am still in wonder at all the shiny bits...  I have bought citrone saure and going to try and derust some stuff... I wan to get as good as your result... 

 

I am also looking at buying a car batterie charger to attempt some electrolysis...

 

I am looking for the least physically demanding derusting method...

 

Thanks for keeping us entertained...

[R8R]

6 hours ago, alexitbe said:

I am looking for the least physically demanding derusting method...

 

Battery charger, some clamps, wire and old wrenches. 

Or white vinegar and a little elbow grease.

Here is WAY more than you wanted to know: