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New Vertical Feed. This was the 3rd basic model of the Davis Vertical Feeds. The models were:

Low Arm
High Arm 1
High Arm 2
New VF

Quote:

Originally Posted by jljack (Post 5185517)

Thanks, Charlee....I knew you or Monica would have the answer. It was going along fine...in fact, it was just whipping along! That thing is FAST! Then all of a sudden the belt started slipping out of the groove. I suspected it had stretched, but wanted to be sure that was the problem before I cut it off again.

I read somewhere that the DVF machines were engineered to make 1200 stitches per minute....considering that these are treadle or handcrank machines, that's incredibly fast for their time of manufacture! :)

Quote:

Originally Posted by jljack (Post 5185465)

I love how the NVF treadles, too....really, really smooth!! I can't believe how easy it is to treadle. Lots easier then my 1956 Singer 15 in the straight leg treadle. That thing gives me a workout!

Monica, question....the treadle belt on my NVF has started slipping out of the groove on the wheel on the irons...is it too loose? It was a brand new belt when I put it on.

Janice, With new leather belts, adjustments will need to be made after you have treadled with them for a couple of days or a week. I have had to adjust all of mine.

As to belts, I have tested the leather, the metal, and the aquarium tubing. My favorite so far is the aquarium tubing that I have picked up for super cheap at the Diaso Japan store ( like a dollar store). Why I like this material over the others is the fact that it is cheap, easy to cut, easy to sew through, grips the treadle groove, and doesn't make a noise like the metal one does.

Photo of the tubing on my Singer 15:
[ATTACH=CONFIG]332221[/ATTACH]

Quote:

Originally Posted by J Miller (Post 5185542)

OK gals, what does NVF stand for when you are referring to these machines?

Joe

Link to photos of the different Davis Vertical Feeds: http://www.kelsew.info/Domestic/DavisVFmodels.html

Last photo is the Davis NVF.

Are all Davis machines vf?

Oh, I used tape to hold the tubing while stitching the tubing together with dental floss. The white dental floss isn't showing up in the photo. Only the tape around the tubing is showing in the photo.

Quote:

Originally Posted by miriam (Post 5185640)

Are all Davis machines vf?

Davis also made the Minnesota (model letter) and Honeymoon. I love that name Honeymoon! :D

Photo of the metal belt:
[ATTACH=CONFIG]332228[/ATTACH]

I saw one that said Petite - it was not VF

Quote:

Originally Posted by miriam (Post 5185640)

Are all Davis machines vf?

No, the later ones (and most of the badged ones) aren't VF--have feed dogs.

pat