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Thank you all!

My local hardware store has solid plastic rod in various diameters. If you can cut an internal 1mm thread, machining these should be possible. Neil ----- [email protected]> wrote:

If I remember correctly the cap thread is 9mm x 1mm pitch. Sent: 22 April 2020 17:27 To: Magnus Lindgren; [email protected] Subject: Re: [Unimat] Cap for coal/spring assembly Hello Magnus, Just curious

No misprint. The Unimat DB/SL HS offsets, the TS doesn't. The following is the correct procedure, per "bluerandonee": Put a dead center in the spindle. Clamp a machinists scale on top of a bit in the

On my U3 I would instead use the topslide....(Compund0 to turn the taper into the barrel blank.? Turning between centers using the faceplate and dog, Never tried it seems possible Ed

Hello Magnus, Just curious to know if you have had time to look at the bakelite caps on your scrap motor? Min mejladress: hakanssondahlberg@.... -- Lars H

I think that there is probably a misprint in the directions. To turn a taper between centers I would offset the tail stock from the center line between the head stock and tail stock. I don’t have my

Put a dead center in the spindle. Clamp a machinists scale on top of a bit in the tool holder on the cross slide (make sure it is set to 90 degrees). Adjust the cross slide until an inch line meets

If I am holding the barrel blank in my 3 or 4 jaw, I have excess material at the breech.? I wouldlet my tool touch the blank at the muzzle end and back the cross slice out 3.57 mm 3.55 or 3.6 easy

The point of a dead center inserted into the tailstock and the tailstock moved as far left as possible would (should, ought) give you the datum for measuring headstock offset from. alf,

Thanks Alf - I'm a little confused as to what my datum point would be - presumably I could set a tool at the edge of the faced rod at one extreme end of the taper, and then rotate the headstock so the

I can't specifically address your numbers there, but I can see my way to working out the geometry first on paper. Personally I either remember back to high school geometry and when that fails me - it

Reading the project files ‘Edenstaal Cannon’ - page 1 talks about offsetting the headstock to attain a taper. I’ve tried this with some brass and so I’m broadly familiar with the idea, but

What a good idea, I never though of making a thread this way. Thanks for the tip.

you could also wrap some plastic wrap around the threads & form some epoxy putty around it to make a cap,

I found the file and have sent him a mail. Thank you for the tip! -- Lars H

I would be most grateful? if you will have a look at your scrap motor -? if the caps are ok I would like to buy them. Yes, I am swedish and live in south Sweden. Tack Magnus! -- Lars H

My thoughts are much the same. With the clearance mentioned in one of the other emails a very slight misalignment could cause your symptoms. You may be able to rotate an end plate in 90 degree steps.

Dave is it possible to rotate the end plates of the motor?? If so try to rotate one 180 degrees and see if the shaft spins more freely.The binding of the shaft could be just a misalignment of the

So I got it running really well and spent some of the day putting it all together. Here is a picture. A few more loose ends to tie up and I will be ready to make something. Thanks to everyone who