Archived posting to the Leica Users Group, 2000/02/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks John. That makes a lot of sense. It could be why some folks have no problems loading the later M and others do. I'll look at it closely next time I change film. Mike Durling KD4KWB http://www.widomaker.com/~durling/ - ----- Original Message ----- From: "John Collier" <jbcollier@home.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Saturday, February 26, 2000 4:34 PM Subject: Re: [Leica] Film Winding Again, (was BASic question) > I have never tried winding the camera with the baseplate off. Maybe the film > is not in the proper position without the baseplate in place. It would not > take much for the take-up spool "catches" to miss. > > John Collier > > > From: "Mike Durling" <durling@widomaker.com> > > > > John: > > > > I was afraid that I wasn't being very clear. It was late. I've always been > > very careful to make sure that the film in the M4 was engaged by the > > sprockets. The problem I always had was that once the film tip was in the > > takeup it would slip out when I wound the film. I used to wind with the > > bottom off and watch it very carefully. It would often take several tries > > to get it to seat properly. Being VERY careful ususally helped. Following > > the advice of some on this list I dropped the film in and, after making sure > > the sprockets were lined up, I closed the bottom before winding. So far I > > have had better luck. By now I know the sound of the film tip popping out > > of the takeup. > > > > I've been trying to figure out why it doesn't come loose when the bottom is > > on but will when the bottom is off. It almost seems like the theory that > > the alligator won't bother you if you don't keep staring at it! > > > > Mike Durling > > KD4KWB > > http://www.widomaker.com/~durling/ > > > > ----- Original Message ----- > > From: "John Collier" <jbcollier@home.com> > > To: <leica-users@mejac.palo-alto.ca.us> > > Sent: Friday, February 25, 2000 10:40 PM > > Subject: Re: [Leica] Film Winding Again, (was BASic question) > > > > > >> I am not quite sure what you are referring to in the last sentence. One of > >> the big problems loading the M4/6 (OK, and M2R) cameras is that everyone > >> thinks the three pronged take-up spool is what pulls the film along, not > > so. > >> The toothed sprocket wheel (open camera back and look in the small > > "window" > >> to the right of shutter) engages in the holes in the film and pulls it > >> along. A misload occurs when the film holes are not aligned properly with > >> the sprocket wheel's teeth. This is most often caused by a crimp in the > > film > >> catching on the film gate's upper edge. The film is jammed between the > > film > >> positioning disc ( the funny wheel on the baseplate) and the film gate. A > >> funny grinding noise results (sprocket teeth rubbing on the film and/or > > film > >> leader tip flapping in the take-up spool). The take-up spool is on a > > simple > >> friction clutch and will not pull misaligned film. Try it yourself. Remove > >> the baseplate and gently rotate the three pronged take-up spool. The key > > to > >> proper loads is not the pronged take-up spool but how the film lies in the > >> film guides/gate. After a little practise it comes easy. If this is not > > the > >> answer to your question, ask again. > >> > >> John Collier > >> > >>> From: "Mike Durling" <durling@widomaker.com> > >>> > >>> > >>>> John Collier wrote: > >>>> > >>>> . . . The M6 requires the three pronged wheelie thing to align the film > >>>> properly . . . > >>>> > >>> > >>> Ok, now is this the secret to loading the later M-s? Frankly I quietly > >>> watched the debate on M6 loading. I've had an M4 for nearly 25 years > > and > >>> always had trouble loading it. Ted's film crimp helped a lot but the > > "drop > >>> the film in, close the bottom, and wind" technique really does seem to > > work. > >>> Is the "three pronged wheelie thing" the reason the film only pops off > > the > >>> spool when you are looking at it? (am I making any sense?) > >>> > >> > >> > > > >