I've had a failure of the motor on a PZ1 after several years of heavy usage (maybe 1500 - 2000 rolls of 36 exp, no home rolled), and also on a PZ1P after significantly less usage than the PZ1. The Pentax repair tech in Colorado said it was unusual, but not unexpected given the amount of usage.
Ken Waller ----- Original Message ----- From: Bruce Dayton <[EMAIL PROTECTED]> To: Raimo Korhonen <[EMAIL PROTECTED]> Sent: Friday, January 04, 2002 12:16 PM Subject: Re: Vs: Vs: Re[2]: MZ5 and MZ5n Z1p Question > Raimo, > > Don't know for sure, but based on reports on the list here for the > past several years, I would say that the PZ-1p is more reliable on > motors. There have been multiple reports of ZX-5's failing on film > transport and I have yet to hear of any PZ-1p's. My guess is that the > ZX series motors are cheaper and lighter - has nothing to do with > better reliability, only worse. > > > Bruce Dayton > > > > Friday, January 04, 2002, 9:08:00 AM, you wrote: > > RK> Maybe the PZ-1p has more torquey motor(s) - it has more FPS, too. But does it really affect reliability - only time and prolonged use will tell. Maybe the MZ series has less torque to improve > RK> longevity, who knows? > RK> Does the PZ-1p have one motor just for rewind? IIRC the Canon T-90 had 3 motors. Many cameras have only one. > RK> All the best! > RK> Raimo > RK> Personal photography homepage at http://personal.inet.fi/private/raimo.korhonen > > RK> -----Alkuper�inen viesti----- > RK> L�hett�j�: Bruce Dayton <[EMAIL PROTECTED]> > RK> Vastaanottaja: Raimo Korhonen <[EMAIL PROTECTED]> > RK> P�iv�: 04. tammikuuta 2002 1:00 > RK> Aihe: Re: Vs: Re[2]: MZ5 and MZ5n Z1p Question > > > >>Raimo, > >> > >>Yes, but have you been using bulk rolled film? It doesn't roll in and > >>out of the cannister as smoothly as the manufacturers stuff. I have > >>several ZX's and had 2 PZ-1p's. When winding and rewinding, the PZ-1p > >>tends to pull without any change in motor speed (pitch). The ZX's > >>however, tend to go up and down quite noticeably during rewind on bulk > >>rolled film. Plastic cannisters are even worse than metal ones. So I > >>am saying that the power-torque (not speed) of the PZ-1p is better > >>than the ZX's. My current MZ-S's seem better than the ZX series, but > >>not quite as strong as the PZ-1p. > >> > >>Hope this clears things up. > >> > >> > >>Bruce Dayton > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

