John Petrush wrote:
>
> The winders are lightweights compared to the motor dirves. Beyond the pure
> speed difference, the motor drives have a very heavy duty cycle -- you can
> run them hard all day and they seem to like it :). Shooting 30-40 rolls of
> one set of batteries, at full 5 fps, is routine with the MD.
>
> Winder 1 and 2, Motor Drive 1 and 2 all operate with the 250 film back.
> Here the motor drives really stand up and shine. With the increased load of
> pulling an 11m (33 ft) piece of film through the camera, much more torque is
> required. This torque is significant enough that Olympus added a second
> motor, rotating in the opposite direction, to balance the MD-2. The
> winders, while they "work", do not operate all the full rated speed. The
> motor drives do - and can do it for literally hundreds of frames at a time.
>
> John P
>
Hi John,
Would you please help me to confirm the actual performance of the MD1 or
2? my two second-hand MD1+Ni-Cd pack only give me around 4.3 fps with
OM4-Ti without film loading.
Thanks!
C.H.Ling
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|