Quote:
Originally Posted by Steve_C
Russ, did you drill the larger gear out to accept the nut and the smaller gear to take the 6mm shaft?
Did you just put the potentiometer in series with the motor or did you use a voltage regulator? Without a regulator the speed would not be constant.
Steve
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Hi Steve,
I drilled the large gear so as the hex of the nut was a tight press fit, I also used a strong adhesive to hold it in place.
I purchased a 12v DC motor speed controller & a 12v DC 2RPM motor off eBay. The gears were from Jaycar. I got the M6 brass rod from work and bent it to get a curved radius.
The last photo was taken with my barn door on 23rd July with my 6D & canon 50mm f1.4 lens @ f3.2 ISO 3200. Approx 30 exposures ranging from 10 to 60 seconds.