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sudhin
03-02-2007, 03:08 PM
I need a very slow dc motor. its speed should be like 1 or 2 revolutions per second. pls let me know how i can build this using a normal 3v or 9v dc motor

vikas
03-02-2007, 04:58 PM
whatever is you RPM of the motor just choose the appropriate Gear down ratio.

firoz
03-02-2007, 08:00 PM
u said 1-2 revolutions per second.that means 60-120 RPM motor.i think u'll get it in hobby shops.

rick2047
08-17-2007, 02:49 AM
hi sudgin .. to get 60 to 120 rpm or say 1-2 rev/sec ... try finding the shops, they keep geared motors ranging from 50 to 300 rpm...

or

make yourself the gear assembly .. using the CCM pully set can be found in any electronic shop .... you can get 2400rpm to .5 rev /sec as used in my robot gripper ...
Demo : http://www.youtube.com/watch?v=oyUVzaYITbY
Watch problem wid video taks 30sec to load: http://www.youtube.com/watch?v=5v_KTsnl3mo

or

use PWM ICs ...

These will work nice ... Try!

Rahul

yugant
08-18-2007, 07:03 PM
hi dude,
i have two dc geared motors of 100 rpm.
if u want this mail me...............
my e mail id is (sweet_yugant@yahoo.co.in)

tpsbpl
09-06-2007, 01:24 AM
I need a very slow dc motor. its speed should be like 1 or 2 revolutions per second.
you can find it here :
Total Project Solutions
E 7 / 83F, Ashoka Society , Arera Colony
BHOPAL - 462016
Phone: 0755-2420735
Mobile: +91-98260-15410,+91-98260-50109
e-mail:tpsbpl@yahoo.co.in