Need help with a Torque issue (suggest motors or another method)
November 26, 2008
I'm purposely being vague because this is my next robot and I believe this to be my last issue to work through. I have the circuit working on a breadboard and this is the last piece in the physical build.
Blue plastic "gear"
Gear on motor pushing on red peg
Side view of gear on peg
What I need is something that can push the peg down and then let go. The motor is supposed to spin the blue gear which pushes down the peg. When the gear turns shallow again it lets the peg pop back out. As long as the motor turns is is supposed to continually push the peg down and then let go. The problem is the motor doesn't have enough torque when supplied with 9volts. If I turn it by hand it works perfectly. Any ideas on a new motor or another method I can use. The problem is ground clearance isn't much since I am using the solarbotics black plastic wheel and this is on the bottom of the bot between the front axles. I do have some linear gears which I could try to hook up to a gear mounted on a servo, but I doubt that would be enough torque either. Any ideas for motors (I need 4 so cheap is preferred under $5 each) or another method? Each robot has 2 pegs and I would like each peg to be controlled individually, but to make it would I would consider if they worked at the same time.
Thanks for the help! I was hoping to finish the build tonight so I could work on soldering the circuit, but alas lady luck is not on my side!
And yes Frits those ARE paint sticks and that IS a ton of hot glue!