which servo (step motor) allowed for this year?

[mahmosh]

hey all
our team wanna use a step motor.
which step motors allowed for this year (2009)? ...

[IndySam]

None.

<R51>
Motors specifically permitted on 2009 FRC ROBOTS include:
A. All motors, actuators, and servos provided in the 2009 Kit Of Parts,
B. An unlimited number of COTS servos with a maximum output torque of 55 oz-in and maximum rotational speed of 100 rpm at 6 Vdc (e.g. HITEC model HS-322HD or HS-325HB servos, as provided in the Kit Of Parts),
C. An unlimited number of FIRST Tech Challenge (FTC) servos (HITEC HS-475HB servos),
D. One or two additional 2-1/2” CIM motors (part #FR801-001 and/or M4-R0062-12) in addition to those provided in the Kit Of Parts. This means that up to four, and no more, 2-1/2” CIM motors can be used on the ROBOT.

[Teched3]

I think he was asking about the Hi-Tec servos, which you can use an unlimited amount. They are listed in R51-B in your response. Unlike past years where the manufacturer was specified, now they are listing specifications that cannot be exceeded. They are also listing FIRST challenge Hi-Tech servos in R51-C, unlimited quantities.

[mahmosh]

our team want to use a servo for driving the robot not to use the camera
... not like HITEC HS-475HB servos

[EricH]

Originally Posted by mahmosh

our team want to use a servo for driving the robot not to use the camera
... not like HITEC HS-475HB servos

In that case, Indysam's answer stands.

<R52>Items specifically PROHIBITED from use on the ROBOT include:
A. Electric motors and/or servos different from, or in addition to, those in the Kit Of Parts, with the exception of those specifically permitted by Rule <R51>.
B. Electric solenoid actuators (note: electric solenoid actuators are NOT the same as pneumatic solenoid valves – the latter are permitted, the former are not).

I don't see any step motors/servos in the list in <R51>...

Now if you could rig a CIM or other KOP motor to act like a step motor or servo through some clever software and sensors, without modifying the motor itself...

[mahmosh]

mm.. i think we can use the jaguar itself .. by the jumpers on it with a limitswitch... true ?

[EricH]

Originally Posted by mahmosh

mm.. i think we can use the jaguar itself .. by the jumpers on it with a limitswitch... true ?

You'd have to talk to the electronics/programming gurus around here for that.

[mahmosh]

OK .. THANKS