small motors?
Does anyone remember the motors used in slot-car games ~25 years ago?
I remember the motors having the wire would around the core and what I
guess was the magnet as a square around the motor. I remember these
motors being small and light. Has anyone tried using one of them
(assuming they're still made and available)?
Mike
I remember the motors having the wire would around the core and what I
guess was the magnet as a square around the motor. I remember these
motors being small and light. Has anyone tried using one of them
(assuming they're still made and available)?
Mike
Comments
I haven't got to using motors with BS yet. Still learning code and ADC.
They are still available. Goto you local hobby shop, and take a look. They
come in around $ 10 on up to $ 100 + for the monster power and torque. They
are really an art of motor design. I would think that the biggest problem is
the amount of power they will use. After all, that kind of
power has to come from somewhere.
Bruce Snowden
Mike Eggleston wrote:
> Does anyone remember the motors used in slot-car games ~25 years ago?
> I remember the motors having the wire would around the core and what I
> guess was the magnet as a square around the motor. I remember these
> motors being small and light. Has anyone tried using one of them
> (assuming they're still made and available)?
>
> Mike
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
for $20 each. You can get them from a few RPM up to about 150 rpm and they
already have a gearbox and a large shaft. We attached the wheels directly to
the shaft. A MotorMind B will control them and give you almost infinite
speed control. I'm still working on the tach circuit, but so far, so good.
Original Message
> I haven't got to using motors with BS yet. Still learning code and ADC.
>
> They are still available. Goto you local hobby shop, and take a look.
They
> come in around $ 10 on up to $ 100 + for the monster power and torque.
They
> are really an art of motor design. I would think that the biggest problem
is
> the amount of power they will use. After all, that kind of
> power has to come from somewhere.
> > Does anyone remember the motors used in slot-car games ~25 years ago?
> > I remember the motors having the wire would around the core and what I
> > guess was the magnet as a square around the motor. I remember these
> > motors being small and light. Has anyone tried using one of them
> > (assuming they're still made and available)?
> will control them and give you almost infinite speed control.
> I'm still working on the tach circuit, but so far, so good.
That's something I just don't seem to comprehend. How do you connect wheels
to the shafts of a small motor or stepper? In fact, where do you even get
such wheels?
The monster steppers I have (1/4" shaft, or so) have a flattened shaft with
a set screw in the pully. However, all the smaller steppers I have, have a
1/16" (or so) shaft with a gear which appears to be permanently "pressed" ??
onto the shaft.
-- Mitch
have a small lathe at my disposal, I made a hub to fit. The wheels I used
were Razor scooter type wheels. I pressed out the bearings and press-fit the
hub I made into the wheel where the bearing used to be. A thick washer and
bolt on the other side holds the wheel on.
For the smaller motors or servos, you could probably drive another gear that
has a larger shaft, make something to bolt onto the gear, or remove the old
gear and carefully press on something else.
Original Message
> > We attached the wheels directly to the shaft. A MotorMind B
> > will control them and give you almost infinite speed control.
> > I'm still working on the tach circuit, but so far, so good.
>
> That's something I just don't seem to comprehend. How do you connect
wheels
> to the shafts of a small motor or stepper? In fact, where do you even get
> such wheels?
>
> The monster steppers I have (1/4" shaft, or so) have a flattened shaft
with
> a set screw in the pully. However, all the smaller steppers I have, have
a
> 1/16" (or so) shaft with a gear which appears to be permanently "pressed"
??
> onto the shaft.
>
> -- Mitch
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
Just drill the hole a little smaller in the plastic wheel hub than the shaft
diameter and press it on. I found that this works really well and have not
had any problems with the wheels slipping. If you want to you can pull the
gear off the end of your small steppers with a small wheel puller if you can
find one but being that the shaft is so small in diameter you could crudely
use 2 screwdrivers to pop off the pressed on gear. just be careful not to
bend the shaft. (note: I have wrecked steppers this way but it usually
works)
Regards,
Jim
Original Message
From: "M. D. Miller" <mdmiller2@h...>
To: <basicstamps@yahoogroups.com>
Sent: Thursday, March 08, 2001 10:53 PM
Subject: RE: [noparse][[/noparse]basicstamps] small motors?
> > We attached the wheels directly to the shaft. A MotorMind B
> > will control them and give you almost infinite speed control.
> > I'm still working on the tach circuit, but so far, so good.
>
> That's something I just don't seem to comprehend. How do you connect
wheels
> to the shafts of a small motor or stepper? In fact, where do you even get
> such wheels?
>
> The monster steppers I have (1/4" shaft, or so) have a flattened shaft
with
> a set screw in the pully. However, all the smaller steppers I have, have
a
> 1/16" (or so) shaft with a gear which appears to be permanently "pressed"
??
> onto the shaft.
>
> -- Mitch
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
few dollars.
Cost would be worth it to save one stepper motors.
Bruce
Jim Szymczak wrote:
> I used model airplane wheels once to go ionto the shaft of stepper motors.
> Just drill the hole a little smaller in the plastic wheel hub than the shaft
> diameter and press it on. I found that this works really well and have not
> had any problems with the wheels slipping. If you want to you can pull the
> gear off the end of your small steppers with a small wheel puller if you can
> find one but being that the shaft is so small in diameter you could crudely
> use 2 screwdrivers to pop off the pressed on gear. just be careful not to
> bend the shaft. (note: I have wrecked steppers this way but it usually
> works)
>
> Regards,
> Jim
>
Original Message
> From: "M. D. Miller" <mdmiller2@h...>
> To: <basicstamps@yahoogroups.com>
> Sent: Thursday, March 08, 2001 10:53 PM
> Subject: RE: [noparse][[/noparse]basicstamps] small motors?
>
> > > We attached the wheels directly to the shaft. A MotorMind B
> > > will control them and give you almost infinite speed control.
> > > I'm still working on the tach circuit, but so far, so good.
> >
> > That's something I just don't seem to comprehend. How do you connect
> wheels
> > to the shafts of a small motor or stepper? In fact, where do you even get
> > such wheels?
> >
> > The monster steppers I have (1/4" shaft, or so) have a flattened shaft
> with
> > a set screw in the pully. However, all the smaller steppers I have, have
> a
> > 1/16" (or so) shaft with a gear which appears to be permanently "pressed"
> ??
> > onto the shaft.
> >
> > -- Mitch
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
> >
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/