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Topic Review (Newest First)
Today 08:44 PM
41'srfun I'm not an expert in the field. but I think that you can control the speed of an AC motor If it is a brush type motor. Most electric drills are brush type and it may depend on how the field is wound also. If it is a brush type motor you may be able to use a rheostat. If it doesn't have brushes then you have to have a controller that will reduce the hertz. (I think) LOL!
Today 07:42 PM
John long
Quote:
Originally Posted by 123pugsy View Post
AC motors are funny. Some can be speed controlled and some not. I bought a router speed control but it didn't work on my router. I think it worked on my 4-1/2" angle grinder though. Big help there.
Quote:
Originally Posted by 1971BB427 View Post
They can all be speed controlled, but not all with the same type of controller! Some need frequency controllers to slow the frequency (hertz) and others can be controlled by reducing the voltage. Some AC motors will burn up with voltage reducing controllers.
What do I need to know to figure out how to control mine.

John
Today 07:28 PM
1971BB427
Quote:
Originally Posted by 123pugsy View Post
AC motors are funny. Some can be speed controlled and some not. I bought a router speed control but it didn't work on my router. I think it worked on my 4-1/2" angle grinder though. Big help there.
They can all be speed controlled, but not all with the same type of controller! Some need frequency controllers to slow the frequency (hertz) and others can be controlled by reducing the voltage. Some AC motors will burn up with voltage reducing controllers.
Today 03:46 PM
John long
Quote:
Originally Posted by 123pugsy View Post
AC motors are funny. Some can be speed controlled and some not. I bought a router speed control but it didn't work on my router. I think it worked on my 4-1/2" angle grinder though. Big help there.
Hmmmm, Interesting.

John
Today 08:16 AM
123pugsy
Quote:
Originally Posted by John long View Post
LOL, The garage door opener in question is on My bead roller.

I checked for a tag with the electrical information but did not find one on it. I guess I would have to tear it apart and see if there is anything on the motor. It is a 1/2 HP Craftsman. I don't know if I could find anything on line or not but I would assume it would be an A/C motor.

John
AC motors are funny. Some can be speed controlled and some not. I bought a router speed control but it didn't work on my router. I think it worked on my 4-1/2" angle grinder though. Big help there.
Today 08:09 AM
boothboy
Quote:
Originally Posted by John long View Post
LOL, The garage door opener in question is on My bead roller.

I checked for a tag with the electrical information but did not find one on it. I guess I would have to tear it apart and see if there is anything on the motor. It is a 1/2 HP Craftsman. I don't know if I could find anything on line or not but I would assume it would be an A/C motor.

John
BB
Today 08:05 AM
John long
Quote:
Originally Posted by boothboy View Post
John why do you want to control the speed of your garage door? Playing tricks on the little lady?

BB
LOL, The garage door opener in question is on My bead roller.

I checked for a tag with the electrical information but did not find one on it. I guess I would have to tear it apart and see if there is anything on the motor. It is a 1/2 HP Craftsman. I don't know if I could find anything on line or not but I would assume it would be an A/C motor.

John
Today 07:28 AM
boothboy
Quote:
Originally Posted by John long View Post
Does anyone know if a sewing machine pedal can control the type of motor on a garage door opener?

John
John why do you want to control the speed of your garage door? Playing tricks on the little lady?

BB
Today 05:04 AM
123pugsy
Quote:
Originally Posted by John long View Post
Does anyone know if a sewing machine pedal can control the type of motor on a garage door opener?

John
DC motors can be speed controlled but AC it depends on the type of motor.

What's the voltage info? I can do some googlin'.
Yesterday 07:15 PM
John long
Quote:
Originally Posted by Too Many Projects View Post

As for speed control on the bead roller, look into a pedal feed for a sewing machine. I've heard they work for that.
Does anyone know if a sewing machine pedal can control the type of motor on a garage door opener?

John
07-02-2015 08:25 PM
Too Many Projects Looks like a little less work that the LH side.

As for speed control on the bead roller, look into a pedal feed for a sewing machine. I've heard they work for that.
07-02-2015 08:07 PM
John long
Repairing weather strip channel

Going about the RH weatherstrip channel a little differently. The parts car had what appeared to be a fairly solid piece but by the time I got it cut out, seperated the spot welds, and sandblasted it......well, judge for yourself.

This is the piece I cut out of the yellow Hdtp.

The rusty holes are mostly where it was spot welded to the support brace on the bottom side.



The bottom shows that there are indeed problems but it is still shiney silver without heavy rust from underneath.







Here is the piece after sandblasting.



Next I made a replacement channel for the rusty area. as you can see, I also welded up just a few pinholes that the replacement channel will not cover.

The challenge will be to weld this up without distorting it so badly it will no longer fit the convertible. I may have to cut it in two in order to get it to fit and maintain my panel gaps.






The holiday will probably slow me down but we are looking forward to the kids coming for a few days. We will get back to it next week.

John
07-01-2015 07:00 PM
John long
Quote:
Originally Posted by Too Many Projects View Post
As usual, it looks great but I think you have been breathing too many paint fumes...that's still the LH side. The rusty one is the RH side...
I fixted it.

John
07-01-2015 04:23 PM
Too Many Projects As usual, it looks great but I think you have been breathing too many paint fumes...that's still the LH side. The rusty one is the RH side...
07-01-2015 04:07 PM
John long Finished the LH channel today and got the welds ground.

John








Now for the passenger side. Maybe, just maybe, I am going to be able to get this one out of the parts car.....fingers crossed.

John



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