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Posted by David Harmon on March 27, 2009, 7:41 pm
On Wed, 25 Mar 2009 14:24:28 -0700 (PDT) in alt.sewing, jaxashby@aol.com
wrote,
show/hide quoted text
>Sorry, let me clarifiy my statement.
>When producers of motor speed controllers use the term "DC-
>type" (electric) motor, they use the term very loosely and mean an
>electric motor that "can" run on DC, i.e., it has brushes.
Sorry, that's wrong. That kind of motor is called "universal" and can
run from either direct current (DC) or alternating current (AC).
A DC motor, such as a permanent magnet type motor, will only run from DC
and may be damaged if connected to AC.
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Posted by Bill Boyce on March 28, 2009, 2:50 pm
Bill Boyce wrote:
show/hide quoted text
> Looking for an older (1950's-1970's) machine I can slow down for fussy
> work. My research has only shown up the Elna Grasshopper and the Viking
> Husqvarna series 20 machines. Hard to find.
>
> Anyone know of any others? The Grasshopper uses a gear to slip in the
> drivetrain to slow it down. Anyone know how the Viking works? Switch or
> what? Thanks, JPBill
Thanks to those who responded. I have a speed controller on order from
ebay, so I lost the "excuse" to buy an Elna Grasshopper (if i ever find
one) JPBill
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Posted by robb on March 28, 2009, 5:55 pm
show/hide quoted text
> Bill Boyce wrote:
> > Looking for an older (1950's-1970's) machine I can slow down
for fussy
show/hide quoted text
> > work. My research has only shown up the Elna Grasshopper and
the Viking
show/hide quoted text
> > Husqvarna series 20 machines. Hard to find.
> > Anyone know of any others? The Grasshopper uses a gear to
slip in the
show/hide quoted text
> > drivetrain to slow it down. Anyone know how the Viking works?
Switch or
show/hide quoted text
> > what? Thanks, JPBill
> Thanks to those who responded. I have a speed controller on
order from
show/hide quoted text
> ebay, so I lost the "excuse" to buy an Elna Grasshopper (if i
ever find
show/hide quoted text
> one) JPBill
Hi Bill,
I suppose you already looked at that place one would usually
reccomend ?
I've seen some recently.
I don't know about pricing though. It seems like there has been a
new influx of sewing interest there and some sewing machines are
going for ridiculous prices ... e.g. $400 ! for a elna air
electronic and similar models
seems to come in waves though
robb
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Posted by Olwyn.Mary on March 28, 2009, 11:43 pm
robb wrote:
show/hide quoted text
>> Bill Boyce wrote:
>>> Looking for an older (1950's-1970's) machine I can slow down
> for fussy
>>> work. My research has only shown up the Elna Grasshopper and
> the Viking
>>> Husqvarna series 20 machines. Hard to find.
>>> Anyone know of any others? The Grasshopper uses a gear to
> slip in the
>>> drivetrain to slow it down. Anyone know how the Viking works?
> Switch or
>>> what? Thanks, JPBill
>> Thanks to those who responded. I have a speed controller on
> order from
>> ebay, so I lost the "excuse" to buy an Elna Grasshopper (if i
> ever find
>> one) JPBill
>
> Hi Bill,
>
> I suppose you already looked at that place one would usually
> reccomend ?
> I've seen some recently.
>
> I don't know about pricing though. It seems like there has been a
> new influx of sewing interest there and some sewing machines are
> going for ridiculous prices ... e.g. $400 ! for a elna air
> electronic and similar models
>
> seems to come in waves though
>
> robb
>
>
Why is it not possible simply to have a less leaden foot on the pedal??
I can make my ordinary machine go quite slowly when necessary, in fact
I very rarely use it at full speed.
Olwyn Mary in New Orleans
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Posted by I.E.Z. on March 29, 2009, 1:48 pm
show/hide quoted text
> robb wrote:
>>> Bill Boyce wrote:
>>>> Looking for an older (1950's-1970's) machine I can slow down
>> for fussy
>>>> work. My research has only shown up the Elna Grasshopper and
>> the Viking
>>>> Husqvarna series 20 machines. Hard to find.
>>>> Anyone know of any others? The Grasshopper uses a gear to
>> slip in the
>>>> drivetrain to slow it down. Anyone know how the Viking works?
>> Switch or
>>>> what? Thanks, JPBill
>>> Thanks to those who responded. I have a speed controller on
>> order from
>>> ebay, so I lost the "excuse" to buy an Elna Grasshopper (if i
>> ever find
>>> one) JPBill
>> Hi Bill,
>> I suppose you already looked at that place one would usually
>> reccomend ?
>> I've seen some recently.
>> I don't know about pricing though. It seems like there has been a
>> new influx of sewing interest there and some sewing machines are
>> going for ridiculous prices ... e.g. $400 ! for a elna air
>> electronic and similar models
>> seems to come in waves though
>> robb
> Why is it not possible simply to have a less leaden foot on the pedal?? I
> can make my ordinary machine go quite slowly when necessary, in fact I
> very rarely use it at full speed.
> Olwyn Mary in New Orleans
Unfortunately, with some sewing machines, it isn't that simple. I had an
old (bought in 1976) New Home mechanical machine that was impossible to
control. Believe me, I tried to "unleaden" my knee (it was a knee control)
, but then it would stop. Press a little harder and - zoom! Away it went.
Pretty much the machine was either at full stop, or full speed ahead. I
took off the knee attachment and tried using the controller as a pedal on
the floor - didn't help. I suspected that it was the controller more so
than the machine itself, but the controller unit, with or without the knee
attachment, was wired in and I had no clue how to replace it. Instead I
replaced the whole machine with a Bernina. On the Bernina and other
machines I've had since, it *is* simply a matter of pressing soft or hard.
Strides have been made in the controller technology I guess!
Iris
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>When producers of motor speed controllers use the term "DC-
>type" (electric) motor, they use the term very loosely and mean an
>electric motor that "can" run on DC, i.e., it has brushes.