On Thu, 04 Jan 2007 18:17:51 -0800, Frank Gilliland
wrote:

+++No kidding. My favorite hobby has nothing to do with electronics; I
+++rebuild & restore old Coleman lanterns. I would gladly trade any of
+++the crusty old CB's from my pile for a crusty old Coleman lantern.
**************

My favorite hobby is astronomy. There bigger is definitely better.


james

"U-Know-Who" wrote in message
...

"Jimmie D" wrote in message
. ..

"Steveo" wrote in message
...
Frank Gilliland wrote:
On 05 Jan 2007 17:16:13 GMT, Steveo wrote in
:

snip

Is it mostly sunny in that spot? It may be a strain poa annua which is
an annual grass that dies every summer.

Nice and sunny. It comes back every spring all nice and green, then
croaks. ****es me off. But it doesn't get a chance to go to seed so it
has to be a perennial strain of something.

The **** grass is what goes to seed generally, the annuals. Most
desirable
turfgrass is perennial and never goes to seed because you cut it every
week. It never gets tall enough to produce seed... like corn.

If you see grass that's only 2 or 3 inches tall going to seed it's more
than likely an annual grass. It's considered a weed in most parts and
people will pay to try and prevent it. Golf courses hate it.

I'd have to see it to know. Yeah if
it's sunny there you might consider sowing some turf type tall fescue
or
some sort of a perennial blend rye/blue/fescue. If it's shade go more
with the fine fescue/rye blend.

I'm definitely saving this post.... Thanks!!!

Glad to help. That's just a stab in the dark but it might be the
problem.
It's real common here. We slice seed those areas for people in the
spring
and fall.

I let my fescue get tall enough to go to seed a couple of times a year. I
have a neighbor who really hated this and she let me know in her catty
way. Funny thing the rest of my neighbors found out what I was doing now
they are too.

I told her it was a good thing we didnt live a little further south. Then
she would have to put up with me burning off my St Augustine every couple
of years.




Why would you burn off St. Augustine?
Burn it off in the winter while it is dormant is the easiest way of getting
rid of the thatch. If you dont do it it will eventually choke itsself to
death. When this happens you get a big bald spot in your yard then the grass
fills in again. In other words if you dont dethatch it it will dethatch
itself in very ugly ways.

On Sat, 6 Jan 2007 13:50:43 -0500, "Jimmie D"
wrote:

+++Burn it off in the winter while it is dormant is the easiest way of getting
+++rid of the thatch. If you dont do it it will eventually choke itsself to
+++death. When this happens you get a big bald spot in your yard then the grass
+++fills in again. In other words if you dont dethatch it it will dethatch
+++itself in very ugly ways.
***********

Be sure to verify that the brown spots are not chinch bugs. T hey log
St. Augustine. They eat the roots and then you have brown dead grass.

james

"james" wrote in message
...
On Sat, 6 Jan 2007 13:50:43 -0500, "Jimmie D"
wrote:

+++Burn it off in the winter while it is dormant is the easiest way of
getting
+++rid of the thatch. If you dont do it it will eventually choke itsself
to
+++death. When this happens you get a big bald spot in your yard then the
grass
+++fills in again. In other words if you dont dethatch it it will dethatch
+++itself in very ugly ways.
***********

Be sure to verify that the brown spots are not chinch bugs. T hey log
St. Augustine. They eat the roots and then you have brown dead grass.

james

Spectrocide, but burning keeps this down too.

OOO crap did any one notice the class d amp WAS running off the 120V line
input NO Isolation to the Finel D amp section to the speakers, WOW SHOCKING.

"james" wrote in message
...
On Thu, 04 Jan 2007 18:17:51 -0800, Frank Gilliland
wrote:

+++No kidding. My favorite hobby has nothing to do with electronics; I
+++rebuild & restore old Coleman lanterns. I would gladly trade any of
+++the crusty old CB's from my pile for a crusty old Coleman lantern.
**************

My favorite hobby is astronomy. There bigger is definitely better.


james

"Jimmie D" wrote in message
.. .

"james" wrote in message
...
On Sat, 6 Jan 2007 13:50:43 -0500, "Jimmie D"
wrote:

+++Burn it off in the winter while it is dormant is the easiest way of
getting
+++rid of the thatch. If you dont do it it will eventually choke itsself
to
+++death. When this happens you get a big bald spot in your yard then the
grass
+++fills in again. In other words if you dont dethatch it it will
dethatch
+++itself in very ugly ways.
***********

Be sure to verify that the brown spots are not chinch bugs. T hey log
St. Augustine. They eat the roots and then you have brown dead grass.

james

Spectrocide, but burning keeps this down too.

Obviously you have St. Augustine grass, How do yo dethatch yours. I know
there are mechanical ways of doing it but to me they are a lot of work and
rip out the roots.

"Jimmie D" wrote in message
. ..

"Jimmie D" wrote in message
.. .

"james" wrote in message
...
On Sat, 6 Jan 2007 13:50:43 -0500, "Jimmie D"
wrote:

+++Burn it off in the winter while it is dormant is the easiest way of
getting
+++rid of the thatch. If you dont do it it will eventually choke itsself
to
+++death. When this happens you get a big bald spot in your yard then
the grass
+++fills in again. In other words if you dont dethatch it it will
dethatch
+++itself in very ugly ways.
***********

Be sure to verify that the brown spots are not chinch bugs. T hey log
St. Augustine. They eat the roots and then you have brown dead grass.

james

Spectrocide, but burning keeps this down too.

Obviously you have St. Augustine grass, How do yo dethatch yours. I know
there are mechanical ways of doing it but to me they are a lot of work and
rip out the roots.


Scalping with a lawnmower in the very early spring is the most common
practice, while it is still semi-dormant. I suspect the city and the
neighbors would object to burning.



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"JSF" wrote in message
. ..
OOO crap did any one notice the class d amp WAS running off the 120V line
input NO Isolation to the Finel D amp section to the speakers, WOW
SHOCKING.

"james" wrote in message
...
On Thu, 04 Jan 2007 18:17:51 -0800, Frank Gilliland
wrote:

+++No kidding. My favorite hobby has nothing to do with electronics; I
+++rebuild & restore old Coleman lanterns. I would gladly trade any of
+++the crusty old CB's from my pile for a crusty old Coleman lantern.
**************

My favorite hobby is astronomy. There bigger is definitely better.


james



Not to uncommon for a design that WILL work of of line voltage to not show a
transformer even though it should have one. This may be in the verbal
description of the AMP. Also any High Power amp may have a couple of hundred
volts DC on the speaker terminals if there is componet failure. There should
be circuitry to prevent this.whether it is line isolated or not. Typically
the protection circuit CROWBARS the power supply blowing the fuse(s). Again
it is not uncommon for something like this to not be included in the draft
copy of an amp design.

"U-Know-Who" wrote in message
...

"Jimmie D" wrote in message
. ..

"Jimmie D" wrote in message
.. .

"james" wrote in message
...
On Sat, 6 Jan 2007 13:50:43 -0500, "Jimmie D"
wrote:

+++Burn it off in the winter while it is dormant is the easiest way of
getting
+++rid of the thatch. If you dont do it it will eventually choke
itsself to
+++death. When this happens you get a big bald spot in your yard then
the grass
+++fills in again. In other words if you dont dethatch it it will
dethatch
+++itself in very ugly ways.
***********

Be sure to verify that the brown spots are not chinch bugs. T hey log
St. Augustine. They eat the roots and then you have brown dead grass.

james

Spectrocide, but burning keeps this down too.

Obviously you have St. Augustine grass, How do yo dethatch yours. I know
there are mechanical ways of doing it but to me they are a lot of work
and rip out the roots.


Scalping with a lawnmower in the very early spring is the most common
practice, while it is still semi-dormant. I suspect the city and the
neighbors would object to burning.

No, where this stuff grow it seem like everybody burns it or doesnt have it.
At least thats been my experience.

On Tue, 9 Jan 2007 09:20:30 -0500, "Jimmie D"
wrote in
:


"JSF" wrote in message
...
OOO crap did any one notice the class d amp WAS running off the 120V line
input NO Isolation to the Finel D amp section to the speakers, WOW
SHOCKING.

"james" wrote in message
...
On Thu, 04 Jan 2007 18:17:51 -0800, Frank Gilliland
wrote:

+++No kidding. My favorite hobby has nothing to do with electronics; I
+++rebuild & restore old Coleman lanterns. I would gladly trade any of
+++the crusty old CB's from my pile for a crusty old Coleman lantern.
**************

My favorite hobby is astronomy. There bigger is definitely better.


james



Not to uncommon for a design that WILL work of of line voltage to not show a
transformer even though it should have one. This may be in the verbal
description of the AMP. Also any High Power amp may have a couple of hundred
volts DC on the speaker terminals if there is componet failure. There should
be circuitry to prevent this.whether it is line isolated or not. Typically
the protection circuit CROWBARS the power supply blowing the fuse(s). Again
it is not uncommon for something like this to not be included in the draft
copy of an amp design.


You're right, and I think I remember saying that it was a prototype.
The production version was a 2-channel unit that included a better
front-end with clipping indicator, a triac power switch (easier on the
power lines), a DC offset protection circuit (no crowbar), and thermal
breakers on the sinks. It was conservatively rated at 1000 watts RMS
continuous into 2 ohms in bridge mode. It could do 2000 watts but the
filters would get too hot because of the low carrier frequency, which
was the primary limitation of MOSFET technology at the time. Nowdays
they make MOSFETs with rise times in the sub nS range which made this
amp obsolete very quickly.