Hello:

Went to R/S today to pick up some BNC connectors to make a short coax patch
wire.

Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Apparently you insert the stripped end of the coax into the connector, and
twist a portion of the rear
of the connector barrel which clamps the braid.
My guess is that this probably is OK for the braid, but I can't imagine how
it connects, relaiably, to the center pin.

Looking at it in the package, it seems the coax wire just pokes into the
center pin, and that's that.
Maybe they expect gravity to make a contact.

Seems like this would make a really poor connector, but perhaps I'm too old
fashioned in thinking that
the only good contact is a soldered one.

Am I missing anything here ?

Do they actually work ?
Work good enough for a receiver's coax run ?

Thanks,
Bob

"Robert11" wrote in message
...

[snip]

Seems like this would make a really poor connector, but perhaps I'm
too old
fashioned in thinking that
the only good contact is a soldered one.

Yeah, or a crimped one.


Am I missing anything here ?

Do they actually work ?

I mail ordered some by mistake. I put them on and they actually worked!
Well, kinda. I had to give it some trial and error to figure how much
to strip back the center conductor and how much to screw it on to get a
100% connection. They are easy and convienent, but I don't really trust
them. If the internal connection fails, it would be easy to fix, but
I'd rather not think about failing connections.

Work good enough for a receiver's coax run ?

Indoors should be OK. I wouldn't try to pass much current through them
or use them for anyting mission critical.

Thanks,
Bob


Frank Dresser

They can be soldered.
Chuck

Robert11 wrote:

Hello:

Went to R/S today to pick up some BNC connectors to make a short coax patch
wire.

Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Apparently you insert the stripped end of the coax into the connector, and
twist a portion of the rear
of the connector barrel which clamps the braid.
My guess is that this probably is OK for the braid, but I can't imagine how
it connects, relaiably, to the center pin.

Looking at it in the package, it seems the coax wire just pokes into the
center pin, and that's that.
Maybe they expect gravity to make a contact.

Seems like this would make a really poor connector, but perhaps I'm too old
fashioned in thinking that
the only good contact is a soldered one.

Am I missing anything here ?

Do they actually work ?
Work good enough for a receiver's coax run ?

Thanks,
Bob

Robert11 wrote:

Hello:

Went to R/S today to pick up some BNC connectors to make a short coax patch
wire.

Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Apparently you insert the stripped end of the coax into the connector, and
twist a portion of the rear
of the connector barrel which clamps the braid.
My guess is that this probably is OK for the braid, but I can't imagine how
it connects, relaiably, to the center pin.

Looking at it in the package, it seems the coax wire just pokes into the
center pin, and that's that.
Maybe they expect gravity to make a contact.

Seems like this would make a really poor connector, but perhaps I'm too old
fashioned in thinking that
the only good contact is a soldered one.

Am I missing anything here ?

Do they actually work ?
Work good enough for a receiver's coax run ?

Thanks,
Bob

They work just fine as long as one follows the instructions on the package for
properly trimming the coax before inserting it into the connector.

Steve
Holland, MI

Drake R7, R8 and R8B
http://www.iserv.net/~n8kdv/dxpage.htm

I have used a few of them and they work OK. I would not use them for
transmitting however. When the center wire goes into the center pin there is
a slight resistance pressure probably due to a spring clip type action.
They're quick and easy and should be fine for low power applications.

Al KA5JGV



"Robert11" wrote in message
...
Do they actually work ?
Work good enough for a receiver's coax run ?
Thanks,
Bob

I've been running one at 50 watts for years. No problem.


"Al - KA5JGV" wrote in message
...
I have used a few of them and they work OK. I would not use them for
transmitting however. When the center wire goes into the center pin there
is
a slight resistance pressure probably due to a spring clip type action.
They're quick and easy and should be fine for low power applications.

Al KA5JGV



"Robert11" wrote in message
...
Do they actually work ?
Work good enough for a receiver's coax run ?
Thanks,
Bob

"Robert11" wrote in message
...
Hello:

Went to R/S today to pick up some BNC connectors to make a short coax
patch
wire.
Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Radio shack is NO LONGER an electronics store.
It is now a Phone/Toys/Dish TV/Audio store.
As such DO NOT expect to get quality parts from
Radio Shack anymore. Makes you really *wonder*
why they still keep the name "RadioShack" when
it is NEITHER.

If you want solder BNC's go he www.hosfelt.com

Does the pin have a hole in the front for soldering?

yodar


"Robert11" wrote in message
...
Hello:

Went to R/S today to pick up some BNC connectors to make a short coax
patch
wire.

Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Apparently you insert the stripped end of the coax into the connector, and
twist a portion of the rear
of the connector barrel which clamps the braid.
My guess is that this probably is OK for the braid, but I can't imagine
how
it connects, relaiably, to the center pin.

Looking at it in the package, it seems the coax wire just pokes into the
center pin, and that's that.
Maybe they expect gravity to make a contact.

Seems like this would make a really poor connector, but perhaps I'm too
old
fashioned in thinking that
the only good contact is a soldered one.

Am I missing anything here ?

Do they actually work ?
Work good enough for a receiver's coax run ?

Thanks,
Bob

N8KDV wrote:

Robert11 wrote:

Hello:

Went to R/S today to pick up some BNC connectors to make a short coax patch
wire.

Was somewhat surprised to see that they only carry, now, the "screw-on"
variety.
No more soldered ones.

Apparently you insert the stripped end of the coax into the connector, and
twist a portion of the rear
of the connector barrel which clamps the braid.
My guess is that this probably is OK for the braid, but I can't imagine how
it connects, relaiably, to the center pin.

Looking at it in the package, it seems the coax wire just pokes into the
center pin, and that's that.
Maybe they expect gravity to make a contact.

Seems like this would make a really poor connector, but perhaps I'm too old
fashioned in thinking that
the only good contact is a soldered one.

Am I missing anything here ?

Do they actually work ?
Work good enough for a receiver's coax run ?

Thanks,
Bob

They work just fine as long as one follows the instructions on the package for
properly trimming the coax before inserting it into the connector.



Exactly what I was going to say. They have complete instructions on
the package, and done by those instructions, the finished product is
solid and works fine - I used one to connect antenna on my own receiver
- no problems at all.
I don't transmit, so can offer no opinion as to how reliable/unreliable
they might be in that application.

Tony


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I've been running one at 50 watts for years. No problem.

Me, too, on HF and VHF-- 50 watts out through the things. I'd even used them on
coax with stranded center conductors, but the conductor first, though, has to
be carefully prepared, including tinning and shaping the end. It then needs a
slight twist with the push, else it'll just bunch up at the back and short out
to the shield.

That flexible coax use was for a deck mount VHF antenna on a turtle back
company car I used in marine electronics service. The connection survived well,
but the flexing from frequent opening and closing of the rear door broke the
center conductor strand by strand until...

Bill, K5BY