a K2 thought?

[kc5wa]

In reviewing the K2 manual prior to ordering/building I have noticed
that there are several
instructions to install a 'GROUP' of components then solder and trim the
leads. Wouldn't
this lead to missed solder connections or cause a less than perfect
soldered joint. I should
think like 'THE TURTLE ' in that slow and steady (one at a time) will
get you there with a lot less chance of an error in assembly.
72/71 de "rc" kc5wa

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[David A. Belsley]

Robert:
   I agree fully with your desire to think like the turtle.  One
component at a time.  Then you can double check you've got the right
component before soldering, be sure you've not missed any solder
points, and check each soldering job when done under the magnifying
glass to be sure it looks smooth and lies completely within its pad.  
It may seem like a lot of construction time, but it actually is not
that much slower.  It produces a mind set that is conducive to careful,
measured work.  And it sure saves one heck of a lot of time, anxiety,
and effort that come with having to make corrections.  Go Turtles.

best wishes,

dave belsley, w1euy



On Mar 21, 2005, at 10:51 AM, Robert Conley wrote:

> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim
> the leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.
> 72/71 de "rc" kc5wa
>
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[ac0h]

Robert Conley wrote:
> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.
> 72/71 de "rc" kc5wa


Hi Robert.

Of course you can choose to install and solder one component at a time.
I chose to use the "group" method described in the manual. You do need
to install all components in a group before moving on to the next
section of the board/s so as to minimize component interference issues
when moving on to the next section.

Anyone attempting these kits needs to have a good magnifier and get
comfortable using it
As I said. I installed and soldered in groups. I can think of only one
or two instances where I failed to solder a lead the first time through.
It's pretty easy to do it as laid out in the manual if you use the rule
that a lead doesn't get trimmed if it doesn't have a good solder joint
around it.


--
R. Kevin Stover ACØH

K2/100 #4684

Reclaim Your Inbox!
http://www.mozilla.org/products/thunderbird

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[Geoffrey Mackenzie-Kennedy-2]

Hi Robert.

Member of TURTLE team myself. Each component properly seated, soldered and
checked before moving on.

73.
Geoff.
GM4ESD

----- Original Message -----
From: "Robert Conley" <[hidden email]>
To: "elecraft@Elecraft List" <[hidden email]>
Sent: Monday, March 21, 2005 3:51 PM
Subject: [Elecraft] a K2 thought?

> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.
> 72/71 de "rc" kc5wa
>

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[Slater Tubman]

My experience as well.  I had missed a few if I placed  too many  at
once.  I tried to do no more than three (e.g., resistors) at one time
prior to soldering.  Double-check is a must.

73
Slater  VE5OA
Wolseley, SK Canada
K2 - 4519

On 21-Mar-05, at 8:58 AM, David A.Belsley wrote:

> Robert:
>   I agree fully with your desire to think like the turtle.  One
> component at a time.  Then you can double check you've got the right
> component before soldering, be sure you've not missed any solder
> points, and check each soldering job when done under the magnifying
> glass to be sure it looks smooth and lies completely within its pad.  
> It may seem like a lot of construction time, but it actually is not
> that much slower.  It produces a mind set that is conducive to
> careful, measured work.  And it sure saves one heck of a lot of time,
> anxiety, and effort that come with having to make corrections.  Go
> Turtles.
>
> best wishes,
>
> dave belsley, w1euy
>
>
>
> On Mar 21, 2005, at 10:51 AM, Robert Conley wrote:
>
>> In reviewing the K2 manual prior to ordering/building I have noticed
>> that there are several
>> instructions to install a 'GROUP' of components then solder and trim
>> the leads. Wouldn't
>> this lead to missed solder connections or cause a less than perfect
>> soldered joint. I should
>> think like 'THE TURTLE ' in that slow and steady (one at a time) will
>> get you there with a lot less chance of an error in assembly.
>> 72/71 de "rc" kc5wa
>>
>> _______________________________________________
>> Elecraft mailing list
>> Post to: [hidden email]
>> You must be a subscriber to post to the list.
>> Subscriber Info (Addr. Change, sub, unsub etc.):
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>
>

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[Douglas Westover]

I prefer the "one-at-a-time" approach myself..it may
take a little longer but, I think, keeps the error rate
down.

Doug,
W6JD, K2/100 #1626

----- Original Message -----
From: "Robert Conley" <[hidden email]>
To: "elecraft@Elecraft List" <[hidden email]>
Sent: Monday, March 21, 2005 7:51 AM
Subject: [Elecraft] a K2 thought?

> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.
> 72/71 de "rc" kc5wa
>
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
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>
> Help: http://mailman.qth.net/subscribers.htm
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[Ron D'Eau Claire-2]

Robert wrote:
I have noticed that there are several instructions to install a 'GROUP' of
components then solder and trim the leads. Wouldn't this lead to missed
solder connections or cause a less than perfect soldered joint.

--------------

As you can see, you're in good company with a lot of other 'turtles'!
Whatever produces the least chance of error is the best approach for each
builder.

In the newer manuals (KX1, XV transverters, etc.) you'll still find
components installed in groups, whenever appropriate, but no longer is there
a specific recommendation to hold off soldering unless there's a danger of
filling an adjacent solder pad on some of the more densely-packed boards
like the T1 Automatic Antenna Tuner.

One at a time or solder 'em as a group, either way is FB as long as it's the
way that works best for you.

Ron (A fellow turtle and proud of it) AC7AC



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I am one of the Turtles too.  I also made sure I
selected the right component by checking it three
times before I put it in the hole.  On resistors, I
actually measured the resistor with a meter to make
sure my eyes were not deceiving me.  A magnifying
device is a MUST!  I limited myself to three or four
components in the "group" build.  I also checked the
solder joint with the magnifying "hat" before snipping
off the lead.  Slow is good.  Fast is you will call
Gary S.

Lee - K0WA - SN 1056
http://home.swbell.net/k0wa


Common sense is in short supply - get some and use it  - Lee Buller
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[Craig Rairdin]

Robert Conley wrote:
> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.

I stuck with their groups and even grouped others where it was more
efficient. Before soldering a group I reviewed each value and positively
confirmed the location and value of each part. After soldering I examined
each lead to make sure it was soldered well, and confirmed this as I trimmed
each lead. In short, I think it's possible to be just as careful but have
the efficiency of doing all the part placement at one time and all the
soldering at one time.

R. Kevin Stover wrote:
> You do need
> to install all components in a group before moving on to the next
> section of the board/s so as to minimize component interference issues
> when moving on to the next section.

There are notable counterexamples, however. There were two or three places
in my K1 where it would have been SIGNIFICANTLY easier to install the parts
in a different order to make it easier to reach the part with the soldering
tip or to trim the lead.

> Anyone attempting these kits needs to have a good magnifier and get
> comfortable using it

This can't be said enough. I wear reading glasses during construction and
attach those clip-on magnifiers. They're wonderful and don't get in the way.
Even the writing on the smallest diode appears billboard sized and easy to
read.

Craig
WB0GUU for one more week
K1 #1966

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[IW3HVB]

> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.
> 72/71 de "rc" kc5wa

IMHO I think that there is only one method that works FB: the one you feel
comfortable to follow....
I find quite frustrating to stuff components on PCBs one by one, mainly
because I'm a little too impatient!
By the way for sure the one by one method allows to reduce significantly the
error rate.
I found that in some cases it would be better to put in place components in
a different order than stated on the manual, mainly because it would be
easier to stuff some following little diode or res. in a blank field. This
should make avoid some accidental heating of already stuffed comps with the
soldering tip.

73 to all de Giulio IW3HVB

K2/100#4681

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[Mike Markowski]

Craig Rairdin wrote on 03/21/05 12:40 ET:
> I wear reading glasses during construction and
> attach those clip-on magnifiers. They're wonderful and don't get in the way.

Here's another option, which incidentally has been giving my sons, 8 and
11, no end of entertainment seeing me work on my K2.  I have old
watchmaker's lenses (not sure of the correct name) that clip onto the
arm of old eyeglass frames without lenses.  Then when I need
magnification I can swing down one or more lenses to give me just the
level I need.  Pretty convenient, even if it does make me look like a
mad scientist at work.

Mike  AB3AP
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[K6TFZ]

For me, the biggest problem is distraction: the phone rings
or the wife needs to speak to you "right now". I can't watch
TV or listen to a radio while working. I have found that it takes
a lot longer to find and fix a problem than to do it correctly
the first time.
 
Geoff, K6TFZ
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[Michael Neverdosky]

Ron D'Eau Claire wrote:

> Robert wrote:
> I have noticed that there are several instructions to install a 'GROUP' of
> components then solder and trim the leads. Wouldn't this lead to missed
> solder connections or cause a less than perfect soldered joint.
>
> --------------
>
> As you can see, you're in good company with a lot of other 'turtles'!
> Whatever produces the least chance of error is the best approach for each
> builder.

I go with the, "whatever produces the least chance of error" system.
I always check resistors with a meter and work carefully and slowly.
Even then I sometimes make a mistake so whenever possible I have someone
else look over my work at each major new step. A fresh set of eyes will
often instantly see the fault that my eyes keep looking past.
If I don't have someone else to do a review I take a break and they look
at the board upside down to at least have a different angle on it.

michael N6CHV

--
"Why build JUST a Web site...
  when you COULD build a Web BUSINESS?"
  http://buildit.sitesell.com/webbible.html

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[Margaret Leber]

[hidden email] wrote:

> I can't watch TV or listen to a radio while working.

Neither can I, but I've discovered that having the MP3 player in my
computer on shufflle-play is plesant. No commercials thus no distractions...

  73 de Maggie K3XS

--
-----/___.   _)Margaret Stephanie Leber CCP, SCJP/"The art of progress /
----/(, /|  /| http://voicenet.com/~maggie SCWCD/ is to preserve order/
---/   / | / |  _   _   _    `  _  AOPA 925383/ amid change and to  /
--/ ) /  |/  |_(_(_(_/_(_/__(__(/_      K3XS / preserve change amid/
-/ (_/   '        .-/ .-/        ARRL 39280 /order."-A.N.Whitehead/
/________________(_/_(_/_______AMSAT 32844_/<[hidden email]>/

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[Tom Hammond-3]

Hi RC:

At 09:51 AM 3/21/05, Robert Conley wrote:
>In reviewing the K2 manual prior to ordering/building I have noticed that
>there are several instructions to install a 'GROUP' of components then
>solder and trim the leads. Wouldn't this lead to missed solder connections
>or cause a less than perfect soldered joint. I should think like 'THE
>TURTLE ' in that slow and steady (one at a time) will get you there with a
>lot less chance of an error in assembly.

It kinda depends upon whether you are able to develop a 'soldering rhythm'.
If you CAN do this, it's not difficult to solder in groups... just keep
count of the joints (err... connections) you solder each time and if your
count is off, then you need to find the missed connection.

Of course, there's nothing to keep you from installing and soldering each
component individually... it's up to you.

73,

Tom Hammond   N0SS

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[Leigh L. Klotz Jr WA5ZNU]

Here are some 4V AA Lithium batteries.

Although they have about half of the energy the Energizer drugstore
Lithium batteries provide, it is at a higher voltage.

Uses inside the KX1, six of these series-parallelled (not series as in
the current KX1 internal battery circuit!) would provide ~12V at about
900 mAh.

http://www.tadiranbat.com/hipower.php
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[David A. Belsley]

On Mar 21, 2005, at 2:12 PM, Tom Hammond wrote:

> Hi RC:
>
> At 09:51 AM 3/21/05, Robert Conley wrote:
>> In reviewing the K2 manual prior to ordering/building I have noticed
>> that there are several instructions to install a 'GROUP' of
>> components then solder and trim the leads. Wouldn't this lead to
>> missed solder connections or cause a less than perfect soldered
>> joint. I should think like 'THE TURTLE ' in that slow and steady (one
>> at a time) will get you there with a lot less chance of an error in
>> assembly.
>
> It kinda depends upon whether you are able to develop a 'soldering
> rhythm'. If you CAN do this, it's not difficult to solder in groups...
> just keep count of the joints (err... connections) you solder each
> time and if your count is off, then you need to find the missed
> connection.

Unless, of course, you get interrupted, or encounter a particularly
difficult soldering situation that saps your concentration and causes
you to lose count.  My experience is that you can count on losing
count. :-)

best wishes,

dave, w1euy
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[srife]

        I would say that, if that is what works best for you, then carry on
with that method.

As you were,

Stan Rife
W5EWA
Houston, TX
K2 S/N 4216
 

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Robert Conley
Sent: Monday, March 21, 2005 9:51 AM
To: elecraft@Elecraft List
Subject: [Elecraft] a K2 thought?

In reviewing the K2 manual prior to ordering/building I have noticed
that there are several
instructions to install a 'GROUP' of components then solder and trim the
leads. Wouldn't
this lead to missed solder connections or cause a less than perfect
soldered joint. I should
think like 'THE TURTLE ' in that slow and steady (one at a time) will
get you there with a lot less chance of an error in assembly.
72/71 de "rc" kc5wa

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[srife]

        That's the method I used as well, Craig. I would read the part, pick
it out of the labeled bin, verify the color code/part code/value with the
manual, insert, double check again between the manual and the board to make
sure things were as they should be and then move on to the next part. After
all the group was installed, I would solder everything. The best way I found
to check for bad/non-existent solder joints was while I was clipping the
leads. This all went quite a bit faster than it takes to talk about it. You
kind of get in to a rhythm and things progressed along well for me.

Stan Rife
W5EWA
Houston, TX
K2 S/N 4216
 

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Craig Rairdin
Sent: Monday, March 21, 2005 11:40 AM
To: [hidden email]
Subject: RE: [Elecraft] a K2 thought?

Robert Conley wrote:
> In reviewing the K2 manual prior to ordering/building I have noticed
> that there are several
> instructions to install a 'GROUP' of components then solder and trim the
> leads. Wouldn't
> this lead to missed solder connections or cause a less than perfect
> soldered joint. I should
> think like 'THE TURTLE ' in that slow and steady (one at a time) will
> get you there with a lot less chance of an error in assembly.

I stuck with their groups and even grouped others where it was more
efficient. Before soldering a group I reviewed each value and positively
confirmed the location and value of each part. After soldering I examined
each lead to make sure it was soldered well, and confirmed this as I trimmed
each lead. In short, I think it's possible to be just as careful but have
the efficiency of doing all the part placement at one time and all the
soldering at one time.

R. Kevin Stover wrote:
> You do need
> to install all components in a group before moving on to the next
> section of the board/s so as to minimize component interference issues
> when moving on to the next section.

There are notable counterexamples, however. There were two or three places
in my K1 where it would have been SIGNIFICANTLY easier to install the parts
in a different order to make it easier to reach the part with the soldering
tip or to trim the lead.

> Anyone attempting these kits needs to have a good magnifier and get
> comfortable using it

This can't be said enough. I wear reading glasses during construction and
attach those clip-on magnifiers. They're wonderful and don't get in the way.
Even the writing on the smallest diode appears billboard sized and easy to
read.

Craig
WB0GUU for one more week
K1 #1966

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[Robert-223]

Mike and all I built this unit to solder and identify components.  I put in
a small TFT screen so I can monitor what I'm doing while sitting
straight-up.  I get great magnification and can put in a vise to hold a
board while soldering.

My eyes got sore and I had headaches due to wearing magnifiers for too long
so I build this machine.  I've since changed the lighting set-up and use a
round fluorescent bulb around the lens.  It's great to use.

 http://images.andale.com/f2/115/123/10264406/1102451745722_Solderstation.jpgRobert VE3RPFThe Mad Scientist


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