Re: [drakelist] Confessions of an Appliance Operator

[Dennis Monticelli]

"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
That was a good idea to use surplus 24V fans on 12V.  Another trick
that works well is to put two identical fans in series and run them
off the voltage that normally powers one.  For example, two series 12V
fans run off 12V or two series 24V run off 24V.

Dennis AE6C

On Dec 24, 2007 8:25 AM, Eugene Balinski <[EMAIL PROTECTED]> wrote:
>
> "Eugene Balinski" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
> --
> All,
>
>One of the other solutions that is easy and quiet it to
> use a 24 volt DC fan and run it off of your station 12V DC
> supply.  These fans are usually cheap and are in generally
> in ample supply at local ham fests (at least here  in New
> England).  They come in many sizes.  As mentioned below,
> the larger ones are better for this application.
>
>   Simply place the fan  on top of the finals, use a couple
> of plastic screw as off-set "feet" to avoid scratching the
> cabinet, wire it to 12VDC, and you are done.   Cool Finals.
>
>
> 73, Merry Christmas and Happy New Year to all.
> Gene K1NR
>
>
> On Mon, 24 Dec 2007 01:55:53 -0800
>  "Dennis Monticelli" <[EMAIL PROTECTED]> wrote:
> >
> > "Dennis Monticelli" <[EMAIL PROTECTED]> made an
> > utterance to the drakelist gang
> >
> --
> > This is the same scheme that I use.  It is flexible,
> > quiet, and
> > completely non-invasive.  Also, I second the
> > recommendation on the
> > Panasonic Panaflo line.  They are clearly superior to the
> > PC grade
> > fans coming out of China.  Another tip: buy a larger fan
> > and run it
> > slower.  It will move the same amount of air as a small
> > fan run at
> > full speed yet make much less noise.  Also its "reach" is
> > better so
> > the warm air is drawn in over a wider area.
> >
> > Dennis AE6C
> >
> > On Dec 23, 2007 1:44 PM, john <[EMAIL PROTECTED]> wrote:
> > >
> > > john <[EMAIL PROTECTED]> made an utterance to the
> > drakelist gang
> > >
> -
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Re: [drakelist] Confessions of an Appliance Operator

[K9SQG]

[EMAIL PROTECTED] made an utterance to the drakelist gang
--
I use specially selected 220v fans that start and run reliably at 110 v.  
Can't hear them and they are the ones I use on L4B/L7 power supply 
upgrades/rebuilds.

Merry Christmas from a politically incorrect Drake enthusiast!
**See AOL's top rated recipes 
(http://food.aol.com/top-rated-recipes?NCID=aoltop000304)

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Re: [drakelist] Confessions of an Appliance Operator

[Eugene Balinski]

"Eugene Balinski" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
All,

   One of the other solutions that is easy and quiet it to
use a 24 volt DC fan and run it off of your station 12V DC
supply.  These fans are usually cheap and are in generally
in ample supply at local ham fests (at least here  in New
England).  They come in many sizes.  As mentioned below,
the larger ones are better for this application. 

  Simply place the fan  on top of the finals, use a couple
of plastic screw as off-set "feet" to avoid scratching the
cabinet, wire it to 12VDC, and you are done.   Cool Finals.


73, Merry Christmas and Happy New Year to all. 
Gene K1NR


On Mon, 24 Dec 2007 01:55:53 -0800
 "Dennis Monticelli" <[EMAIL PROTECTED]> wrote:
> 
> "Dennis Monticelli" <[EMAIL PROTECTED]> made an
> utterance to the drakelist gang
>
--
> This is the same scheme that I use.  It is flexible,
> quiet, and
> completely non-invasive.  Also, I second the
> recommendation on the
> Panasonic Panaflo line.  They are clearly superior to the
> PC grade
> fans coming out of China.  Another tip: buy a larger fan
> and run it
> slower.  It will move the same amount of air as a small
> fan run at
> full speed yet make much less noise.  Also its "reach" is
> better so
> the warm air is drawn in over a wider area.
> 
> Dennis AE6C
> 
> On Dec 23, 2007 1:44 PM, john <[EMAIL PROTECTED]> wrote:
> >
> > john <[EMAIL PROTECTED]> made an utterance to the
> drakelist gang
> >
-
Web mail provided by NuNet, Inc. The Premier National provider.
http://www.nni.com/


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Re: [drakelist] Confessions of an Appliance Operator

[Dennis Monticelli]

"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
This is the same scheme that I use.  It is flexible, quiet, and
completely non-invasive.  Also, I second the recommendation on the
Panasonic Panaflo line.  They are clearly superior to the PC grade
fans coming out of China.  Another tip: buy a larger fan and run it
slower.  It will move the same amount of air as a small fan run at
full speed yet make much less noise.  Also its "reach" is better so
the warm air is drawn in over a wider area.

Dennis AE6C

On Dec 23, 2007 1:44 PM, john <[EMAIL PROTECTED]> wrote:
>
> john <[EMAIL PROTECTED]> made an utterance to the drakelist gang
> --
> An option I use is a DC wall wart with selectable secondary voltage, so
> that you can move the fan (on rubber feet) from rig to rig, and adjust the
> fan speed with the voltage on the wall wart. They're less than ten
> bucks.  9V on a 12v fan is a happy medium.
>
> John K5MO
>
>
> --
>
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Re: [drakelist] Confessions of an Appliance Operator

[Jim Shorney]

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
On Sun, 23 Dec 2007 16:17:14 EST, [EMAIL PROTECTED] wrote:

>Forgot to mention.  Have a neoprene foot pad/rubber in each corner and  just 
>lay  up on the top of the PA cage or on the rt center ish of the  R4.

I found an oddly shaped 0-ring gasket where I work that, if stretched *just
right*, makes a dandy gasket/cabinet protector for the common computer power
supply fans as typically found in the so-called "PS/2 style" PC supply. Best
part is, we throw them away, so I've got a good supply. I have one sitting
atop my Monterey 95 satelite RX, and it keeps the internals nice and cool.


73

-Jim

--
Ham Radio NU0C
TR7/RV7, TR6/RV6, T4XC/R4C, L4B, NCL2000, SB104A, R390A, GT550A/RV550A, HyGain 
3750, IBM PS/2 - all vintage, all the time!

HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/


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Re: [drakelist] Confessions of an Appliance Operator

[john]

john <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
An option I use is a DC wall wart with selectable secondary voltage, so 
that you can move the fan (on rubber feet) from rig to rig, and adjust the 
fan speed with the voltage on the wall wart. They're less than ten 
bucks.  9V on a 12v fan is a happy medium.


John K5MO


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Re: [drakelist] Confessions of an Appliance Operator

[theducks]

Hunter

I agree with the guys on a separate switch for the fans.? I use fans on all my 
Drake and Collins gear.? Over the finals I suck the air out of the finals.? 
Also I put the small cork or felt stick-on pads under the fan.? My fans are 
under 8 watts...when you get above that then you will begin to get the ones 
that make "blower noise"

Dale W7GMY

-Original Message-
From: Bob W7AVK <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Sun, 23 Dec 2007 12:29 pm
Subject: Re: [drakelist] Confessions of an Appliance Operator



Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang?
--?
Hunter - Not a guru on the subject, but if they are 120 volt already why not 
just make up a line cord for them and plug the cord into a computer strip with 
a switch along with the radios. This would control the fans and also the radios 
which would save the snap action power switch on the radio, which some day will 
go bad.?
?
Its easy to later remove the fans and their line cord leaving not a trace. Also 
since the fans are separate you could experiment with various ways reducing 
their noise by slowing them down, if that is concern. Or maybe a thermostat 
snap action on/off switch for them.?
?
Good luck and enjoy. A good way to learn?
?
Merry Christmas and Best DX?
?
73 Bob W7AVK?
?
Hunter Ellington wrote:?
> My technical skills are limited, but I am trying. I have two Radio > Shack 
> 115VAC cooling fans that I would like to mount (without > modification) on my 
> R-4C, and my T-4XC. The question is, where is the > best location to tap into 
> the 115V line power source? If this has been > covered, will someone direct 
> me to the archive article? Thanks to all > and 73. Merry Christmas. WB9NJB. > 
> > > > > R. Hunter Ellington, Esq.?
> Shareholder?
> > *Gorrell** **Giles** PC?
> *1331 Seventeenth Street, Suite 1000?
> Denver, Colorado 80202?
> (303) 996-6585 Direct?
> (303) 996-2680 Fax?
> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>?
> > > > > ?
> > No virus found in this incoming message.?
> Checked by AVG Free Edition. > Version: 7.5.516 / Virus Database: 
> 269.17.6/1193 - Release Date: 12/22/2007 2:02 PM?
?
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Re: [drakelist] Confessions of an Appliance Operator

[Gypsymt34]

[EMAIL PROTECTED] 
(mailto:[EMAIL PROTECTED])   writes:

cooling  fans 
Forgot to mention.  Have a neoprene foot pad/rubber in each corner and  just 
lay  up on the top of the PA cage or on the rt center ish of the  R4.  In that 
manner you can use or not.   Suck the air out, and  the last comment is per 
the majority.
Carl



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Re: [drakelist] Confessions of an Appliance Operator

[Gypsymt34]

 
[EMAIL PROTECTED] writes:

I have  two Radio Shack 115VAC cooling fans that I would like to mount 
(without  modification) on my R-4C, and my T-4XC


Hi,perhaps
Think about running them on a line cord that goes x ft away.   Have a outlet 
(or two) in box with a switch in switch out of circuit  NON-electrolytic 
cap...that will slow the fan down nicely.  If you need  more flow hit the 
switch.  
I plug that box into a power strip.  I used  1.0 MFD @ 400 cause that's what I 
had in the bin.
Carl Hibbard  WD8NHK



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Re: [drakelist] Confessions of an Appliance Operator

[Jim Shorney]

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
On Sun, 23 Dec 2007 10:08:59 -0700, Hunter Ellington wrote:

>My technical skills are limited, but I am trying.  I have two Radio
>Shack 115VAC cooling fans that I would like to mount (without
>modification) on my R-4C, and my T-4XC.  The question is, where is the
>best location to tap into the 115V line power source?  If this has been
>covered, will someone direct me to the archive article?  

I prefer 12v "computer" fans. I have one mounted on the back of the T4XC
pulling air OUT with small hardware in existing holes, as has already been
described. A half-wave rectifier off the filament supply with a small filter
cap, and wires fed out through existing holes power it. The plan for the R4C
is similar, but I haven't gotten a round tuit.

Use a good quality fan; I prefer the Panasonic Panaflo line, they are
reasonably quiet and have excellent life. At the very least, use a ball
bearing fan - avoid the cheap Asian sleeve bearing fans.



-- 
Jim Shorney  -->.<--Put complaints in this box
jshorney (at) inebraska.com
Ham Radio NU0C
Lincoln, NE, USA
EN10ps
http://incolor.inetnebr.com/jshorney/


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Re: [drakelist] Confessions of an Appliance Operator

[EP Swynar]

"EP Swynar" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
On 23rd December, John wrote:

"...If you run the fans at full tilt, it'll sound like  a
 747 warming up..."

**

Hi John,

Your statement made me chuckle to myself, as I thought about the time a Ham
friend of mine came over for a visit here to my shack many years ago...

I fired-up the station for demo, & that meant turning the filaments of the
homebrewed kilowatt 813's on: a low "Rrumph" as the cooling fan
commenced spinning, and then a "Hummm Ker-CHUNK" as the step-start relay for
the B+ kicked in...

My friend laughed, & said aloud, "This is just like that old Tony Hancock
radio skit recording of 'The Radio Ham'!"

I had to agree, and started to laugh myself. It still brings a smile to my
face each & every time I fire things up down there...

~73~ Eddy VE3CUI - VE3XZ




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Re: [drakelist] Confessions of an Appliance Operator

[john]

john <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Better yet, get some 12 v versions, which are easier to slow down, and tap 
off the rig itself.  If you run the fans at full tilt, it'll sound like  a 
747 warming up...


John K5MO



At 12:29 PM 12/23/2007, you wrote:


Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Hunter - Not a guru on the subject, but if they are 120 volt already why 
not just make up a line cord for them and plug the cord into a computer 
strip with a switch along with the radios.  This would control the fans 
and also the radios which would save the snap action power switch on the 
radio, which some day will go bad.


Its easy to later remove the fans and their line cord leaving not a 
trace.  Also since the fans are separate you could experiment with various 
ways reducing their noise by slowing them down, if that is concern.  Or 
maybe a thermostat snap action on/off switch for them.


Good luck and enjoy.  A good way to learn

Merry Christmas and Best DX

73  Bob  W7AVK

Hunter Ellington wrote:
My technical skills are limited, but I am trying.  I have two Radio Shack 
115VAC cooling fans that I would like to mount (without modification) on 
my R-4C, and my T-4XC.  The question is, where is the best location to 
tap into the 115V line power source?  If this has been covered, will 
someone direct me to the archive article?  Thanks to all and 73.  Merry 
Christmas.  WB9NJB.




R. Hunter Ellington, Esq.
Shareholder
*Gorrell**  **Giles** PC
*1331 Seventeenth Street, Suite 1000
Denver, Colorado 80202
(303) 996-6585 Direct
(303) 996-2680 Fax
[EMAIL PROTECTED] 


No virus found in this incoming message.
Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 
269.17.6/1193 - Release Date: 12/22/2007 2:02 PM


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Re: [drakelist] Confessions of an Appliance Operator

[Bob W7AVK]

Bob W7AVK <[EMAIL PROTECTED]> made an utterance to the drakelist gang
--
Hunter - Not a guru on the subject, but if they are 120 volt already why 
not just make up a line cord for them and plug the cord into a computer 
strip with a switch along with the radios.  This would control the fans 
and also the radios which would save the snap action power switch on the 
radio, which some day will go bad.


Its easy to later remove the fans and their line cord leaving not a 
trace.  Also since the fans are separate you could experiment with 
various ways reducing their noise by slowing them down, if that is 
concern.  Or maybe a thermostat snap action on/off switch for them.


Good luck and enjoy.  A good way to learn

Merry Christmas and Best DX

73  Bob  W7AVK

Hunter Ellington wrote:
My technical skills are limited, but I am trying.  I have two Radio 
Shack 115VAC cooling fans that I would like to mount (without 
modification) on my R-4C, and my T-4XC.  The question is, where is the 
best location to tap into the 115V line power source?  If this has been 
covered, will someone direct me to the archive article?  Thanks to all 
and 73.  Merry Christmas.  WB9NJB.  
 
 
 


R. Hunter Ellington, Esq.
Shareholder

*Gorrell**  **Giles** PC
*1331 Seventeenth Street, Suite 1000
Denver, Colorado 80202
(303) 996-6585 Direct
(303) 996-2680 Fax
[EMAIL PROTECTED] 

 





No virus found in this incoming message.
Checked by AVG Free Edition. 
Version: 7.5.516 / Virus Database: 269.17.6/1193 - Release Date: 12/22/2007 2:02 PM


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Re: [drakelist] Confessions of an Appliance Operator

[K9SQG]

[EMAIL PROTECTED] made an utterance to the drakelist gang
--
They can be mounted on the rear or top to EXTRACT the excess heat.  But if 
you prefer more drift in the PTO you can blow air into the final compartment.  
Placing a thin felt "dot" under each corner prevents discoloration of the 
cabinet for the most part.  Attachment to the rear can be done by the use of 
magnet assemblies or using long, 2-56 stainless steel bolts, washers, and nylon 
insert nuts; they can be removed when needed.  As to tapping on to 110vac, I'd 
recommend a seperate cord/switch.  Enjoy those Drakes.

73,

Evan**See AOL's top rated recipes 
(http://food.aol.com/top-rated-recipes?NCID=aoltop000304)

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