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Radio available (YAK-52)

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mark.bitterlich(at)navy.m
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Posted: Fri Jun 15, 2007 2:41 pm Post subject: Radio available (YAK-52)

YAK-52 owners: 



I don't run a parts business, so I hope posting this here will not

offend anyone.  Some time back I decided to see what it would take to

start fixing Russian radios.  Well... It has been an experience to say

the least.  Bottom line is that I have decided that it takes too much

time and effort for very little end gain, which is true of most Avionics

Shops unless they charge SUPER high labor rates.  The one reason I gave

it a shot is that these Russian Radios are not type certified, so

legally, I can work on them.  



That said, I purchased bad radios from everyone I could find, and made a

few good ones out of a lot of bad ones.  I have sold them all to happy

customers except for one very special radio that is super rare.  I held

on to that one, but am now ready to let it go.  



The typical Russian radio in a YAK-52 is a Balken-5 (excuse me

spelling).  This radio has 5-7 watts carrier output, with approx. 20

watts peak to peak with audio.  This is the normal output power of most

U.S. General Aviation radios.  On the other hand, commercial carrier

operators with heavy iron, (because of the attitudes they usually fly)

usually have rack mounted radios with 20 watts carrier, and 80 watts

peak to peak with audio.  This is the reason why when you and a airliner

talk at the same time, center or tower always hears THEM and not YOU!

They simply have four times more output power than you.  Roughly a 6 dBm

improvement. 



Anyway, I managed to get my hands on a Balken-20.  As you might have

guessed, this radio is a TWENTY watt carrier and EIGHTY watt peak to

peak with audio model.  It is EXACTLY the same shape and size as the -5

model.  It mounts in the same rack, it works exactly the same, and all

the internal parts are interchangeable with the -5 EXCEPT for the final

PA stage, and that will rarely if ever go bad unless you transmit into a

failed antenna.  This radio was never stock in a 52, but was used in

much larger aircraft.  Somehow one accidently got into a 52 and I

managed to realize what it actually was simply by accident. 



This radio WAS damaged, and has had the complete receiver board

replaced.  



A used but good -5 model radio at BEST PRICE sold for around $450 if you

could find one.  They are very hard to find these days.   Vladimir wants

$900 for one.  I am selling this -20 model for $700.  If you just fly

around the pattern and around town, this radio is really a poor

inventment unless you really want it as a spare.  If you do a lot of

cross country flying, and want a radio that will talk a LONG way limited

only by your line of sight altitute, then this radio is for you.  



Please contact me off list if you are interested. 



Mark.Bitterlich(at)navy.mil   work

markbitterlich(at)earthlink.net  home

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mark.bitterlich(at)navy.m
Guest

Posted: Fri Jun 15, 2007 5:07 pm Post subject: Radio available (YAK-52)

Thanks to all, as I expected, this went quickly.  



Mark



--

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