[MRCA] BC-224 vs BC-348

Thu Jun 1 15:48:02 EDT 2023

Solar doesn't make much noise.
Z

On 6/1/2023 10:48 AM, Doran Platt wrote:
> FWIW, in CAP we put small automotive mufflers on all the 1.5KW PE-108s 
> we got as new surplus. I am currently having a flange welded up so 
> that I can silence my mogas 10kw home generator. Noise is always an 
> issue. 3600 rpm types are worse. The 1800 types can be better and 
> certainly longer lasting.
> Jeep K3HVG
>> On 06/01/2023 10:33 AM EDT Ray Fantini <rafantini at salisbury.edu> wrote:
>>
>> For what it is the MEP-25 1.5 kW may be the loudest generators built. 
>> Fail to understand why they are so loud. Its not the exhaust or a 
>> muffler issue but something to do with them screaming along at thirty 
>> six hundred RPM, looked at a newer MEP-531 2 kW diesel unit at 
>> Hagerstown but upon trying discovered that it was loud too and had 
>> the added benefit of producing a cloud of black diesel smoke.
>>
>> Almost half the manual for the MEP-025/015 TM 5-6115-323-14 is on 
>> building a pit or revetment and lining it with sand bags to try to 
>> cut down on the noise.
>>
>> Ray F/KA3EKH
>>
>> *From:* MARK DORNEY <mkdorney at aol.com>
>> *Sent:* Thursday, June 1, 2023 9:59 AM
>> *To:* Ray Fantini <RAFANTINI at salisbury.edu>
>> *Cc:* Herb Mooney <herbert.mooney at gmail.com>; mrca at mailman.qth.net
>> *Subject:* Re: [MRCA] BC-224 vs BC-348
>>
>> In 10th Mountain, back in the 1980s we ditched the Vietnam era 1.5 KW 
>> generators pretty quickly for some far quieter civilian Honda 
>> generators to run most COMs at the Battalion TOC. Those Vietnam era 
>> gas generators were way too noisy. If those old generators were 
>> running, Hellen Keller could find you in the dark.
>>
>> I’m pretty sure the Army now has as standard issue generator that run 
>> very quietly.
>>
>> God bless General “Napalm Bill “ Carpenter.
>>
>> Mark D.
>>
>> WW2RDO
>>
>> “In matters of style, float with the current. In matters of 
>> Principle, stand like a rock. “.   -   Thomas Jefferson
>>
>> Sent from my iPhone
>>
>>
>>
>>     On Jun 1, 2023, at 9:44 AM, Ray Fantini <RAFANTINI at salisbury.edu>
>>     wrote:
>>
>>     The Andover V-32 APU is a thing of beauty! Big problem is finding
>>     them today. There is always one or two for sale on eBay but they
>>     are expensive. After WW2 they were so common that many were used
>>     as stick welders and abused that way. I have my Vietnam M-151A1
>>     MUTT with all its radios and the like and use a MEP-035 28 volt
>>     generator set with that. Will easily deliver fifty amps but has
>>     the disadvantage of being somewhat loud, I have a fifty foot
>>     power cable that runs between the generator and the MUTT so that
>>     helps some but the noise from the little field generator has been
>>     a source of friction between running nets and the like and the
>>     local people at some events.
>>
>>     MEP-035 sell from anywhere from $100 to $250 at Military Vehicle
>>     Shows and I have purchased the MEP-025 that’s the 120 Volts AC
>>     version not working for as low as $60 that only needed to have
>>     its field flashed to start working again. The 35 is a small two
>>     cylinder engine and maybe if you spray paint it black it can pass
>>     as a APU if you remove it from its cage.
>>
>>     Maybe you can find someone who will do a swap for the 224 being
>>     they are not that common, I got my 224 last year at the
>>     Hamvention. Someone was going to basically just give it to us at
>>     the MMRCG table just to see it get a good home, John Caldwell was
>>     supposed to get it but at the time he was out browsing the
>>     Hamvention and I was at the table so there you go, radio
>>     collecting can be a cut throat world at times! But it had already
>>     had the dyno removed so don’t think that would help you. Have
>>     seen many BC-348 receivers for sale at the event. They range in
>>     price from $20 to $250 usually and I have purchased both with and
>>     without dynos for very reasonable amounts but finding radios that
>>     still have the original dyno is still very rare.
>>
>>     Attached is a picture of the ARC-8 radio installation on a C-119
>>     “Flying Boxcar” disregard the gray radios at the end of the table
>>     being that this 119 was used to catch Agena  reentry payloads
>>      and the VHF radio would pick up the beacon transmitter on the
>>     payload and the scope allowed you to get an idea of where it was
>>     reentering from, but the ARC-8 installation is a very clean install.
>>
>>     Trivia: from 1960 to 1987 there were over 260 successful Agena
>>     flights with only around a dozen failures. The Agena D series or
>>     KH-4 satellites were one of the most successful series of
>>     satellites that no one knows about!
>>
>>     Ray F/KA3EKH
>>
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