[MRCA] Field Day Ops and G-76 Generator

[Tim]

Hi Breck - Great idea for the Genny and also the dual-use of your field
expedient toilet seat!  ;o)

I will be up in the Sierras for 4 days this weekend doing radio ops and
some Field Day contacts.  GRC-109 and TRC-77, primarily on 7050 and 3550
during non-contest hours.  Running these sets solar/battery powered at a
remote spot 40 miles north of Yosemite.  7550 feet AMSL and still some snow
to keep the drinks cold.....
My buddy will also be running a PRC-174 and a GRR-5 plus we will be running
a VRC-70 with a GRA-6 RWI setup between camp sites.  51.0 if anyone can get
in there on 6 meters.   Should be fun..
Have a great time! Tim
DE N6CC

On Thu, Jun 23, 2016 at 7:29 AM, B. Smith <smithab11 at comcast.net> wrote:

>       This week end  has an excellent wx forecast and temps in the low
> 80's so I will again deploy for the annual ARRL Field Day Operations mainly
> on 80 and 40 CW. Call sign used will be K4CHE/3   -     I have to use slant
> 3 because no one can figure out what DE means when I send the ARRL section.
>   :-(   The plan is to go all "natural power" but without batteries. So
> it will be strictly solar and "cranked" generator power.
>
>      The plan is to evaluate  several items one of which  is using 300 ohm
> twin lead for feeding my antenna instead of the larger open wire line. Al
> N3FRQ made me a gift of a reel of this wire several years ago but I have
> experienced  matching problems in the past but will try a different balun
> this year.  I also will evaluate the   "hand cranked" G-76 generator which
> I have converted  to "foot pedal" operation.    Photo attached.  The
> problem that now presents its self is  pedaling and keying CW at the same
> time but I used to fly jets so I should be able to figure it out.   :-)
> But I have to keep in mind that my  ops with a straight key is marginal
> anyway as anyone on the Sunday night MRCA CW net can attest but we hope to
> make several contacts. During receive  if I get tired of pedaling I will
> use a smaller British Clansman set.
>
>      The G-76 was designed for 24-30 volt ops and mainly to power
> equipment such as a PRC-70 or charge a ni-cad battery. By slow cranking  we
> can generate  an output in the 20 volt range but I still have to drop the
> voltages for my 12-14 volt low power equipment such as the SGC-715 and
> TRC-77. I hate to waste the power with a low voltage regulator but have not
> come up with a better idea. Perhaps someone has a suggestion. I all ready
> have the regulator LM317 chassis built  as I utilized  the same assembly
> for the solar panels in the past. In front of the regulator I have a couple
> of very large capacitors to smooth things out.
> Any suggestions?
>              Z
>
>
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