[Elecraft] KPA500 installation on side?

[Mark Goldberg]

My other option is to put it a few inches above a Xantrex Prosine inverter
/ charger. On the road it will be powered by that inverter anyway, so maybe
proximity is not a huge issue. I need to filter it anyway. They do have
quite a bit of filtering in there already, but I could hear the birdies
from the charger when it was running. It's a Sprinter based RV, not very
big, and under the rear seat is where I have room and it is close to the
antenna feed.

73,

Mark
W7MLG


On Sun, Jul 8, 2018 at 8:49 PM, Jack Brindle via Elecraft <
elecraft at mailman.qth.net> wrote:

> I know that there are feet are on the right side of the case, but if I
> were to place the KPA500 on its side, i think I would create a stand so
> that it can sit on the left side. Why?
> The big weight (power toroid) is on the left side, while the heat
> generators (the PA transistors) are on the right. The center of gravity
> would be lower, cables would be down low (especially the power cable), and
> the fans up high.
> The only heat generators on the left side are the power regulators (for +5
> and +12V). They don’t generate nearly as much heat as the PA. The down
> side? The carry handle is on the left. That’s why a short cradle would be
> needed to lift the case above the handle extension.
>
> Just opinion, not an official recommendation. Mine sits nicely on its
> bottom feet with the KAT500 on top. That allows me to cable the two very
> nicely using custom cables.
>
> 73,
> Jack, W6FB
>
> > On Jul 8, 2018, at 8:25 PM, Jeff Blaine <KeepWalking188 at ac0c.com> wrote:
> >
> > To clarify - by "side" i mean the side that you would call the left or
> right side of the case - that is what i'm considering to have down.  Not
> the face or back.  Just rotating the amp 90 deg.
> >
> > 73/jeff/ac0c
> > alpha-charlie-zero-charlie
> > www.ac0c.com
> >
> > On 08-Jul-18 6:22 PM, Dauer, Edward wrote:
> >> Oops.  My error.  I read KPA1500, not 500.  Wishful thinking on my part.
> >>
> >> Move to strike prior testimony.
> >>
> >> Ted , KN1CBR
> >>
> >>
> >>
> >> On 7/8/18, 5:16 PM, "Dauer, Edward" <edauer at law.du.edu> wrote:
> >>
> >>        Just last week I sent the same question to Elecraft Support.
> The answer I got was yes, it can be, with two caveats.  First, be sure to
> leave the 4 inches of free air clearance next to the top (top as in
> standard orientation), and don't set it so that the LEDs are on the floor.
> The orientation isn't odd, really.  If it is resting on its right side the
> power switch will be on the rear, but very near the top edge.  That's how
> mine will be, when it arrives this week --- I hope..
> >>          Ted, KN1CBR
> >>           ------------------------------
> >>                  Message: 9
> >>         Date: Sun, 8 Jul 2018 10:56:03 -0700
> >>         From: Mark Goldberg <marklgoldberg at gmail.com>
> >>         To: Elecraft Mailing List <elecraft at mailman.qth.net>
> >>         Subject: [Elecraft] KPA500 installation on side?
> >>         Message-ID:
> >>              <CAKn+a3tL_r6RnRod1BSk-ET=_+R1i=SRGJCL-61e7Bw8RvAdTQ at mail.
> gmail.com>
> >>         Content-Type: text/plain; charset="UTF-8"
> >>                  Can the KPA500 be installed on it's side? There are
> feet there. I want to
> >>         install it in an RV and there is more room for wiring and fan
> air movement
> >>         that way.
> >>                  A search did not turn up any answers.
> >>                  73,
> >>                  Mark
> >>         W7MLG
> >>
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