[R-390] Rack Mounted R-390A

Joe Foley redmenaced at yahoo.com
Tue Feb 7 19:54:53 EST 2006


Genie makes one, cable operated with a hand crank.  It
has wheels in the back and casters in front.

Just the thing, all aluminum, too.

No idea what the price is but I did see some at the
Rochester, NY hamfest last year.

Joe





--- Patrick <brookbank at triad.rr.com> wrote:

> My idea is levitation using a superconductor and a
> small magnet.......Pat
> ----- Original Message ----- 
> From: "Cecil Acuff" <chacuff at cableone.net>
> To: "Barry Hauser" <barry at hausernet.com>; "Tom
> Norris" 
> <r390a at bellsouth.net>; <r-390 at mailman.qth.net>
> Sent: Tuesday, February 07, 2006 11:15 AM
> Subject: Re: [R-390] Rack Mounted R-390A
> 
> 
> > I've considered designing a small roll around self
> contained hydraulic 
> > lift to assist in getting them from the floor to
> the bench....or maybe 
> > pneumatic...
> >
> > Would be a great help as one gets older and these
> radio's get heavier....
> >
> > Cecil...
> > ----- Original Message ----- 
> > From: "Barry Hauser" <barry at hausernet.com>
> > To: "Tom Norris" <r390a at bellsouth.net>;
> <r-390 at mailman.qth.net>
> > Sent: Monday, February 06, 2006 8:03 PM
> > Subject: Re: [R-390] Rack Mounted R-390A
> >
> >
> >> Hmmmmm....  a difference of opinion.... Some
> alternative solutions....
> >>
> >> 1.  Mount rails to the ceiling with movable
> hoist.  Recommend cutting 
> >> through the sheetrock or whatever to secure with
> 3/4" U-bolts around the 
> >> rafters.  Attach chains with padded hooks to
> front handles, move receiver 
> >> out of rack halfway and attach rear chains, etc. 
> Use suitable manual or 
> >> electric winch.
> >>
> >> 2.  A skyhook.
> >>
> >> 3.  Difficulty wrestling with R-390's?  Keep two
> extras -- unrestored 
> >> blue stripers --  for use in workouts.  When you
> build yourself up to the 
> >> point where you can hold two of 'em out
> straigh-arm for 10 minutes, 
> >> you're ready to rumble. (Whatever you do, do not
> read the fine print 
> >> warnings on your blood pressure meds.  Heck,
> those final words on the 
> >> commercials give me palpatations.)
> >>
> >> 4.  Remove all equipment from rack cabinet. 
> Place horizontal bar approx 
> >> 9 inches down from top crossways.  Use it to hang
> your coat.  Put '390's 
> >> on benches, desks, etc.
> >>
> >> 5.  Rackless rackmount -- Cut 6.5 foot X 18.5
> inch hole in interior wall. 
> >> Will be necessary to either (a) move 1 stud out
> 2.5 inches if 16" spacing 
> >> or (b) install additional stud if 24" spacing. 
> Stack up radios 
> >> thru-wall. May be flush mounted to save
> floorspace.  Make power & antenna 
> >> connections in adjoining room.  (Ignore
> complaints.)
> >>
> >> 6.  Report to kitchen.  Remove and dispose of
> microwave as per manual 
> >> instructions regarding prevention of enemy use
> (or put it in the living 
> >> room so you can save steps when warming up your
> pizza -- put it on top of 
> >> a small fridge for handy brewskies.)  Not
> efficient where it is anyway. 
> >> Place R-390(A) in place of microwave.  Or, leave
> the microwave where it 
> >> is and put the R-390 on top of the fridge.  If
> anyone asks, the decor is 
> >> "eclectic". Depending on your kitchen "motif",
> you may have to refinish 
> >> the front panel in natural brushed aluminum (to
> match the latest greatest 
> >> stainless steel look), gleaming white, or
> whatever.  Probably not much 
> >> concern about matching to avocado these days.
> >>
> >> I could go on ... or y'know what, just get the
> angle iron or angle 
> >> brackets, but I'll tell you this .. nobody has
> smashed a radio or gotten 
> >> smashed (well except for the brewskies), with my
> methods. heh heh.
> >>
> >> Barry
> >>
> >>
> >>
> >> ----- Original Message ----- 
> >> From: "Tom Norris" <r390a at bellsouth.net>
> >> To: <r-390 at mailman.qth.net>
> >> Sent: Monday, February 06, 2006 12:54 PM
> >> Subject: Re: [R-390] Rack Mounted R-390A
> >>
> >>
> >>> The reference is on page 5 of TM 11-5820-357-20
> manual in the 
> >>> installation section, it says --
> >>>
> >>> "Caution: When the receiver is installed in any
> cabinet other than 
> >>> described above, adequate ventilation must be
> provided. For mobile 
> >>> applications of the receiver in cabinets other
> than Cabinets, 
> >>> Electrical Equipment CY-979/URR and CY-1216/U,
> support must be  provided 
> >>> at the rear of the receiver, so that the front
> panel does  not carry the 
> >>> entire weight of the receiver."
> >>>
> >>> Similar info for the 390A is found in paragraph
> 6 section 6 of AFTO 
> >>> 31R1-2URR-422/TM 11-5820-358-20  (page 10 of feb
> '61 printing)
> >>>
> >>> But since folks argue with the manuals about
> things like solid state 
> >>> rectifiers being wrong, I guess they won't agree
> with this either.    If 
> >>> the shafts bind, it may be as simple as
> adjusting the front panel 
> >>> bushings.
> >>>
> >>> I'd rather use the angles that try to wrestle
> with an 85 pound radio  at 
> >>> shoulder height with one hand while removing
> screws with another  and 
> >>> keeping it from destroying what's below it in
> the rack with a  third 
> >>> hand. I've not sprouted that third hand though,
> no matter how  many 
> >>> vitamins I take, so I use the anglestock.  Slide
> it in, secure  the 
> >>> front.  No trying to support it while fastening
> it to the rack.
> >>>
> >>> Tom
> >>>
> >>> On Feb 6, 2006, at 8:53 AM, Todd, KA1KAQ wrote:
> >>>
> >>>> Hey Tom -
> >>>>
> >>>> Mounting by the front panel alone might work,
> but it can and does
> >>>> cause torque/flexing issues that can cause the
> PTO to bind up or
> >>>> become stiffer to tune. I have an old AF rack
> for these beasts with
> >>>> the angle 'shelf' pieces built right in and the
> correct intervals. It
> >>>> almost seems like there are references in some
> TM not to mount by
> >>>> panel alone with no rear support, but I can't
> recall.
> >>>>
> >>>> de Todd/'Boomer'  KA1KAQ
> >>>>
> >>>> On 2/5/06, Tom Norris <r390a at bellsouth.net>
> wrote:
> >>>>
> >>>>> Hank is correct, but it makes a whole heck of
> a lot easier to get in
> >>>>> and out of the rack if you put in those angle
> bits.  HP supplied
> >>>>> those sort of angle "shelves" in some of their
> larger equipment
> >>>>> system racks for just that reason. (I think it
> was HP...)
> >>>>>
> >>>>> Tom
> >>>>>
> >>>>>
> >>>>> On Feb 5, 2006, at 6:15 AM, Dan Arney wrote:
> >>>>>
> >>>>>
> >>>>>> 1000's of them have been mounted by the front
> panel only with no
> >>>>>> problems.
> >>>>>>
> >>>>>> Hank
> >>>>>> KN6DI
> >>>
> >>>
>
_____________________________________________________________
> 
=== message truncated ===


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