[R-390] R-390A mounting position

[Dennis L. Wade]

I can certainly understand the physics involved with 
running it at a 45 deg tilt.  

But, I've been considering a rack style console that 
would hold a '390A in the lowest (desktop level) 
position.  If the front panel were perpendicular to 
the desktop, one has to crouch a bit to view the panel 
straight on.  A slight tilt, no more that 20 deg I 
would guess, is plenty to bring it so the plane of the 
panel is directly facing the operator.

Does this much less severe angle pose any problems in 
anyones mind?

                             Dennis


--- Original Message ---
From: Bob Camp <ham@cq.nu>
To: "D. ball" <ke1mb@hotmail.com>
CC: R-390@mailman.qth.net
Subject: Re: [R-390] R-390A mounting position

>Hi
>
>Physically doing an inclined mount on a 390 may be 
harder than it=20
>looks. The radio really is not set up to hang by it's 
face plate. If=20
>you take a look at the "standard" cabinets they go to 
great lengths to=20=
>
>support the radio along the bottom edge of the frame. 
In order to keep=20=
>
>things right you would need to support both the back 
of the radio and=20
>the bottom of the radio. Not easy ....
>
>That of course assumes we are talking about a 45 
degree tip back. If=20
>you are tipping it 45 degrees forward then things are 
even more=20
>difficult.
>
>I have a couple of R-390's that I would not trust 
running at a 45=20
>degree angle. The springs on the slug racks do not 
have enough "pull"=20
>to keep everything running smoothly when the racks 
are at a significant=20=
>
>angle. They tend to hang up rather than follow the 
magic cams. You=20
>probably could re-spring the radio with stiffer 
springs but then the=20
>tuning knobs would be even harder to turn.  Since the 
radio stays at=20
>the tune point due to friction you could get things a 
bit crazy this=20
>way ....
>
>Bottom line - you would need a pretty good mount  
*and* a maybe one=20
>radio in four to make it work like a R-390 should.
>
>	Take Care!
>
>		Bob Camp
>		KB8TQ
>
>
>
>On Apr 20, 2004, at 7:47 AM, D. ball wrote:
>
>> I want to mount my 390 in a 45 degree position in a 
homemade rack box.=20=
>
>> Does anyone for see any problems? I use the radio 
nightly so it does=20=
>
>> get used.
>>
>> thanks
>>
>> joe
>>
>> 
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---------------
Dennis Wade
KG6ZI Carmichael, CA