[Collins] 51S-1...dial drag or no?

David Knepper cra at floodcity.net
Tue Jul 13 11:52:48 EDT 2004


You still remain one of the better authorities on Collins and I concur with
your conclusions on the weighted knob.

Please keep us in mind when you speak to others on Collins.  The CRA and
Advanced Optics Limited stand ready to assist any Collins owner.

All my best.

Dave, W3ST
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com
----- Original Message -----
From: "Herschel McCullough" <w5mc at austin.rr.com>
To: "David Knepper" <cra at floodcity.net>
Cc: <collins at mailman.qth.net>
Sent: Tuesday, July 13, 2004 11:39 AM
Subject: Re: [Collins] 51S-1...dial drag or no?


> Indeed I have reviewed the Optic site .. and they have been commended on
> their efforts..  But to the root issue of this, there is no difference in
> application for an original factory weighted knob, it will simply work on
> any of the S-line equipment pieces, including the 51s-1..  at one time I
had
> quite a few weight kits and these required the removal of the plastic
skirt
> away from the main body [ this is all related only to finger hole style
> tuning knobs ] as the weight was made, it's center was relieved and by
> design would work on either the s-line pieces, or the 51s-1, where the
> problem is the housing that protrudes beyond the front panel, unlike the
> sline pieces , where only the shaft extends out past the normal
escutcheon..
>
> Apparently the photo that is shown in the Optic web site is then still
their
> early first design, because from appearance the center area does not show
to
> be relieved, where in their revision they have included a center area
large
> enough to accommodate the bearing housing used by the 51s-1..
> But to summarize, I maintain that factory fingerhole knobs, had no
> limitations or restrictions for applicability between any s-line piece..
> but I have certainly enjoyed the discussion, and as usual go away with a
bit
> more insight into these sets and what all we can look forward to, to keep
> them going for the foreseeable future,  if we don't promote competent high
> quality outside reproduction sources, the bright future for these sets
looks
> dim..  for radios that range from 44 to 29 years since being produced, we
> seem to be doing good  ..
> thanx  mac/mc
>
>
> ----- Original Message -----
> From: "David Knepper" <cra at floodcity.net>
> To: "Herschel McCullough" <w5mc at austin.rr.com>
> Sent: Monday, July 12, 2004 12:25 PM
> Subject: Re: [Collins] 51S-1...dial drag or no?
>
>
> > As I have trusted you in the past, so to, should you trust me.
> >
> > Go to http://www.advanced-optics.com/collins.htm and then scan down
until
> > you see the knob.  Advanced Optics on their second batch engineered the
> knob
> > to fit both the 51S-1 and KWM-2 after it was pointed out to us by
someone
> > who bought the earlier knob for his 51S-1.
> >
> >
> > Dave, W3ST
> > Publisher of the Collins Journal
> > Secretary to the Collins Radio Association
> > www.collinsra.com
> > ----- Original Message -----
> > From: "Herschel McCullough" <w5mc at austin.rr.com>
> > To: "David Knepper" <cra at floodcity.net>
> > Cc: "Collins Mail List" <collins at mailman.qth.net>
> > Sent: Monday, July 12, 2004 2:31 PM
> > Subject: Re: [Collins] 51S-1...dial drag or no?
> >
> >
> > > But I still haven't been referred to or shown where the real
differences
> > > exist if any between the two knobs.. being from Texas I would like to
> see
> > > the difference [ opps , that is Missouri ] you a referring to please..
> I
> > > don't have a problem with aftermarket knobs being machined.. im just
not
> > > sure there was ever a application difference.. thanx  mac/mc
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "David Knepper" <cra at floodcity.net>
> > > To: "Herschel McCullough" <w5mc at austin.rr.com>
> > > Cc: "Collins Mail List" <collins at mailman.qth.net>
> > > Sent: Monday, July 12, 2004 9:59 AM
> > > Subject: Re: [Collins] 51S-1...dial drag or no?
> > >
> > >
> > > > Mac, several months ago, the CRA was promoting the weighted spinner
> knob
> > > as
> > > > "one fits all."  We were wrong.  Careful examination showed that the
> > 51S-1
> > > > mounting hub did not allow the "standard" weighted spinner knob from
a
> > > > KWM-2, for example, retrofit ont he 51S-1.  Therefore, Advanced
Optics
> > > Ltd.
> > > > machined their knob to fit the 51S-1 and the KWM-2.  One knob fits
> both
> > > > models.
> > > >
> > > > Incidentally, this weighted spinner knob, which has been sold
> > extensively
> > > to
> > > > Collins owners, does not contain buckshot but rather is a one piece
> > > machined
> > > > knob.
> > > >
> > > > Try one  - you will find that it is an excellent Collins
reproduction.
> > > >
> > > >
> > > > Dave, W3ST
> > > > Publisher of the Collins Journal
> > > > Secretary to the Collins Radio Association
> > > > www.collinsra.com
> > > > ----- Original Message -----
> > > > From: "Herschel McCullough" <w5mc at austin.rr.com>
> > > > To: "David Knepper" <cra at floodcity.net>; <n6kyr at netzero.net>;
> > > > <collins at mailman.qth.net>
> > > > Sent: Monday, July 12, 2004 10:55 AM
> > > > Subject: Re: [Collins] 51S-1...dial drag or no?
> > > >
> > > >
> > > > > Leader :  minion Mac here,  Dave  I don't believe their is a lick
of
> > > > > difference here, I maintain there is no difference between the two
> > sets
> > > > > knobs if they are weighted, that indeed a 51s-1 knob will be form
> fit
> > > and
> > > > > function exactly the same for a KWM-2 as the 51s-1..  and that no
> > > > > differences exist with inner hub designs..  now to quantify my
> > > statement's
> > > > > of above.. we are addressing only FACTORY knobs...  Not !!
> > aftermarket
> > > > > retro filled with Shotgun weight lead or other fillers..  I stand
> > ready
> > > to
> > > > > learn something here ,if i'm wrong, but right now I got my dough
on
> > Mr.
> > > > Mac
> > > > > using black out of chute number 4 ..  mac/mc
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "David Knepper" <cra at floodcity.net>
> > > > > To: "Herschel McCullough" <w5mc at austin.rr.com>;
<n6kyr at netzero.net>;
> > > > > <collins at mailman.qth.net>
> > > > > Sent: Monday, July 12, 2004 3:55 AM
> > > > > Subject: Re: [Collins] 51S-1...dial drag or no?
> > > > >
> > > > >
> > > > > > The weighted knob on a 51S-1 will fit a KWM-2 but a weighted
knob
> > for
> > > > the
> > > > > > KWM-2 will not fit the 51S-1.  The knobs are quite different in
> > terms
> > > of
> > > > > the
> > > > > > inner hub design.
> > > > > >
> > > > > > You can purchase the dial lock assembly from FR Radio in Japan.
> > > > > >
> > > > > > Advanced Optics Ltd. through the CRA does have the weighted knob
> for
> > > the
> > > > > > 51S-1 that will fit on the S-Line and KWM-2., if interested.
> > > > > >
> > > > > > Thank you
> > > > > >
> > > > > > Dave, W3ST
> > > > > > Publisher of the Collins Journal
> > > > > > Secretary to the Collins Radio Association
> > > > > > www.collinsra.com
> > > > > > ----- Original Message -----
> > > > > > From: "Herschel McCullough" <w5mc at austin.rr.com>
> > > > > > To: <n6kyr at netzero.net>; <collins at mailman.qth.net>
> > > > > > Sent: Monday, July 12, 2004 12:37 AM
> > > > > > Subject: Re: [Collins] 51S-1...dial drag or no?
> > > > > >
> > > > > >
> > > > > > > I omitted. the WEIGHTED knob was always a standard feature for
> the
> > > > > 51s-1..
> > > > > > > due to the Veeder Root counter and the fact that it's PTO was
> > > turning
> > > > a
> > > > > > full
> > > > > > > Mhz as well as the small gear box with the counter, thus the
> > > > convential
> > > > > > non
> > > > > > > weighted knob just didn't have the HEFT that the 51s-1 needed.
> so
> > > the
> > > > > > > engineers made the finger hole knob and didn't attach the
> regular
> > > > > plastic
> > > > > > > skirt, but instead used a chunk of machined brass in place of
> the
> > > > > plastic
> > > > > > > skirt, but yet retained the exact same outward appearance..
> mac/mc
> > > > > > >
> > > > > > >
> > > > > > > ----- Original Message -----
> > > > > > > From: <n6kyr at netzero.net>
> > > > > > > To: <collins at mailman.qth.net>
> > > > > > > Sent: Sunday, July 11, 2004 10:05 PM
> > > > > > > Subject: [Collins] 51S-1...dial drag or no?
> > > > > > >
> > > > > > >
> > > > > > > >
> > > > > > > > All:
> > > > > > > > A few weeks ago, I posted a want for a dial drag lever for
my
> > > 51S-1.
> > > > > > > However, I recently received a piece of Collins 51S-1
propaganda
> > > that
> > > > > > showed
> > > > > > > an early 51S1 sans dial drag. It so happens that I think my
> 51S-1
> > is
> > > > an
> > > > > > > early  version (#277) and has NO dial drag.
> > > > > > > >
> > > > > > > > Question: who hasn't a dial drag on their 'S1? Thanks. Cal,
> > N6KYR.
> > > > > > > >
> > > > > > > >
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