Watch out for high voltage! If the visual meter is at high-voltage, you need to isolate the meter-reader's case from ground.
----- Original Message -----
From: Ed Malmgren <[log in to unmask]>
To: [log in to unmask]
Date: Saturday, Dec 10, 2011 12:32:12
Subject: Re: Re-Drake twins
>
>
> The meter reader that I use for my rotor meter I built back in the 60s I
> could read four meters and one was across the Drake T 4 X C. I mounted a
> quarter inch jack on the rear panel and ran wires to the meter which worked
> well. It was the one in the B T P. Good luck and 73
> Ed K7UC
>
> --------------------------------------------------
> From: "Steve" <[log in to unmask]>
> Sent: Saturday, December 10, 2011 12:02 PM
> To: <[log in to unmask]>
> Subject: Re: Re-Drake twins
>
> > Typically, on a tube rig, you dip the plate tuning control and this should
> > show up on the TW1 as an increase in power. Then, slightly increase the
> > plate loading control.
> >
> > If someone could build a meter reader that you could hook up to the meter
> > on
> > the Tx4 you could tell more accurately, as you would see the dip in
> > current
> > as you tune the plate tuning knob.
> >
> > There are various meter reading circuits. I think I have one here if you
> > need it.
> >
> >
> > ----- Original Message -----
> > From: "Doug Payne" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Friday, December 09, 2011 5:47 PM
> > Subject: Re: Re-Drake twins
> >
> >
> >> Thanks, Howard. I have a TW-1. I was asking how you tune the transmitter?
> >> Dip the plate....etc.
> >>
> >> -----Original Message-----
> >> From: For blind ham radio operators
> >> [mailto:[log in to unmask]]
> >> On Behalf Of Howard, W A 9 Y B W
> >> Sent: Friday, December 09, 2011 2:24 PM
> >> To: [log in to unmask]
> >> Subject: Re: Re-Drake twins
> >>
> >> Hi Doug,
> >>
> >> Yes, the TW-1 should work although I have not used one for that purpose
> >> yet.
> >>
> >> When I used my Drake twins some 20 years ago, I had enough eyesight to
> >> read
> >> the controls and meters.
> >>
> >> There is another device, recently developed, mentioned on this list a few
> >> weeks ago that would serve as a tuning aid also. I believe it cost
> >> around
> >> $90, this will be your only choice as the TW-1 is no longer made,
> >> however,
> >> you may be able to find one used.
> >>
> >> 73's
> >>
> >> Howard #3, W A 9 Y B W
> >>
> >>
> >> ----- Original Message -----
> >> From: "Doug Payne" <[log in to unmask]>
> >> To: <[log in to unmask]>
> >> Sent: Friday, December 09, 2011 11:26 AM
> >> Subject: Re: Re-Drake twins
> >>
> >>
> >>>I haven't used a C-line since operating field day with my local club back
> >>>in
> >>> Dayton in the late 80's. My roommate and several of his friends worked
> >>> for
> >>> R. L. Drake. What fun!
> >>>
> >>> As a blind person, how do you tune the transmitter? Does the TW-1 help?
> >>>
> >>> Sorry, I've not used tube gear much at all.
> >>>
> >>> --Doug, AC7T
> >>>
> >>> -----Original Message-----
> >>> From: For blind ham radio operators
> >>> [mailto:[log in to unmask]]
> >>> On Behalf Of Howard, W A 9 Y B W
> >>> Sent: Friday, December 09, 2011 8:14 AM
> >>> To: [log in to unmask]
> >>> Subject: Re: Re-Drake twins
> >>>
> >>> Hi all,
> >>>
> >>> I have a pair of Drakes, the T-4XB and the R-4B. I don't have them on
> >>> the
> >>> air yet, however it will be soon.
> >>>
> >>> As I mentioned in earlier posts, I have been off the air for 20 years
> >>> plus.
> >>> I had the Drakes on the air back then.
> >>>
> >>> Personally, I think the "B" line were the best twins. The "C" line
> >>> receiver
> >>> had more filter options, however, I think it was a cheapened version
> >>> that
> >>> required you to spend money for features.
> >>>
> >>> Mike, there are four cables that connect between the transmitter and
> >>> receiver and one of them is a special cable that has a 52 ohm impedance
> >>> and
> >>> must be used for the injection connection. These cables are marked with
> >>> a
> >>> little label wrapped around the cable where the wire enters the molded
> >>> plug. The injection cable also has an additional paper tag on the cable
> >>> warning you to use this special cable in its proper place. The rest of
> >>> the
> >>> cables are all the same. These cables are still available in the after
> >>> market.
> >>>
> >>> Pat is correct, if you want to operate AM for example you would have to
> >>> set
> >>> the receiver to AM along with the transmitter. It sounds complicated,
> >>> however, it is easy.
> >>>
> >>> If these radios are in good shape go for it.
> >>>
> >>> There are people who can service these radios.
> >>>
> >>> I love my Drakes and won't part with them.
> >>>
> >>> You will love the audio sound from this receiver. I am referring to the
> >>> "B"
> >>>
> >>> receiver, I don't know about the "C" version.
> >>>
> >>> 73's
> >>>
> >>> Howard #3, W A 9 Y B W
> >>>
> >>>
> >>>
> >>> ----- Original Message -----
> >>> From: "Michael Ryan" <[log in to unmask]>
> >>> To: <[log in to unmask]>
> >>> Sent: Friday, December 09, 2011 8:35 AM
> >>> Subject: Re-Drake twins
> >>>
> >>>
> >>>> Hi Curt and all:
> >>>>
> >>>> When changing modes on twins, did you change on both the transmitter
> >>>> and
> >>>> the receiver or did it depend on if either if the transmitter had
> >>>> control
> >>>> or if the receiver had control? Would I have to use two separate
> >>>> antennas?
> >>>>
> >>>> 73:
> >>>> Michael
> >>>>
> >>>> Sent from my iPhone
|
