F3WT [EMAIL PROTECTED] made an utterence to the drakelist gang
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Hi Garey:
I find this exchanges very very interesting also for a TR4!
Now I wonder abt the following:
I run only CW and would like to bias for class C
Garey,
I feel that I've got a good handle on this radio, and thank you for your support. Once I get a 3.3 ohm resistor in there, however, and assuming the meter series resistor no longer sets up an accurate 100 ma reading, is there a way to calculate the proper resistance, or is it just easier to
Garey Barrell [EMAIL PROTECTED] made an utterence to the drakelist gang
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Pierre -
This has been suggested before. There is a single reason to DO it, and
several to NOT do it.
The reason to DO it (start optimistically, right?)
Garey,
Yes, it is a T-4XC.
Eric
Garey Barrell [EMAIL PROTECTED] wrote:
Eric -A pot is easier, then put in the nearest standard value. You can use 5% carbon film resistors which are usually MUCH more accurate than that, selecting one from a group if available and necessary. Again, the meter is
Garey,
Several weeks ago when I discovered the play in one of the bandswitch wafers, I set the wafer where it should be and used adhesive on the inner wafer and shaft. It appears to work very well, and with no binding. I wouldn't recommend that for all the wafers, but just one seemed ok.
Garey Barrell [EMAIL PROTECTED] made an utterence to the drakelist gang
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Eric Webner wrote:
Garey,
Several weeks ago when I discovered the play in one of the bandswitch
wafers, I set the wafer where it should be and used
Garey Barrell [EMAIL PROTECTED] made an utterence to the drakelist gang
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Eric -
There isn't a good way to correct the wafer play once it occurs,
short of wafer replacement. I have seen some with very thin Teflon?
tape wrapped
Hi Joe,
Have you made any progress on your radio? I didn't see any responses on drakelist.
It seems the crystals are ok, so it must be a wire or more probably, a switch contact. The wafer switches on these radios seem to corrode a bit, with the metal parts turning black. You might be able to
Garey Barrell [EMAIL PROTECTED] made an utterence to the drakelist gang
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Most switching problems in Drake gear are a result of wafer misalignment
or wafer center hole wear. Making sure the switch assembly hardware is
tight
Garey et al,
I appreciate your comments. Perhaps I did a little too much work on my T-4XC.
I just finished restoring my transmitter, and during my work I found a few problems with wafer misalignment and too much "play" on certain wafers. Can you comment on the best ways to correct these
Joe Roth [EMAIL PROTECTED] made an utterence to the drakelist gang
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I've added a lot of xtals to my R4C. I began to use position 11 which is now
in the 3 (bottom most) row. The entire row for positions 11-15 will not
work. The
11 matches
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