[GreenKeys] M28 ROTR magnet wiring?

W2HX w2hx at w2hx.com
Sun Dec 11 16:55:00 EST 2022


Ok so just triple checking… I numbered the connections…

The loop should be fed into #2 and #4 below.
I then connect #2 and #3
I then connect #1 and #4

Is this correct? Or should I feed #1 and #2, then connect #1 and #3 and #2 and #4?

[cid:image001.png at 01D90D81.4DCE5390]




73 Eugene W2HX
Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos

From: Nick England <navy.radio at gmail.com>
Sent: Sunday, December 11, 2022 4:31 PM
To: W2HX <w2hx at w2hx.com>
Cc: Greenkeys <greenkeys at mailman.qth.net>
Subject: Re: [GreenKeys] M28 ROTR magnet wiring?

Yes that is correct. It makes a magnetic circuit by N>S>armature>N>S

On Sun, Dec 11, 2022 at 3:51 PM W2HX <w2hx at w2hx.com<mailto:w2hx at w2hx.com>> wrote:
Hi there. I am wiring up the magnets for a M28 ROTR. It is my understanding that for 60mA loop, these should be wired in parallel. First, just a confirmation of this. Then, is the polarity of the wiring important? I would normally think “yes” as I could imagine one pulling and one pushing if not wired properly.  However, the unit came to me with two wires between the two coils. One connecting the “inside” connections and one connecting the “outside” connections. See pix. Yes, one of the spades broke off. I am repairing that today but wanted to check with you all on the proper wiring.

https://w2hx.com/x/TTY/28-ROTR/20221211_153645.jpg
https://w2hx.com/x/TTY/28-ROTR/20221211_153628.jpg

Can anyone who operates an ROTR confirm how they have their magnets wired? Thank you!


73 Eugene W2HX
Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos


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