[TowerTalk] Info on TIC earlier 1022D 1022E motor assembly pot
StellarCAT
rxdesign at ssvecnet.com
Sat Sep 1 19:57:34 EDT 2018
Ok ... so discovering this myself I’m posting it here so if someone else needs it and does a search they might find it here...
There are 270 teeth on this ring. The setup was down inside – in air conditioning.
Green Heron Control box RT21 set up for 24VDC.
The pot is 500ohm... centered on 250 ohms.
- the low side, -135 tooth count in one direction so 180° is 58ohms.
- the high side, +135 tooth count is 442 ohms.
That leaves roughly about 62° before ‘damage’ so a good bit of leeway assuming properly set up this way.
The GH is easy to calibrate in the house using a DC supply and an ohmmeter. Dead nuts on 000.1 when done at the center point.
Gary
K9RX
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