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[ Question ] Old style rotor rpm
Location: Europe
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Tony stewart Online
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#1
04-17-2026, 01:43 PM
Hi does anyone one have a wiring diagram for the old style westack rotor rpm tach.thanks. or knows what wires go where on the back 5pins numbered 4,5,6,7,8.
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Location: Wasilla, Alaska
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Lyle Swallows Offline
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Services Offered: currently can do initial flight training in Alaska in an R22. aswell as any helicopter related maintenance in Alaska, not setup for travel work.
#2
04-17-2026, 05:17 PM
here you go, i also have the one for the new digital westach styled gauge.
[Image: IMG-1809.jpg]
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Location: Seguin, TX
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Tim Morris Offline
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#3
04-17-2026, 06:09 PM
(04-17-2026, 05:17 PM)Lyle Swallows Wrote: here you go, i also have the one for the new digital westach styled gauge.
[Image: IMG-1809.jpg]

Image doesn't open Lyle.
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Tony stewart Online
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#4
04-17-2026, 06:28 PM
Thankyou Lyle , the tach I have is not a dual tacho , but the single one . So do I just connect the same as the rotor pin numbers in the diagram. Or is the single tacho wired different.???
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