nuckolls.bob(at)aeroelect Guest
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Posted: Thu Feb 10, 2022 10:11 am Post subject: PWM ELEVATOR TRIM SERVO SPEED CONTROL |
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At 09:11 AM 2/10/2022, you wrote:
Quote: | --> AeroElectric-List message posted by: "user9253" <fransew(at)gmail.com>
Bob, thanks for the information. If I ever redesign my trim circuit, it will contain a LM317.
You asked about the RV-12 trim circuit. Attached is a schematic of the original trim circuit.
Van's has completely changed it in later models. But they still use PWM. |
PWM is much better than a simple series resistor but
still far short of optimal performance possible
with fewer components.
Bob . . .
Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"
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