Had same experience and vaguely recall that the CS unit was reprogramed and
returned.
Was done here in states. Have also had wire break going to the prop motor
and it stayed at same rpm ..no problem to finish flight.
Ken carpenter. XS mono 914
Sent from my iPad
Ken Carpenter
> On Dec 29, 2014, at 2:01 PM, Rick Moss <Rkwmoss@gmail.com> wrote:
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> My 912S has an airmaster VP prop with warp drive blades and the airmaster
> constant
speed control unit. Both have around 100 hours on them.
>
> Today upon takeoff fly flydat alerted me to an engine over speed (moderate;
> never
exceeded 5900rpm). I slowed down a little and reduced power to keep the engine
within limits, and climbed to altitude to consider the issue. The CS unit
was non-responsive, however switching to manual enabled me to alter the pitch.
Has anybody experienced this? I assume that if all connections appear good,
I simply need to replace the CS unit?
>
> Rick
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> Read this topic online here:
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> http://forums.matronics.com/viewtopic.php?p=436408#436408
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