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Rusty: I use an ACES dynamic balancer. I did
have some trouble with it at first balancing after installing the
PSRU. But I found out it was operator error.
Finally got a beautiful balance that was glass smooth. Then I added a
spinner that threw the thing out of balance again. Borrowed the
balancer once more - now it's smooooth again! I absolutely have to have
a dynamic balance everytime I change something because I have no shock
mounts. But once it's balanced, it's smoother than any Lycoming with
shock mounts.
I had previously balanced the ducted fan summer 2001, then didn't
change anything for 3.5 years, until last December.
I'm not familiar with the Chadwick unit, but it probably operates on
the same principle using a vibration sensor on the engine and an
optical sensor to pick up reflective tape on one prop blade. No reason
it shouldn't work.
Greetings,
There's an
A&P at my airport that does prop balancing, and he just did a
friends RV-7 this morning. When he was done, I asked him to do mine.
He hooked everything up, got an rpm reading, but when he tried to
actually take a measurement, it would only say "error". We tried it
several times, and it wouldn't work, so no balancing for me :-(
Has anyone had
their prop balance by the same folks that do Lycosaurs? Did the
instrument work for you?
Thanks,
Rusty
PS- Get your
engine balanced David, so you won't be wondering if that vibration is
the prop, or the engine. I sure wish I had balanced my engine, because
now I just don't know.
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