JabiruEngine-List Digest Archive
Mon 06/12/06 |
Total Messages Posted: 1 |
Today's Message Index:
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1. 10:44 PM - engine whine in 3300 engine (doncherie)
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Time: 10:44:48 PM PST US
From: "doncherie" <doncherie@slingshot.co.nz>
Subject: engine whine in 3300 engine
I have recently experienced a "whine" in the engine from 1200 RPM and
below.
The whine disappears at exactly 1200 rpm and reappears once throttling
back to that rpm.
We have taken the alternator out of the housing and checked for wear =
none visible.
Cowlings have been removed to check for vibration of the engine on the
cowls etc.Whine still persists!
Engine has been run without master switch on to check if electrical
noise exists.
The engine is 117 hrs old and has been regularly and meticulously
maintained.
Any suggestions?
Regards,
Don Boyd
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