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Old 11-09-2018, 06:01 AM
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rocketbob rocketbob is offline
 
Join Date: Jun 2006
Location: 8I3
Posts: 3,424
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Crank seal will sometimes whine as it starts to go bad. Noise will change with RPM. More like a faint squeal.
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Bob Japundza CFI A&PIA
N673AC RV-7 borrowed horse
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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