Thud noise when trimming prop down under load

workkyle

Cadet
Thread starter
Joined
May 12, 2020
Messages
17
Ok another prop related question on my

2004 Chapparel 204 SSi 5.0 mercruiser​

If I take off from stop WOT with my prop trimmed up just a little and I trim it down into water while under this heavy load i can hear/feel a brief thud. This does not occur during trim operations on plane or at idle. It has occured with two different props so I suspect my trim actuators. I did measure the play of the prop movement in or out of lower foot at 1/32 inches
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,539
Ayuh,..... The in/ out movement is normal,.....

As for the clunk,.... Trim full down, before you slam the throttle,.....

'n donno why you posted twice, 2 hours apart, but I'll delete the duplicate,...
 
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