Like Tree0Likes

Prop pitting

Reply

Old 05-05-2010, 07:35 PM
  #1
Registered
Thread Starter
 
Join Date: Feb 2005
Location: Tustin CA
My Boat: Hallett 270
Posts: 240
Default Prop pitting

What does it mean when you have pits on your prop blades?
DrewDown is offline  
Reply With Quote
Old 05-05-2010, 07:38 PM
  #2
Member #154
Platinum Member
 
Indy's Avatar
 
Join Date: Oct 2000
Location: SW CT & Long Island Sound
My Boat: Missing my PowerPlay
Posts: 6,885
Default

Pretty sure it is a result of cavitation. I seem to remember that microscopic low pressure bubbles form on the trailing edge of the prop eroding the metal. Hopefully some prop pros chime in here.
Indy is offline  
Reply With Quote
Old 05-06-2010, 04:54 AM
  #3
Registered
 
SeaDated's Avatar
 
Join Date: Mar 2001
Location: Kennesaw, GA, USA
My Boat: 2004 38 Fountain Lightning
Posts: 853
Default

Indy is correct!!
SeaDated is offline  
Reply With Quote
Old 05-06-2010, 10:19 PM
  #4
Registered
 
Join Date: Jan 2008
Location: Tierra Verde, Fl
Posts: 185
Default

Or electrolysis. You dock at a marina with big boats around lately?
us1kw is offline  
Reply With Quote
Old 05-06-2010, 10:28 PM
  #5
Registered
 
Join Date: Oct 2009
Location: central IL, St. Louis, & LOTO
Posts: 970
Default

Heavy cavitation. The little air bubbles around the prop "explode" and thats what causes the damage.
Plowtownmissile is offline  
Reply With Quote

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


OSO Sponsor
OSO Advertiser
OSO Advertiser
OSO Advertiser