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Go Back   SailNet Community > On Board > Gear & Maintenance > MaxProp or Autoprop?
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Thread: MaxProp or Autoprop? Reply to Thread
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Topic Review (Newest First)
02-07-2011 05:12 PM
Fstbttms
Quote:
Originally Posted by overbored View Post
If a blade can off and it did not damage any part of the hub then the only thing it could be is human error.
The human error is in the design of Autoprop. These things have a long history of losing blades.
02-07-2011 12:48 PM
jrd22 Overbored- my thoughts also.
02-07-2011 11:41 AM
overbored If a blade can off and it did not damage any part of the hub then the only thing it could be is human error. the nut was not tight and the lock ring was not set when the prop was rebuilt. what the rebuilder says he does not know why only one of three blades came off and yet the threads on the shaft are ok?
02-07-2011 10:39 AM
sailingdog One minor difference, you don't generally join a forum to hammer away on a specific vendor. ALL OF HIS POSTS are on this one topic, where yours tend to cover a bit wider a cross-section of sailing subjects.
Quote:
Originally Posted by Jeff_H View Post
Guys,

While I understand the basis of your comments, I don't think that it is unsual for someone to post the same message to a number of threads and forums when that person believes that the point is relevant to the discussion at hand. I know I have posted the same post with my concerns about the motion comfort index, and capsize screen formula on a bunch of different forums and discussion.

Respectfully,
Jeff
02-07-2011 10:35 AM
Jeff_H Guys,

While I understand the basis of your comments, I don't think that it is unsual for someone to post the same message to a number of threads and forums when that person believes that the point is relevant to the discussion at hand. I know I have posted the same post with my concerns about the motion comfort index, and capsize screen formula on a bunch of different forums and discussion.

Respectfully,
Jeff
02-07-2011 09:05 AM
sailingdog Nelson

Thank you for spamming sailnet with what is basically the same post in FIVE DIFFERENT PLACES.
02-06-2011 11:14 PM
Fstbttms Yeah, I pretty much got the gist of your rant the first three or four times you posted it on at least two different sailing forums.
02-06-2011 10:48 PM
Nelsoncw
Autoprop

I have an Autoprop on my Catalina 42. AB Marine had rebuilt the prop in 2007. In May of 2009 and 225 hours later a blade came off. Buntons Marine replaced the blade for $1500. I had it lubricated every six months. I am always in deep water. It never touched anything but saltwater. I only go to Catalina and back. Other than the lost blade there was not any evidence of damage or distress.

At the time Steve Armitage of AB Marine told me that losing a blade was a “rare occurrence” and that he did not have an explanation for why the blade fell off. David Sheppard of Brunton's Propellers Ltd, told me losing a blade is an “an exceptional case”. Contrary to their comments the prop has been subject to a recall for lost blades. If you search other support groups and blogs you will find many others that have lost Autoprop blades. It demeans their credibility to say otherwise.

Although I enjoy the performance of my Autoprop my experience with AB Marine and Brunton's Propellers has been extremely disappointing. They are unwilling to stand behind their expensive product. In all their replies I feel like I am hearing from a politician trying to avoid giving a straight answer.
02-05-2011 11:22 AM
RichH If you 'shift' from reverse to forward a lot, as for the need to 'back and fill', etc. into and out of a slip, etc. the Max prop will eventually loosen at the blade roots and the blades will then begin to 'wobble'. Obviously with a Max you must/should idle 'all the way down' when shifting; but, the need to sometimes shift quickly will 'hammer out' and loosen the blade roots / blade spindles.
02-05-2011 02:03 AM
Nelsoncw I have an Autoprop on my Catalina 42. AB Marine had rebuilt the prop in 2007. In May of 2009 and 225 hours later a blade came off. Buntons Marine replaced the blade for $1500. I had it lubricated every six months. I am always in deep water. It never touched anything but saltwater. I only go to Catalina and back. Other than the lost blade there was not any evidence of damage or distress.

At the time Steve Armitage of AB Marine told me that losing a blade was a rare occurrence and that he did not have an explanation for why the blade fell off. David Sheppard of Brunton's Propellers Ltd, told me losing a blade is an “an exceptional case”. Contrary to their comments the prop has been subject to a recall for lost blades. If you search other support groups and blogs you will find many others that have lost Autoprop blades. It demeans their credibility to say otherwise.

Although I enjoy the performance of my Autoprop my experience with AB Marine and Brunton's Propellers has been extremely disappointing. They are unwilling to stand behind their expensive product. In all their replies I feel like I am hearing from a politician trying not to give a straight answer.
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