MaxProp or Autoprop? - Page 5 - SailNet Community
Reply
 
LinkBack Thread Tools
post #41 of 58 Old 08-12-2009
TiggerToo
 
Join Date: Aug 2009
Location: Scotland
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
For those interested in Kiwi I had one fitted to my Feeling 36 when I bought her 18 months ago. As I've only sailed with this prop I can't offer any direct comparisons, but I can report two minor maintenance issues (or rather, good service issues). I can also say that the previous owner thought reversing on the old fixed two-blade prop was sometimes "interesting" and on the Kiwi I have found the boat delightfully manoueverable in both directions, so there is probably truth in the reduced prop kick argument.

Firstly at first year maintenanace my boat yard reported stailess steel pins were badly corroded (but not failed) - UK Kiwi agent immedately sent titanium replacements foc. I understand titanium pins are now standard.

Second, heavy vibration in gear last weekend pointed to a prop problem. My boatyard attended quickly and found one Kiwi blade "stop" missing; probably a rope snag had done it. I haven't knowlingly snagged a rope, although there was that strange hesitation in Loch Aline ... Again Kiwi have supplied the part overnight (and we are talking about semi-remote location) and all's fixed.

Added to the two impressively speedy parts, Kiwi were able to customise and supply the prop at very short notice in the first place, and I've had no reason to doubt or change the pitch settings.

So, 10/10 for (UK) service, and I accept that something with moving parts is going to be more vulnerable than a bronze cast. I love to think of those blades feathering when not in use.
TiggerToo is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #42 of 58 Old 08-31-2009
Junior Member
 
Join Date: Aug 2009
Location: Southern California
Posts: 8
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Have a Max Prop on my 44 foot Bristol -- recently purchased. Surveyor suggested replacing it with a regular cruise prop. According to him I'd increase my RPM and have fewer problems, whatever those problems might be. Advise pro or con, please?
rmorris001 is offline  
Quote Quick Reply Share with Facebook
post #43 of 58 Old 08-31-2009
Member
 
redcobra's Avatar
 
Join Date: Mar 2009
Location: Towson, MD
Posts: 53
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
 
Love my maxprop. Installation was not that difficult (sawing off the end of the shaft was scary) and I can change the pitch when I pull it (I think I need a little more). I can now back into the slip!!!

Alan
s/v "Zig Zag"
Pearson 39 Yawl
redcobra is offline  
Quote Quick Reply Share with Facebook
post #44 of 58 Old 09-01-2009
Junior Member
 
Join Date: Aug 2009
Location: Southern California
Posts: 8
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Maxprop seems to be working fine for me, too. Believe I'll just stick with it.
rmorris001 is offline  
Quote Quick Reply Share with Facebook
post #45 of 58 Old 09-01-2009
I don't discuss my member
 
Fstbttms's Avatar
 
Join Date: Feb 2003
Location: Under a boat, in a marina, in the San Francisco Bay
Posts: 2,189
Thanks: 6
Thanked 26 Times in 26 Posts
Rep Power: 13
 
Quote:
Originally Posted by rmorris001 View Post
Have a Max Prop on my 44 foot Bristol -- recently purchased. Surveyor suggested replacing it with a regular cruise prop. According to him I'd increase my RPM and have fewer problems, whatever those problems might be. Advise pro or con, please?
Sounds like your surveyor doesn't know his ass from a hole in the ground.
Fstbttms is offline  
Quote Quick Reply Share with Facebook
post #46 of 58 Old 09-02-2009
Member
 
Join Date: Jan 2008
Location: West Chester, PA
Posts: 42
Thanks: 1
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Max Prop

We bought our 35' Beneteau in Oct. '07 and the PO had installed a MaxProp in '06. We used it all throughout the '08 season and also this '09 season with no problems. In the light air of the Chesapeake, I have noticed we can creep up and pass other similar boats. So, the reports of .5 knot advantage seem realistic to me. Reversing gives a moment of prop walk to port until sternway allows the rudder to affect the direction of the boat. Once sternway commences, it steers as well in reverse as in forward. Docking stern-in is a snap. I have no experience with other folding/feathering props, so I can't compare, but I am totally satisfied with our MaxProp,and would recommend it to anyone wanting a foldng/feathering prop. Cost might be an issue, as these items are not cheap. On our boat the list is around $2800 for one of these props before installation. Fortunately for us, the PO absorbed this cost. One note of caution is that these props need annual service as recommended by the manufacturer. If they are not serviced as recommended, they will fail to perform properly.
davmarwood is offline  
Quote Quick Reply Share with Facebook
post #47 of 58 Old 09-03-2009
Senior Member
 
Join Date: Dec 2008
Posts: 711
Thanks: 1
Thanked 6 Times in 6 Posts
Rep Power: 7
 
Quote:
Originally Posted by davmarwood View Post
. One note of caution is that these props need annual service as recommended by the manufacturer. If they are not serviced as recommended, they will fail to perform properly.
I too like the max prop having installed one on my current boat back in 1985 and it's still doing fine. I routinely haul out about every three years here on the Cheaspeake and at that time I repack the prop with the proper grease and replace the zinc. Sometimes I do dive on the boat to change the zinc after about a year and a half, but the yearly service is something that I have not done for the past 24 years. FWIW I also paint the prop with bottom paint which is not recommended although I do prep it first with the Interlux underwater primer. Even though this has worked for me, your results may very and yearly maintenance if fine.
lancelot9898 is offline  
Quote Quick Reply Share with Facebook
post #48 of 58 Old 09-03-2009
Junior Member
 
Join Date: Aug 2009
Location: Southern California
Posts: 8
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
Maxprop

Thanks for the information and the tips. Very helpful. I'm keeping the Maxprop. It hasn't caused me any problems so I have no complaints.
rmorris001 is offline  
Quote Quick Reply Share with Facebook
post #49 of 58 Old 02-05-2011
Junior Member
 
Join Date: Dec 2006
Posts: 6
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
 
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.
Nelsoncw is offline  
Quote Quick Reply Share with Facebook
post #50 of 58 Old 02-05-2011
Senior Member
 
RichH's Avatar
 
Join Date: Jul 2000
Location: Pennsylvania
Posts: 3,542
Thanks: 24
Thanked 165 Times in 154 Posts
Rep Power: 16
 
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.
RichH is online now  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
AUTOPROP rleslie Gear & Maintenance 5 11-10-2011 11:27 PM
Flex-o-fold v. MaxProp? danielgoldberg Gear & Maintenance 2 08-06-2008 09:56 PM
Autoprop - Exceptional customer service jreidvt Gear & Maintenance 1 06-13-2006 03:59 PM
Volvo Folding vs Maxprop feathering uri General Discussion (sailing related) 1 06-27-2002 07:06 PM
First Look: AVP Autoprop Mark Matthews Gear and Maintenance Articles 0 04-19-2000 08:00 PM

Posting Rules  
You may post new threads
You may 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome