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Old 24-08-2014, 13:29   #1
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HELP - Props gone wild!

I have 4 blade Easy by Max Prop. They feather and I have a 44 foot catamaran with two engines. While in the middle of a mooring field, I realized we no longer had forward gear in BOTH engines. After cashing is some karma I was able to thread the boat out of the mooring field.

We then anchored and called for help. I had to tell the Tow Boat US pilot how to steer since his view was blocked by my boat. Credit to Tow Boat pilot as we got the ball on the first try. No gel coat work is good news.

What has gone wrong with my boat?
1) I checked that the gear shift linkage is moving in the correct direction as I pass from reverse to forward.
2) While arriving at the mooring ball I gave it plenty of forward and the boat would just go faster in reverse.
3) After mooring I tried again and it seems forward had come back.

Is my prop getting stuck in reverse orientation due to barnacles or lack of greese? I just cleaned the props but clearly not that well. The props are 10 months old and have never been out of the water.
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Old 24-08-2014, 14:36   #2
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Re: HELP - Props gone wild!

Help Please. Looking for any advice. Thanks
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Old 26-08-2014, 05:36   #3
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Re: HELP - Props gone wild!

Quote:
Originally Posted by Jaymannyc View Post
Help Please. Looking for any advice. Thanks
hi jaymannyc
What engines you have and what saildrives?

M.E
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Old 26-08-2014, 19:18   #4
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Re: HELP - Props gone wild!

Volvos D2-40 with straight shafts.
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Old 26-08-2014, 19:26   #5
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Re: HELP - Props gone wild!

Sometimes with changeable props you need to goose them a bit with higher revs. Also, how old is your transmission? A rebuild did wonders.
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Old 26-08-2014, 19:34   #6
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Re: HELP - Props gone wild!

Both engines simultaneously is odd. I am presuming that you have confirmed the shafts are actually changing gear with the gearshift?

If so, it sounds like the props are fouled. Time for a swim....
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Old 29-08-2014, 17:28   #7
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Re: HELP - Props gone wild!

Looks like I lost the grease in the props. Odd since they only need grease every two years. Added grease and we go back in the water in a week and we can see if that was the problem.
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Old 09-10-2014, 06:30   #8
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Re: HELP - Props gone wild!

Props have been great ever since I re-greased them. Maxprops probably require grease every 6 months NOT 2 years (manual) if you use them a bunch (sailed 8,500 miles). When greasing make sure to work the props else an air bubble will form and freeze the props.

j
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Old 09-10-2014, 10:37   #9
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Re: HELP - Props gone wild!

Just saw your post, glad you have it figured out and posted the answer.
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