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Old 05-22-2003, 01:23 PM
  #11  
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I had the same thing happen to me and it was the prop slipping on my Mirage. Had the plastic "inurds" that had started to shred. If you don't have a solid hube Mirage, I agree with Cirgarette1 that the prop could be your problem (I didn't have cavitation plugs either).
 
Old 05-22-2003, 01:48 PM
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Are you sure that your prop increases in speed with an increase on the throttle in forward. I am going through replacing a gear after breaking out the floor in it. The prop would turn in both forward and reverse, but when accelerating in forward the prop would not increase in speed, only the RPMs.
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Old 05-22-2003, 02:19 PM
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Originally posted by JUST ONCE
if it were slipping in and out of gear at hal throttle you'd know it it'd bang like hell when it went back into gear, Don't take this the wrong way but are you sure its not a dive trim issue? bad reading on trim indicator?
Remember when I dropped it back into gear at 3200 by that bridge? That was a sound that could scare the fish out of the lake!!
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Old 05-22-2003, 02:39 PM
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Ya that was slick I though I'd have to swim back to shore.
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Old 05-22-2003, 03:30 PM
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I thought "Oh ****, now dad will know how hard I run the thing!!"

Last year was the first year I would really hammer it and have fun, it was also the first spring we had to re tighten every screw on the boat!! Windshield, trim pump, lights, speaker, depth finder...All of that loose, I was sure to tell dad that is just routine 5 year maintence
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Old 05-22-2003, 03:46 PM
  #16  
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Many thanks for the input. It is for sure a solid hub prop. From what you have said here I hope that the drive somehow was not all the way down. However, I fear that I am in the same situation as st31 and that I will have to change the gears and clutch.
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Old 05-22-2003, 03:49 PM
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good luck hope its nothing serious.
Martin
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Old 05-22-2003, 06:12 PM
  #18  
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Did you come off plane and check
for foreign debris around the lower unit ?
Or did you just continue on in ?

I've cuaght floating crap around
a drive and it will cause a similar
situation as you describe.

When under load, couplers, clutches, prop
hubs start to fail, they usually "let go"
very quick.

jt
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Old 05-22-2003, 06:44 PM
  #19  
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Hey JT .. Vandelay Industries sponsored a boat I once had
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Old 05-23-2003, 07:25 AM
  #20  
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I have now tested the boat with the drive all the way down, verified by visual inspection(hanging over the transom) and it appears to work! The drive trim instrument is not very accurate so my conclusion is that the prop was sucking air. Once again, many thanks for your input.

mats
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