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Cat trax wont roll #137900
03/27/08 10:32 AM
03/27/08 10:32 AM

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Hi there, I have cat trax that are a year old. they dont work so well. I have a Mystere 5.5 that seems to hard to roll up the beach. I have friends whos boats (Mystere 5.5 and 6.0) seem much easier to roll.

I have flushed out the insides of the hub with tap water, that didnt help.

I was thinking about lubricating the delron bearings (or whatever they are made of) with Mclube Sailcoat... but fear that will actually attract grit and sand.

Does anyone know a good fix for this?

thanks. Andrew

-- Have You Seen This? --
Re: Cat trax wont roll [Re: ] #137901
03/27/08 12:08 PM
03/27/08 12:08 PM
Joined: Jun 2001
Posts: 12,296
South Carolina
Jake Offline
Carpal Tunnel
Jake  Offline
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Posts: 12,296
South Carolina
Inspect the roller bearings and make sure you have enough in there and that they are all circular and without flatspots. There shouldn't be room to fit one more bearing but they should be relatively loose fitting. McLube won't necesarily hurt them but they should work with out it (in this case, lubricating the bearings - like traveler cars - can cause the bearings to slide rather than roll leaving flat spots on the bearings which leads to more sliding and less rolling. Sloppy bearings, like in traveler cars and cattrax, need a little friction to make them roll properly.

It may just be that you have grit up in them - I would disassemble the whole thing, clean it with water, and reassemble...it's a simple system and if something is wrong, it should be pretty obvious.


Jake Kohl
Re: Cat trax wont roll [Re: Jake] #137902
03/27/08 12:20 PM
03/27/08 12:20 PM
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brucat Offline
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McLube shouldn't attract dirt, that's the main thing I like about it.

Jake is right, these things are insanely simple.

I never knew that sloppy bearings work better without lube. I know that in light air, my traveler sticks more without lube than it does when I remember to McLube it in the morning...

Mike

Re: Cat trax wont roll [Re: brucat] #137903
03/27/08 12:23 PM
03/27/08 12:23 PM

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thanks guys

Re: Cat trax wont roll [Re: brucat] #137904
03/27/08 01:29 PM
03/27/08 01:29 PM
Joined: Jun 2001
Posts: 12,296
South Carolina
Jake Offline
Carpal Tunnel
Jake  Offline
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Posts: 12,296
South Carolina
Quote
McLube shouldn't attract dirt, that's the main thing I like about it.

Jake is right, these things are insanely simple.

I never knew that sloppy bearings work better without lube. I know that in light air, my traveler sticks more without lube than it does when I remember to McLube it in the morning...

Mike


I'm not saying it won't work better with lubrication - it probably will. However, it could shorten the life of the bearings.

When travelers don't work well it's because either the bearings have acquired some tiny flat spots or there is debris in the ball tracks. Lubricating it will make it work better but only exacerbates the problem because it makes it easier for the bearings to slide rather than roll...which leads to more flat spots. Once the ball bearings have started to obtain flat spots, its a viscious circle.

So basically, and not that you would, don't lubricate a traveler car that works. Gee...that advice really wasn't worth much was it? <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />


Jake Kohl
Re: Cat trax wont roll [Re: Jake] #137905
03/27/08 02:03 PM
03/27/08 02:03 PM
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brucat Offline
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That's OK, just gives me yet another excuse to flip the boat every 4 years... <img src="http://www.catsailor.com/forums/images/graemlins/smile.gif" alt="" />

Mike

Re: Cat trax wont roll [Re: brucat] #137906
03/27/08 02:57 PM
03/27/08 02:57 PM
Joined: Jan 2008
Posts: 3,655
Portland, Maine
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Let me sum up jakes post:

Slippery Flat balls = bad
Smooth rolling balls = good

Re: Cat trax wont roll [Re: ThunderMuffin] #137907
03/27/08 03:14 PM
03/27/08 03:14 PM

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I am starting to be sorry i opened this can of worms <img src="http://www.catsailor.com/forums/images/graemlins/smile.gif" alt="" />

Re: Cat trax wont roll [Re: ] #137908
03/27/08 06:23 PM
03/27/08 06:23 PM
Joined: Oct 2006
Posts: 119
Bernhards Bay, N.Y.
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My girl say's, everything works better with lubrication!!! <img src="http://www.catsailor.com/forums/images/graemlins/blush.gif" alt="" />


~~Don't fear the ''SPEED''~~ Fear the''ADDICTION''
~17,18 Hobies,
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~~~~VIETNAM VET. 69-71~~~~
Re: Cat trax wont roll [Re: ThunderMuffin] #137909
03/27/08 07:50 PM
03/27/08 07:50 PM
Joined: Jun 2001
Posts: 12,296
South Carolina
Jake Offline
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Jake  Offline
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Posts: 12,296
South Carolina
Quote
Let me sum up jakes post:

Slippery Flat balls = bad
Smooth rolling balls = good


It doesn't just make sense, it makes the world go 'round.


Jake Kohl
Re: Cat trax wont roll [Re: Jake] #137910
03/28/08 11:52 AM
03/28/08 11:52 AM
Joined: Mar 2008
Posts: 55
Minneapolis
Mpls_Nacra Offline
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Posts: 55
Minneapolis
I am getting way to much of a laugh out of this.... <img src="http://www.catsailor.com/forums/images/graemlins/smile.gif" alt="" />


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