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  #101  
Old 04-24-2014, 01:34 PM
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cbryan70 cbryan70 is offline
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Once you finish polishing yours ill bring my boat down
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She always misses me and when I turn her on it is hard to turn her off! She is MC and she completes me! She is the first ride that wants it as much as I do!
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  #102  
Old 04-24-2014, 05:57 PM
lake weir skier lake weir skier is offline
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Quote:
Originally Posted by Rockman View Post
LWS,

I ordered the wool pads and also the heavier compund.


Would the Porter Cable 7346SPR be a good one to buy since I already have the PC7424XP? Or is that not the right one?
What you've already got is a dual action polisher that's considered pretty safe. If you are looking to get more aggressive with an aggressive compound on a wool pad, I would get a pure rotary. Based on what I've read about it, your proposed purchase is a random orbital, not a pure rotary, so it doesn't seem like the best addition.

I bought the DeWalt DWP849X pure rotary polisher off Amazon (about $177) because it had strong reviews and I’ve had good experience with DeWalt power tools. I've seen people on this forum perfectly happy with Harbor Freight pure rotaries that cost more like $40 (e.g., Item #60626). They might not start as soft or hold speed quite as accurately as the DeWalt and they may be noisier and not last as long, but I can see why people just taking care of one or two boats and not running the machine daily could find Harbor Freight adequate. I am just taking care of one boat too, but I had also just spent a lot of time dealing with issues with my forced rotation Flex 3401 and was in no mood for problems, so I paid up for the DeWalt. I think people on here are happy with other pure rotaries as well.

I would review some videos on technique before using a pure rotary on a wool pad with an aggressive compound. I’m just getting going on this too after much research. I’ve removed 1000 grit sanding scratches and oxidation. I run it at 1400 RPM, the low end of the recommended range for Super Duty, I press down moderately, I keep the pad moving across the surface, and I’ve been working pretty wet to make sure I don’t burn in. I seem to be using more compound than some folks report, possibly in an abundance of caution on my part. A pad spur is useful to eliminate excessive build up on a wool pad.
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  #103  
Old 04-24-2014, 09:33 PM
lake weir skier lake weir skier is offline
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Quote:
Originally Posted by BrianM View Post
What he said.

You have to have the wool for the Super Duty.
Except I screwed up and listed the wrong stuff for your second step. I put a correction at the bottom my original post above that you quoted. Doesn't affect the aspect about Super Duty, though.
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  #104  
Old 05-04-2014, 01:29 PM
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PineLakeRumble PineLakeRumble is offline
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Quick question for those with experience...

1. Has anyone compared results with these two pads?

Lake Country 6.5" Purple Foamed Wool Polishing/Buffing Pad
Lake Country 7.5" 4 Ply 100% Twisted Wool Pad

2. Which pad is the ticket with 3M Imperial or Super Duty?

I'll be using the Dewalt 849x

Thanks.
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  #105  
Old 05-04-2014, 02:03 PM
lake weir skier lake weir skier is offline
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Quote:
Originally Posted by PineLakeRumble View Post
Quick question for those with experience...

1. Has anyone compared results with these two pads?

Lake Country 6.5" Purple Foamed Wool Polishing/Buffing Pad
Lake Country 7.5" 4 Ply 100% Twisted Wool Pad

2. Which pad is the ticket with 3M Imperial or Super Duty?

I'll be using the Dewalt 849x

Thanks.
I have not compared their results.

As shown in the Lake Country Pad Application Guide, 4-ply wool is more aggressive than foamed wool and is appropriate for heavy compounding (that guide is for paint and gelcoat is harder than paint and generally requires more aggressive measures). Certainly Super Duty is appropriate for heavy compounding and that looks like a twisted wool pad that 3M is using in the video below demonstrating use of their Imperial (they say it is 100 percent wool).

I've been using Super Duty on a Lake Country 4-ply twisted wool pad running at 1400 RPM. Works fine, realizing the next step removes the haze.

Lake Country Pad Application Guide

3M Marine Professional Gelcoat Finishing System .
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  #106  
Old 05-04-2014, 02:45 PM
lake weir skier lake weir skier is offline
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I will add that I have some Lake Country purple foamed wool pads, including some that were included in a bundle as a backing for microfiber bonnets. Their pretty mushy compared to my Lake Country 4-ply twisted wool pads.

Looking around the internet among highly experienced people, I found they were often using 4-ply twisted wool on gelcoat for compounding and even for later steps, though I'm just using 4-ply twisted wool for compounding and using foam pads for later steps.
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  #107  
Old 05-04-2014, 07:04 PM
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TayMC197 TayMC197 is offline
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I used this on my boat Friday.. Worked very well..
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  #108  
Old 05-04-2014, 07:17 PM
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BrianM BrianM is offline
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I compound (3 m Superduty) with wool. After that I go to foam.
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  #109  
Old 05-04-2014, 09:13 PM
jgraham37128 jgraham37128 is offline
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Quote:
Originally Posted by PineLakeRumble View Post
Quick question for those with experience...

1. Has anyone compared results with these two pads?

Lake Country 6.5" Purple Foamed Wool Polishing/Buffing Pad
Lake Country 7.5" 4 Ply 100% Twisted Wool Pad

2. Which pad is the ticket with 3M Imperial or Super Duty?

I'll be using the Dewalt 849x

Thanks.
1. Has anyone compared results with these two pads? No, stopped using wool pads when I stopped using cotton towels. Or news paper for cleaning window. Microfiber took the places of cotton towels and newspaper. Foam pads took over wool pads. Give them a try and no more wool.

2. Which pad is the ticket with 3M Imperial or Super Duty? Lake Country Tangerine Pad
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  #110  
Old 05-05-2014, 10:20 PM
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PineLakeRumble PineLakeRumble is offline
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LWS,

Like BrianM do you also use the 4 step process or do you go straight from "Finesse" polish to Wax?
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