Eric's C21

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Eric1
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Re: Eric's C21

Post by Eric1 » Tue Mar 07, 2017 11:45 am

TomW1 wrote:
Tue Mar 07, 2017 11:15 am
You can drop to 120 for the rest of you fairing now that you are using Quick Fair or you can stay with the 80 for faster sanding. Your choice is really you. The guide coat looks really good. Just leave it in the lows and go right over it with the Quick Fair.
You Must have read my mind. I dropped to 120 to knock off the blue paint. I thought I was doing a good job until I saw what the guide coat left behind.
Besides the obvious that guide coat shows the faintest low spots (and there a plenty of them). I'm trying to figure the best way to approach this. I'm thinking fill the larger surfaces with a 5" and 12" spatula, let those spot harden. Then kiss sand those and try to feather in the areas that need a tiny amount. I'm going to try an experiment first. I've taken a strip of counter top material (Formica) and fixed that to my 24" hard foam sanding block with two sided tape. The theory is It will flex enough to fill without overfilling. Since That block is what I'm using to sand with, I thought this approach has some merit. We shall see. I'll post pictures of the test as I go.



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Re: Eric's C21

Post by Eric1 » Tue Mar 07, 2017 4:53 pm

Maybe I was not suppose to work on the boat today.
I found out why I had to rush order 2500 lbs of stainless last week. We ran out of a critical size and my supervisor told me all the order up untill then had been delivered. Well I went to place a material order for another 216 bars of 1 5/8" stainless today and the Vendor reminded me I have 80 bars due in monday on a Purchase Order that I show had been delivered. It was supposed to have been here on 2/13/2017 it some how got scheduled for 3/13/2017. That's about $11,000 in raw materials I'm having to adjust.
Then my brother had called an electrician to hang the new outside lights today. I had to stop what I was doing and make 4 custom mount to adapt these to the old hardware. While I'm trying to do that my nephew kept interrupting me until I sent him to the shipping department. I get the brackets made and I told my brother he would have to go to lowes and pick up 8 bolts,nuts and washer to put up the lights. I look up and he sent the electrician home because he was to busy to go to lowes.
So already frustrated from the days events I proceeded to test my idea.
I mixed 5 ounce of Quick Fair. While the theory seemed plausible it yielded frustration.
The formica spatula I made was leaving far to much with moderate pressure. If I applied heavy pressure it was lifting to much up.
I was busy as an eight legged cat after a laxative, trying to cover this up.
I ended up just spot filling the obvious places as not to waste the Quick fair.
Moral of the story...Somedays your are the windsheild, Somedays you are the bug. :roll:
Here is the result:
Image

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Re: Eric's C21

Post by Jeff » Tue Mar 07, 2017 5:01 pm

Just hope there are more "windshield" days than "bug" days!! Looks really good!! Jeff

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Re: Eric's C21

Post by TomW1 » Tue Mar 07, 2017 8:50 pm

Jeff wrote:
Tue Mar 07, 2017 5:01 pm
Just hope there are more "windshield" days than "bug" days!! Looks really good!! Jeff
Eric I hope your future days are better.
Restored Mirror Dingy, Bought OD18 built by CL, Westlawn School of Yacht Desghn courses.

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Re: Eric's C21

Post by Eric1 » Tue Mar 07, 2017 9:15 pm

TomW1 wrote:
Tue Mar 07, 2017 8:50 pm
Jeff wrote:
Tue Mar 07, 2017 5:01 pm
Just hope there are more "windshield" days than "bug" days!! Looks really good!! Jeff
Eric I hope your future days are better.
Thank You. Most days are good,Today just got to me.

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Re: Eric's C21

Post by Fuzz » Tue Mar 07, 2017 10:00 pm

When I have one of those days I always think back to one of my worst days and compare it to that. 99.9% of the time it doe not even come close so it rates "it is just a thang, from CapeMan" Hard to compete with explosion, fire, and abandon ship :wink:

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Re: Eric's C21

Post by bateau-webmaster » Wed Mar 08, 2017 11:47 am

Two points on the formica spreader idea. (not a bad idea) depending on the formica thickness, you may want to back it with something thick but flexible. (I'm imagining .5mm formica, like you see on a countertop or so, correct me if I'm wrong here) The other thing is that the formica has a very stiff rigid edge, which you would want to round over a bit, otherwise it will give you those little hard edge lines where the spreader hangs up on any of the surface it catches momentarily and "jumps". Other than that, this looks relatively smooth, but then I can't see the surface too well from the photo.

Sorry to hear about your day of frustration. Need a case of boat building beer for days like those.
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Re: Eric's C21

Post by Eric1 » Wed Mar 08, 2017 3:57 pm

bateau-webmaster wrote:
Wed Mar 08, 2017 11:47 am
Two points on the formica spreader idea. (not a bad idea) depending on the formica thickness, you may want to back it with something thick but flexible. (I'm imagining .5mm formica, like you see on a countertop or so, correct me if I'm wrong here) The other thing is that the formica has a very stiff rigid edge, which you would want to round over a bit, otherwise it will give you those little hard edge lines where the spreader hangs up on any of the surface it catches momentarily and "jumps". Other than that, this looks relatively smooth, but then I can't see the surface too well from the photo.

Sorry to hear about your day of frustration. Need a case of boat building beer for days like those.
Hey Jamie,

Thanks for the input and you are spot on the formica. I think leaving a 3/8" to 1/2' overhang would have netted better results as well.
I did notice the I had a very light streaking effect and rounding the edge would have most likely corrected this.

Today has been much smoother and the cuss factor has been 0% :) :) :)
I sanded what looked terrible to me yesterday and found it was not all that bad. Chaulk it up to my mindset yesterday.
I sanded out the previous fill and took a few photos. I still had some definite lows, some very light lows and pinholes.

Image

This is midway on the boat. You can see the blue guide coat peeking through.
Thank You Tom! I like this technique.

Image

This is where I used the last bit yesterday at the bow.
I basically just knock the highs off as there is plenty of fill left to do.

Image

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Re: Eric's C21

Post by Eric1 » Wed Mar 08, 2017 4:26 pm

Trying to figure the best way to apply very light coat(s) of Q.F.. I decided to go back and use these.

Image

I mixed a 30 gram batch (21:9) of quick fair and applied it to the lows.
By using the drywall tools I could fill in the shallowest low spots and pinholes.
I think this is the way to go. Smaller batches and using these to only fill the lows.

Image

Midway where Blue guide was peeking through.

Image

Used the rest here.

Image

I think I'm on track with this stuff now. I have to see the results and modify my approach until I'm happy.
Being my first build there has been a lot of trial, error and correction. It does start to make sense after a bit of that.

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Re: Eric's C21

Post by Jeff » Wed Mar 08, 2017 7:23 pm

Nice Eric, looks like a good method!! Jeff

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