Sharkbait PG20
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Re: Sharkbait PG20
Thanks for the compliments everybody. Got some fairing done today. Did one side with quickfair just to try it out and about 5 feet on the other with epoxy and microbaloons. Going to see tomorrow if it'll be worth it to do mostly with quickfair. It is really good stuff to work with. I've done alot of bondo work etc and it's very similar but you can work it a lot longer.
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Re: Sharkbait PG20
The quickfair will be easier to sand and it can be sanded much faster after application. The microballoon mixture is much harder, but cheaper.
Re: Sharkbait PG20
I've never put pen and pencil to it, but have wondered how much cheaper microballoons are, given their cost plus the cost of the epoxy to mix them in. Worth looking in to given the utility of Quickfair. Still, I liked Cracker Larry's advice to use a looser microballoon mix for flat surfaces to fill the weave.
Dougster
Dougster
- BrianC
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Re: Sharkbait PG20
I agree. I used a glass microballon fairing recipe on my SK14 and, while it was easier to sand than a wood flour+epoxy mix, it was still pretty slow going. Are the phenolithic (red) microballons any better?FluidDynamic wrote: ↑Sun May 17, 2020 8:05 am The quickfair will be easier to sand and it can be sanded much faster after application. The microballoon mixture is much harder, but cheaper.
SK14 completed ——— GV15 under construction
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Re: Sharkbait PG20
Is it really harder to sand micro balloons? I’ve not sanded quickfair. CL told me that if my bbc fairing mix was hard to sand I did put enough of the balloons in the mix.
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Re: Sharkbait PG20
Got quited a bit done today. I'm going to use quickfair to do the entire boat. I've done one entire coating over the boat and probably used a little over half of the gallon. This stuff is so much easier to deal with than the epoxy mixture with microballoons. I reworked the front end of the boat and added another layer of biaxial tape. I didn't like the finish and had to sand down to get the shape I wanted so this was the easiest way to build it back with strength. Never hurts to have an extra layer on the bow. I'll be sanding tomorrow, ordering some more quickfair and paint. Going to get the rubrail and spray rail wood tomorrow also.
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Re: Sharkbait PG20
It's not horrible but yes the quickfair is easier. It is also easier to work with as the consistency is better. Some of that could be my mix. If I need to spend an extra 100 bucks to save myself a lot of sanding and mixing I'm going to. I tried the microballoon mixture just to say I did it.
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Re: Sharkbait PG20
They were definitely easier than the wood flour mix. I used a manual straight plane with 35 grit and it was cutting it fairly quickly. I need a bigger compressor to run my straight line sander. With that, the work would be quicker for sure. I do as little hand sanding as possible though I do enjoy the shaping I can do with the manual straight line sander. harbor freight has a good one for 7 bucks.BrianC wrote: ↑Sun May 17, 2020 9:55 amI agree. I used a glass microballon fairing recipe on my SK14 and, while it was easier to sand than a wood flour+epoxy mix, it was still pretty slow going. Are the phenolithic (red) microballons any better?FluidDynamic wrote: ↑Sun May 17, 2020 8:05 am The quickfair will be easier to sand and it can be sanded much faster after application. The microballoon mixture is much harder, but cheaper.
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Re: Sharkbait PG20
BTW, I also tried the trick of drilling and injecting the epoxy in any of the places that got air pockets. Worked like a champ. Just used a syringe with a long tip on it.
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Re: Sharkbait PG20
A bunch of sanding yesterday. Followed by some more filling and quickfair. I'll get some pics up today.
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