Gubbs GT23

[OzzyC]

BTW, after putting on some of the copper based bottom paint, we found that it was difficult to get a smooth finish. It was also fairly soft. So, we decided to go with epoxy/graphite. 1st coat: 1 oz colloidal silica, 2 oz graphite powder, 12 oz epoxy (all by volume). 2nd coat: 4 oz graphite, 12 oz epoxy. 3rd coat yet to go.

3rd coat same as the second...

First coat, we made three batches with the recipe Greg mentioned above. We had some left over.

Greg did the second coat by himself.

Third coat, we did two batches and had a little left over. Each coat got progressively thinner.

The graphite-infused epoxy leaves a nice slick coat... great for running shallow rivers.

[Gubbs]

Sounds great, I can't wait to see the pictures on your blog. hint hint!

cheers

[OzzyC]

Sounds great, I can't wait to see the pictures on your blog. hint hint!

Ask and ye shall receive... see the blog below.

[Daddy]

I hve decided to put the cabin on my GT all the way back against the false trnsom and the motor in a motorwell/splashwell. This will give me a huge open deck in front of the cabin and none at the stern. Access the motor through a 1/2 door in the rear bulkhead, batteries and gas in the compartments on either side of the motor well. I cut and pasted (literally) using a printout of the scale drawing and really like the look of the aft cabin.
Daddy

[Daddy]

Gubbs, I wonder if you could tell me what size gas tank you used, any hints on installation in that hull, did you have a bilge pump. I really appreciate all of the stuff you have shared with us, really a great help.
Daddy

[Gubbs]

Ozzy,

Looks real sharp!

cheers

[Gubbs]

Daddy,

The tanks were 11 gal, located under the sole in the rear outer most areas between the stringer and the side hull. Also put a bilge pump in the center. I will see if I can find some pictures.

Cheers

[Daddy]

Thanks Gubbs, poly or aluminum? Two tanks, linked together somehow,one fill, two fills? Sorry to ask so many questions
Daddy

[Gubbs]

Four plastic tanks. Since only relatively small ones would fit in that space I needed that many to get the total fuel I wanted. Small boat regs in Canada state that each tank must have its own fill. ( I don't know if it is the same in the US...) Not sure why this is since aircraft often have a single fill for multiple tanks. I did tie the vent lines together since there seems to be no reg against that. Two tanks on each side feed a water fuel separator, then a selector valve is used to determine if I am drawing off the right or the left side of the boat. This is how the marina where I bought my engine wanted it set up. It did not work terribly well, and I usually empty the rear tank on each side, leaving the forward one half full. I am going to mod this system in the spring to prevent this from happening. Here is the picture of the tanks, sorry its not a very good picture but is the only one I have:

The two tanks on the left (black rear, white front) are shown in position. On the right you can see one leaning on a stringer waiting to be installed.

Cheers

Gubbs

[Daddy]

Thanks Gubbs, Since I am doing the displacement hull version and plan only day trips, I will only need a small tank. I think I am opting for a bracket instead of a splashwell, cabin moved all the way back, sure will be a different look. There are so many options at this stage, when I get it flipped I will do a couple of mockups with 1/4 inch luan to see which looks and feels the best.
As always I appreciate your help.
Daddy