It has been a hectic week here. Last weekend I drove over 1500 km round trip to attend my cousin’s 40th wedding anniversary, then my mother came for a visit for a couple of days, Wednesday was family day Thursday was cold raining but I managed to do a bit on hull 816, Friday was mostly taken up with paperwork…a 24 page report on my holidays! Saturday I got back into the shop finished epoxying the tops of the bouyancy tanks and the bottom, the bow and stern. This is where I left off last night:
I have trimmed down my laminated mast blank and cut of the corners to make it more cylindrical. I may taper it as I plane off the corners, its been going pretty quick with my block plane.
The roughed out blank.
A little more cylindrical.
It has been very cool here we are normally into the upper 70s and mid to high 80s but I woke up the other morning and it was 54 in the house….made it real hard to get up out of my nice warm bed:-) As the epoxy has a minimum application temperature of 16°C (60 ish °F) I turned on the shop heat to warm it up a little. I was also concerned that the epoxy metering pumps would not measure correctly if the resin and hardener were too cool.
I mixed the first batch with the new container of thickener I bought early last week (drove by Lee Valley during my 1500 km journey). I’d also purchased more resin and hardener as I didn’t want to run out. It was a nice peanut butter consistancy as I was mixing it but when I got it into the pukemouse is was a little more confined so it started to heat a bit a so was just a tad more runny that I would have liked. To prevent any runs I hoisted up the side
I was working on so the joint was more horizontal. The need for this angle is why the top picture has the boat perched on my scrap crate.
Earlier in the morning I had sealed the bouyancy tanks and once those had hardened, I flipped the boat for access to the bottom. While I was waiting for the tops of the tanks to dry I figured I would work on the mast. So I shuffled the tablesaw over to the door and no sooner than when I got the saw set just right the skies opened up. It poured for over an hour so things were at a bit of a standstill. Once the rain stopped it actually warmed up a fair bit so I was able to open the garage door to be able to have enough room to trim my blank on the TS. I didn’t take pictures but in the last mast shot you can see the General roller stand underneath the mast. I bought two when I bought my saw and they have been enormously helpful. I am able to safely cut sheet goods as I put one roller stand on the infeed side one on the out and the material are supported the whole way through. This is why I actually cut the mast on my table saw as the bandsaw with the roller cart underneath is too high for the rollers to be able to support outgoing stock.
I have been figuring out the bracing for the mast and the step. I’ve decided to make a bit of a box up in the bow to store stuff but mainly be the reinforcing for the mast step.
This a pictute of the setup I used to measure back 12 inches from the joint of the hull and bow. This is an arbitrary distance. I am hopeful that after I have had 816 on the water I will be able to tell if the mast is too far aft or too far forward. This is the one part of the build that has me concerned as I do not want to epoxy the bulkheads and bracing for the mast until I know its in the right spot, so right now I am making bracing blocks and screwing everything in place. My concern is that the moment arm on a full sail will rip the screwed in mast step right out of the hull. But as long as I don’t get clobbered by falling gear I guess I’d just have to paddle the remnant back to shore and start again.
Well I am heading of to a garage sale that boasts lots of tools and even a lathe so painting will have to wait until I am back. I am thinking I will need to lightly sand the epoxy to give the latex paint a bit of a bit.
-- "Checking for square? what madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2