Mark's C21
Posted: Thu Jul 30, 2015 10:40 am
Jacque,
My name is Mark Machonis. We have spoken together on the phone several times. I hope you are feeling well.
I received my kit this week. I am about to get started. I have a few questions based on Reading Sam Devlin's book.
In his book, he indicates that he builds using a female jig with the boat right side up to start. He indicated that by doing so, you can keep your structure in proper alignment throughout the stitching/filleting process. Then set a few main permanent frames and longitudinal supports, then flip the boat and complete the exterior. I kind of agree with him. It seems to me that if the structure is upside down, there is no way, or it is more difficult to measure that the frames are in proper alignment with the hull. In addition, the frames can be fastened to the hull structure with temporary screws without damaging the completed exterior. Assuming a male jig is used, the exterior is completed first and then the boat is flipped so temporary frames set with screws would damage the completed outside. My thought, based on Mr Devlin's premise, is to make a cradle that keeps the water line level. Stitch the hull structure together, Fillet and Tape the inside of the hull using spreader bars and temporarily place frames to maintain the alignment in the cradle. Glass the inside. Set the longitudinal supports and frames on the interior and then flip the boat. Fillet, Glass and paint the exterior and flip it back over to finish the inside.
Am I overthinking this? Am I misunderstanding something? What are the advantages and disadvantages to using either method?
Mark
My name is Mark Machonis. We have spoken together on the phone several times. I hope you are feeling well.
I received my kit this week. I am about to get started. I have a few questions based on Reading Sam Devlin's book.
In his book, he indicates that he builds using a female jig with the boat right side up to start. He indicated that by doing so, you can keep your structure in proper alignment throughout the stitching/filleting process. Then set a few main permanent frames and longitudinal supports, then flip the boat and complete the exterior. I kind of agree with him. It seems to me that if the structure is upside down, there is no way, or it is more difficult to measure that the frames are in proper alignment with the hull. In addition, the frames can be fastened to the hull structure with temporary screws without damaging the completed exterior. Assuming a male jig is used, the exterior is completed first and then the boat is flipped so temporary frames set with screws would damage the completed outside. My thought, based on Mr Devlin's premise, is to make a cradle that keeps the water line level. Stitch the hull structure together, Fillet and Tape the inside of the hull using spreader bars and temporarily place frames to maintain the alignment in the cradle. Glass the inside. Set the longitudinal supports and frames on the interior and then flip the boat. Fillet, Glass and paint the exterior and flip it back over to finish the inside.
Am I overthinking this? Am I misunderstanding something? What are the advantages and disadvantages to using either method?
Mark