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17 August 2021 at 8:35 pm #725228
Sven, your English is perfect and I was assuming that I would create blind mortices, less chance for water penetration.
I read the article you posted however I dont think some of the comments are correct. Being a Civil Engineer, I have designed numerous laminate beams, and a few that are arched. The timber is always laid with opposing grain, its adds strength and arched are under tension, as the curve is only achieved on final glue up. The glue does not fail, but the structure of the wood. Most issues with glued joints, are preparation (specifically joint gaps when using PVAs) and compression whist setting.
The other thought is that the edges will be within the jamb of the frame with weather seal to protect from driving rain.
Ill think some more, but I am leaning towards laminating.
10 August 2021 at 7:18 am #724308I would copy and replace. Unless you used an epoxy to fill the voids you will never repair that timber. Looking at the pictures it seems that the screws where installed as a repair to prevent the timber splitting further.
9 August 2021 at 9:52 pm #724277Jeff, great idea. You cant get more differential in humidity that the inside to outside of a boat!
9 August 2021 at 5:04 pm #724234Sven, interesting thoughts. To be honest Ive made many exterior gates but never even thought about laminating as all faces are in the same atmosphere.
On your second reflection. The grain on inner boards would be turned so that the natural tendency of warp would be to pull in the opposite direction, still worth thinking about. I suppose selection of timber would be of essence to prevent major twisting or cupping force.
Glue as long as its correctly applied and clamped any waterproof glue (titebond or similar) is stronger than the wood itself. I know this through experience, having repaired many broken guitar necks and having to repair new splits a few years later.
Any other musings are more than welcome.
3 August 2021 at 6:47 pm #723490One of my hobbies is building guitars and its not as complex as most will make out. Building acoustic has already been stated requires a number of formwork templates which are not difficult. Selection of wood, your bracing and bridge height will decide your completed tone. Rather than books on luthiery, youtube is your friend. Look up Crimson guitars, Ben has a magnificent collection of videos and will show you how exactly to build a neck, crown and polish frets and although he generally makes electric instruments he also does semi acoustics. Another good guy to watch is TWoodfrd. He mainly repairs but does build, his instructional videos on repairs fill in the gaps that no book can do
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