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Build project - resonator guitar from recycled bits

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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 8:43 am

Brian makes some seriously wacky guitars!
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:06 am

Next job was to get on with the binding.

Last month we used a bandsaw cut 2mm-ish binding strips from some leftovers that Colin had. As they were from two different guitars, the back binding is slightly different from the front, both rosewood but the contrast strip is boxwood on one, beech the other. I decided to use the boxwood on the front so it matches the purfling.

The process was to plane lengthwise to remove previous saw cuts and provide a nice smooth face for gluing, cut a strip off, then repeat. Mostly went OK except one rosewod/boxwood strip I somehow ended up not cutting parallel to the cleaned face so the strip is narrower at one edge (the one that shows on the front) than the other, and the width varies along its length. And there wasn't enough left to cut another one. Not perfect.

I could have either started again and made a new set of matching bindings (but I'm limited on time), or used the rosewood/boxwood bindings on the back where they won't be as obvious. But here's where my stubborn brain kicks in and says I've made a plan and we are sticking to it - we are putting the boxwood on the front to match the purfling and that's that. Brain convinces me it won't be too bad. I must have a serious chat with brain sometime.

-
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:15 am

It's gone from 10 deg C to 25 deg C overnight and I've chosen this day to stand over a hot bending iron.

The good news is that once I have the temperature of the iron set right the bindings are easier to work with than the purfling. Pretty soon I have the first one bent and taped in place so that I can cut it roughly to length.

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See how close the guitar is to the bending iron? That's how I got this blister on my right elbow. I moved down the bench a bit after that.
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:22 am

Here are all four bindings bent and taped in place.

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The last binding on the bottom is cut slightly too long, I'll cut that to size once I've cleaned up the binding channels and glued the one on the other side in place.

Even before I've cleaned up the channels it's not a bad fit:

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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:39 am

Bending went quite well, just two small issues. First, I was concentrating so hard on getting the curves right, not burning myself, and wiping sweat from my glasses that I managed to bend one of the bindings the 'wrong' way i.e. the smooth side out, so I had to sand the inside smooth for gluing later.

Second, there was one bit of wood that I just could not get to bend as I wanted, and I ended up splitting it. I superglued and clamped it straight away, then when it was dry Col had a go and managed to get just enough bend on it for me to finish the job. Now I have a some repaired binding at the exact point on the the back to match the split in the top and repaired purfling on the front. There is definitely something jinxed about that corner. :evil:

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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:53 am

Binding bending done, on to gluing. First I took a chisel to the channel previously routed roughly to size to clean it up and provide a nice close fit for the binding, test fitting a few times till I'm happy, then a couple more times till Col's happy.

Then I'm handed an impossibly long shoelace on a roll (the 'rope') with a loop at one end. Loop goes lengthways round the body, then I apply glue to a length of the channel and fit the binding, pulling the loop tight over the binding to hold it, then winding the rope round the body keeping it it tight on the binding the whole time. Col helps by applying glue so I can concentrate on keeping the rope taught, and someone else stops the free end of the rope turning into spaghetti behind me. Can't see how this is a one man job, but people do it. By the end I could have handled the glue but the rope would have been a challenge.

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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 9:56 am

The last turn is held tight in place by a sash clamp:

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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 10:00 am

All looking OK I think!

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One down three to go. I've said it before, I'll say it again. Next month - binding.
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Re: Build project - resonator guitar from recycled bits

Postby blinddrew » Sat Apr 21, 2018 6:24 pm

Loving this thread. :)
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Re: Build project - resonator guitar from recycled bits

Postby Wonks » Sat Apr 21, 2018 10:22 pm

All this tying things up with lots of rope. Is there something you want to tell us, Adrian? ;)
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Sat Apr 21, 2018 10:28 pm

Gotta get yer kicks where you can at my age.....
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Re: Build project - resonator guitar from recycled bits

Postby garrettendi » Mon Apr 23, 2018 11:47 am

Amazing! :thumbup:
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Fri Jun 01, 2018 3:12 pm

On we go - more of the same to start with this month. First the second top binding, I cleaned out the channel with a chisel, glued and roped on. The only difference from the other top binding is that since there is already a binding glued, when I got close the end I stopped, let the glue dry, then cut exactly to butt up to the existing binding and glued the last bit in:

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Re: Build project - resonator guitar from recycled bits

Postby blinddrew » Fri Jun 01, 2018 3:35 pm

Very impressive. All I've been doing on mine for the last few weeks is sticking layers of oil on, so it looks pretty much exactly like it did a month ago.
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Re: Build project - resonator guitar from recycled bits

Postby adrian_k » Fri Jun 01, 2018 4:09 pm

Then on to the back bindings. Colin suggested that since the binding is a similar colour to the back I could add a thin strip of different coloured veneer between the two. I wasn't keen, I didn't think I would be able to glue veneer to body, then binding to veneer, and then rope it all on in one operation. I prefer to keep things simple really. But Col said this is simple, so I gave it a go. I cut a length of 0.3mm ebony veneer and set to.

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I didn't find it all that simple. You work round the guitar body in sections applying glue to the channel, laying the veneer in, applying glue to veneer and roping the binding tight on top. I managed to get glue everywhere on the first one, including gluing the rope firmly to the body. Second one wasn't so bad.

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