Search found 412 matches

by Dave M
Wed Oct 28, 2020 3:55 am
Forum: Instrument Builders Forum
Topic: straight dovetail
Replies: 6
Views: 266

Re: straight dovetail

As one can see from Alan's reply there lots of ways to do this joint. I would however point out what G&G say in the book, that any sort of dovetail is quite hard to adjust for the angle, up and down and side by side required to get the neck geometry right. A straight mortice and tenon makes these ad...
by Dave M
Mon Oct 26, 2020 6:38 am
Forum: Instrument Builders Forum
Topic: Fretting, Michael Bashkin
Replies: 2
Views: 248

Re: Fretting, Michael Bashkin

I have checked with Robbie and Michael and they are happy to field queries here. I have a couple of minor questions When talking about relief Michael you are working with a 14 fret neck body joint guitar, although you fret at the 12th fret. If we have a 12 fret join should one drop down to around th...
by Dave M
Tue Oct 20, 2020 2:57 am
Forum: Instrument Builders Forum
Topic: Fretting, Michael Bashkin
Replies: 2
Views: 248

Fretting, Michael Bashkin

I have bought this video training course from Robbie OBrien and it is really good. Michael is very clear in his explanations and puts forward his methods without being dogmatic pointing out different ways of doing things. The camera work is excellent with good close ups. Although a lot of this stuff...
by Dave M
Wed Oct 14, 2020 6:30 am
Forum: Instrument Builders Forum
Topic: Classical Guitar Tuners Creaking and Binding Up
Replies: 13
Views: 1116

Re: Classical Guitar Tuners Creaking and Binding Up

Since I was fitting some tuners today I thought I might continue this a little. When I was making furniture I used to make my own dowel jigs (a la Krenov) and making them in a suitable hardwood such as oak seemed good enough. Exact spacing was not important since one simply reversed the jig to drill...
by Dave M
Mon Oct 12, 2020 3:57 am
Forum: Instrument Builders Forum
Topic: Falcate Classical #2 Build (in NZ)
Replies: 2
Views: 250

Re: Falcate Classical #2 Build (in NZ)

My falcate classicals were much too stiff. I have rather dodged it and gone to a traditional fan braced system but clearly it can be done successfully. We will enjoy following your experience. Dave
by Dave M
Mon Oct 12, 2020 3:52 am
Forum: Instrument Builders Forum
Topic: Tornavoz
Replies: 4
Views: 376

Re: Tornavoz

This is a bit woolly but I remember a thread on the Delcamp forum some time back about tornovozes and my impression was that they really didn't do much that was useful to the sound. I remember Alan Caruth who is a very reliable source discussing what exactly a tornovoz does. It could be worth your w...
by Dave M
Mon Sep 28, 2020 1:45 am
Forum: Instrument Builders Forum
Topic: Repair in Melbourne
Replies: 2
Views: 333

Re: Repair in Melbourne

Thanks Trevor. D
by Dave M
Sun Sep 27, 2020 9:33 pm
Forum: Instrument Builders Forum
Topic: Repair in Melbourne
Replies: 2
Views: 333

Repair in Melbourne

I have a nephew who needs a SS repair in Melborne - not an expensive guitar - but is having trouble finding one within reach due to the lockdown.

Anybody know of someone near Fitzroy North?
Thanks Dave M
by Dave M
Fri Sep 25, 2020 6:35 am
Forum: Instrument Builders Forum
Topic: Carving necks on the spindle moulder
Replies: 14
Views: 1071

Re: Carving necks on the spindle moulder

Nigel, Nigel what has your spokeshave done to you?!
Dave M
by Dave M
Fri Sep 25, 2020 6:31 am
Forum: Instrument Builders Forum
Topic: Moving Equipment
Replies: 5
Views: 573

Re: Moving Equipment

I remember when I bought my Jet sander (which I think is the equivalent machine) it came with two blocks of wood as spacers which I carefully stored. But of course I can't now for the life of me remember where they were used! I would just add that if the people you are employing are ordinary furnitu...
by Dave M
Fri Sep 25, 2020 6:20 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: Reducing BOBO neck weight
Replies: 12
Views: 2512

Re: Reducing BOBO neck weight

I was wondering around the forum and remembered this thread from some time ago. Joss did you find any answers to the weight issues around the bolt on/off neck joint for a flamenco?

I am still using the simple bolt on joint - really just avoiding the accuracy issues of the full monty

Cheers Dave M
by Dave M
Wed Sep 23, 2020 1:48 am
Forum: Instrument Builders Forum
Topic: double bass responsive back bracing
Replies: 1
Views: 339

Re: double bass responsive back bracing

Falcate bracing on a bass. Who'd have thought! Dave
by Dave M
Sun Sep 20, 2020 1:31 am
Forum: Instrument Builders Forum
Topic: Classical Guitar Tuners Creaking and Binding Up
Replies: 13
Views: 1116

Re: Classical Guitar Tuners Creaking and Binding Up

As Martin says it is often that the holes are a bit tight on the rollers, but also if the spacing between rollers isn't quite right (and there will be a tolerance on the manufacture of the tuners) then that will give you grief. A careful examination of the rollers as you insert them into the holes m...
by Dave M
Tue Sep 15, 2020 1:29 am
Forum: Instrument Builders Forum
Topic: Guitar bridge as a brace
Replies: 4
Views: 1076

Re: Guitar bridge as a brace

Adding another question to this. I had got used to making short bridges for my classicals - around 150 rather than the more traditional 190 mm or so. However I have moved to fan bracing based on Torres' SE114 and the short bridge did not intersect the last but one fan braces. I really wasn't sure if...
by Dave M
Mon Sep 07, 2020 1:48 am
Forum: Instrument Builders Forum
Topic: Long time no build
Replies: 52
Views: 5844

Re: Long time no build

Glad to see the house is going well Martin. Looks very smart. I'm sure you'll be glad to put down the hammers, plaster floats and paint brushes and pick up some finer tools.

Dave M
by Dave M
Thu Sep 03, 2020 5:42 am
Forum: Instrument Builders Forum
Topic: Sanding Sealer
Replies: 7
Views: 961

Re: Sanding Sealer

Thanks guys. It is nice to know that warming the material is a pretty common thing. Although we are not too cold yet here in the UK the particular space I have the spraying gear in is pretty cool. I will continue with the warming regime. Indeed it might be the one thing after playing with dilution w...
by Dave M
Wed Sep 02, 2020 6:11 am
Forum: Instrument Builders Forum
Topic: Sanding Sealer
Replies: 7
Views: 961

Re: Sanding Sealer

Thanks Allen I have finally appreciated what you say about getting the surface right before you start, And Ross I am also keen on nitro. More so lately when I had to remove a coat on the top of another guitar. It is seriously tough, which I think one wants on an instrument that is constantly handled...
by Dave M
Tue Sep 01, 2020 5:21 am
Forum: Instrument Builders Forum
Topic: Sanding Sealer
Replies: 7
Views: 961

Sanding Sealer

In a continual effort to try to improve my nitro spraying technique (it's really not going that well) I went through Robbie O'Briens video course recently. He suggests a fairly serious sander sealer coat before using the finishing clear coat. Indeed he seems to ladle it on with a spoon! He aims to h...
by Dave M
Tue Aug 18, 2020 1:51 am
Forum: Instrument Builders Forum
Topic: Still not getting the sound I want...help!!
Replies: 40
Views: 3863

Re: Still not getting the sound I want...help!!

There is a slight ambiguity in section 6.2.

Without wishing to state the obvious... There are the three tests required - long, cross, and twist. But for each one you do the usual ten taps, filling the ten buffers in VA which then averages the result.

You've probably already sussed this.

Dave
by Dave M
Mon Aug 17, 2020 2:54 am
Forum: Instrument Builders Forum
Topic: Still not getting the sound I want...help!!
Replies: 40
Views: 3863

Re: Still not getting the sound I want...help!!

In terms of tapping, it is worth checking you have done the setup correctly as per the book. Such things as the FFt size and the number of buffers in the spectrum capture tab. It takes a bit of practice to get the ten taps timed right. You can see each buffer appearing as a block of colour in the ca...
by Dave M
Mon Aug 17, 2020 2:41 am
Forum: Contemporary Acoustic Guitar Design and Build - Trevor Gore
Topic: More Thoughts on Spectra with VA
Replies: 0
Views: 475

More Thoughts on Spectra with VA

old style small.jpg Having rewatched Trevor's video on Sprectrum analysis and wanting to improve my technique I have been revisiting the use of VA. First I went and downloaded version 9 as Trevor suggests. One big advantage over the 2011 one I had been using is that you don't get the scope picture ...
by Dave M
Wed Aug 12, 2020 2:35 am
Forum: Instrument Builders Forum
Topic: Still not getting the sound I want...help!!
Replies: 40
Views: 3863

Re: Still not getting the sound I want...help!!

Bridge rotation is described in the build vol section 4.4.2. (1st edition) Whoever suggested marking the relevant sections in the books is dead right. Mine bristle with post-it notes! If you do go for using carbon fibre I bought mine from Easy Composites in the UK. They sell a plain weave 3 K cloth,...
by Dave M
Mon Aug 10, 2020 2:30 am
Forum: Instrument Builders Forum
Topic: Still not getting the sound I want...help!!
Replies: 40
Views: 3863

Re: Still not getting the sound I want...help!!

Dave that must be very disheartening, and I admire that you are still trying. As an amateur, as with so many others, my early attempts were badly overbuilt. With my classicals I have reverted to a Torres type fan bracing which is very light and a thinner top. This now gives me quite a good sound - n...
by Dave M
Sat Aug 08, 2020 12:32 am
Forum: Instrument Builders Forum
Topic: Removing Lacquer
Replies: 8
Views: 987

Re: Removing Lacquer

I make no claims Cutty. It is Trevor Gore's design for a cradle for use with the binding channel router jig. The idea to use it finally came to me after I had chased the box around the bench for a while !
by Dave M
Fri Aug 07, 2020 2:06 am
Forum: Instrument Builders Forum
Topic: Removing Lacquer
Replies: 8
Views: 987

Re: Removing Lacquer

Richard I go for nitro for it's wear resistance, this one in particular being a steel string. The binding is made from strips cut from the side so is a good match. The purfling is maple, cut roughly to size on the bandsaw then taken to size on the thickness sander. I keep trying different binding/pu...