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To embarrass myself into finishing something ...

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tv1
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.. if I post it here, then I'll have to finish it!

I've been swamped with work over the past few months, just no time for doing anything else.  

But hopefully I'm through the worst of that now, and I might get some time to do some guitar buildery.

The last body I started to prep - must have been Jan - has split.  Which is a bugger because it was a nice once-piece of Ash.  I think the end was too close to the end of the plank, and with the temperature extremes over the summer, the end of the body split.  Luckily I'd done nothing more than rough cut the body shape, so not a lot of time wasted, but it was a nicely grained one-piece of Ash.

🙁

 

This is a bit of a cheat, but it's my starting place for - hopefully - a build-before-Christmas.

image

I've got a mini-HB for the neck and a stacked Tele bridge p'up.  I'm probably also going to build-in a Graphtech Acoustiphonic kit - just need to get the piezo'd saddles.

Beyond that vague plan, I've not much of a plan.

But I thought, if I post it here, I'll have to get it done!

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Rocknroller912
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@tv101

Is the photo the piece with the split ? I can’t see anything 

Some people call me a tool, others are less complimentary. Tools being useful things.


   
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tv1
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@rocknroller912 - no, the body in the photo is 100% fine.

I'll try to take a photo of the split one, but its not something that salvageable as far as I can see.

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tv1
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I *think* I've settled on a HB in the bridge position, with a standard Tele bridge but cut out for a HB rather than the usual Tele bridge p'up.

Mainly because I think that'll give a neater option for getting the piezo wires from the saddles into a cavity.  

I thought I'd do a quick job and make the template for the cavity for the mini HB in the neck.   Couldn't find my normal box of CNC cutter bits, so used one that I thought "would do".  And it did do, until it didn't do any longer because it snapped.  

Less haste ....

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20220917 163801sml

Can you see what it is yet???

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tv1
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It would have been a lot (*lot*) quicker making this the normal way, but I'm trying to get more comfortable with using the CNC machine.  

To be fair (to me), the CAD'ing bit is fine.  It's just making sure that I create the right toolpaths in the right order and then run them in the right order with the right cutting bits in the machine ...

20220917 165319sml

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Russ
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Hi @tv101,

Is it large enough to make a full body template or a whole neck template? 

🎸🙂🎶🙏

🗝️ "Life's what you make it"🗝️


   
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tv1
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By a strange stroke of luck @Russ - yes it is

😀

 

One day, I might have the time to program a complete guitar into the machine, press go, and then watch it happen. 

For now, it's taking most of my available time to do simple things like this template. 

But, if I can add a few of these separate models together into a complete body design ...

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Russ
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Posted by: @tv101

By a strange stroke of luck @Russ - yes it is

Very nice @tv101. Great Grown-up's toy. 😁 

🎸🙂🎶🙏

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tv1
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Rather than using screws for the neck/body, I'm going to use recessed bolts through the body with captive nuts in the neck.

The neck join area is a bit thick, so 5mm off with the router, and then blend the shelf into body with one of my sharp carving tools.  Well, they used to be sharp.  If anyone has any tips on sharpening gouges ...

20220919 181928
20220919 183526

Next jobs are the fat-belly carve, and then sand that, and the rough carving above.

I don't do everything on the CNC !

 

 

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Russ
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You can use these to sharpen your gouges @tv101..... I've never done it so I don't know how difficult or easy it is.

image
image

🎶🙏🎸🙂

🗝️ "Life's what you make it"🗝️


   
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tv1
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Are those shaped diamond stones (or similar)?  Where did you find them @Russ?

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Russ
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Posted by: @tv101

Are those shaped diamond stones (or similar)?  Where did you find them @Russ?

I saw them on Axminster @tv101. The cone is Aluminium Oxide and the others are Wetstones. 🤷🏻‍♂️ 

🎸🎶🙏🙂

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@tv101

Sharpening gouges depends on whether the bevel is on the inside or outside, known as in cannel or out cannel. I have some of the stones which Russ looked at and they are more used for removing the edge burr than actual sharpening. Machines for sharpening run the opposite way to a grinder, away from the edge which raises a burr then use the stones. 

If you don’t have a machine then sharpen an outside bevel by moving it side to side across a flat stone and a sanding stick with fine abrasive for the burr. I can give you a demo if you want to video call me sometime.

Gouges are not the same as chisels in that they don’t have a micro bevel angle (on a stone) and a grinding angle. It’s just one bevel. Carving gouges usually have the bevel on the outside. Inside bevel is if you want to carve a channel the same shape as the curve of the gouge, like splitting down the grain.

Some people call me a tool, others are less complimentary. Tools being useful things.


   
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tv1
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Posted by: @rocknroller912

I can give you a demo if you want to video call me sometime.

That would probably be hugely helpful Bill - thank you - I'd certainly like to take up that offer.

We could try the Jitsi chat again perhaps - or is there something else that works better for you?

The gouges I'm using have the outside bevel.  I bought a (cheapy) power carver set years ago, and have used it over the years to the stage where just about all of the carving attachments now need some serious sharpening.

This sort of thing;

image

Any tips/tricks/guidance that you can share would be most gratefully received 🙂

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Rocknroller912
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@tv101 

OK we can do a Jitsi call, just give me some advance notice to try setting up my video stand as I’ve had problems trying to get the angle low enough to film my work bench. Also my lights are not great for filming video at night.

I hope your attachments are re sharpenable and not like hard point saws, which are not. If you have an electric drill that you can fix to something solid then that will work with a hard felt wheel on a 6mm bolt, or abrasive on a disc sander. Taking a pic to show the ones I use instead of grinding wheels.

Some people call me a tool, others are less complimentary. Tools being useful things.


   
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954D4E7D 109A 4EB9 A901 95EF790E8B49
B0A8CD29 A0E6 4965 A8C3 FA3E3017E802
1A8CFF1A 5DBA 46ED BA58 5460403B1FDE
D78BF90A 9E36 4BF5 8262 D5ACC1BCB2CA

@tv101 

I have several all with different grades of abrasive attached with NEC tape. Some I made backing plates on a lathe and some I bought cheap flexible rubber backing pads which are made for electric drill.

The solid wood ones I use for shaping acoustic internal bracing to get the curve. It works much better than planing or scraping and gives a good 90 deg surface to the side when used with the lathe bed.

 

 

This post was modified 2 years ago by Rocknroller912

Some people call me a tool, others are less complimentary. Tools being useful things.


   
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tv1
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Let me know when's convenient for you @rocknroller912 - I'm around all weekend if daytime is easier.

From your pics, I think I could make something similar, although it would be vertical where yours is horizontal.  I could use the disc sander attachment in my pillar drill.  Or, if doing it vertically is not a good idea, I could probably make something to be able to clamp a drill horizontally.

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Rocknroller912
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@tv101 

Vertical is just as good I think, but it’s important to see the edge as you are working.  Weekend is probably better as I can get daylight. How does Saturday at 3pm sound. Hope the Jitsi still works.

Some people call me a tool, others are less complimentary. Tools being useful things.


   
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tv1
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Saturday @3 - it’s a date @rocknroller912.

 

I’ll check the Jitsi room still works before then - it’s been a while since I’ve used it.

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