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Posted: Sun Oct 31, 2010 5:54 am
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tyronne wrote:
Could you explain the "casting" method Ceri?

Sure. Well, the home maker doesn't have access to injection moulding techniques, but there is another way. Essentially, the following is almost identical to how you make a surfboard, but on a tiny scale.

1. Take your mould. (Mould making is a skill in its own right. So happens I plan a thread where I'll be doing some of that soon - wait and see...)

2. Mix some resin with the colorant and spread it thinly over the inside of the mould. This is known as a "gel coat".

Image

Image

3. For surfboards you then re-enforce that gel coat by laminating glass fibre and resin layers onto the inside of it. We don't need that step here.

4. Drop the pickup electronics into the hollow space within the gel coat lined mould.

5. Pour in neat resin to fill the space.

6. De-mould. We now have the finished pickup as a solid casting with the innards embedded inside.

tyronne wrote:
I'm thinking you "dip" the windings in a liquid metal and let it sit.
(I'm thinking like dipping chocolates...it's Halloween here so ...) Obviously, that can't be how it's done!

You have in mind "wax potting", right? Early on pickup makers discovered the tendancy of pickup windings to become microphonic, so to prevent it they took to coating the coils in wax. Done by dipping the pickup into a vat of molten wax. Here is an amateur rig for doing just that:

Image

However, there is no reason why it has to be wax. In the process I suggested above the resin does exactly the same job. The only difference is that it cures completely solid so the coils can't be taken apart again later. If the pickup fails the user will just have to buy a new one. That ain't so bad - and in real life pickups don't fail very often.

Cheers - C


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Posted: Sun Oct 31, 2010 6:33 am
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Wow Ceri, great stuff!

Ceri wrote:
Even with a lipstick based design people would still want to vary the height between treble and bass, do you think? So then we'd still need adjustment screws at either end with the rubber grommets beneath - or is there another way?

One rail possible?
Image

Image

(Sorry not better paper at hand - that is an ex-paper bag I got w/ some postcards the other day.)

going into Deep Thought mode, hope I come up with more than "42" Image

See ya!

-Nutter


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Posted: Sun Oct 31, 2010 6:40 am
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HA! Suddenly it's like Leonardo da Vinci's workshop round here! :D

A monorail system, huh? Hadn't thought about that - but I like it! To make it work we'd need some tiny, precise, custom made metal parts, which is above my pay grade. But no doubt it could be done.

Plenty more thought needed to make an elegant joint. Hmmm.

Whatever; this is the value of group brainstorming, right?

Carry on! 8)

Cheers - C


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Posted: Sun Oct 31, 2010 8:34 am
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[Later]
The_Nutter wrote:
One rail possible?

(Sorry not better paper at hand - that is an ex-paper bag I got w/ some postcards the other day.)

S'all right: I have paper.

So, fresh from the Pre-Viz department:

Image

A monorail system. A tubular rail embedded in the wood has a slot along the top of it. We can route the channel for that with a "ball groover" cutter, like this:

Image

That channel enters from the neck pocket, and so does the submarine shaped piece that runs inside it. The conning tower of that submarine rises to a little plate which is cast into the underside of the pickup during the moulding process previous described.

The width of the slot permits a modest side to side turning motion of the submarine and the pickup above it. It is locked into place with one or two hex-topped grub screws, show.

There ya go. Now: how the heck does the wiring hook up?

And Nutter, at what point are you going to email Ulrich Teuffel and get him on board with this project? Because I suspect we need his metalworking skills for some of this...

Cheers - C


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Posted: Sun Oct 31, 2010 8:38 am
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Out of the box thoughts...

How about adjusting pup height from the back side of the guitar? If we're thinking of hiding the screws. Or are we still looking at a sliding pup config?

The rails could be a flexible material for electrical connections. Do they make soft copper?

Oooooo...just thought of toy train tracks...those could be the rails.

OK, no more coffee for me. :)

Thanks for the "casting" lesson, Ceri.

-T

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Posted: Sun Oct 31, 2010 8:46 am
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:arrow: Ceri: Yep Nifty. I was hoping the whole rail would tilt so the PU could slide while playing or "on the fly" - is that still possible with the small adjustment screws locking into the tube? I'm confused - I need tea.

:arrow: tyronne: Great shot, mate, good idea with the toy train! Image

- Nutter

PS I could get in touch with Teuffel, though I have the odd feeling he'd be more inspired by us than we would by him! :lol: Is that what we want? Image


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Posted: Sun Oct 31, 2010 8:55 am
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The_Nutter wrote:
:arrow: Ceri: Yep Nifty. I was hoping the whole rail would tilt so the PU could slide while playing or "on the fly" - is that still possible with the small adjustment screws locking into the tube? I'm confused - I need tea.

:arrow: tyronne: Great shot, mate, good idea with the toy train! Image

- Nutter

PS I could get in touch with Teuffel, though I have the odd feeling he'd be more inspired by us than we would by him! :lol: Is that what we want? Image


Turn the toy train tracks upside down and you have your "T" .
-T (pun intended)

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Posted: Tue Nov 02, 2010 11:10 am
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Hey ripitup: I LIKE your mind! I'll be looking at that doner spit thingie a whole new way next time I'm in the kebab shop. 8)

Cheers - C[/quote]

:) Ello everybody peeps, Stavros here, you wanna stairway to de heavens wif it ora peehaps you likka smokey on da water eh


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Posted: Sat Nov 27, 2010 7:37 pm
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The toy train rail idea is a good one. I would suggest O Gauge Lionel Tubular Track. (lol I'm a model train nut as well as a guitar nut)

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Posted: Sun Nov 28, 2010 5:19 am
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[quote="nikininja"]When I was a kid I was in a country band. The bassist had a Gibson bass with a sliding pickup............
Well I certainly can't deny all this talent being applied to a problem but does anyone remember the ancient DeArmonds which, on an acoustic guitar, would slide along a bar afixed to either directly to the neck, or via a bracket between the bridge and the tail piece?

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Post subject: strat
Posted: Sun Nov 28, 2010 12:41 pm
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ok, ive been dropping in and out of the forum, busy @ work :wink: .

how did i miss all this?

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Posted: Sun Nov 28, 2010 12:47 pm
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Ceri wrote:
[Later]
The_Nutter wrote:
One rail possible?

(Sorry not better paper at hand - that is an ex-paper bag I got w/ some postcards the other day.)

S'all right: I have paper.

So, fresh from the Pre-Viz department:

Image

A monorail system. A tubular rail embedded in the wood has a slot along the top of it. We can route the channel for that with a "ball groover" cutter, like this:

Image

That channel enters from the neck pocket, and so does the submarine shaped piece that runs inside it. The conning tower of that submarine rises to a little plate which is cast into the underside of the pickup during the moulding process previous described.

The width of the slot permits a modest side to side turning motion of the submarine and the pickup above it. It is locked into place with one or two hex-topped grub screws, show.

There ya go. Now: how the heck does the wiring hook up?

And Nutter, at what point are you going to email Ulrich Teuffel and get him on board with this project? Because I suspect we need his metalworking skills for some of this...

Cheers - C


love this idea,
by the way, you are really good with charcoal and paper. A+ in your ART class.
suggestion, brainstroming this, as i kid i used to build crossbows out of rubberbands and wood.
very midevilish but how bout putting a trigger system to launch the pickup
into the next level. or a lever with opposing leverage.
in all this, i havent understood how the pu itself will move from position
to position without sticking your fingers between the strings?

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Post subject: Re: strat
Posted: Sun Nov 28, 2010 2:26 pm
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bluesstrattone wrote:
ok, ive been dropping in and out of the forum, busy @ work :wink: .how did i miss all this?

Asked and answered it appears. :wink: Stayed tuned. :idea:

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Post subject: Re: Andybighair's Big Hairy Strat Build. FINISHED!
Posted: Wed Feb 02, 2011 3:37 pm
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I have to admit that i surf the forums all the time but am rarely brave enough to comment. In this case i HAD to say that this is one of the sweetest threads I've ever seen.

Andy, I am soooo jealous. Musta been a great time. Definitely had an awesome outcome!!!

-Dustin


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Post subject: Re: Andybighair's Big Hairy Strat Build. FINISHED!
Posted: Wed Feb 02, 2011 7:32 pm
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dgnutsch wrote:
I have to admit that i surf the forums all the time but am rarely brave enough to comment. In this case i HAD to say that this is one of the sweetest threads I've ever seen. Andy, I am soooo jealous. Musta been a great time. Definitely had an awesome outcome!!!-Dustin

Welcome aboard. Now you have a new leisure time activity. If you think Andy's thread is something, and it certainly is, you'll need to find and read Ceri's rebuild of a burned out Strat body. It's jaw-dropping.
Doc :wink:

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