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Topic: Focal Beryllium BMW
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robolop Joined: October 26, 2008 Posts: 139 |
| Posted: September 14, 2009 at 1:31 PM - IP Logged |
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This will be the front of the amplifierbox. First I made a model in 5mm thick MDF.

 Drawed it out on the aluminum of 10mm, and saw into it.  Taped the MDF plat onto it, and tomorrow, it’s mill-time

In the meanwhile I’m baking some carbon cookies in the oven. The alu piece that will come onto the front of the box, is finished! Cut out the wholes with the uppermill. 


This time I tried GT7 as lubricant, and I must say I’m very satisfied about this product! 
Here I grabbed out some more mm’s between the wholes 

This is the back side. You can see I grabbed out some more mm’s over the entire surface. 
Here in will come a carbon piece, with my logo on it. Once finished, I spent a big amount of time rubbing it all down. 
Afterwards, held the piece under the polish-brush so it shines a bit 



The small piece of carbon fibre, that’ll come on the back, is baking as we speak. |
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robolop Joined: October 26, 2008 Posts: 139 |
| Posted: September 22, 2009 at 11:40 AM - IP Logged |
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The cover of the amplifier got a total of 6 layers of varnish. I also used new epoxy, wich I find not so good. There came a lot of little holes in the carbon fiber. Cause there is so much varnish, I had to rubb it all flat and equal with the block. Here you can see how much is really on there. 


After some firmly rubbing with a 2000, I started on the aluminum. Cause of the rubbing, it got mat here and there. Had to do this by hand, and used some UNIPOL for this. 
Offcourse, the result here is not what it was before. Using a machine would made this 10 times better. After this I polished the carbon fibre. 


Finally, the final result of this piece. 
The hard part of this piece is that the transition needed to be descent, and it came out well. 
Mounted the rings again. 






For those who think this is done… you can forget it. Before I began covering the alu plate with carbon fibre, I mesured it. The alu plate was 8.2mm thick. Now with the carbon layer on it’s 9.7mm thick. That means that everything came up 1.5mm…So the plexi won’t fit that nice anymore.So I have to shorten the rings/toggles about 1.5mm |
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fabilichus Joined: September 24, 2009 Location: Norway Posts: 1 |
| Posted: September 24, 2009 at 7:49 PM - IP Logged |
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I have to give u alot of credit. The work u have done looks amazing !
I wish im gonna get the skills to make something half as nice as u did.
Question,
How do you get carbonfiber so shiny ?
Could u maybe make alittle how to on that ? ___________________________________________ My Porsche 944 im not making alof of monney so it take some time for me to build it up realy nice and gonna be a show car in the end. |
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robolop Joined: October 26, 2008 Posts: 139 |
| Posted: September 28, 2009 at 5:08 AM - IP Logged |
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I got the chance to finish the aluminum sides of the amplifier-box. You’ll see that I made the same wholes into the upperside, like there are in the toggles where the plexi is on. 

It’ll look like this on the outerside. 
Here it’s mounted on to the box. You can see I put some fine gauze on the top. Later I’ll explane why I did this. Behind the 5 wholes in the bottom there’s a piece of carbonkevlar. 

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robolop Joined: October 26, 2008 Posts: 139 |
| Posted: October 15, 2009 at 12:54 PM - IP Logged |
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Here some pics of the aluminum toggles I made. These come on the Left en Right of the amplifier, and serve to tighten the plexi pieces on the sides. Remember this? 
These two won’t be visible.  
Of these, you’ll only see the upperside. You can also see I screwed a little piece of MDF on the inside. That’s were the plexi will lay on to. 


This will get into the back. Again, you will only see the upperside. Also you can see I knocked in an aluminum nail. This will come between the plexi, a little hard to explain really. But you’ll see what I’m trying to say.
 

In total, I had a lot of work making this, specially trying to fit and finish it in a descent way. Getting into the trunk 20x a day, for messuring and trying. I’m going to be so happy when the amplifierbox is finished. |
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robolop Joined: October 26, 2008 Posts: 139 |
| Posted: October 15, 2009 at 12:56 PM - IP Logged |
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This part will get underneath the amplifier. On the bottom there’s a mirror of 4mm thick. The meaning is that you can look into the amplifier through the mirror, when the amplifier gets up. Don’t forget I’m going to open the amplifier so you can see all of it’s components. Here a picture of how I pictured it before….

 This is the plate, finished.
 The sides will get on the same level/height as those from the amplifier. 

The upperside I polished, and the sides are brushed aluminum.
 Here you can see I planned a little grill in there. This is the inside, where you won’t see anything.
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asquarecan Joined: November 25, 2008 Location: Oregon, United States Posts: 65 |
| Posted: October 20, 2009 at 10:22 PM - IP Logged |
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Hands down some if not the most impressive work I have ever seen!
If you are located anywhere on the west coast I would love to see this thing in person!
Great work!
Keith |
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KarTuneMan Joined: December 14, 2004 Location: Isle Of Man Posts: 7,091 |
| Posted: October 24, 2009 at 10:19 AM - IP Logged |
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fabilichus wrote:
I have to give u alot of credit. The work u have done looks amazing ! I wish im gonna get the skills to make something half as nice as u did. Question, How do you get carbonfiber so shiny ? Could u maybe make alittle how to on that ? |
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You won't get any answer to your question.... I tried a page or so back to ask a question as well.... no reply. |
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j.reed Joined: January 05, 2009 Location: Arkansas, United States Posts: 716 |
| Posted: October 30, 2009 at 5:57 PM - IP Logged |
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KarTuneMan wrote:
fabilichus wrote:
I have to give u alot of credit. The work u have done looks amazing !
I wish im gonna get the skills to make something half as nice as u did.
Question,
How do you get carbonfiber so shiny ?
Could u maybe make alittle how to on that ? |
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You won't get any answer to your question.... I tried a page or so back to ask a question as well.... no reply.
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From the looks of his 70+ posts all have been of posting pics with a little description and nothing more. I'm with you guys this is a simply amazing install. But i would not expect anything other than more posts of pics. Sucks too because there is a lot that could be learned from an installer of this level. ___________________________________________
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i am an idiot Joined: September 21, 2006 Location: Louisiana, United States Posts: 10,434 |
| Posted: October 30, 2009 at 6:52 PM - IP Logged |
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| The bottom cover of that amplifier is a critical part. It is what holds the transistors firmly against the heat sink. If you are leaving the cover off of the amp, you need to somehow secure the transistors to the heat sink. |
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