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Go Back   Madabout Kitcars Forum > Mad Build Area > Marlin Sportster, Cabrio, Berlinetta and Roadster builds

Marlin Sportster, Cabrio, Berlinetta and Roadster builds Enthused or Confused about your vintage Marlin build? Ask away here or show off your build.

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  #461  
Old 28th November 2012, 15:16
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No John - I was punning on the McLaren cartoon I linked to. Professor M's catch phrase is 'Oh no, It's happened again'

I was referring to my Magpie shiny acquisition tendencies.
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  #462  
Old 28th November 2012, 17:33
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Oo shiney nice addition to the engine bay!
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  #463  
Old 28th November 2012, 18:58
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That should look really nice and I like the idea of a 'sight' tube as this always appears to me to be the issue with ali header tanks.
I'm intrigued to see what you have planned to use.
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  #464  
Old 28th November 2012, 20:48
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The sight glass will be two of these:

http://www.ebay.co.uk/itm/1209696262...84.m1497.l2649

Linked with either an acrylic, polycarbonate or borosilicate tube, depending on what I find. Polycarbonate is looking to be as rare as hens teeth in 8mm OD, and I'm waiting to here back from a glass stockists about the borosilicate. I need to know how tough it'll be, and wether it would withstand being pushed into the connectors.

Acrylic is the easiest find - loads of places do it. But I'm not sure if it will withstand the temps involved. I've got a piece on order, and I'll cut a bit and test it in some boiling water to see if it does anything.

I could be worrying about nothing - I've never seen engine temps past 88c, and the fluid in the header tank is cooler than that in the main circuit

I also plan on making a little plate that will sit behind the glass held in place by the pipe fittings, which will have a max fill line scribed on it.
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  #465  
Old 28th November 2012, 22:33
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Quote:
Originally Posted by GreatOldOne View Post
The sight glass will be two of these:

http://www.ebay.co.uk/itm/1209696262...84.m1497.l2649

Linked with either an acrylic, polycarbonate or borosilicate tube, depending on what I find. Polycarbonate is looking to be as rare as hens teeth in 8mm OD, and I'm waiting to here back from a glass stockists about the borosilicate. I need to know how tough it'll be, and wether it would withstand being pushed into the connectors.

Acrylic is the easiest find - loads of places do it. But I'm not sure if it will withstand the temps involved. I've got a piece on order, and I'll cut a bit and test it in some boiling water to see if it does anything.

I could be worrying about nothing - I've never seen engine temps past 88c, and the fluid in the header tank is cooler than that in the main circuit

I also plan on making a little plate that will sit behind the glass held in place by the pipe fittings, which will have a max fill line scribed on it.

hmmm....nice fittings. Whatever you choose also needs to withstand the pressure as well but at 8mm OD I guess it's going to be fairly strong.
If you solve the problem you could have a very marketable product since I've not see a header tank with a sight tube!
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  #466  
Old 29th November 2012, 07:00
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Pressure shouldn't be any more than 20psi, as that's what the cap is read for (1.4 bar)

Speaking of caps, I've got these for the tank:

http://www.ebay.co.uk/itm/2907187354...84.m1497.l2649

http://www.ebay.co.uk/itm/1506652712...84.m1497.l2649

To replace the plastic BMW cap.

As for marketing it - if it helps anyone else out, I'm more than happy to let it go open source.
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  #467  
Old 29th November 2012, 08:15
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Quote:
Originally Posted by GreatOldOne View Post

Speaking of caps, I've got these for the tank:

http://www.ebay.co.uk/itm/1506652712...84.m1497.l2649
That ebay supplier has lots of nice things...

...like chrome plated electric radiator fans and chrome plated alternators
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  #468  
Old 29th November 2012, 08:19
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You, sir, are evil. And you know it.
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  #469  
Old 29th November 2012, 11:16
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Quote:
Originally Posted by GreatOldOne View Post
You, sir, are evil. And you know it.
(and I don't mean "lots of love"!!)
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  #470  
Old 9th December 2012, 19:06
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Yet another winter project...

http://www.ebay.co.uk/itm/1810349514...84.m1497.l2649

+

http://www.ebay.co.uk/itm/1408906413...84.m1497.l2649

= more fun in the garage!

I am seriously impressed with Racelogic. It's a second hand unit, but the amount and quality of the support I've had from them you'd think It was brand new, purchased direct. They're sending me a set of new connectors so I can re- wire the loom, and the programming interface cable so I can tweak the TC parameters.

Fitting looks like it'll be a doodle - the difficult part is putting the adjuster somewhere where I can make adjustments easily, but not have it look out of place. My initial thoughts are under the handbrake on the tunnel, with a nice engraved plate with the parameters on it.

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  #471  
Old 9th December 2012, 19:34
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looks like a fun project, look forward to hearing what it's like when fitted
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  #472  
Old 11th December 2012, 11:51
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Spot the difference:





Next up for the polshing mops? The air intake manifold / plenum.
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  #473  
Old 11th December 2012, 12:33
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Probably about the best thing to do when it's this cold.

BTW You missed a bit

Robin
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  #474  
Old 11th December 2012, 16:12
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Where? Where! WHERE!
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  #475  
Old 11th December 2012, 18:12
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Now if I tried to get away with putting a dirty smelly piece of my car next to that lovely cake, I would never be forgiven. All my brownie points would be gone for a year.

How did you manage it ?
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  #476  
Old 11th December 2012, 18:56
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mmmm brownies
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  #477  
Old 11th December 2012, 21:50
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Quote:
Originally Posted by denniswpearce View Post
Now if I tried to get away with putting a dirty smelly piece of my car next to that lovely cake, I would never be forgiven. All my brownie points would be gone for a year.

How did you manage it ?
The cake is hermetically sealed, and is around 50% proof. If anything had got on it, it would have evaporated.

Quote:
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mmmm brownies
Nope. Christmas cake soused in single malt. Yummmm.
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  #478  
Old 15th December 2012, 16:47
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Spent the afternoon cleaning up the ABS sensors, chopping the cables down and replacing the old BMW ABS connectors with new waterproof AMP connectors.



I'll be getting the correct twin core cable to make up the runs from each wheel back to the cockpit and the TC Controller.
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  #479  
Old 19th December 2012, 17:31
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Santa came early this year, and dropped this off:











The chap who made it for me to my designs (see earlier) has done a great job. All I needed to do was add the float switch, pressure cap and the sight glass fittings.

Shame christmas is going to get in the way of me fitting it.
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  #480  
Old 20th December 2012, 10:23
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Aha, Pauline will be so pleased with her new coffee machine!
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