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Addicted Rugracer
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Has anyone successfully chipped an Arbath 500 for SSD and if so what chips will work?

I did check the chipping database but couldn't find anything.

How about fitting lights?

I really like the look of these cheeky little beasts and think they could be a good option for a one-make theme but only if they can be chipped without issues.

Thanks,

Martin
 

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Addicted Rugracer
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335 Posts
Discussion Starter · #2 ·
Or perhaps a more direct question;

Is the Scalextric C7005 up to handling the motors in these?

Seems like a C7005 Retro Chip with a Sure change guide might be a good way to go if the chip is man enough for the job.
 

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Addicted Rugracer
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Discussion Starter · #7 ·
Well, in order of cost ...... you could chance your arm or have the C7005 uprated or buy an SP15B
As it happens I have a C7005 and a SP15B in stock.

So I could give either, or both, options a try.

What's involved in getting the C7005 uprated?

I think I also need to track down an online supplier for LEDs and ferrite man components.

That's the problem with a new hobby; building up stocks of all the bits and bobs that more seasoned members always have to hand. :)
 

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Addicted Rugracer
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Discussion Starter · #9 ·
Changing the MOSFETs marked PO3 & NO2 gives you the equivalent to an SP15B.

If you want more power, ~15%, change the diodes from silicone ones to Shottkys ...... this can make the car a bit of a beast though .......
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Very cool.

I don't have the dexterity for that kind of SMD rework any more though so that's not a DIY project for me.

More power: probably a little premature, I've still got my L-Plates on.
thumbsup2.gif
 

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Addicted Rugracer
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If it blows, you can always send it to GregK for the upgrade.
I've only just found GregK's chip repair thread.

Good to know that's an option.

If you want to make a racing set, keep them all 500s.
Yes, this is the plan.

Magless 500s look like they should be great fun.
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Update:
I've decided to give one a try and see how it goes.

Have now ordered

  • NSR Arbath 500 (Martini livery)
  • 103 Caps
  • Ferrite Cores
  • An assortment of Bright White, Warm White and Red LEDs. (typically, I only had blue and green LEDs in the parts bin)

I already have a C7005 and a SP15B.
Just need to order the SureChange guides and then wait for the postman. :)
 

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335 Posts
Hi Richard,

I've plenty of resistors although they're probably the wrong power rating, the smallest I have are probably 1w.

I'll experiment to find a suitable brightness then buy a bunch of small low power resistors from Maplins if I don't already have something suitable in the stash.

Thanks for the starting values, much appreciated.
 

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335 Posts
One of the Arbaths arrived and after 30 mins or so running in analogue mode I knew it was going to be fun so time for chipping!

Most of the parts I need are still in the post but I can fit the chip for now and get some digital running.

The original plan was to fit a Slot.it chip with the IR LED mounted in a SureChange guide but that plan was scuppered when I discovered that the ARC Pro won't count laps if the LED is in front of the guide.
wacko.png


A Plan-B was required, so now I'll fitting the Slot.it chip flat on the bottom of the chassis with it's onboard IR LED in the traditional position and a second LED in the SureChange guide.

So first up I disassembled the chassis, and measured where the chip would fit.

I then carefully removed the magnet holders from the motor mount with a side cutters and scalpel, leaving just enough plastic to locate the board.

39832999965_61edcfc809_c.jpg
2018-03-10 13.23.23 by Martin Fay, on Flickr

The chip fit sits snugly into the remaining space with the LED located over the front hole of the motor mount.

40018046564_9a39f30ecb_c.jpg
2018-03-10 13.48.48 by Martin Fay, on Flickr

While I had the car apart I gave the front tyres a clean with IPA and a coat of Tamiya Semi-gloss clear. Then I refitted the motor mount. For the moment I just backed the mount screws off a half turn to leave a little float.

I didn't refit the magnet as this one will be mine.

39833001085_077c9d9eca_c.jpg
2018-03-10 14.04.06 by Martin Fay, on Flickr

And here we are all reassembled.

26856685378_e94e008f67_c.jpg
Arbath Martini by Martin Fay, on Flickr

Hopefully by next week I'll have the guides and lighting components in hand and can complete the job.

Oh, and I guess I should heat shrink that ferrite man. :)
 

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Addicted Rugracer
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Discussion Starter · #24 ·
if there's any chance you'd run the car on any track other than an ARC-Pro track then 2 working LEDs would be a problem.
I only run analogue or ARC Pro at home so for me that wouldn't be an issue.

The onboard could be covered with a small tab of masking tape if I wanted to run on SSD.

At the end of the day I don't "need" to run with a surechange guide, but it'd be nice to get it working with ARC Pro.
 

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Discussion Starter · #34 ·
Nice work on the chipping, Martin ......
thumbsup.gif
.... have you thought about adding post #15, in it's entirety, to the Scalextric Chipping Database so that others may benefit from it?
Thanks Greg.
I've added the post to the chipping database.
 

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Addicted Rugracer
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335 Posts
Looking good Martin.
Im waiting to see how the lights turn out, I like Lights.
Any thoughts of a ferrite man on the front, from guide to chip?
Some install them and some don't.

Shad
I'm waiting for ferrites to arrive.
The car runs fine as is but I can't see any harm in having two.
I'll probably try one car with and one car without for a side by side comparison.
 

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Addicted Rugracer
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Some of the goodies required have arrived so...

The ferrite man on the motor has been insulated for peace of mind and I added a second ferrite man to the pickups.

I've also fitted the SureChange guide but won't be using it to locate the IR LED for the moment.

39965854105_47816e7d6f_n.jpg
2018-03-17 14.26.24
by Martin Fay, on Flickr

The Martini now has an evil twin brother.

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Terrible Twins
by Martin Fay, on Flickr

Since my ARC Pro powerbase is winging its way back to Hornby my daughter (5) and I have been wazzing these about on a bog stock analogue starter set figure-8 and they're an absolute hoot. If I run magless and she has the magnets fitted daddy can have a bit of fun too!
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SWMBO has decided that she likes the Italian one so I may just have to invest in a third so that we have one each.

I have the LEDs to start fitting lights but still need to pick up some wee connectors and diodes to wire them up.

I was also thinking that I might fit a different coloured LED inside each one so that it's easier to tell them apart in low light.

Red, Green and Blue would be easy to do. Thoughts?
 
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