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Author Topic: Sega Nascar Racing conversion  (Read 1257 times)

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fablog

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Sega Nascar Racing conversion
« on: September 19, 2020, 07:25:42 pm »
I bought a Sega Nascar Racing cabinet in a good shape for a 20 years old cabinet. 400$ CAD shipped (approx 300$USD).












I will follow this exact same project on Youtube to restore mine and convert it to a PC cab.




« Last Edit: September 19, 2020, 09:31:47 pm by fablog »

yellowmustard

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Re: Sega Nascar Racing conversion
« Reply #1 on: September 20, 2020, 08:07:55 am »
nice project, the one from Pascal?

fablog

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Re: Sega Nascar Racing conversion
« Reply #2 on: September 20, 2020, 12:06:12 pm »
nice project, the one from Pascal?
Yes it is. Nice guy!

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fablog

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Re: Sega Nascar Racing conversion
« Reply #3 on: September 21, 2020, 09:55:05 pm »
I tried to clean the seat today but couldn't get a good result. What product do you recommend?

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nipsmg

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Re: Sega Nascar Racing conversion
« Reply #4 on: September 22, 2020, 08:44:35 am »
I tried a magic eraser (like everyone recommended) and had no luck on my seat for my SF Rush the Rock cabinet.

My best results (believe it or not) were with Chlorox (bleach) cleaning spray and a paper towel.  Spray on, let it sit for a minuet, then scrub.  Use a little pressure to get into the crevices.

fablog

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Re: Sega Nascar Racing conversion
« Reply #5 on: September 23, 2020, 12:12:54 pm »
No discoloration?

Howard_Casto

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Re: Sega Nascar Racing conversion
« Reply #6 on: September 23, 2020, 04:44:17 pm »
I'd try simple green or a vinyl siding cleaner.

fablog

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Re: Sega Nascar Racing conversion
« Reply #7 on: September 28, 2020, 08:43:19 am »
OK, I will try that!

I cleaned all the cabinet except the cushion seat.











Not so bad for 20 years of dirt:



Vacumed and Power washed:



The final result:





« Last Edit: September 28, 2020, 09:28:54 am by fablog »

fablog

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Re: Sega Nascar Racing conversion
« Reply #8 on: September 28, 2020, 11:32:06 pm »
Just bought a G27. I would like to keep the original arcade shifter and pedals. What do you suggest to do?

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Howard_Casto

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Re: Sega Nascar Racing conversion
« Reply #9 on: September 29, 2020, 01:10:04 am »
Pedals are easy.... they are just pots so swap the current pots out with the ones of the correct value (I think it's 10k for logitech) and wire up a cable....you can plug them straight into your wheel.  For the shifter you'll have to probably make a stand alone interface via arduino or something similar as a logitech shifter uses analog values to determine the shift position while a sega shifter is all digital.  That being said, it's just a straight analog value being sent to the wheel, so it should be fairly easy to write an arduino program to read the switches on the joystick and send the appropriate values, so yes, with extra work, that could probably be hooked straight into the wheel as well.

fablog

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Re: Sega Nascar Racing conversion
« Reply #10 on: September 29, 2020, 08:50:40 am »
Thanks Howard. I know not much about electricity, I'm only able to cut and connect cables  ;D
That being said, reading this thread, it seem's I don't need to swap the pedal's pots: http://forum.arcadecontrols.com/index.php?topic=158631.0
What do you think?

Howard_Casto

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Re: Sega Nascar Racing conversion
« Reply #11 on: September 29, 2020, 03:05:25 pm »
I don't know if the logitech wheels use the pots as a voltage divider or not.  If they do then yes, it should be ok.  You should be able to find pinouts via a google search. 

fablog

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Re: Sega Nascar Racing conversion
« Reply #12 on: October 02, 2020, 09:29:48 am »
I will follow your first advice Howard, It will be easyer to swap the pots. Anyone know what pot I should buy? (any link would be appreciated)

PL1

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Re: Sega Nascar Racing conversion
« Reply #13 on: October 02, 2020, 11:27:07 am »
Anyone know what pot I should buy? (any link would be appreciated)
Long-life versions by Allen Bradley or Honeywell/Clarostat (RV4 series like this 5k one or this 10k one) are getting hard to find and those two don't have a flat on the shaft so you would probably want to cut one with a Dremel.



Another option is to check the manual to see if the original pots were PN 220-5373 or 220-5374 or 220-5484 -- not sure if Divemaster can special order it for you or if you'd have to order it direct from SuzoHapp.


Scott

jennifer

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Re: Sega Nascar Racing conversion
« Reply #14 on: October 02, 2020, 11:36:43 am »
You are not kidding hard to find, them things are like gold anymore, The last ones I bought were like 50.00 apiece...A clever OP could almost buy a used part off E/pay (with the same values of course)or possibly an entire parts machine, and just rob the used pots off of it for about the same money... If you spray them (used carbon wafer) with a contact cleaner, and let dry completly before use (after spinning it back and forth to clean contact) it actually seems to bring them back into values, and prolong its life.
« Last Edit: October 02, 2020, 11:51:37 am by jennifer »

fablog

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Re: Sega Nascar Racing conversion
« Reply #15 on: October 02, 2020, 12:49:50 pm »
Thanks guys but it seem's I have to put a 10k pot, because the pedals will be connected to a G27 wheel.

jennifer

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Re: Sega Nascar Racing conversion
« Reply #16 on: October 02, 2020, 01:51:07 pm »
I think what he is referring to is "Heavy duty", they are a carbon disk, where the cheaper modern versions are impregnated plastic, Not as good, especially with heavy use.

PL1

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Re: Sega Nascar Racing conversion
« Reply #17 on: October 02, 2020, 02:11:47 pm »
Thanks guys but it seem's I have to put a 10k pot, because the pedals will be connected to a G27 wheel.
So . . . the 10k pot on Jameco isn't acceptable?
this 10k one


Scott

fablog

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Re: Sega Nascar Racing conversion
« Reply #18 on: October 02, 2020, 03:14:27 pm »
Scott, what's jameco? Maybe, there's something I don't understand. It seems, I need to swap my 5K pot in my Sega Nascar racing by a 10K pot, because I will connect the sega pedals to my G27 wheel. Is it right?

baritonomarchetto

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Re: Sega Nascar Racing conversion
« Reply #19 on: October 02, 2020, 03:19:26 pm »
From my personal experience I would say get those less than 1 euro potentiometers on ebay or bangood or wherever you want and live well. Those long life pots made sense in a "going to be abused for years, by anyone" arcade cabinet, but for home use you will be fine with the cheaper option ;)

fablog

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Re: Sega Nascar Racing conversion
« Reply #20 on: October 02, 2020, 06:32:52 pm »
From my personal experience I would say get those less than 1 euro potentiometers on ebay or bangood or wherever you want and live well.

Thanks  :)
Other than the ohms, what specs I should look for?

Howard_Casto

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Re: Sega Nascar Racing conversion
« Reply #21 on: October 02, 2020, 11:50:14 pm »
Get linear taper and not audio taper.  It's also nice to get the same turning radius, but that can prove impossible and you can calibrate your pedals anyway so I wouldn't worry about that too much.

baritonomarchetto

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Re: Sega Nascar Racing conversion
« Reply #22 on: October 03, 2020, 03:36:54 am »
What Howard said. Linear potentiometers are those labelled "B".

PL1

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Re: Sega Nascar Racing conversion
« Reply #23 on: October 03, 2020, 06:06:49 am »
If the original pots are still good, use them.
- No need to replace them unless they are not working properly.

Scott, what's jameco?
Guess you missed the links.   :dunno

It's an electronic supply company that currently has Clarostat/Honeywell RV4 series pots available.

https://www.jameco.com

5k pot - https://www.jameco.com/z/RV4NAYSD502A-Clarostat-Honeywell-22mm-Linear-Taper-Potentiometer-5K-Ohm-2-Watt-10-_13995.html

10K pot - https://www.jameco.com/z/RV4NAYSD103A-Clarostat-Honeywell-22mm-Linear-Taper-Potentiometer-10k-Ohm-2-Watt-10-_13952.html



There's also the option of this Sega pot from SuzoHapp. (It may be the same pot in your cab -- check the manual to verify)

https://na.suzohapp.com/products/driving_controls/220-5373

Divemaster's arcadeemulator.net site sells SuzoHapp products.  You might consider asking if he can special order them for you. (usually lower cost and lower shipping than ordering direct from SuzoHapp)

http://www.arcadeemulator.net/

It seems, I need to swap my 5K pot in my Sega Nascar racing by a 10K pot, because I will connect the sega pedals to my G27 wheel. Is it right?
That was a concern brought up in the G25 thread you linked above, but jonbenderr found that original arcade (5k) pots will work with the G25 system.

Wiring the original gas/brake pots into the g25 system works beautifully!!! 

I don't have a Logitech wheel/pedals so I can't give any specific advice concerning G25/G27 mods, but here are two basic "electronics-101" analog encoder setup options.

- If the pot is in a 3-wire (potentiometer) configuration, it acts as a voltage divider and the encoder is measuring the voltage on the center tab. (wiper)
-- From what I've seen, this is how the G25/G27 pedals are configured.
-- The pot resistance does not have to match the original in this setup.

- If the pot is in a 2-wire (variable resistor) configuration, it acts as a variable resistor and the encoder is measuring the resistance between the center tab and one of the outer tabs.
-- The pot resistance  in this setup must match the original in this setup.


Scott

fablog

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Re: Sega Nascar Racing conversion
« Reply #24 on: October 03, 2020, 10:44:14 am »
Thanks PL1, it's crystal clear!

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fablog

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Re: Sega Nascar Racing conversion
« Reply #25 on: October 16, 2020, 11:04:23 pm »
I'm wondering how to connect my computer to the original speakers (4 speakers with a SW). The problem is I only have a stereo output jack, no spdif output and no empty PCI slot to plug a sound card. I have an old 5.1 Denon home theatre amp. I checked for an USB external sound card but I worried about the amp inside...

Any idea?

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aevans0001

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Re: Sega Nascar Racing conversion
« Reply #26 on: October 18, 2020, 09:59:36 pm »

fablog

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Re: Sega Nascar Racing conversion
« Reply #27 on: October 18, 2020, 10:39:37 pm »
Thanks but I need a 5.1 system.

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fablog

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Re: Sega Nascar Racing conversion
« Reply #28 on: October 18, 2020, 10:42:49 pm »
I found this https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.amazon.ca/-/fr/AmazonBasics-Convertisseur-extracteur-Compatible-Blue-Ray/dp/B07KRWYN4R&ved=2ahUKEwj_j6mJw7_sAhXjQ98KHRDiAzEQFjAAegQIARAB&usg=AOvVaw0_URHqi41MAHuUjh8RQhY7. Do you think it could work with an old Denon AVR. My goal is to get all the audio channels from Teknoparrot Games.

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