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Author Topic: [Roadtrip] It's not a race (anymore), it's a RALLY  (Read 18697 times)
Etienne MacGyver
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« Reply #75 on: December 09, 2010, 09:31:30 AM »

Just to be very anal, the switch is indeed for the ending score of 11 or 15..

this is the only "dipswitch" in mame and since there is only one switch on the board and it even has the marks of 11 and 15 this must be it

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chrischris
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« Reply #76 on: December 09, 2010, 11:05:44 AM »

Excellent roadtrip with great pics! (yes, what is the brand of that smallest borrowed camera you brought along)?
As I said earlier, I totaly love the look and feel of this cab! ...and the cherry on top is that it landed in your hands... without any doubts you will restore it wonderfULLY ;-)
OK now I shut up and watch and learn.
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Superully
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« Reply #77 on: December 09, 2010, 06:58:37 PM »

Make a pic of the pots and check the value (ohms).

i've finally managed to get those stupid knobs off Twisted

the paddle potis are listed in the manual as 50k pc mount pot - here are the pictures arrow





as you can see, 5k pots were used (without the zero behind it), so i guess that's the value i have to look for.

now the question: where can i get replacement potentiometers with the correct ohm value?
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Level42
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« Reply #78 on: December 09, 2010, 07:20:11 PM »

Wel watta ya knaw, this looks exactly like the SW yoke pots !

I still have my old pots (that were working fine)....
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Etienne MacGyver
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« Reply #79 on: December 09, 2010, 09:01:05 PM »

5K.. , still have one here i think, let me check...

here in our local electric shop they carry them for sure, but maybe you can order them at RS online

they are 5 - 10 €

lookst like a standard pot to me

EDIT:
Nope, the only one i got here is 2M5
The label i got (and have good exerience with) is Piher

The shaft you can cut at the desired length wich can be handy sometimes

« Last Edit: December 09, 2010, 09:09:36 PM by Etienne [NL] » Logged

Robinholland
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« Reply #80 on: December 09, 2010, 09:07:08 PM »

Why new ones ?
Can't you clean them ?
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Superully
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« Reply #81 on: December 09, 2010, 09:16:54 PM »

Why new ones ? Can't you clean them ?

as you can see on the video i posted, the paddles are "jumping", so perhaps replacing them like andré suggested wouldn't be a bad idea - after all, they're 37 years old!
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speleo_de
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« Reply #82 on: December 09, 2010, 09:25:19 PM »

The J Type pot is a heavy duty one that takes many ten-thousands of movements .
Don't use the standard ones for audio stuff.

SEGA / Starwars all use the 5k pots Type J or better. They sometimes appear on EBAY and not sure if I should point you to ramcontrols these days.
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Etienne MacGyver
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« Reply #83 on: December 09, 2010, 09:25:27 PM »

the paddle potis are listed in the manual as 50k pc mount pot - here are the pictures arrow

as you can see, 5k pots were used (without the zero behind it), so i guess that's the value i have to look for.

I dont want to be an ass, but i think you are mixing things, look at this picture, its from your manual



the manual specifies 5K for the pots on page 7 & 9, but you saw only page 13 i think, wich are the pots on the board..
they are "ajustment pots" according to the manual..

Maybe you can replace these too to be totally sure, the "onboard" pots are much cheaper than the metal ones with shaft..

« Last Edit: December 09, 2010, 09:27:27 PM by Etienne [NL] » Logged

Superully
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« Reply #84 on: December 09, 2010, 09:31:32 PM »

thx etienne, once again i mixed something up Embarrassed
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Superully
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« Reply #85 on: December 09, 2010, 09:36:23 PM »

The J Type pot is a heavy duty one that takes many ten-thousands of movements .
Don't use the standard ones for audio stuff.
SEGA / Starwars all use the 5k pots Type J or better. They sometimes appear on EBAY and not sure if I should point you to ramcontrols these days.

thx! so you're saying i should either try my luck on ebay or try my luck at ramcontrols? are those exactly the same ones used on star wars being sold in pairs of two for 20 bucks at ramcontrols? man, if only dave could run his business a little bit better ...
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Etienne MacGyver
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« Reply #86 on: December 09, 2010, 09:44:54 PM »

thx etienne, once again i mixed something up Embarrassed

eventually you will learn  Cheesy

and thats what we are here for right? to learn from eachother !  Space Ace
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Level42
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« Reply #87 on: December 09, 2010, 10:46:23 PM »

Why new ones ?
Can't you clean them ?

No. They're probably not dirty but gone.

37 years....

I totally agree with Speleo. Don't get the standard stuff (IF they already fit, I think the one you mention Etienne might be metric sized ?)
Those potmeters are expensive for a reason. David at RAM controls sells an even better quality than what Atari put in the SW yoke....

I haven't been into the loop about David lately but I assume he is in one of his hibernation-periods again ?

You could maybe try my old SW pots Ully BUT the thing is that SW's software is averaging out the potmeters during play (yes really) so that (temporary) errors (like jittering is) won't be (very) noticeable in the game.
So, my old pots may still be OK but may also not...



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gyruss
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« Reply #88 on: December 18, 2010, 12:27:18 PM »

Just came across this article about Rally in the book Supercade - a visual history of videogame age 1971-1984.
Don't know if you have the book yourself so i scanned the page.



« Last Edit: December 18, 2010, 12:29:34 PM by gyruss » Logged

Superully
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« Reply #89 on: December 18, 2010, 08:42:47 PM »

thx for the scan, gyruss. i DO have the book myself, but haven't looked into it for a while, so i didn't remember that rally is in there. so thx again, i'll check it out "live" later!

p.s.: i'm working on my rally "behind the scenes" - stay tuned for an update!
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