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HAPP WHEEL / SERVO / FFB HACK - 1st Racing Cab Build. My Notes
brad808:
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gbeef:
1. Does the motor look usable for a hack? - Model 4z140 Any ideas/advice guys?
i've never seen that one before, and i have both versions.
2. I should ditch the MOMO and look for a pot based wheel to hack - so what are POTential donors? LOL Logitech EX?
Badmouth did the MOMO hack sounded like it was a ton of work.
3. I'd also really appreciate some info re the necessary pots for the pedal and the hack - the more info the better? Where to buy?
100K and 50K electronics shop
BadMouth:
That's definitely a Happ setup. It's a DC motor, it will work the same as any other. The model # isn't important.
Although the pot-based hack is simpler, the MOMO hack isn't too bad if you can find an 800CPR optical encoder for a decent price.
If you can find a used driving force ex for $30 though, definitely go that route.
Most of the problems that I had were me learning from my mistakes because there weren't any examples to go by.
Here's the same model encoder that I used in mine (same seller)
http://www.ebay.com/itm/MOTION-CONTROL-DEVICES-ENCODER-C-0173-800-SBO-/360259463974?pt=LH_DefaultDomain_0&hash=item53e1232b26
The seller included a wiring diagram.
You'll have to find a way to attach it. There are two very small screw holes on the front of it. I widened out the center hole on the arm that holds the pot and drilled another hole above it to secured it with ONE screw. Sounds half-arsed, but there isn't really any force on it. It's held in place by the shaft.
Here's my tutorial on hacking the MOMO.
http://forum.arcadecontrols.com/index.php?topic=113040.0
What potentiometers you need depends on what wheel you are hacking. Some used 100k, some use 10k, some use 50k.
(The arcade pots are 5k)
The numbers Gbeef gave were for the Driving Force EX. The momo uses 10k pots on the pedals.
You'll have to wait until you know what wheel you're hacking before getting the pots.
EDIT: Not really relevant, but I believe Dayton makes the feedback motors for Logitech wheels.
ScottoKong:
Hi All - Thanks for the advice.
Looks like I should be able to pick up a pot based logitech wheel delivered for around $50.
I've stumbled across some info at Mark's Basement Arcade. http://home.comcast.net/~mshaker/marks_arcade_006.htm
He makes it sound fairly straight forward.
I need to have a good read of the thesharkfactor's HowToGuide.
Looks like the hardest part will be finding a Servo Amp - I'm hoping the US eBay guys will post me 1 to Australia.
I'll keep you posted!
Scotto
ScottoKong:
Hi All
I've been reading everything I can.
Translating Dutch and French like crazy!
A couple of questions.
1. Everything I read talks about powering the HAPP Motor with 24V.
From the manuals I've seen for Cruis'n USA the cab motor was driven by 18V.
My question is why 24V and not 18V?
If I could go with 18V I'd use the PSU already in the cab and save $100.
2. Also is it possible to get rid of the rattling when going straight that I've read about on some forums?
I just want to be able to play daytona and sega rally on model 2.
I've read where others have ended up giving up on this mod and decided to save their dollars and look at modding a sega motor.
I'm now off to get stuck into cleaning the cab - 17 years worth of dust ::)
Scotto
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