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Chase HQ 2 Decrypted

@torakai If you're interested, your chase hq 2 cab uses a generic HAPP FFB board. This has 3 pins for strength, one for direction and the other for ground so it's quite easy to drive.

The game drives it via the JVS port, and so if you're running the original Chase HQ software outside of teknoparrot it should just work. In the same way any other game that uses that Taito JVS board that has FFB will probably do it in the same way :)

https://www.gtplanet.net/forum/thre...5ready-multi-emu-driver-with-real-ffb.129355/

This link is someone who's converted the FFB board in your cab with a logitech driving force, so you could always try something like that if you're good with soldering / electronics! :)
 
Hmmm, using a Logitech ffb board is bad advice but then you offer the same advice one post later. Someone feeling a little grumpy today?

DC motors won't get damaged by being fed a lower voltage than the nominal rating on their sticker (or damage an ffb board). They just won't turn or will turn slower. varying voltage how speed is controlled on DC motors.

The voltage that goes into a DC motor FFB board can be significantly lower than than the output voltage or the rated voltage on the motor too. For example, this Happ ffb controller uses a 24v PSU:

https://www.ebay.com/itm/HAPP-CONTR...657594?hash=item26431be03a:g:n8UAAOSwECtfnEWO

The motor they sell for it has a nominal rating of 90v but they may (or may not) be running it at top speed so output voltage could be way less.

https://www.ebay.com/itm/90V-DC-arc...295549?hash=item2647ea503d:g:~60AAOSwpHxfd8v2

If a higher voltage than a Logitech ffb board can output is required then this can be achieved in multiple ways (voltage boosters, relays etc).

DC motors can also be switched out fairly easily too. Not all use 90v motors. I've seen 37v, 24v, 20v.

E.g.
https://www.ebay.com/itm/Rush-2049-...ly-37-Volt-Force-Feedback-Motor-/124293262941

BTW, The nominal voltage should not be used to judge how powerful a motor is. A 24v motor could easily be more powerful than a 48v one. Look at their rated torque for that.
 
Thanks so much for all the suggestions and help! As Bobby mentioned this is an old thread that I have kind of hijacked, so I have started a new thread specifically about fixing my Chase H.Q. 2 cab and also potential replacements. I have checked my PC motherboard and luckily I have a 9-pin JCOM1 Serial Port Connector that is RS-232 compliant, so I will try the Taito IO card hooked straight into that. Fingers crossed, when I go to my unit tomorrow I will take my PC and try and hook it all together. Feel free to join the new thread.

Cheers,

Tora
 
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