Hey guys,there is cheaper solution to buying the namco gun,if you can get your hands a pelican 'the real arcade' gun for ps1/dreamcast,I say go for it instead of the namco gun,its alot cheaper and almost identical to the namco gun,but has two buttons already built into the shell that can be wired to the aimtrak.perfect for mame use.
I made a video of 1 in action on my machine.Its a crappy video just demonstrating the pelican gun.heres the link.
http://youtu.be/cqH79ZiqLkU.you will notice in the video the gun recoils when I reload,that is because I used the most basic circuit possible with a simple 5v relay.the only downside is if you hold the trigger the recoil stays on,now thats not a problem unless you play a game like T2,but for that reason I have a switch to turn it off completely so I can hold down the trigger without burning out the solenoid.I used method because I didnt have the right firmware to enable recoil from the aimtrak module,and didnt think I would be able to find it seeing as the ultimarc links are down,but andy sent me the right one after a few emails.
I have two more real arcade guns I will be selling with ultimarc solenoids and recoil pcb.you need to add your own aimtrak,power supply,and diy skills.one is gray and one is black.they will work like the circuit in this thread,no recoil shooting off screen,and holding the trigger wont keep the solenoid on.The aimtrak solenoids are a great replacement for burntout namco/pelican solenoids.I attached a few pics.
Also for anyone who cant get the ultimarc schematics to work,I can help you setup an easier circuit with the relay I used.I could even offer a service to do all this for you if you send me the guns.I can do either method,aimtrak recoil(mosfet),or 5v relay recoil.the relay will be cheaper.