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SuperHog March 19th, 2014 19:48

The motor should be rigid once the two dowel pins are press in which locks the motor in.

ThunderCactus March 19th, 2014 20:22

We've found the FCC pins to be loose
The pins only really stop the motor from rotating
With Austin's FTW, the motor had shifted sideways during normal operation and disengaged from the bevel gear.

SuperHog March 20th, 2014 08:43

If it is shifting along the armature shaft axis, the armature wasn't shimmed properly.

-Trooper- March 20th, 2014 12:48

I can tell you from my experience that there is a slight wobble with the motor. Seems like the pins weren't to spec.

If you check TW-Works it says that FTWs are cast bodies. I believe only the accessory parts of the gun are CNC'd.

ThunderCactus March 20th, 2014 14:29

I believe Austin's FCC 2.5 moved up and down about 3mm, it had the most armature play of any TW motor I've seen so far lol
Mine wasn't much better before I reshimmed it
Although I think they mounted their armature too low on the shaft, every time I reshim an armature the shaft is .2mm shy of the end of the bearing. Whereas the systema usually sticks out of the bearing a little. So with the FCC you have to mount the pinion gear fairly high and loctite it in place, whereas the systema you can bottom it out on the flat, ensuring it will never ride down.

-Trooper- April 8th, 2014 09:49

I finally found some time to take a look at my gun. There is a slight wobble with the motor the lets it move left to right, however, not enough movement to do any damage. There is no play up or down. The motor hole is also dead center. Other than that, there is nothing else out of the ordinary with my gun.

Azathoth April 8th, 2014 10:36

Frank this is Austin's gun? I found a solution that will fix the motor issue 100% (sold him a systema)

I believe Kullwarrior is running a FCC2.5 in his 2008 PTW. The motor screeches and makes an awful sound. The FCC2.5 motor also cannot pull a M150 either. The engagement between the pinion gear is likely the culprit.

ThunderCactus April 8th, 2014 23:38

The 2.5s lack torque, it's evident in active braking where the sector gear typically overshoots the normal stopping position when the receiver is open.

Trooper, good to here they got at least one receiver right!

Ricochet September 29th, 2014 18:24

What's the future of FCC? Are they giving up, or are they going to take another kick at the cat?

mcguyver September 29th, 2014 19:45


Originally Posted by Ricochet (Post 1913296)
What's the future of FCC? Are they giving up, or are they going to take another kick at the cat?

I hope they continue. They have been a boon for Systema parts and service. And I can ask way more for Systema parts now.

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