R/C Tank Combat

Tank #T081

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Deciding that the tank needed a different magazine setup, I set to making something using the last few hours of time I had left to finish the tank before leaving the next day for the scheduled October 2011 battle. I wasn't happy using precious time needed for other issues, but the tank desperately needed something better than the tray.

Surprisingly, the new magazine only took 2 hours to fab up and mount on the tank. It is basically a cardboard shipping tube with plastic end caps, a trimmed 10 round paintball tube, and the guts from a ViewLoader 2000 paintball hopper.

The interior of the magazine contains an aftermarket rotor made for the Tippman Cyclone paintball loader which inspired this magazine. A peg (hidden by one rotor arm) redirects paintballs from the rotor into the feed tube going to the marker.

The power feed was needed to ensure the marker got a steady diet of paintballs no matter if the hull was tilted backwards or forward while aiming.


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I am not happy with the height sticking up out of the hull. As soon as an external cap is found, the magazine tube will be trimmed 1/2" off the top (the thickness of the current internal shipping tube cap.

I may try to make another, internal magazine over the winter just to reduce the magazine profile some.

The marker is a Rex Paintball R2 manufactured circa 2005 and purchased off eBay for approximately $100. It is an electronically controlled and triggered blowback paintball gun based loosely off the iconic Spyder marker. Some features include electronic controlled anti-chop feature, adjustable rounds per minute, semi or automatic operation (set to semi for the tank), shot counter, and a few other neat things.

The grip was hacked off just below the sear solenoid and mounted on a plate along with the marker rechargeable battery. The microswitch originally used by the trigger was swapped out for a Delta(tm) board electronic switch directly controlled by the receiver. Essentially, everything up to the sear is solid state.


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