I used flex tubing a ways back in the original Tiger turret and it will
work if you have enough space. But, instead of using a length capable
of holding all 40 paint balls, I recommend you use a length capable of
holding 20 paint balls or so, and then add a small hopper on the end to
hold the remaining 20 paint balls. The hopper makes it *much* easier to
refill the magazine and the tube holding 20 paint balls makes the feed
reliable. Basically, you will always be able to fire 20 paint balls in
a row without a load failure. During that time, you have 20 chances
that a paint ball will fall from the hopper into the tubing. With
normal tank motion and the recoil from the marker, there is usually
enough hopper movement to shake things through. Blockages can happen
every now and then with any collection of uniform spheres (I think
there's actually a mathematical proof of that somewhere in the geometry
world), but with a sufficiently long tube, the probability of keeping
the tube filled approaches 100%. The Tiger and both PzIIs use sections
of copper / aluminum tubing between the hopper and marker that hold
between 10-20 paint balls. With the measurements requested, John and
Paul can tell you how to convert their design (which is one of the most
compact being used) to fit your turret using the hopper and tube approach.
The Tiger's arrangement can be seen at:
http://www.rctankcombat.com/tanks/T001/47Assembly-large.jpg
John's PzII arrangement can be seen at:
http://www.rctankcombat.com/tanks/T079/Page2.html
http://www.rctankcombat.com/tanks/T079/Page3.html
On 12/26/2013 12:38 AM, Derek Engelhaupt wrote:
I just did some more measurements and I think I can swing a flex PVC
pipe with all 40 balls in a serial loop. Gonna get some flex PVC
tomorrow when the stores re-open. I started this tank almost 4 years
ago before I went to Kandahar so it's about time it was a fully
operational tank. I'm off until Monday so I'm hoping to get some stuff
sorted on it.
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