I'm looking at getting a Clark board to replace my broken RX-18 and step into the 2.4 GHz world.  But, looking at the various posts, threads and apparent options, I have a few questions.  First, here's what I'm trying to do.

1)  upgrade a PzIII Ausf M...so, looking at the Clark website, I need the TK22-Pz version...I think.  Is there a TK20E-Pz version with PzIII engine sounds rather than the Tiger sounds?

2)  Mirror as closely as possible the HL Tx stick setup.  I like having the turret controls on one stick and the driving controls on the other.  Immortal Hobbies seems to indicate that it can be done.  But, it looks like you can only do one turret control at a time.  For instance, it would be cool if I could rotate the turret, raise/lower the bbl and fire the machine gun at the same time while driving.  Can that be done?

3)  I'd like to be able to make the bbl go up or down.  That could be a servo (will the TK20E control servos?) or using Clark's modification of a "side port" on the 8-pin plug.  Do the boards come with the wires and plugs to do this, or is that a separate purchase?

4)  I'm interested in the "momentum" feature.  It looks pretty realistic.  But, it looks like the TK20E doesn't have that, correct?

5)  Finally, I'm an airsoft battler...so, I have to keep my airsoft gun.  TK20 or TK22, right?

Other questions, I see that some folks may have gotten 6-channel transmitters for their Clark setup.  Will the TK20E or TK22 work with six channels?  Would that allow me to use separate switch for something like starting the engine or firing the machine gun?  Or even the main gun?

Lot's of questions...so, thank you in advance for any help.