[NSRCA-discussion] Show Time 4D 90 ARF

[Ed Alt]

Yes, I have a couple of dozen flights on my Showtime - OS .91FX, ES pipe.  Suprisingly good for running through the Masters pattern, though it's not what I bought it for.  I really have done nothing after the bench setup other than adjust the trims from the TX and it's grooving pretty well.  I have to admit, I didn't expect alot and it surpassed expectations, so I was giddy with what I ended up with for a small investment and little effort. It needs some typical refinements for downline pulling, a little bit of knife edge tuck etc, but it's respectable.

As for the 3D or "4D" stuff, it's A-OK in most respects, considering its size.  I think you will want to keep it light.  I am happy with the grunt from the OS 91 and pipe and it's nice and light.  The ailerons are so effective, it's just stupid.  I mean, there's no way I could keep up at all on full 3D rates. I ended up dialing down to about 40 deg deflection and can just manage to stay with it in 3D rollers.  Walls are good, blenders are neat, knife edge is very good without the SFGs, just silly with them.  Harriers are reasonably well behaved, tumbles are energetic.  Pinwheels with the SFGS installed- dramatic for the first 3/4, then it rolls away on me.  I will find a way to time it and catch it, but so far, I have to pretend that I meant to come out at 270 and try to be convincing by keeping it on its side as it flys away.  High alpha KE with the SFGs installed is really amusing, as are flat turns and knife edge loops.  You have this terrific rudder authority and yaw axis lift, with not much coupling up to a point.  But it's very draggy at high alpha yaw angles and the bottom can drop out on you.  It doesn't exactly snap away, it really is more like a very authoritative roll that suddenly commences, but you can get everything back with relaxed rudder, keeping the pitch angle reasonable and not letting the airspeed dip dangerously low.  Practice a few mistakes high at first though.

It's a fun airplane, I recommend it.
Ed
  ----- Original Message ----- 
  From: Alan Hewson 
  To: NSRCA Mailing List 
  Sent: Saturday, February 18, 2006 6:08 PM
  Subject: [NSRCA-discussion] Show Time 4D 90 ARF


  Does anyone have any experience or opinions on the Hangar Nine Show Time 4D 90 ARF?

  Thanks in Advance
  Alan Hewson


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