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Old 03-15-2008 | 07:21 PM
  #111  
J Lachowski
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From: Bridgewater, NJ
Default RE: Angel S EVO Build Thread


ORIGINAL: elan120

Well, I had a chance to maiden the plane during lunch today, my impression from the first two flights were very positive. The power from this Extreme Flight motor/ESC combo was more than enough, in fact, on the second flight I found myself using less and less power on the verticals. Once I have the initial trimming done, I will experiment with 15X7 APC-e to see how that works.

I used far less throws on the elevator and aileron than factory recommendation, and I will cut it down even more before next flight. The factory recommended CG was very close, I moved the CG back slightly on the second flight, and the inverted flight was a little better, but the required down elevator still is a tad more than my liking, which I will try to move CG back a little further and see if that will improve more. Knife edge was pretty solid with the recommended 6% mix from rudder to down elevator, but I need more testing to get that finalized. Down line tracking was very straight with a hint of moving to the belly on very long lines, but I had 2% down elevator mixed in with throttle idle, I might either reduce the mix to 1% or taken out altogether. Rudder response was very positive, which make point rolls and slow rolls very easy.

One other thing I felt positive was the down line speed, it was slow enough that I keep on reducing the throttle on verticals to match the speed, and the second flight was definitely slower than the first, which presents better in the air. Overall, I am very happy with the result from this first trip, and I will find some more time this week to continue on the trimming.
Flew mine this weekend with the same setup as elan120. Handles up to 10 mph wind quite well. 2% mix on downlines and 4% on knifeedge. Four flights so far. Started experimenting with moving CG back some, as well. Impression so far is positive. Does a pretty decent Masters pattern.

Question I have for elan120. What are you using for servos? I have JR digitals all the way around, but am using a separate Rx battery and Castle 85HV controller. Just wondering if the Airboss ESC will work well enough with the digitals. Concern for voltage drop since I am flying spread spectrum. I do have the Airboss ESC sitting on the side waiting to see how it works for others before I drop it in. I can save additional weight if and when I put the Airboss ESC in.