Stella -- 3D by Stevens Aero (video)
I got a chance to fly and video (thanks Bill) the latest model from Stevens Aero recently -- the Stella. The Stella is a low wing, fully capable balsa 3D model that uses the Himaxx 2015 and 2025 (light and heavy setups) and lipoly batteries combined to create an extremely versatile model that will fly not only 3D but pattern maneuvers with precision. The video below is my first flight (so nothing too low) on the most recent version (so be nice ).
A little bit of background on the design. The Stella is a natural extension of Bill's popular G-300 and G-480 line of models. While it shares some commonalities, the Stella ended up being an all new model. During the design and testing process (by far the most extensive that Bill has undertaken), it has been flown with many different wings, tails, thrust lines, incidences, etc... towards the goal of providing the best possible performance in all aspects of traditional aerobatics as well as 3D. This is not an easy task, as most 3D models don't do anything but 3D particularly well. The Stella had to be different from "most 3D models". That it is.
The Stella, with its thinner low wing, offers outstanding 3D performance while holding tight to its tracking and precision during pattern flight. It has virtually coupling-free knife-edge performance. Note not only the good pop-up pitch rate performance early in the video, but also the model's ability to track large and fast maneuvers as well. I'll let the model's performance speak for itself in the video, but IMHO, the Stella is the most versatile 3D model that I have flown. Note that the setup and cg are unchanged between the 3D flying (1st half) and pattern flying (2nd half) in the video, and that no mixes were used for either the 3D or pattern (only dual rates/expo).
Bill will have to jump in with the exact specs (heck... I only build and fly them ), but here are the basics.
Area ~350 sq in
Weight ~17 oz
Himaxx 2025 GWS-D gearing
3S Apogee 1570's
Propped for 175 watts
Last edited by sukhoi26mx; Aug 21, 2004 at 11:59 AM.
I drew up an alternate AXI / Hacker B20L mount...
Hacked off my stick and bolted the mount in place - I popped an AXI 2212-26 under the hood... Looking for 150w or better but gotta deal with altitude adjustments...
Here in the thin air of 6500' the 10x5E gave me 121w hmm...
10x4.7SF gave me 143w 13.7A Draw on 3S1P's I'll stop there for now... On a 10x4.7 the performance rocks with the Himax 2025-5300. This will give me some basis for comparison.
Looks to reach 1:1 thrust to weight at 1/2 throttle... I probably don't require the 1500's at this point so perhaps I'll try the 1050 Apogees.
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