Interesting how different people view the use of referrence lines</p>

On the latest superlight electric aerobats (rc types of 400 sq inches ) the entire model is simply laid out 0-0-0</p>

why?</p>

because amodel this size may weigh -ready to fly - 6 ounces (not a misprint) and have thrust of 18 ounces (not a misprint.)</p>

with these relationships ,the angles of attackneeded are extremely small for even fairly sharp maneuveing</p>

fo r th wild n wooly flailing</p>

the model can actually turn in it's own length with litle or no noticable loss of altitude</p>

We can't post videos here (thank goodness) but there are a number of videos of models which do this very easily and smoothly.</p>

http://slowflyworld.de/sfw-yak-54.WMV
here is one which is quite revealing.</p>

Tho this type flying may seem preposterous to some - the technical advances which have made it possible are very interesting
Better yet , by adapting the methods learned , many new RPV (pilotless craft) can do things totally impossible with piloted vehicles
In models we have adaptedeight to power and wingloadings, totallyremoved fromthose when we first flew RC in1970
much of the data considered necessary then , is simply not needed for this apprach .stalling-,
banking required for turns- take off minimum speeds-, etc., are not relevant
the model flies at ANY speed because power (thrust) and lift generated by all surfaces of the model can be played with at will.
Tho it aint relevant - I ambuilding aNeuport at the moment
just because I like to play withdifferent types of flying
The Neuport won't be expected to do any of the tricks the YAK does in the video..</p>