This is the greatest and best ever made biplane for indoor aerobatics, also
called F3AI for F3A Indoor, and 3D.
This model incorporates the best know-how necessary to
perform the complete F3AI aerobatic schedule in a fairly small indoor
Assembly, full of clever tricks, will only take a
couple of hours. The setting-up angles of the fuselage, always a
difficult job with a bi-plane, are already established thanks to the
prefabrication and to the numerous clever construction systems.
This model really does fly slowly thanks to its very
low wing loading (3.5oz!) and, thanks to its
quite extraordinary power/weight ratio, is capable of the most extreme
The control surfaces, which are quite big and in exactly the right
places, are very powerful and precise.
Knife-edge flight is a mere formality and can be done at walking pace.
The "top hat", which has the reputation of being difficult to perform,
can be done with no problem, even in a small space.
This model is a "must" for indoor aerobatic fanatics
who want a really efficient model which is both good-looking and great
The best setup we have found for it is as follow:
AXI2204/54, tmm Easy12, on 3S1P 450HP E-tec and 9 x 3.8 APC slow.
Buy our combo and save $$.
Fuselage, wings and tail made of computer printed and
The wing struts is made of carbon rod and Depron®,
whilst the canopy is PVC. The landing gear is piano wire
There are numerous computer-cut reinforcing parts in
ply, balsa and Depron®.
The control rods are carbon whilst the rigging is from
high resistance woven material.
The model comes with a set of step-by-step instructions.