The Aerospool WT9 Dynamic is a two-seat high-performance ultralight
airplane designed by Wala Tadeas. Development of the Aerospool WT9
Dynamic started in 1998. The prototype of the WT9 Dynamic, the D-MXWT
flew first in 2000. For the construction of this aeroplane has been made
optimal use of advanced materials as polyurethane and carbon composites.
The fuselage of the plane consists of composites sandwich shells where
the main construction element is carbon fibre. The ergonomic designed
canopy frame is made out of carbon composite, for the canopy an acrylic
glass design made by Mecaplex is used. As power plant the 80hp Rotax 912
UL and the 100 hp Rotax 912S is available. Next to the Dynamic "Club"
with fixed landing gear, the Dynamic "Speed" is available with an
electrohydraulic retractable landing gear. The empty weight of the basic
aircraft starts as low as 265kg. The Dynamic "Speed S" with the Rotax
912ULS engine has a cruise speed of 240 km/h. In 2001, Aerospool s.r.o.
begun with the production of the Dynamic in their modern factory on the
airport of Prievidza in Slovakia. Apart from the ready-to-fly aircraft
the Dynamic is available as a basic kit and it is also possible to order
a partially assembled kit. To improve the flying qualities a new wing with a
winglet was developed. Aerospool has built over 500 WT9 Dynamic aircraft.
A further development of the WT9 Dynamic is the Dynamic OK Edition a wholly
from bottom up re-engineered aircraft.
On 18 August 2011, Aerospool WT9 Dynamic c/n DY417/2011 was registered PH-4J7 in the Netherlands
with Vliegclub Westerwolde / ULV, Emmen. The airframe is powered by a Rotax 912UL DCDI engine. On
11 October 2015, the 2011-built Aerospool WT9 Dynamic PH-4J7 was seen at its home base, the MLA-aerodrome
Stadskanaal in Vledderveen, the Netherlands.