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KANJA is an ultralight sailplane for fun soaring. It can be launched by bungee, by aerotow, auto or scooter tow.
Materials: aluminum tubes, Dacron
Kanja was born when I realised that Super Floater is no more in production. I think that slightly cleaner design could be done and better performances achieved, there is my Kanja (Buzzard) design...
Kanja Specs


wing span 11 m
wing area 10,35 m2
aspect ratio 11,7
wing airfoil FX 77-W 153
empty wt. 60 kg
max payload 90 kg
MTOW 150 kg
stall speed 40 km/hr
maneuvering Speed 80 km/h
VNE 120 km/h
max glide 18
min sink 0,9 m/s
Performance based on preliminary calculations


Some 3D computer images of my KANJA "low tech" "high fun" design
landing aproach
Yes yes! I know that pilot is missing :-)

virtual pilot in virtual glider
Look ma! Oops, where is the stick?
flying for fun
After long cross country flight!(just dream, but once maybe...)
fuselage main structure
The main fuselage structure consist from thick boom and thinner aluminum tubes bolted together. All is wrapped with removable dacron cover. In cockpit area there are some battens in dacron to help streamlining the shape. (battens not visible in this picture)
cockpit details
The tail boom tube can be folded down to lower the owerall height, mainly for transport reasons. This can be done without deataching the dacron "skin".
almost complete structure
Noething revolutionary in this design. All prooven structural parts already seen on other similar designs. But the outlook of this glider is unique, because of semi-enclosed cockpit. The ribs (or battens) visible here on the wing, actualy are not the rigid part of the wing structure, but they are inserted in pockets that are sewn in dacron wing surface as is common at hang gliders.
Detail of cockpit structure and controls location. The pilot sits in simple seat and control stick is mounted between his knees. The main wheel is located slightly behind CG. Under the nose area there is a skid with shock absorber (tenis ball). The glider is equipped with towing hooks: one in nose for towing plane or trike, and one infront of main wheel for car towing. There is also a nose hook for bungee starting from hill slope as was common princip in old times.
The wing is typical UL structure with tube front and rear spars, Dacron sailcloth with pockets for the wing ribs (battens). The spars are suported with internal compression struts and diagonal wires. Wing can be fold down for easy transport. The dacron sail is made as pocket at first 25% for plastic insert plate, for better shape of airfoil nose portion. (common detail at hang gliders)
The glider is relatively small. (philosophy: small, light, cheap)