WILGA PZL-104 STOL 1/3 GIANT SCALE – DLE 170 TWIN – MATT HARROWVEN AT LMA RAF TIBENHAM – 2016
HERES SOMETHING A BIT DIFFERENT FROM MATT AT THIS NEW VENUE FOR THE LMA RC PUBLIC SHOW IN NORFOLK (FORMERLY HELD AT ROUGHAM)
A 1/3 SCALE MODEL OF THE FAMOUS POLISH GLIDER TUG / AIR AMBULANCE STOL AIRCRAFT,
VERY MANEUVERABLE MODEL AND ESPECIALLY LOVED THE ONE WHEEL TOUCH N GOES,
(YOU DONT REALLY HAVE A BALD SPOT MATT BUT YOUR SPOTTER KEVIN FAIRGRIEVE CERTAINLY DOES – LMAO – PETE)
MATT SENT THIS INFO OVER –
SHE IS BUILT FROM A FRISCH MODELLBAU KIT,
1/3 SCALE,
WEIGHS IN AT 26KG,
W/SPAN OF 3.7MTRS,
POWERED BY A DLE 170cc FLAT TWIN PETROL / GAS ENGINE,
MATT FLIES HER ON A DX9,
USES A POWERBOX WITH SPEKTRUM TELEMETRY
SOME INFO ON THE REAL WILGA –
The PZL-104 was designed for robust use in sports, civil aviation, with a strong emphasis on glider-towing and parachute training. The prototype of the initial Wilga Mark 1 variant was first flown on 24 April 1962 powered by an existing Polish 220 hp (160 kW) horizontally-opposed engine the PZL WN-6RB. The Wilga 1 prototype exposed a number of design faults, the most serious of which was excessive weight and a rear view restriction such that the crew could not easily see a towed glider. This resulted in an airframe review that thoroughly redesigned the aircraft, led by Bronisław Żurakowski and Andrzej Frydrychewicz.
Retaining major structural elements and successful sub-assemblies from the wings in the initial design, a completely new slimmer, strengthened fuselage was added that also offered an excellent rear view aspect for the crew during glider towing operations, and the side doors were re-engineered to open upwards for better aero observation or parachute jump sorties. The upgraded aircraft could be flown with the doors open if required, and had an air ambulance conversion capability.
With an all-aluminium construction, the Wilga is a high-wing cantilever STOL monoplane, with a conventional layout. The main cabin is constructed of duralumin, riveted and corrugated, increasing the strength and durability of the low-mass semi-monocoque fuselage. The rectangular single-spar wing is fitted with slotted flaps and anti-stall slats. The four-seat cabin is fitted with two large side doors, opening upwards to facilitate large loads, and rapid entry/exit. The main wheels are attached to an articulated, conventional fixed pneumatic shock landing gear with a heavy-duty sprung tail wheel and glider tow hook. The two-bladed composite wooden propeller is strengthened with bonded metal leading edges. The Russian-designed engine rotates in an opposite direction to North American standards. The newest models of Wilgas use full metal propellers and North American Continental O-470 engines with standard rotation. Likewise, presently two 195 L (43 imp gal; 52 US gal) fuel tanks are located in the wings.
Over 1,000 Wilgas of all types have been built, including 935 of the Wilga 35 and 80. This means more PZL-104 have been produced than any other Polish aircraft design.
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FILMED AT AN LMA SPONSORED PUBLIC RC MODEL AIRCRAFT SHOW AT THE SECOND WORLD WAR LIBERATOR BOMBER AIRBASE OF TIBENHAM IN NORFOLK IN THE UK ON 21-22-5-2016
