AMAZING 1/6 SCALE RC LOCKHEED SUPER CONSTELLATION" STAR OF AMERICA" LMA COSFORD # 3 - 2018

(PART THREE OF THREE)

CHECK OUT OUR PLAYLIST OF CONSTELLATIONS HERE -

https://www.youtube.com/watch?v=_djV0yBnqHQ&list=PLnnDxY-6mwEEG_A4Q82CPe23eKjmbpJqO

CHECK OUT PART ONE OF THE AMAZING AIRCRAFT FLYING HERE -

https://www.youtube.com/watch?v=MSBZVfBHoKI

PROFFESSIONAL RC MODEL BUILDER / PAINTER PHIL NOEL OF PINNACLE AVIATION FAME PAINTED THIS MODEL FOR KEITH MITCHELL,

CHECK OUT PINNACLE AVIATIONS WEBBSITE HERE -

http://www.pinnacleaviation.co.uk/

AS IVE SAID BEFORE - SOMETIMES IN THIS HOBBY A MODEL COMES ALONG THAT JUST BLOWS THE OTHERS CLEAN OUT OF THE WATER !

KEITH MITCHELLS 1/6 SCALE SUPER CONSTELLATION "STAR OF AMERICA" IS ONE OF THOSE MODELS FOR SURE !

THIS MODEL HAS HAD 12 FLIGHTS BEFORE THIS FLIGHT WHICH IS THE FIRST TIME SHE HAS EVER FLOWN IN FRONT OF THE PAYING PUBLIC ! (SATURDAY)
THE WIND WAS GUSTING 20+ MPH (SAFE TO FLY IN)
BUT VERY UNCOMFORTABLE FOR THE PILOT TO BATTLE FOR TEN MINS !
SHE HAD HER 6 X 10 MINUTE FLIGHTS (TOTAL ONE HOUR) REQUIRED BY CAA LAW AS SHE IS WELL OVER THE 20KG LIMIT A MODEL CAN FLY AT PUBLIC EVENTS WITHOUT BEING SCRUTINISED BY AN LMA EXAMINER TO MAKE SURE SHE IS BUILT CORRECTLY,

KEITH SENT THIS INFO OVER ON THE MODEL -

SUPER CONSTELLATION N6937C "STAR OF AMERICA",
SCALE - 1/6 TH,
W-SPAN - 21 FT,
LENGTH - 19 FT,
WEIGHT - 220 LBS (100KG),
WING AREA - 46 SQ FT,
ENGINES - 4 X ZDZ 90cc SINGLE CYLINDER PETROL / GAS,
PROPS - 4 X 28 X 10 BIELA CARBON,
RADIO - FUTABA 12MG 14 CHANNEL T,
22 X SERVOS,
10 X BATTERY PACKS,
13 CHANNELS - AILERONS, ELEVATOR, RUDDER, FLAPS (4 X SERVOS) THROTTLES (4 X SERVOS) RETRACTS, LANDING LIGHTS,

IT TOOK KEITH AND FRIENDS AROUND 5 YRS (5500 HRS) TO BUILD CONNIE THEN THE TEST FLIGHTS STARTED !
THE UNDERCARRIGE ALONE HAD 1000 HOURS SPENT DESIGNING THEN BUILDING FROM SCRATCH !

THERE ARE VARIOUS REASONS WHY THIS MODEL IS USING 2 BLADE PROPS INSTEAD OF 3 OR 4 BLADE,
THE ENGINES ARE NOT CAPABLE OF PRODUCING ENOUGH POWER TO TURN 4 BLADED SCALE PROPS EFFICIENTLY + THE PRICE OF FOUR 4 BLADED PROPS WOULD BE VERY EXPENCIVE,
SO THE TWO BLADED PROPS MATCH THE POWER OUTPUT OF THESE ENGINES PERFECTLY,

TO FIT FOUR BLADED PROPS ON THIS MODEL WOULD PROBALLY NEED MULTIPLE CYLINDER RADIAL ENGINES OF LARGE CAPACITY TO TURN THE PROPS AT THE DESIRED POWER LEVEL,
SO THATS SEVERAL THOUSAND POUNDS WORTH OF ENGINES + REDESIGNING THE ENGINE MOUNTS / BHDS ETC ON THE MODEL + THE PRICE OF FOUR 4 BLADED PROPS !

SO AEROMODELLING IS A MATTER OF COMPROMISING ON THE DESIGN OF THE MODEL ESPECIALLY WEIGHT SAVING TECHNICS AND ALSO MONEY SAVING IDEAS TO END UP WITH A FLYABLE SCALE MODEL OF THE REAL THING,

Keith Mitchell -

One little correction, Pete, the model had to undergo 12 flights over not less than 2 hrs as it's over 80kg. Some other links during that testing schedule here:

https://www.youtube.com/watch?v=9pKirBFkFGs&feature=youtu.be
https://www.youtube.com/watch?v=5Hq5lYMFP88&feature=youtu.be
https://www.youtube.com/watch?v=Vf0LZbQCSGA

INFO ON REAL AIRCRAFT -

Role - Airliner and transport
Manufacturer - Lockheed
First flight - January 9, 1943
Introduction - 1943 with USAAF
1945 with TWA Retired
1990s, airline service - 1978, military
Status In very limited service
Primary users - Trans World Airlines
Eastern Air Lines
Pan American World Airways
Air France
Produced - 1943–1958
Number built - 856
Developed from L-044 Excalibur

The Lockheed Constellation ("Connie") is a propeller-driven, four-engined airliner built by Lockheed Corporation between 1943 and 1958 at Burbank, California. Lockheed built 856 in numerous models—all with the same triple-tail design and dolphin-shaped fuselage. Most were powered by four 18-cylinder Wright R-3350 Duplex-Cyclones. The Constellation was used as a civil airliner and as a military and civilian air transport, seeing service in the Berlin and the Biafran airlifts. Three of them served as the presidential aircraft for Dwight D. Eisenhower.

while features included hydraulically boosted controls and a de-icing system used on wing and tail leading edges.[1] The aircraft had a maximum speed of over 375 mph (600 km/h), faster than that of a Japanese Zero fighter, a cruise speed of 340 mph (550 km/h), and a service ceiling of 24,000 ft (7,300 m).

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FILMED AT AN RC MODEL AIRCRAFT SHOW RUN BY THE LMA ( LARGE MODEL ASSOCIATION ) AT RAF COSFORD - SHIFNAL WOLVERHAMPTON - SHROPSHIRE / STAFFORDSHIRE - TF11 8UP IN THE UK OVER THE WEEKEND OF 7th & 8th JULY - 2018,