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727 Prop Powered (7j7)

1,455 jonroi14  5.1 years ago
413 downloads

HISTORY/BACKGROUND:

Prop powered 727 from August 20, 1984. It was called the 7J7 with an unducted fan. Boeing dropped the idea .The Boeing 7J7 was a short- to medium-range airliner proposed by American aircraft manufacturer Boeing in the 1980s.
It would have carried 150 passengers and was touted as the successor to the successful Boeing 727. This was intended as a highly fuel-efficient aircraft employing new technologies, but it was postponed indefinitely as the price of oil dropped during the 1980s.
It was powered by Two General Electric GE36 UDF rear-mounted advanced technology contra-rotating unducted fan (propfan) engines .The General Electric GE36 was an experimental aircraft engine, a hybrid between a turbofan and a turboprop.
Although the engine demonstrated an extremely low specific fuel consumption, cabin noise levels were a problem, even though the engines were mounted at the rear of the test aircraft .However, the noise was not considered an insurmountable problem. -wikipedia

THE IDEA TO BUILD FROM: A youtube video

CONTROLS
AG1: Nav lights
AG2: Strobe lights
AG3 + VTOL Down: Airstairs (Rear stairs)
AG4 + VTOL Down: Flaps
AG5 + VTOL Down: RAT(ram air turbine) near landing gears.

SPECIAL NOTES:
The front landing gear is so fragile that you have to land in the smoothest way possible
I did this so if you land in a steep angle you splode so land in one piece.
Trim is halfway down for level flight
My setting for physic is low to reduce lag
Dont worry about the thing on the front landing gear
And finaly I started working on this 3 days ago because i had nothing else to do kthx
This probably the hardest ive done

Warning: build may be inaccurate due to shit phone lagging like crazy
... Damn you still reading? Well thank you!

General Characteristics

  • Created On Android
  • Wingspan 95.9ft (29.2m)
  • Length 119.2ft (36.3m)
  • Height 30.9ft (9.4m)
  • Empty Weight 55,869lbs (25,342kg)
  • Loaded Weight 119,824lbs (54,351kg)

Performance

  • Power/Weight Ratio 0.028
  • Horse Power/Weight Ratio 0.102
  • Wing Loading 28.5lbs/ft2 (139.3kg/m2)
  • Wing Area 4,199.9ft2 (390.2m2)
  • Drag Points 27129

Parts

  • Number of Parts 278
  • Control Surfaces 13
  • Performance Cost 1,688