Transcendental Convertiplane Projects

[hesham]

Hi,

The Transcendental Model-3 convertiplane Project.

http://xplanes.free.fr/transcendental/trans-5.html

 

[Tailspin Turtle]

Thanks for posting - what's the source?

 

[Jemiba]

This artist impression is from an original Transcendental Aircraft corp. document,
I think. In vertiflite summer 2006 was a very comprehensive article about this
company, where it was shown, too, with an additional drawing of the aircraft
in forward flight.

 

[hesham]

From the same source;


the Model-2 convertiplane.

 

[fightingirish]

Transcendental Model 1-G Characteristics
Powerplant
Lycoming O-290-A
Brake horsepower . . . . . . . . . . . . . . . 160 HP @ 3000 RPM
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 ft
Wing
Span. . . . . . . . . . . . . . . . . . . . . . . . . . 21 ft
Area. . . . . . . . . . . . . . . . . . . . . . . . . . 63 sq ft
Chord. . . . . . . . . . . . . . . . . . . . . . . . . 3 ft
Loading . . . . . . . . . . . . . . . . . . . . . . . 27.7 lb/sq ft
Airfoil section . . . . . . . . . . . . . . . . . . NACA 23015
Width. . . . . . . . . . . . . . . . . . . . . . . . . 38 ft (to outer tip of rotor disc)
Height . . . . . . . . . . . . . . . . . . . . . . . . 7 ft
Rotor
No. of rotors . . . . . . . . . . . . . . . . . . . 2, interconnected
Type. . . . . . . . . . . . . . . . . . . . . . . . . . articulated
Blades/proprotor . . . . . . . . . . . . . . . . 3
Diameter . . . . . . . . . . . . . . . . . . . . . . 17 ft
Chord. . . . . . . . . . . . . . . . . . . . . . . . . 4 in
Disc loading . . . . . . . . . . . . . . . . . . . 3.6 lb/sq ft
Rotational speed
Helicopter mode . . . . . . . . . . . . . . . . 633 rpm
Weight
Empty . . . . . . . . . . . . . . . . . . . . . . . . 1450 lb
Gross . . . . . . . . . . . . . . . . . . . . . . . . . 1750 lb
No. of seats . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Transcendental Model 2 Characteristics
Powerplant
One Lycoming . . . . . . . . . . . . . . . . . O-435-23
Brake horsepower . . . . . . . . . . . . . . . 250 HP@ 3200 RPM
Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 ft 1 in
Wing
Span. . . . . . . . . . . . . . . . . . . . . . . . . . 22 ft 9 in
Area. . . . . . . . . . . . . . . . . . . . . . . . . . 100 sq ft
Airfoil section . . . . . . . . . . . . . . . . . . NACA 23015
Width. . . . . . . . . . . . . . . . . . . . . . . . . 39 ft (to outer tip of rotor disc)
Height . . . . . . . . . . . . . . . . . . . . . . . . 9 ft 5 in
Rotor
No. of rotors . . . . . . . . . . . . . . . . . . . 2, interconnected
Type. . . . . . . . . . . . . . . . . . . . . . . . . . articulated
Blades/proprotor . . . . . . . . . . . . . . . . 3
Diameter . . . . . . . . . . . . . . . . . . . . . . 18 ft
Chord (constant) . . . . . . . . . . . . . . . . 0.356 ft
Disc loading . . . . . . . . . . . . . . . . . . . 4.4 lb/sq ft
Weight
Empty . . . . . . . . . . . . . . . . . . . . . . . . 1579 lb
Gross . . . . . . . . . . . . . . . . . . . . . . . . . 2249 lb
Useful load . . . . . . . . . . . . . . . . . . . . 670 lb
No. of seats . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Source: The History of the XV-15 Tilt Rotor Research Aircraft: From Concept to Flight by Martin D. Maisel, July 1, 2001, ISBN: 1931641277

 

[RAP]

Model 1