Radius Triple-4
- Known technical data on the design De
Triple-4 is a 4-seated experimental completely build from glass- and
carbon fiber/epoxy and foam composite materials.
Lightweight,
comfortably spacious for 4 occupants, big windows for
outstanding view in virtually all directions, wing doors for good
entry and exit, retractable landing gear
Specifications:
Brand: Radius
Type: Trivial
name: Triple-4, technical name: RDE3-4-R260-X
Occupants: 4
Storage: 360
liter/60 kg (in 4 seat mode) or 700 liter/260 kg (in 2 seat mode)
Length: 8,10
m
Wingspan: 9,90
m
Weight
(M.T.O.W.) 1150
kg
Wing
surface: 10,8
m2
Wing
load: 102
kg/m2
Height: 2,05
m
Cabin
height 1,20
m
Cabin
width: 1,40
m
Propulsion:
Power
plant: Rotary
(2 disc) 1) modified MAZDA 13B-REW/FD3S or 2) Mistral G230 ,
255 HP max. power at 6500 rpm, 300 Nm max. torque at 5000 engine rpm.
Propeller: 3
blade, constant speed, 1,92 m, MTV-12,
electric pitch control with reverse setting. Max. ref: 2800 rpm, max
power: 260 PK
Power
Transfer: Carbon
fiber axle running from the rear to the front of
the craft, supported by a bearing in the
middle..
Reduction: 1:2,8235,
through a PSRU
Fuel: Gasoline
(LL100 or regular petrol:
240 liter
Performance:
Cruise: 220
knots (407 km/u)
V
(never exceed): 250
knots (463 km/u)
Max.
vertical speed: 22,5
ft/sec (7,5 m/s)
Stall
speed: 40
knots (74 Km/u)
Rotate
speed: 60
knots (110 Km/u)
Load
factors: +6
G and –4 G
Control:
Pitch: Forward
wing.
Pitch
trim: Horizontal
stabilizer moves in incidents
Roll: Ailerons
in the mean wing
Yaw: A
rudder in the vertical stabilizer
Trim: electric ally/Hydraulically
Landing
gear: retractable,
consisting of two main gears (braked) and one
double wheeled nose gear which steers.
Brakes: Toe
brakes (hydraulic) on the rudder pedals.
Parking
brake: Hydraulic.
.
