PROPULSION: |
Engine: |
dh Gipsy Major
8 inverted 4cyl |
Capacity |
6142 cc 373.7 cu in |
Horsepower: |
145 bhp |
idle speed |
approx 650 rpm |
Max RPM rich mixture |
2400 rpm max oil temp 85c |
Max RPM weak mixture |
2300 rpm max oil temp 85c |
Recommended cruise RPM |
1900 rpm
@ approx 90 Kts |
Max over
speed RPM
(20 seconds max
(Dive) |
2675 rpm
max oil temp 100c |
Oil pressure Normal |
40 -45 psi |
Oil pressure Minimum |
30 psi |
Propeller: |
20 deg Fixed Pitch,
Wood or Metal |
EXTERNAL
DIMENSIONS: |
Wing Span |
34 ft 4 in |
Length Overall |
25 ft 5 in |
Height Overall |
7 ft 0 in |
Wing Area |
172.5 sq ft |
WEIGHTS: |
Empty Weight |
1,184 lb |
Fuel |
180 lb |
Oil |
16 lb ( 2
Gallons ) |
Crew |
400 lb |
Luggage locker. |
40 lb |
Max Takeoff |
2,100 lb |
Max Takeoff
Glider towing |
1,900 lb |
PERFORMANCE: |
Maximum Speed
at Sea Level |
122 kts |
Maximum
Permissible Dive Speed |
173 kts |
Normal Cruise
Speed at 5,000 ft |
90 kts |
Best Range
Speed |
70- 90 kts
60 to 65 kts Max
endurance |
Climb Speed |
65- 70 kts |
Glide Speed |
70 kts 65 kts
@ half flap |
Final approach Speed |
70 kts 65 kts
@ half flap |
Threshold Speed
(flaps
up) |
60
kts |
Threshold Speed
(flaps
down) |
55
kts |
Glide Speed |
70 kts |
Rate of Climb
at Sea Level |
1000 ft/min load dependant |
Service Ceiling |
18,000 ft |
Takeoff
Distance to 50 ft agl |
870 ft |
Landing Run |
930 ft |
Maximum Flap Placard Speeds |
|
15
deg (Half Flap) |
93
kts |
30
deg (Full Flap) |
71
kts |
Canopy open max speed |
100 kts |
Standard temperature,
sea level |
pressure altitude |
V1 - Takeoff Decision Speed
dry runway |
50
kts |
VR - Rotation Speed dry runway |
60
kts |
V2 - Minimum Climb Speed dry runway |
70
kts |
VREF - Approach Speed flaps 15 or 30 |
60 to 65 kts |
Maximum Range |
280 - 300 n miles
|
RECOMMENDED
AEROBATIC SPEEDS: |
Roll |
120 kts |
Barrel Roll |
120 kts |
Stall Turn |
120 kts |
Loop |
130 kts |
Roll Off the
Top of a Loop |
140 kts |