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1

Saturday, November 21st 2009, 6:14am

Transport aircraft

Types in service

Powered transports
Ripon C-1 monoplane
Ripon C-1 Bi-plane (a few examples still in service)
Ripon C-2
Ripon C-3
Ripon-Bloch 161
Ripon Bloch 220


Gliders
Roth-Aero RA-1
Roth-Aero RA-2
Ripon GT-1


General aviation craft

Roth R-11 Rover
Roth R-10 Rascal
Roth R-9 Rabbit
Roth R-8 Ranger

2

Saturday, November 21st 2009, 6:14am

Ripon C-1 Transport plane

Type: 2 seat transport
Demensions: span 86', length 55', 3" , height 16', 9 "
Empty weight: 8,818 lb (4,000 kg)
Loaded weight: 13,074 lb (5,930 kg)
Crew: 2 with accomidations for 10 passengers
Powerplant/performance: two 500 HP Roth 14 clinder double row radial engines, speed 128 mph/206 km, ceiling 13,500 feet, Range 563 km/350 miles
Armament: none

Bi-plane version, not accepted for military service

3

Saturday, November 21st 2009, 6:14am

Ripon C-2


Type: 2 seat light transport
Demensions: span 57 ft-9", length 45 ft-3.75 in, height 11 ft-6 in
Crew: 2 with accomidations for 6 passengers
Powerplant/performance: two 235 HP Roth 7 clinder single row radial engines, speed 186 mph/300 km, climb rate 6,560 feet in 10 minutes, ceiling 16,570 feet, Range 1000 km/621 miles
Armament: none

4

Saturday, November 21st 2009, 6:15am

Ripon C-3

Type: 2 seat transport
Demensions: span 56 ft, length 60 ft, height 16 ft-10 in
Crew: 2 with accomidations for 12 passengers
Powerplant/performance: two 710 HP Roth 9 clinder single row radial engines, speed 230 mph/370 km, ceiling 23,000 feet, Range 1500 km/930 miles
Armament: none

5

Saturday, November 21st 2009, 6:18am

Ripon C-4

General Type:
Airplane = 1
Airship = 2
Orbiter = 3
1

Year of First Flight: 1940

Description

Conventional Aircraft
Monoplane
Conventional Fuselage

A 16-seat passenger aircraft and transport. Two crew.



Characteristics:

Weight (maximum) 23,000 lbs
Weight (empty) 16,216 lbs

Length 63 ft
Wingspan 85 ft
Wing Area 939 sq ft
Sweep 2 degrees

Engines 2
Ripon R-1200-015A
Piston

1,200 hp
at 10,000 ft


Crew 2


Typical cost $0.128 million in 1940
Total number procured 100


Performance:

Top Speed 228 kts = 262 mph
at 15,000 ft
Mach N/A

Operational Ceiling 28,500 ft

Range 808 nm = 930 miles
with 3,593 lbs payload
3,823 lbs released at halfway point

Climb 1,225 fpm

Cruise 157 kts = 181 mph
at 10,000 ft

Corner Speed 158 KIAS =
183 kts at 10,000 ft
Mach N/A
Turning Rate 23.3 deg/sec
Radius 1,518 ft



Internal Data:

Intake / Fan Diameter 9 ft

Bypass Ratio 81.85

Engine Weight 1410 lbs
Overall Efficiency 22.5 percent

Structural Factor 1.00

Number of Wings 1
Number of Fuselages 1

Limiting Airspeed 350 kts
Wing Ultimate g Load 6.00 g
Wing Taper 0.1
Wing Thickness at Root 1.4 ft

Tail / Canard Factor 0.3

Number of Nacelles 2
Length 8 ft
Diameter 3 ft
Fullness 0.4

Fuselage Diameter 7.5 ft
Fuselage Fullness 0.6

Pressurized Volume 0 percent
Cargo Decks 1

Cleanness 79 percent
Unstreamlined section 5.3 sq ft

User equipment 700 lbs

6

Saturday, November 21st 2009, 6:18am

Ripon-Bloch 161

Type: transport
Demensions: span 96' 5", length 80' 7", height 18' 3"
Crew: 5 with accomidations for 33 passengers
Powerplant/performance: n/a
Speed: 405 km/h/ 252 mph
Ceiling: 7200 m/23600 ft
Range: 1000 km/621 miles
Armament: none

7

Saturday, November 21st 2009, 6:18am

Ripon-Bloch 220

Type: transport
Demensions: span 74' 10.5", length 63' 1.25"
Crew: 4 with accomidations for 16 passengers
Powerplant/performance: n/a
Speed: 343 km/h/213 mph
Ceiling: 7000 m/22950 ft
Range: 1400 km/870 miles
Armament: none

8

Saturday, November 21st 2009, 6:24am

Roth-Aero RA-1


12 passenger glider, under developement. Expected to see service/production in early 1937

Type: 1 seat light troop/cargo military glider
Demensions: span 60 ft-2", length 35 ft, height 8 ft-10 in
Crew: 1 with accomidations for 12 passengers
Performance: 280 km/h (towing) (150 kts, 173 mph), glide ratio 5.2
Armament: none

9

Saturday, November 21st 2009, 6:24am

Roth-Aero RA-2


Type: 1 seat light troop/cargo military glider
capacity for 20 troops
Expected to see service/production in early 1937

10

Saturday, November 21st 2009, 6:24am

Ripon GT-1

Under developement
(No stats)

11

Friday, February 2nd 2018, 10:44am

Roth R-11 Rover

General characteristics
Year introduced: 1946
Type: General Aviation, rough terrain
Crew: 2
Capacity: 8 pax or 2,900 lb (1,300 kg) payload as a floatplane
Length: 37 ft 5 in (11.40 m) fuselage
Wingspan: 54 ft 9 in (16.69 m)
Height: 17 ft 9 in (5.41 m) fuselage level
Wing area: 355 sq ft (33.0 m2)
Aspect ratio: 8.45
Empty weight: 4,540 lb (2,059 kg)
Gross weight: 6,300 lb (2,858 kg)
Powerplant: 1 × Roth 9-cyl. air-cooled radial piston engine, 450 hp (340 kW)
Propellers: 2-bladed constant-speed propeller

Performance
Maximum speed: 138 mph (222 km/h; 120 kn) at 2,300 ft (700 m)
Cruise speed: 121 mph (195 km/h; 105 kn)
Stall speed: 58 mph (93 km/h; 50 kn) with 40° flap; 67 mph (58 kn; 108 km/h) with no flaps
Rate of climb: 675 ft/min (3.43 m/s)
Wing loading: 17.75 lb/sq ft (86.7 kg/m2)
Power/mass: 14 lb/hp (8.516 kg/kW)

This design can also be fitted with ski's.

12

Friday, February 2nd 2018, 10:54am

Roth R-10 Rascal

General characteristics
Type: Light utility aircraft
Year introduced: 1946
Crew: one
Capacity: one passenger
Length: 21 ft 6 in (6.55 m)
Wingspan: 33 ft 4 in (10.16 m)
Height: 6 ft 3 in (1.91 m)
Wing area: 159.3 sq ft (14.80 m2)
Empty weight: 890 lb (404 kg)
Gross weight: 1,450 lb (658 kg)
Fuel capacity: 25 US gallons (95 litres)
Powerplant: 1 × Roth four cylinder, four stroke, horizontally opposed aircraft engine, 85 hp (63 kW)
Propellers: 2-bladed

Performance
Maximum speed: 125 mph (201 km/h; 109 kn)
Cruise speed: 105 mph (169 km/h; 91 kn)
Stall speed: 45 mph (72 km/h; 39 kn) flaps down
Never exceed speed: 140 mph (225 km/h; 122 kn)
Range: 450 mi (391 nmi; 724 km)
Service ceiling: 15,500 ft (4,700 m)
Rate of climb: 680 ft/min (3.5 m/s)
Wing loading: 9.1 lb/sq ft (44 kg/m2)

13

Friday, February 2nd 2018, 11:11am

Roth R-8 Ranger
General characteristics
Type: General Aviation aircraft
Year introduced: 1935
Crew: 1
Capacity: 10
Length: 32 ft 4 in (9.86 m)
Wingspan: 51 ft 6 in (15.70 m)
Height: 10 ft 1 in (3.07 m)
Wing area: 325 sq ft (30.2 m2)
Empty weight: 4,240 lb (1,923 kg)
Max takeoff weight: 7,400 lb (3,357 kg) ;7,540 lb (3,420 kg) with floats
Fuel capacity: 100 imp gal (120 US gal; 450 l) in two wing roots + optional 37.4 imp gal (44.9 US gal; 170 l) or 2x 101.6 imp gal (122.0 US gal; 462 L) auxiliary tanks in the cabin
Powerplant: 1 × Roth 9 cyl.air cooled radial piston engine, 600 hp (450 kW)
Propellers: 3-bladed, 9 ft 0.75 in (2.7623 m) diameter

Performance
Maximum speed: 155 mph (249 km/h; 135 kn) landplane; 138 miles per hour (120 kn; 222 km/h) (skis); 134 miles per hour (116 kn; 216 km/h) (floats)
Cruise speed: 130 mph (209 km/h; 113 kn) KTAS @ 10,000 ft (3,000 m)
Stall speed: 68 mph (109 km/h; 59 kn)
Range: 932 mi (810 nmi; 1,500 km) @ 10,000 ft (3,000 m)
Service ceiling: 17,000 ft (5,200 m)
Rate of climb: 591 ft/min (3.00 m/s) at 100 miles per hour (87 kn; 161 km/h)
Wing loading: 22.8 lb/sq ft (111 kg/m2)
Power/mass: 12.3 lb/hp (7.48 kW/kg)
Maximum - Flaps extended (Vfe): 108 miles per hour (94 kn; 174 km/h)

14

Friday, February 2nd 2018, 11:13am

Roth R-9 Rabbit

General characteristics
Year introduced: 1939
Type: light utility aircraft
Crew: 1
Capacity: 3 passengers
Length: 24 ft 10 in (7.57 m)
Wingspan: 33 ft 10 in (10.31 m)
Height: 7 ft 3 in (2.21 m)
Wing area: 180 sq ft (17 m2)
Empty weight: 1,300 lb (590 kg)
Gross weight: 2,220 lb (1,007 kg)
Fuel capacity: 35 US gal (29 imp gal; 130 L)
Powerplant: 1 × Roth 7-cylinder radial engine, 145 hp (108 kW)

Performance
Maximum speed: 162 mph (261 km/h; 141 kn) at sea level
Cruise speed: 143 mph (230 km/h; 124 kn)
Stall speed: 47 mph (76 km/h; 41 kn)
Range: 550 mi (478 nmi; 885 km)
Service ceiling: 18,900 ft (5,800 m)
Rate of climb: 1,000 ft/min (5.1 m/s)