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1

Wednesday, December 21st 2011, 4:31am

EMBRAER CT-1 Potro

So coming in conjunction with an pending news anouncment will be an anoucment from EMBRAER regarding a transport aircraft. This will be the historical
Antonov An-2. Stats are reproduced below (from wiki, additional stats here).


[SIZE=1]Image from here [/SIZE]

General characteristics
Crew: 1-2
Capacity: 12 passengers
Length: 12.4 m (40 ft 8 in)
Wingspan:
Upper wing: 18.2 m (59 ft 8 in)
Lower wing: 14.2 m (46 ft 9 in)
Height: 4.1 m (13 ft)
Wing area: 71.52 m² (769.8 ft²)
Empty weight: 3,300 kg (7,300 lb)
Loaded weight: 5,500 kg (12,000 lb)
Useful load: 2,140 kg (4,700 lb)
Powerplant: 1 × Shvetsov ASh-62IR 9-cylinder supercharged radial engine, 750 kW (1,000 hp)

Performance
Maximum speed: 258 km/h (139 kn, 160 mph)
Cruise speed: 190 km/h (100 kn, 120 mph)
Stall speed: ~50 km/h (26 knots, 30 mph)
Range: 845 km (456 nmi, 525 mi)
Service ceiling: 4,500 m (14,750 ft)
Rate of climb: 3.5 m/s (700 ft/min)
Power/mass: 140 W/kg (0.83 hp/lb)

The only change will be the substitution of a Gnome-Rhone radial of identical power, most likely a modified GR14M. I would like to have this aircraft fly in prototype from in mid to late 1942 with production beginning in early 1943. Is this a acceptable timetable?
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

2

Wednesday, December 21st 2011, 4:36am

I don't see an issue with the timeline. The technology for the design has been around for quite a while. And Brazil has a large area in which such a design would be quite useful.

3

Wednesday, December 21st 2011, 4:40am

Thumbs up from me.

I think your image link is broken, though.

4

Saturday, December 24th 2011, 10:59am

How odd, it was only the other day I wondered if anyone would be cloning the An-2 soon.

Looks fine to me. Should be a very useful and rugged type. An export version with an American radial might do very well in the Americas.

5

Saturday, December 24th 2011, 6:07pm

I agree, but Gnome-Rhone has been kind enough to build a factory that will be ready to start producing engines soon hence the choice to use one of there engines. Got to keep the local people employed somehow.
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

6

Wednesday, December 28th 2011, 11:12pm

American airlines are likely only to buy with an American radial (makes sense given P&W and Wrights parts distruibution etc and commoness everyhwere). I think Embraer could widen the engine choice as sales pick up and production gets under way. Still for domestic orders the Gnome-Rhone makes sense and in Europe they would be quite common and in French colonies etc. That's a fairly large market to tap.