Pratt & Whitney R-1830-64 Twin Wasp : USA

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88 - Pístový motor / Piston engine

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Czech transcription
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Název:
Name:

Originální název:
Original Name:

Kategorie:
Category:

Výrobce:
Producer:

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To:

Výrobce/Producer

Obec/City

Vlajky/Flags

Období výroby:
Production Period:

From:

Do:

Vyrobeno kusů:
Number of Produced:

Prototyp vyroben:
Prototype Built:

Použití:
Use:

Technické údaje:
Technical Data:

Počet válců:
Number of Cylinders:

Hmotnost:
Weight:

(kg)

(lb)

Celková délka:
Overall Length:

(mm)

(ft in)

Celková šířka / Průměr:
Overall Width / Diameter:

(mm)

(ft in)

Celková výška:
Overall Height:

(mm)

(ft in)

Vrtání:
Bore:

(mm)

(in)

Zdvih:
Stroke:

(mm)

(in)

Zdvihový objem:
Swept Volume: (l/cu in)

(l)

(cu in)

Palivo:
Fuel:

Příprava palivové směsi:
Carburation or Injection:

Kompresní poměr:
Compression Ratio:

Plnění válců:
Mixture Charging:

Chlazení:
Cooling:

Výkony:
Performance:

Výkon:
Power:

(kW) při

(ot/min)

(bhp) at

(rpm)

Poznámka:
Note:

Zdroje:
Sources:

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Manufacturer:	Pratt & amp; Whitney
Produced:	from 1932 - 1951
Made/Number built:	173 618 (all versions)
Basic design:	Twoteen-cylinder Two row radial
Cooling:	by air/Air-cooled
Displacement/Capacity (dm3):	29,978
Bore (B) (mm):	139,7
Stroke (mm):	139.7
Compression ratio:	6,5: 1
Valves/Valvetrain	(OHV) dva na Each cylinder/Two overhead valves per cylinder
Carburation or injection:	Stromberg double carburetor
Fuel:	octane number/Octane No 81/87
Filling cylinders/Mixture charging:	-
Length (mm):	1 532
Diameter/Diameter (mm):	1 220
Weight (kg):	527
Power/Ratings (hp/hp):	900 hp on takeoff 850 horses in h = 2 438 m
Note:	propeller drive via reducer