- Holder
- Pratt & Whitney Division
- Revision
- 0
- Status
- Current
- Product
- Engine
- Models
- 1
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
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Models · 1
| Model | Also known as | Note |
|---|---|---|
| Military R-1340 Series |
Airworthiness directives · 3
ADs whose products are models on this data sheet, matched by model and maker.
STCs approved under this data sheet · 3
What the data sheet saysOCR
This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.
MODEIS: Pratt & Whitney Millrary Models R-1340 series
1,C. NUMBER: 5E-2
Military model SR-1340-E R-1340-19 R-1340-22 R-1340-29 R-1340-36, R-1340-AN-2 R-1 340-51M1.
-40,-47,-49,
Type - 9RA Direct drive Geared 3: 2 Direct drive 13: 2 for -53
only)
Corresponding certif-
icated wasp model S1D1 -53 None None S3H1 S3H1G S1H2
Ratings:
hp, Ipm. Critical altitude in.Hg.. at: 550-2200- ERFERR
(It.) 33-5000
542-2200-
-33-S.L.
550-2200-
34
Fuel 80 octane
aviation
5.75 × 5.75
1344
weight 6:1 715 5437:1 (See NOTE 5) (See NOTE 5) (See NOTE 5)
SAE No. 30 40 30 40
Carburetor 10:1 NA-YSC 14:1 NA-Y7B NA-Y9B NA-Y 9E1 12: 1
NA-Y9E1
VAG-9D VAG-9 Scintilla SBORN S B9 -RN-4
magnetos SB9R or
Bosch SB9RU2
Ignition timing,
degrees BTC 27 25 25
Hydraulic propeller None IWO Constant TWO Non e
provision position speed position
(except
for - 4911)
NOTE 1. Maximum permissible temperatures are as follows:
Cylinder head cylinder barrei 2il inlet
R-1340-E, - 19. - 36. -49M1
-51, - 51M 129 5o degrees F 35 degrees F 200 degrees F
R-1340-24, - 35 degrees F 200 degrees F
NOTE 2. Pressure limits - normal operation:
Maximur Minimum
oil pressure Fuel fressure 90 psi 6 psi. 73 psi. psi.
NOIE 3. The following accessory drives are provided:
Direction of Rotatior. Speed Ratio Maximum Maximum**
(Clockwise or Torque (in. ibs.) Over hang
Counter-Clockwise) Crankshaft Speed) Continuous (in. 1bs.)
Starter cc 2300 10000 180
100 300 183
Generator (optional) 150 900 183
Fuel pump 450 10
Auxiliary Accessory 1. 0 150* 450 10
Tachometer
R.H.
L.H. cc 10
Vacuum pump c 100* 300 10
Early wasp engines incorporate tongue and groove fuel
and vacuum pump drives.
when incorporated in certificated aircraft, the engine name-plate should re stamped, "CAA 3pec. No. 5E-2."
thin metal plate attached beneath he exist eaten are tate i the forman me be stand or dain this information on the
When a new model
designation is required because of changes to the engine, the new designation should be added to the name-plate.
NOTE 5. The following engines incorporate the additional detailed characteristics:
Similar
Certificated
R-1340 Model wt. dry, 1ts. Characteristics
- 36 865 1bs. with magnesium S3H1 Incorporates spline type vacuum and fuel pump
rear section eligible at the 550 Ihp rating
878 1bs. with aluminum maximum continuous and take-off with 80 octane
rear section able, the next higher grade 91/96 should te fuel. when the 80/87 grade fuel is not avail-
used with the 600 khp rating.
-40 865 1bs. with magnesium S3H2 Similar to -36 except dry weight. Engine is
rear section designed for operation with the crankshaft in
878 1ks. with aluminum a position approximately 45 degrees to the
horizontal in helicopters. This has beer.
accomplished ty a means of a special carturetor
adapter and revisions to the engine lubricating
system. Only the forged nose case, P/N 37902,
is to be used on the helicopter engines.
-47 865 1bs. with magnesium S3H1 Similar to -36 except engines incorporates tongue
rear section type vacuum and fuel pump drives.
878 1bs. with aluminum
rear section
-49 865 lbs. with magnesium S3H1 Similar to -36.
rear section
878 1bs. with alumirum
rear section
-49M1 865 1bs. with magnesium S3H1 Similar to -36 ard -40 except for dry weight.
rear section
878 its. with alumirum
rear section
-51 865 lbs. with magnesium S3H1 Similar to -36.
rear section
878 1ts. with alumirum
rear section
- 5141 865 1bs. with magnesium S1H2 Similar to -36 except with 12:1 ratio flower.
rear section
878 1bs. with alumirum
rear section
S1H1-G Similar to -AV-2 except with 12:1 ratio blower.
868 S1H2 Similar to -40 except for dry weight and 12:1
ratio blower.
-AN-1 865 lbs. with magnesium S3H1 Similar to -36 except engine No. P326794 modified
rear section to included (1) 12:1 ratio tlower parts used in
878 lbs. wtth aluminum Civil wasp S1H1 engines, (2) provision for
rear section hydromatic propeller, (3) the S1H1 caburetor
settings, and is similar to the S1H1 model and
has the same ratings as the
-AN-2 Similar to -36, except for dry weight.
NOTE 6. The following spark plugs are approved on these engines: HSR-86; Autolite SH-2K,
390, 2239N, - 2039, 2215E, "1750025