- 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.
On this page
Models · 1
| Model | Also known as | Note |
|---|---|---|
| Military R-2800 Series |
Airworthiness directives · 5
ADs whose products are models on this data sheet, matched by model and maker.
STCs approved under this data sheet · 1
What the data sheet saysOCR
This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.
MODELS: Pratt & Whitney Military R-2800 Series
I-C. NUMBER: 5E-8
Model R-2800-27:-27M-11.- -21M1,-51M3,-51M4 R-2800-31M2,-5 1M2
-*5M15-1-51M1. -63,-75M2,-75M3
Type 18RA
reduction gearing 2:1 except 16:9 on -31,-31M1 2:1 except 16:9 on -31M2
Similar civil model
series
Rating (with low
impeller gear ratio): 7.6:1 7.29:1
Maximum continuous,
bf. rpm, in.Hg.. at:
Rated pressure
altitude (ft.) 1700-2550-43-0-5500 1700-2550-43-5-4800
altitude (ft.) 1700-2550-44.0-S.I. 1700-2550-45.0-S.I.
OI
600-2400-41-5-5300 1600-2400-41.5-4800
1600-2400-43. 2-S.L 1600-2400-43.0-S.I.
take-off (5 minutes),
hE. Ipm. in.Hg., at
(Dry)
2000-2700-51.0-1500
2000-2700-52.0-S.I.
Rating
9.89:1
1450-2400-43.0-13300
(ft.) 1450-2400-43-5-9000
100/130
5.75 × 6.000
2804
6.65:1
See NCTE 3
caa c.L., 14.1
in.
• 2
50
Carturetion Stromberg PI-13G1 or G5 PR-58E2 Or PR-58E5
Scintilla DF-18RN on models Scintilla DF-18RN on models Scintilla DF-18RN
73011631013-51 63310165205101563: G.E. S18-IG-P on models
models -71,-75,-75.41,-79 -59,-59M1,-75M2,-75M3
Ignition timing,
NOTES degrees FIC 1,2,3,4,5,7,9,10, 11 20 1,2,3,4,5,7,9,10,11 1,2.3,4.5.7,9.10.11
Model R-2800-34, -- 34M1 - 85. -85.41. -850. - 34W. 541-52, -5A1, 83442083A12, 3572230127-181 -83A:12,
- 83A2, - 83X06 - 10141
Type 18KA
20:9
series C & CA
7-29:1
1800-2600-44-0-6500
1800-2600-45.0-S.L.
(or for - 83AMUA only -8 3AM 12A only)
1900-2600-4605-4900
1900-2600-47.5-S.L.
(or for -83AM2A only)
800-2600-46.5-S.I
800-2600-45.2-530
Take-off (5 minutes) ,
bp. Ifm, in.Hg., at:
(DrY)
Rated pressure
altitude (ft.) 2100-2800-52-5-3400
Sea level pressure
2100-2800-54.0-S.L.
(or for - 83A2A only
2100-2800-54.0-S.I
-85AM2 only 2100-2800-53-0-3000
(with ADI)
2400-2800-56.0-1000
2400-2800-56.5-S.L.
Fating (with high
impeller gear ratio): 9-45:1
Maximum continuous,
hE. IIm, in. Hg.. at:
Fated fressure
1600-2600-45.0-16200
Iow critical
fressure altitude
(It.) 1600-2600-46-5-10000
30020020500
1500-2500-43-0-10000
Fuel (minimum grade
aviation gasoline) 100/130
Fore and stroke, in. 5.75 × 6.00
[isflacement, cu.in.
compression ratio 6.75:1
weight (dry). 1bs. See NCIE 3
C.G. location (dry)
Forward of mounting
Fad C.I.. in.
Forward of mounting
lug rear edge, in. 11.8
Atove propeller
SnaIt Col. - 2
Fropeller shaft,
SAE NO.
Carturetior. PR-58E2 Or Px-58E5
Igritior, dual DF-18-LN (high tension) or DLN-10 DF-18-IN (high tension) Or DEN- 10
with either. (low tension) ; G.E. • 83,-85,-1014 only, -34 eligitle S18LG for models -57,-73 only (low tension); G.E. S181G for models
Ignition timing,
degrees BIC
NCIES
MOLELS: Fratt & Whitrey Military R-2800 Series (Continued)
I.C. NUMBER: 5E-8 (Continued)
NOzel 1BRA Type R-2800-57M1, -83AM10 R-2800-83AM6, -83AM9 F-2800-52WM1, -83AM5, -83AM16
reductior. gearing 16:9 (2:1 on -57M1 only) 20:9
Similar civil model
series E and C C and CA CB16
Rating (with impeller
gear ratio) ; 7.29:1
Maximum continuous,
hr. rem, in. Hg.
Rated
altitude Sea level fressure 1700-2600-41.5-8000 1800-2600-44.0-6500 1800-2600-46-5-9200
altitude (£t.) 1700-2600-44.0-S.I 1800-2600-45.0-S.L. 1800-2600-48.5-S.I.
Take-off (5 minutes)
in. Hg.. at:
(DrY) (Dry) (Dry)
Rated pressure
altitude (£t.) 2000-2700-50.5-4800 2100-2800-52.5-3400 2050-2700-53.0-6900
altitude (£t.) 2000-2700-52.0-S.I. 2100-2800-54-0-5-1 2050-2700-55.0-S.I
1950-2800-53.0-S.I
(-83AM10 orly) (With ADI) (-82AM9 only) (With ADI)
Rated pressure
altitude (ft.) 2100-2800-53.5-3400 2400-2800-56.0-1000 2400-2800-59.0-5000
Sea level fressure
altitude (ft.) 2100-2800-53.5-S.I. 2400-2800-56.5-S.I. 2400-2800-59.5-8.1.
Rating (with high
impeller gear ratio): 9.45: 1 (-83AM10 only) 9.1:1 8.58:1 (except -83AM1 6)
Maximum continuous,
DERated pressure rpm. in.Hg., at:
altitude (it.) 1600-2600-45.0-16200 1675-2600-47.0-13500 1700-2600-47.5-16800
Icw critical
fressure altitude
Take-off (5 minutes). 1600-2600-46.5-10000 1675-2600-49-0-8000 1700-2600-48.5-10000
negated pressure at: (With ADI) (-83AM9 only)
altitude (ft.) 1900-2600-49.0-10900
Icw critical
fressure altitude
(tt.) 1900-2600-49.5-8000
Fuel (inimum grade
aviation gasoline) 100/130
Fore and stroke, in. 5_75 × 6.00
isplacement, cu. in. 2804
compression ratio 6-75:1
eight (dry). 1D. (See NOTE 3)
C.G. location (dry)
Forward of mounting
ad C.I.. in.
orward of mountin
lug rear edge, in. 11-8 11.6
Above propeller
shaft C.I., in. • 2
Propeller shaft,
SAE NO. 50 60-A
Carburetion PR-58E2 Or PR-58E5
Ignition, dual DF-18IN (high tension)
or DLN-10 (low tension)
Ignition timing,
NOTES degrees BTC 1,2.3.4,5,6,9.10,11,12 2, 3,4,5,6,8,9,10,11, 12 1, 2.3,4.5,8,9.10.11,12
Model R-2800-52499H. -1034 - 52WM2, -83AM7, R-2800-83AM8, -83AM11 R-2800-83AM13, -83AM14
- 83AM15,
Type 18RA
- reduction gearing 20:9 16:9
Similar civil model
series CE17 C and CB B, C ard CB
Rating (with low
impeller gear ratio); 7.29:1
continuous,
rem. in.ig.. at:
raced pressure
altitude (ft.) 1900-2600-50-0-7100 1675-2600-42.0-12000 1700-2600-43.0-11500
Sea level pressure
altitude (ft.) 1900-2600-51-5-S.I. 1675-2600-45.0-S.I. 1700-2600-46.0-S.L.
Iake-off (5 minutes),
hp. Ipm, in. Hg., at:
(Dry) (D×Y) (DxY)
Rated pressure
altitude (ft.) 2200-2800-59-0-5200 1950-2800-51.0-9800 2000-2700-52.0-7700
Sea level pressure
altitude (it.) 2200-2800-60.0-S.I. 1950-2800-53.0-S.I. 2000-2700-53-5-S.I.
(With ADI) (With ADI)
Rated pressure
altitude (ft.) 2500-2800-61.5-3700 2250-2800-55.0-7000
Sea level pressure
altitude (ft.) 2500-2800-62.0-S.I 2630-2000-50.5-5.10
Rating (with high
impeller gear ratio) : 8.58:1 (except -52WM2 &
-83AM11 only) (-8ЗАМ13 опіу)
Maximum continuous,
hE Rated pressure rpm, in. Hg.. at:
altitude (ft.) 1750-2600-49-5-15000 1600-2600-44.0-18000 - -
Icw critical
Fressure altitude
(It.) 1750-2600-51.5-10000 1600-2600-46-5-10000
Take-off (5 minutes),
(With ADI) ..
Rated pressure
all cuae (It.) 1900-2600-49.0-15700
low critical
Fressure altitude
(ft..) 1900-2600-50.5-10000
Fuel (minimum grade
aviation gasoline) 108/135
Fore and stroke, in. 5.75 × 6.00
cisriacement, cu. in. 2804
compression ratio 6.75: 1
neigne (aly) • 1c. See NCTE 3
C.G. location (dry)
Forward of mounting
Fad C.I.. in.
Forward of mounting
lug rear edge, in. 11.6
Above fropeller shaft
C.I., in. • 2
Fropeller shaft,
DAL NO. 50
Carturetior. PR-58E5
Ignition, dual DF-18-IN (high tension)
Or DLN- 10
Ignition timing,
degrees BTC
NOIES 10,11,12 , 10,11,12 1,2,3,4,5,6,9, 10,11,12
NOTE 1. Maximum permissible temperatures are as follows:
Cylinder Head, Degrees F. Cylinder Barrel, Degrees F. Dil Inlet, Degrees F.
F 2800 # Series 500 (Spark Fluy gasket) 340 200 (205 with P/N's
79150 ano 75151 oi1
fur 2/N 20-902 inter- gears o
K-2800 C & CA Series 500 Iow Llower (Well type) 350 212 cylinder oil drain)
450 High Flower for 1600 BHP and
PHP (Well type)
500 High klower for 1500 BHP (well type)
R-2800 CB Seires 500 (Well type) 350 212
NOTE 2.
fuel pressure, psi Minimum with 5 ib. discharge rozzie spring
Kith 10 1k. discharge nozzle spring
cil fressure, psi 100 60
NOTE 3. The following accessory drives are provided:
R-2800-E series engines (basic drives - note exceptions relow)
(Times Crankshaft) Drive Ratio CC = 1C = Counter-Clockwise) Rotaticn Clockwise; Continuous Maximum Torque 1b.) Static Maxinum Overhang (1n. 16.)
Generator (optional Starter 30000 340
on right or left
Vacuum rump (opticnal rear) 1300 12000 300
on right or
Fuel pump 1st Pump auxiliary generator drive) 355 185 2250 1380
2nd Fump auxiliary (right side; c 185 2250 40
Propeller governor side) 185 110 2250 440
R-2800-C, CA and CB engines
rue_ pump Pump Generator (right rear) drives (right . 004 S00 500 355 30000 3000 1380 340 300 10
Power takeoff and leit sides) 250 2250
Propeller governor (left rear) 1-4 - 964 1300 12000 825
R-2800-21, -59, adapters and side auxiliary drives. -63 engines incorporate right and left generator drive pads on rear cover without pump drive
R-2800-43, -51, -75 engines incorporate dual pump drive adapter (over left generator drive) providing 2 argular
R-2800-27, side drive pads similar to 2nd auxiliary and generator tyre drive at rear. -71. -79 engines incorporate a pump drive adafter (over left generator drive) similar to 1st
auxil, argi engines (early serial numbers only) incorporate 2 gun synchronizer drives (right and left side) in lieu of side auxiliary pump drives.
NOTE 4. The above engines incorporate the following additional characteristics:
R-2800 Models Weight (dry) It. Characteristics
2265 Same so -21 except for venge upere a get and dated travisions
2300
2390 he de -31 except for ace eve godder y dave proved changes.
2280
• 31M2 2320 Same as -31M1 except has ich te cylinder and associated changes. Same as -31 excert. has t and reduction gear
type supercharger and associated
2360
2360 Same as -34, modified by American Airlines for water injection short type rods ignition system.
operation with water regulator, P&WA P/N 90573 with No. 27
2360 Sametes -su with military
2300 2300 Same as B Series, basic model, has dual vacuum pump drive adapter over which must be removed per NOTE 5 left generator -51, but incorporates different mounting brackets. drive.
2390 Same as i except type see are and as cited
2340 Similar to -51M1 except has
2365 Simlar to -51M1 except has no high blower drive and clutches.
(LI) 2400 similar to -al except has no hign blower drive and clutches.
2400
2367
Same as -34 except has single-speed supercharger.
with -83AM3 water injection system optional.
Same as -57 except has -75 nose section. also necessary for retention and lubrication of the -75 nose Associated changes are
section and for the drive arrangements to accommodate magnetos.
same as -57 except has CB type cylinders, pistons, crank shaft,
long rods and associated changes, low tension ignition system
on ADI system.
2290 injection ior miiitary use. as -21 except for carburetor, ignition system, and has water
Same as -59 except has "C" type cylinder and associated changes.
same as -2l excert nas water injection for miliary use.
same as -2/ except nas G.i. lonicion syscem
Same as -57 except has G.E. ignition system and double acting
propeller frovisions. ADI rating with -83AM3 water injection
system optional.
Same as -51 except has G.E. ignition system.
- 75M1 2415 same as -75 except has "C" type cylinders and associatel changes.
- 75M2 same as -75 except has no high blower ratio or clutches.
- 75M3 2390 Same as -75M1 except has no higher blower riel visione ADI
-77 2321 Similar to -57 but has double acting propeller provisions.
Iating with -aJAMs water injection system optional.
-79 2325 Same as -71 except has PT-1365 carburetor and water injection for
military use.
-83 2392 Same as -83A except has G.E. ignition system.
- 83A 2367 Similar to -34, has double acting governor and water injection for
militar use
- 83AM2 2367 same as -83A but has no high ratio blower gears. ADI rating
with -83AM3 water injection system optional.
0034028 2360 ame as -83AM2 except incorporates modifications as specified i
anadalr Report CES1000 Issue 4 FAA approved 7/11/6.
-83AM3 2367 Same as -83A except modified by American Airlines for water
injection operation at take-oit with water reqularor. PEWA P/N
90573 with No. 27 water jet or P&WA P/N 190255 regulator.
- 83AM4 2367 Same as -83A except has the original Double wasp CA Type crank-
shaft, having one heavy and one lightweight damper. When the
crankshaft with the two lightweight dampers is installed per
NOTE 12, this engine becomes an - JAD engine. when equipped
with water regulator, is eligible for ADI take-off power
- 83AM5 - 83AM4A 2367 2400 sany delisten beetle asp CB16 except has sect on. Hater Same as -83AM4 but modernized to include CA, CB long rod type
section, crankcase housing and accessory rear section.
eatnes constant liow or varlaDle ilow type, cut
only variable flow type can be mounted on engine case.
- 83AM6 2367 Same as -83A except has civil Double wasp CA18 high rat10
gearing 983AMS with eatings 01-52 (CB17) using 105/135 fuel
-83AM7 2400 same as
-83AM8 2367 Same as -83AM3 except has CB3 supercharger, associated changes
-83AM9 2380
-83AM10 2360
Associated changes are also necessary for retention
and lurrication of the -31 nose section and for the drive
arrangements to accommodate magnetos.
-83AM11 2400 Same as -83AM3 except has CB16 supercharger, reduced ratings
and associated changes.
-83AM12 & -83AM12A 2342 same as rosan out nas no nign racio ciover gears
- 83AM13 2393 Same as -83AM10 except has CB16 supercharger, associated changes
and ratings.
-83AM14 2360 Same as -83AM10 except has CB3 supercharger, associated changes
and ratinqs.
- 83AM15 2367 Same as -83AM7 except has no high Llower ratio and clutches
-83AM16 2400 Same as -83AM5 except modified to a single speed impeller drive
per PEWA Service Bulletin 1760.
-85 2375 Same as -83A but has G.E. ignition and no water injection
frovision.
-85 MI 2367 Same as -83AM3 except has G.E. ignition and water injection
provision.
- 85A Same as -85 rut has scintilla ignition.
-85AM1 2365 Same as -85 except has American Airlines ADI torque nose for
autofeathering, Scintilla ignition, and provisions for double
acting governor.
-85AM2 2365 same as -85AM1 except has no provisions for double acting governor.
- 85XA 2365 Same as - 85A plus a higner ratio generator drive.
2400 Same as -52W except has two high-speed (3.003:1) generator drives.
2351 Same as -57 except has G.E. ignition system and two high-speed
(3.003:1) generator drives. ADI rating with -83AM3 water
injection system optional.
- 101M1 2360 Same as -101 except has two-speed supercharger and low-speed
generatcr drive on right side.
- 103W 2400 Same as -52w except for carburetor setting.
The к-2800-59, possibly some other "B" series engines, and all "C" series engines incorporate carburetor:
a built-in derichment valve. Except for those engines with ADI civil ratings, the derichment valve
inge in ta ment and in the rest say penny. (rect to pen 1-280 ith to. sep coveting co version. Remove all water
to R-2800-34W engines to R-2800-34 enqines.)
NCIE 6. The G.E. P-18HG-9 ignition harness and the G.E. S18RG-2 magneto are eligible or. all "C" series ergires.
NOTE 7. R-2800-B series engines are eligirle for operation on Grade 91 fuel at the followirg maximum ratirgs:
Maximum continuous: 380-2400-38-5- • 5-S.: 4100-2400-33-5-10000
1380-2400-34.5-10500 1100-2400-32.0-21000
Takeoff: 1650-2700-42.0-5.I..
The take-off ratings using anti-detonant injection are permissible when the engine is equipped with a FEwA
No ratings. The ADi fluid may be composed of any the wing solutions volume. at The ADI fluid may be composed of any of the following
(1) Methyl alconol 50 percent and water 50 percent; (2) Methyl alcohoi €0 percent
anci water 40 percent; (3) Methyl alcohol 25 percent, Ethyl alcohol 25 percert and water 50 percert; (4)
alconol 60 parts, water 40 parts, anti-corrosion oil 1 fart, fer British Specifications D-Eng. R..D. 2470 dated
tc the nameplate.
i a wa spedo no vo wigh onion ter lit ench a high end on gotten spare coral a of but. two low tension distributor
NOTE 11. The following spark plugs are approved on these engines:
May be used in rear position of both front and rear rows but not in front of either row.
** Rear position of front row only.
type ran art itse it dame exist be in or orate six is to be addr The suffix "H" is to be added
the engine model designation on the nameplate when the original Double wasp CA type crankshaft with the
heavyweight front damper and lightweight rear damper is determined to be incorporated.