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PZL Aircraft Designations

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PZL (Państwowe Zakłady Lotnicze) Numerical Aircraft Designations - 1928-1939

PZL P.1 - Zygmunt Puławski's 'mewi' (gull-wing) fighter prototype
- PZL P.1: 630 hp Hispano Suiza 12 Lb V-12, all-metal constr.
- P.1/I : 1st prototype, flown Aug 1929, small tailplane
- P.1/II: 2nd prototype, flown Mar 1930, strengthened structure

PZL P.2 - [Project] revised P.1 with bracing wires (not struts)
- PZL P.2: Fuselage built, concerns over struct. strength

PZL Ł-2 - 1932 liaison/utility parasol monoplane, span 13.4 m
- PZL Ł-2: 1 x 240 hp Škoda-Wright J-5A, 1 x 7.7 mm Lewis mg
-- Ł-2 designed by inż. Jerzy Dąbrowski and Franciszek Kott
-- 30 PZL Ł-2 built but Lublin R-XIII preferred

PZL-3 -- [Project] 4-engine bomber by inż. Władysław Zalewski
- PZL-3: Monoplane with 4 x push-pull Bristol Jupiter radials

PZL-4 -- [Project] 1928 single-engine pax a/c (poss. T-200)
- PZL-4: (I) Work abandoned, 1928 contest won by PWS-20

PZL-4 -- 1932 pax a/c, inż. Zygmunt Bruner and Stanisław Prauss
- PZL-4: (II) Trimotor based on twin-engined project T-600*
-- 3 x 240 hp Škoda-Wright Whirlwind J-5 radials, span 24.4 m
-- * Considered were single-engine T-200, twin T-400 and T-600

PZL-5 -- 1930 2-seat sports/school trainer biplane, span 8.4 m
-- PZL-5 designed by Stefan Malinowski and Władysław Kozłowski
- PZL-5 : As planned, 1 x 85 hp DH Gipsy I inline 4-cylinder
- PZL-5 : As built, 1 x 100 hp Gipsy I, 1 prototype, 2 x pre-series
- PZL-5a: Revised prototype, 1931, 1 x 94 hp Cirrus III (SP-AEE)
- PZL-5a: 1931 prod'n model, x 11 (Cirrus III or Gipsy I engines)
- PZL-5 bis: Enlarged military vers. with 120 hp DH Gipsy II
-- PZL-5 bis lost out to competing RWD-8 in Polish AF competition
-- Władysław Zalewski WK-3: 1933 private PZL-5bis devel. x 1

PZL P.6 - Radial-engined P.1/II, 1 x 480 hp Jupiter VI FH*
- P.6/I: Prototype, flown Aug 1930, crashed 11 Oct 1931
-- P.6 had high-altitude rated Jupiter air-cooled radial
-- * Some sources say 1 x 480 hp Gnome-Rhône Jupiter 9aC

PZL P.7 - Improved PZL P.6, 1 x 480 hp Jupiter VII F, span 10.57 m
- P.7/I : 1st prototype, Oct 1930, Bristol Jupiter, helmeted cowl
- P.7/II: 2nd prototype, Fall 1931, Bristol Jupiter, Townend ring
- P.7a : 1932 prod'n model, P.8-style wings, 2 x 7.7mm Vickers E
-- Polish-built 480 hp Škoda-Bristol Jupiter VII F powered P.7a
-- P.7 had standard rated Jupiter VII F air-cooled radial

PZL-8 -- [Project] Float vers. of PZL-5 trainer by Stefan Malinowski

PZL P.8 - Fighter, inline-engined parallel devel. to P.6/P.7
- P.8/I -- 1st prototype, Aug 1931, 640 hp HS 12Mc V-12
- P.8/II - 2nd prototype, Mar 1932, 675 hp LD 12H Pétrel V-12
-- P.8/II later redesignated PZL P.9, below

PZL-9 -- [Project] twin-float vers. of PZL Ł-2

PZL P.9 - 1932 fighter, redesig'd 2nd prototype PZL P.8/II

PZL-10 -- [Project] 1930-31 low-wing monoplane bomber
- PZL-10: 4-seat, twin-engined (prob. Jupiter VIIF)
-- Retract. main u/c, design by inż. Franciszek Misztal

PZL P.10 - [Project] fighter, proposed 3rd prototype PZL P.8
- P.10: PZL P-10 - 750 hp Rolls-Royce Kestrel V-12 (Kestrel XVI ?)

PZL P.11 - 1931 gull-winged fighter, P.7 devel. with Mercury radial
- P.11 : Designed to take smaller diameter/higher rpm Mercury
- P.11/I : Aug 1931, GR Jupiter IX.ASb, simplified fuselage constr.
- P.11/II: Dec 1931, standard P.7 fuselage, Bristol Mercury IVA
-- 2nd prototype later re-engined with Gnome-Rhône 9K radial
- P.11/III: pre-production prototype, 575 hp Bristol Mercury IV S2
-- P.11/III was prototype for production P.11a model fighter
- P-11/IV : 550 hp Gnome-Rhône 9K (or K.9) Mistral 9-cyl radial
-- P.11/IV was prototype for production IAR P.11b model fighter
- P-11/V : 1933 P.11c prototype, 600 hp Bristol Mercury V S.2*
-- * Later re-engined with 600 hp GR 9Krse as prototype P.11f
- P.11a: 525 hp Škoda Mercury IV S.2, span 10.72 m,, x 30 *
-- * Some sources claim that the LW ordered 50 P.11a fighters
- P.11b: x 50 Romanian vers. of P.11a with 515 hp GR 9Krsd radial
- P.11c: 1934 variant with refined 'gull' arrangment and fuselage
-- Early prod'n P.11c: 595 hp Škoda Mercury V.S2, 2 x PWU wz.33 mg
-- Later prod'n P.11c: 620 hp PZL WS Mercury VI.S2, 2 x PWU wz.33
- P.11d: [Project] 1936 naval fighter for Morski Dywizjon Lotniczy
-- Water-tight fuselage, planned order for 20-24 a/c not realized
- P.11e: [??] Poss. P.11/P.24 variant intended for export to Spain
- P.11f: Romanian P.11c, 610 hp IAR 9Krse Mistral, x ~95 1936-38
- P-X: [Project] 1938 P.11c/P.24 hybrid, led to P.11g (below)
-- P-X: Proposed as P.7a replacement, refused by LW, aka 'PX'*
-- * Note: 'X' (iks) is for the English loan words 'eksperyment'
- P.11g: 1939 Kobuz (Hobby) fighter resembling P.24 with Mercury
-- P.11g prototype: Bristol Mercury VIII, 4 x PWU FK wz. 36 mgs
-- P.11g prototype: PZL WS Mercury 8, 6 x 7.92 mm PWU FK wz. 36
- P.11h: [??] Said to be P.11c/P.24 hybrid, poss conf. with P.11g
-- No desig. for potential P.11 license-prod'n by Walter or Wibault

PZL-12 - 1931 amphibious flying boat, 120 hp DH Gipsy III pusher
- PZL-12: Span 11.05 m, protoype only, aka PZL-H (Hydroplan)*
-- * NB: PZL-12 was a later rationalization of the desig. system

PZL-13 - [Project] 1931 low-wing monoplane communications a/c
- PZL-13: 1 x 450 hp P&W Wasp Junior, eclipsed by PZL-19
-- PZL-13 inspired Stanisław Prauss' design of PZL-23 Karaś

PZL-14 - [Project] 1931 high-wing tourer, 1 x DH Gipsy [??]
- PZL-14: Design abandoned in favour of low-winged PZL-19
-- Resembled DH.80 Puss Moth (Samoloty w Lotnictwie Polskim)
-- http://www.samolotypolskie.pl/samoloty/2297/126/PZL-14

PZL-15 - [Project] 1931 low-wing, twin-float deriv. of PZL Ł-2
- PZL-15: Span 14.5 m, 240 hp Škoda-Wright J5A, pod-and-boom fuselage

PZL-16 - 1932 5 pax high-wing cabin monoplane, Škoda-Wright J5A
- PZL-16: Pax a/c deriv. of PZL Ł-2 (to use existing wing panels)
- PZL-16: Prototype crashed, work stopped, design by S. Prauss

PZL-17 - [Project] 1932 PZL-16 deriv. improved fuselage design
- PZL-17: Span 14.1 m, 240 hp Škoda-Wright, lost comp. to PWS-54

PZL-18 - [Project] 1931 twin-boom torpedo bomber floatplane
- PZL-18: Span 28 m (PZL-4 panels), 2 x 750 hp HS 12 12Nbr/650*
-- http://www.samolotypolskie.pl/samoloty/2300/126/PZL-18
-- * Samoloty w Lotnictwie Polskim lists "404 kW (550 KM)"

PZL-19 - 1932 low-wing cabin tourer, 1 x 130 hp DH Gispy III
- PZL-19: Span 10.42 m, metal structure, 2-3 pax, aka PZL-XIX
-- 3 built, led to PZL-20 trainer project and PZL-26 tourer

PZL-20 - [Project] 1932 lightweight fighter-trainer monoplane
- PZL-20: Military trainer derivative of PZL-19 monoplane tourer

PZL-21 - [??]

PZL-22 - 1932 experimental tailless a/c, 1 x 130 hp DH Gipsy III
- PZL-22: Span ~11 m, single-seat, design by inż. Gustaw Mokrzycki

PZL-23 - Karaś (Crucian Carp) 1934 recce-bomber, span 13.95 m
- PZL-23/I : 1934 1st prototype, low canopy, high engine position
-- First prototype powered by 670 hp Bristol Pegasus IIM 2 radial
- PZL-23/II: Mar 1935 2nd prototype, raised canopy, lowered engine
- PZL-23/III: Fall 1935 3rd prototype, replaced crashed PZL-23/II
- PZL-23A : 1st prod'n, 1 x 670 hp PZL WS Pegasus IIM 2, x 40
- PZL-23B : 2nd prod'n, 1 x 720 hp PZL WS Pegasus VIIIA radial
- PZL-23 Série pour l'etranger: Export Karaś with Gnome-Rhone 14K
-- Mooted in 1936 as a Romanian-built PZL-23 with IAR 14K radial
-- GR 14-powered Karaśiem Bulgarskim (Bulgarian Karaś) = PZL-43

PZL P.24 - Export vers. of PZL P-11 with Gnome-Rhône 14 radial
- P.24/I : Mar 1933, 1 x 725 hp Gnome-Rhône 14Kds, span 10.57 m
-- P.24/I armament: 2 x synchronized 7.92 mm Vickers E mgs
- P.24/II: 1934, 930 hp Gnome-Rhône 14Kfs (initially GR 14Kds)
-- P.24/II armament: 2 x 7.92 mm Vickers E, 2 x 20mm Oerlikon F
- P.24/III: June 1934, 930 hp GR 14Kfs, based on P.11c airframe*
-- * Improved wing/fuselage shape, cockpit canopy, aka P.24 bis
-- P.24/III arm't: 2 x 7.92 mm Vickers E, 2 x 20mm Oerlikon FFS
-- P.24/III prototype sold to Abyssinia in 1936
- P.24/IV : aka Super P.24, x 2, retained as PZL demonstrators
- P.24 : 930 hp GR 14Kfs, 2 x 7.92 mm/ 2 x 20mm FF, span 10.71
-- aka P.24A, Turkey ord. 14 x P.24/licence to build at Kayseri
- P.-24B: 930 hp GR 14Kfs,2 x synch. 7.92 mm, 2 x wing-mounted mg
-- Bulgaria x 14 with GR 14Kmc/36, Turkey license-built at Kayseri
- P.24C: Turkish 4 x mg vers., built alongside cannon-armed P.24A
-- Turkish P.24s reportedly re-eng'd post-WW2 with P&W Twin Wasps
- P.24D: Original designation of Turkish P.24A/P.24C variants
- P.24E: 1 x 970 hp Gnome-Rhône 14N 7, 2 x 7.92 mm + 2 x 20mm
-- Romania ordered 6 x P-24E fighters, low-drag PZL cowling
- P.24F: 1 x 970 hp Gnome-Rhône 14N 7, 2 x 7.92 mm + 2 x 20mm
-- Romanian IAR-built P-24E x 95, Bulgaria x 26,** Greece x 30
-- ** Last of Bulgarian P.24F batch destr. at PZL Warsaw-Okecie
- P.24G: 1 x 970 hp Gnome-Rhône 14N 7, 2 x 7.92 mm + 2 x 20mm
-- Four mg vers. of P.24F, Greece ordered x 6
- P.24H: [??] Reputedly Polish LW vers. confus., with P.11g [??]
-- P.24H: 1,100 hp GR 14N-21, 4 x 20 mm (or 2 x mg + 4 x 20 mm)
- P.24J: [??] Reputedly export vers., more confus. with P.11g [??]
-- P.24J: 1,050 hp GR 14N 01 powerplant, 4 x 20mm cannons fitted

PZL-25 - [Project] single-engined heavy escort fighter concept
- PZL-25: PZL-23 Karaś deriv. with rear 20 mm rear turret gun

PZL-26 - 3-seat PZL-19 deriv. designed for Challenge 1934, x 5
- PZL-26: 1 x 200 hp Menasco Bucaneer B-6S3, span 10.42 m
-- NB: 1938 Dąbrowski Gazela project was a reduced scale PZL-26
-- http://www.secretprojects.co.uk/forum/index.php/topic,16475.msg158581.html

PZL-27 - 1934 Cantilever high-wing trimotor airliner, 2+5, x 1
- PZL-27: 3 x 130 hp DH Gipsy Major I engines, span 13.6 m

PZL P.28 - [Project] 1935 P.24 deriv. with Lorraine Dietrich Pétrel
- P.28: Yugoslav AF suggested use of 775 hp LD Pétrel 12Hdrs V-12
-- P.28 armament: 2 x 20mm Oerlikon, 2 x 7.9 mm Vickers E mgs
-- Development canc'd, P.28's projected performance inferior to P.24

PZL-29 - [??]

PZL-30 - 1936 PZL production vers. of LWS-6 Żubr (Wisent) medium bomber
- PZL-30BI : Prototype Żubr (devel. LWS-6), aka PZL-30B/I
- PZL-30BII: Modified prototype PZL-30BI, aka PZL-30B/II
- PZL-30B : 4-seat twin-engine high-wing monoplane, x 16
- PZL-30[?]: Proposed Romanian vers. with GR 14K radials
-- http://www.secretprojects.co.uk/forum/index.php/topic,12050.msg117324.html#msg117324
-- http://www.secretprojects.co.uk/forum/index.php/topic,12050.msg117399.html#msg117399

PZL-31 - [Project] bomber (no details)
- PZL-31: Poss. derived from the PZL-30 Żubr

PZL-32 - [??]

PZL-33 - [Project] 1935 single-engined, low-wing monoplane fighter
- PZL-33: Light fighter/trainer, 1 x 420-450 hp DH Gipsy King*
-- * Later to be replace by 1 x 420-450 hp PZL G-1620B Mors II
-- Design by inż. Zbysław Ciołkosz for non-strategic materials
-- http://www.samolotypolskie.pl/samoloty/2307/126/PZL-33

PZL-34 - [??]

PZL-35 - [??]

PZL-36 - [??]

PZL-37 - Łoś (Elk) twin-engined monoplane bomber, span 17.93 m
- PZL-37/I : July 1936, 2 x Bristol Pegasus X (engines sabotaged)
- PZL-37/I : Bristol Pegasus XIIs, Dec 1936 first test flight
- PZL-37/II: 2nd prototype 1937, 2 x Bristol Pegasus XX
-- PZL-37/II had twin vertical tails and double main u/c wheels
- PZL-37A: 1st prod'n vers, Bristol Pegasus XIIB, single fin, x 10
- PZL-37A bis: Late 1st series, 2 x Pegasus XIIB, twin fins, x 19
- PZL-37/III : Export PZL-37A prototype, 2 x Gnome-Rhône 14N 00/01
-- 1938 Renard Constructions Aéronautiques license for Belg. AF
- PZL-37B : 2nd prod'n model, 2 x PZL WS Pegasus 20**, aka Łoś II
-- ** Some sources refer to PZL WS-1 built engines as PZL Pegaz XX
- PZL-37[?]: [Project]* heavy fighter, 8 x 7.92 mm PWU wz.37 mgs
-- * Apr 1939, init. by Dep. Head of Technical Dept., Air Command
- PZL-37[?]: PZL-37B re-eng. with sleeve-valve Bristol Perseus**
-- ** 2 conv., one source claims x 1 captured/tested by Soviets
- PZL-37C: [Project] Export vers, 1,020 hp Gnome-Rhone 14N-00/-01
-- 1938 Renard Constructions Aéronautiques license for Belg. AF
- PZL-37D: [Project] Export vers, 1,100 hp Gnome-Rhone 14N-20/-21
-- PZL.37D licensed by Romania (+ 30) and Turkey (x 10 + 25)
- PZL-37[?]:[Project] Export vers, 1,600 hp Gnome-Rhone 14N-24/-25

PZL-38 - Wilk (Wolf) 1938 twin-engined multi-role fighter
- PZL-38 : 2-seat fighter, 2 x PZL WS Foka A, span 11.05 m
- PZL-38/I : 1st prototype, 2 x 420 hp Ranger SGV-770B5 V-12s
- PZL-38/II: 2nd prototype, 2 x 420 hp* PZL WS Foka A V-12s
-- * Foka A planned power 600 hp, actual max power 330 hp
- PZL-38/II: As planned, 2 x GR 14M or HS 14AB 01/14AB 03

PZL-39 - [Project] 1935 single-engined, low-wing monoplane fighter
- PZL-39: aka Lublin LWS-4, various air-cooled inline engines
- PZL-39 prototype: Wooden const'n, 1 x 350 hp Ranger V-770SS
- PZL-39 1st version: Wooden const'n, 1 x 420 hp DH Gipsy King
- PZL-39 2nd version: Mixed const'n, 1 x 420 hp PZL-WS Foka A
-- NB: LWS-5 (1) was PZL G-1620cis powered vers., no PZL desig.

PZL-40 - [Project] 1935 Mewa (Seagull) parasol monoplane obs. a/c
- PZL-40: Zbysław Ciołkosz design (built as LWS-3 prototypes)
-- Orig. designed for 400 hp PZL WS G-1620bis radial or Foka V-8

PZL-41 - [??]

PZL-42 - 1936 PZL-23 Karaś trials a/c, flown in two configurations
- PZL-42: aka PZL-23/IV, 720 hp Pegasus VIIIA, span 13.95 m
-- PZL-42 2-seat dive bomber, proved structurally unsuited to role
-- PZL-42 3-seat recce-bomber with retractable ventral gondola
-- Twin-finned PZL-42 was intended primarily for the export market

PZL-43 - Bulgarian vers. of PZL-23 deriv. with Gnome-Rhône radial
-- In Bulgaria, PZL-43/PZL-43A referred to as Chaika (Seagull)
- PZL-43 : 1937, 900 hp GR 14Kirs, x 12 (deliv'd April-May 1937)
-- NB: PZL-43s re-eng. with GR 14N misident'd as 'PZL-43A'
- PZL-43A: 1939, 980 hp GR 14N 01, x 42 (deliv'd June-Aug 1939)
-- NB: 'PZL-43A' misident. leads to 'PZL-43B' for actual PZL-43A

PZL-44 - 1938 Wicher, 2+15 monoplane airliner, span 23.8 m, x 1
- PZL.44 Wicher (Whirlwind*), 2 x 1,000 hp Wright GR-1820 G2s
-- * Wicher is variously translated as Wind, Whirlwind, or Storm
-- Planned prod'n 1938, LOT x 4, canc. for priority military prod.
-- http://www.secretprojects.co.uk/forum/index.php/topic,3090.msg68195.html#msg68195

PZL-45 - [Project] Sokół (Falcon) 1936-1939 low-winged fighter
- PZL-45 : 1937 plan, 420 hp PZL Foka A or 500 hp Ranger V-770
- PZL-45 : 1939 plan, 1 x 730 hp GR 14M 05 Mars, span 9.01 m
- PZL-45/I: Prototype under constr., expected compl. in 1940
- PZL-45/II: 2nd prototype, retr. u/c, PZL Mercury VIII radial
- PZL-45A : Planned PZL-45/II prod'n model (to be built by PWS)

PZL-46 - Sum (Catfish) 1938 recce-bomber (PZL-23 repl.), span 14.6 m
- PZL-46/I : 1st prototype, Oct 1938, 840 hp Bristol Pegasus XXB
- PZL-46/II: 2nd prototype, Mar 1939, 840 hp Bristol Pegasus XXB
- PZL-46/III: [Project] 3nd prototype, 1,100 hp Gnome-Rhône 14N 21
-- Sept 1939, PZL-46/III airframe complete, engine not delivered
- PZL-46A: [Project] Planned prod'n, Pegasus XXB, x 300 ordered*
-- * PZL-46A prod'n advanced but cancelled in fav. of PZL-11g
- PZL-46B: [Project] Planned export prod'n, 1,000 hp GR 14N 21**
-- ** Bulgaria ordered 12 PZL-46B, then shifted to Fiat engines
- PZL-46[?]: [Project] Bulgarian interest in x 30 Fiat-powered
- PZL Łosoś (Salmon): [Project] Dive-bomber devel. of PZL-46

PZL-47 - [??]

PZL-48 - [Project] Lampart (Leopard) 1939 fighter-bomber
- PZL-48: PZL-38 Wilk devel. with more powerful GR 14M radials
- PZL-48/I : Lampart A, 1 x 20 mm FK wz. 38D, 6 x wz. 36 mgs
- PZL-48/II: Lampart B, 2 x 20 mm FK wz. 38D, 4 x wz. 36 mgs
- PZL-48 fighter: F. Misztal plan for 900 hp GR GN14 engines*
-- * Gnome-Rhône projected 'Super Mars', an improved 14M

PZL-49 - [Project] 1939 Miś (Bear) Dąbrowski PZL-37 devel./repl.
- PZL-49: More powerful,* turreted evol. of PZL-37 Łoś bomber
-- * Plans changed from Hercules I, to 'II, to 'III 'power egg'
-- 4 x flex. 7.92 mm PWU wz.37 + 1 x 20 mm FK wz.38 in turret**
-- ** Alternative turret armament of 4 x 7.92 mm PWU wz.37 mgs

PZL-50 - 1939 Jastrząb low-wing monoplane fighter, span 9.70 m
- PZL-50/I: 1st prototype, 1 x 840 hp Bristol Mercury VIII
- PZL-50A : Jastrząb A, planned prod'n vers. of PZL-50/I
- PZL-50/II: Planned 2nd prototype with more powerful engine*
-- * Taurus II (or III), Hercules II, GR 14N-21, P&W R-1830
-- Sources differ, Bristol Taurus III or R 14N-21 chosen
- PZL-50B : Jastrząb B, planned prod'n vers. of PZL-50/II
-- aka 'P.50' ('P' inappropriate since designed by W. Jakimiuk)

PZL-51 - [??]
-- NB: Desig. misapplied to PZL-Bielsko SZD-51-1 Junior glider

PZL-52 - [??] Poss. longer-winged vers. of PZL-50 Jastrząb*
-- http://www.secretprojects.co.uk/forum/index.php/topic,1471.msg14930.html#msg14930
-- * But also note longer-wing comment under PZL-53 (below)

PZL-53 - [Project] Jastrząb II fighter, PZL-50/II development
- PZL-53: Longer wings [?], 2 x 20 mm FK wz.38D 4 x 7.92 mm
- PZL-53A: Jastrząb IIA, planned prod'n vers., Taurus III *
-- * Other sources claim Bristol Hercules III to be fitted
- PZL-53B: Jastrząb IIB, planned prod'n vers., GR 14N-21 **
-- ** Other sources claim 9-cyl 1,200 hp PZL WS Waran engine

PZL-54 - [Project] Ryś* 1939 heavy fighter-bomber, span 11.50 m
- PZL-54: Enlarged PZL-48, 2 x 1,600 hp Hispano-Suiza 12Z V-12
-- * Ryś has been translated variously as Lynx or Wildcat

PZL-55 - [Project] 1938 low-wing fighter, 20 mm moteur-canon*
-- * Sources vary on MG armament (6 or 8 x 7.92 mm PWU wz.36)
- PZL-55: 1 x 1,280 hp Hispano-Suiza 89 ter, span 11-11.25 m
-- Dąbrowski's fighter evolution from the 1934 PZL-26 tourer

PZL-56 - [Project] 1938 Kania (Kite) PZL-50 Jastrząb devel.
- PZL-56: 1,600 hp HS 12Z (HS-89ter)*, longer-span wing**
-- * Other sources say interim HS 12Y-51 was to be fitted
-- ** Other sources say PZL-50 airframe with HS 12 V-12

PZL-57 - [Project] 193? Recce-bomber, possibly devel. from PZL-46

PZL-58 - [??]

PZL-59 - [??]

PZL-60 - [??]

PZL-61 - [??]

PZL-62 - [??]

PZL-62 - [sic] Mistaken designation for PZL-55 monoplane fighter
-- Dąbrowski's Percival P.68 design based on pre-WWII PZL-55
-- Percival P.68: [Project] 2-seat Gazelle AOP, to Spec. A20/49

PZL-63 - [Project] 1939 low-wing fighter with radial engine*
- PZL-63: Mistaken desig. for W. Jakimiuk's PZL-53 Jastrząb II
-- Presumed armament: 2 x 20 mm FK wz.38D + 4 x 7.92 mm wz.36
-- * PZL-63 to be powered by one of 3 poss. radial engines**
-- ** 1,590 hp Gnome-Rhône 14R-4 (when using 92 octane fuel)
-- ** 1,300 hp PZL-Bristol Hercules II 14-cylinder radial, or
-- ** 1,200 hp PZL WS-1 Waran (Goanna) 9-cylinder radial

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Apophenia

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PZL (Państwowe Zakłady Lotnicze) Aircraft Designations Aircraft Designations

These are apparently unnumbered PZL aircraft designs. Presumably such designs were issued with PZL designation numbers (below) but none have yet been found.

As Yet Uunnumbered PZL Designations - 1928-1939

GMC - [Project] 1933 fighter modernization studies (for 1938-1940/41)
- GMC : Górnopłat Myśliwski Ciołkosza (High-wing Fighter by Zbysław Ciołkosz)
- GMC : (I) tandem wheel main u/c with smaller outrigger wheels
- GMC: (II) more conventional, widely-spaced main undercarriage

Żbik - [Project] 1935 2-seat low-wing monoplane, all-metal construction
- Żbik (Wildcat): High-altitude reconnaisance or fighter aircraft
-- Probably intended for Naval Aviation service, retractable u/c

PZL-?? - [Project] 1936 Wyżeł (Pointer) twin-engined trainer
-- Transferred to PWS. Built as PWS-33

PZL-?? - 1936-37 twin-boom pusher fighter, 1 x 20 mm 2 x 7.92 mm
-- 1 x 450 hp PZL Foka A, inż. Kazimierz Korsak and Tadeusz Tarczyński

PZL-?? - [Project] 1939 Łosoś (Salmon) dive-bomber devel. of PZL-46
- Łosoś: Reduced scale, retrac. u/c, single tail, Hispano-Suiza 12Z

PZL-?? - [Project] 1939 long-range recce aircraft by Tadeusz Sołtyk
-- http://web.archive.org/web/20111015130659/http://www.samoloty.ow.pl/str312.htm

PZL-?? - [Project] 1939 long-range recce aircraft by Stanisław Prauss
-- Probably a PZL-46 devel. with Bristol (PZL) Hercules radial*
-- * Other sources suggest PZL WS Waran or Legwan as alternatives
___________________________
 

Apophenia

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PZL (Państwowe Zakłady Lotnicze) Foreign Licensed Production - 1928-1939

PZL Blériot-SPAD S-61 - 1928 x 30 (taking over CWL* production)
- Blériot SPAD S-61C1: Licensed prod'n begun at Francopol, 1926
-- 1 x 450 hp Lorraine-Dietrich (Škoda-built) LD-12Eb W-12
-- * Centralnych Warsztatów Lotniczych or Central Air Workshops

PZL Wibault 7 - 1928* French Wibault 70 parsol monoplane fighter
-- * Prototype, Wibault 7 prod'n ran between 1929 and 1930
- Wibault 7 (Jupiter): x 22, 500 hp Gnome-Rhone Jupiter 9 Ac**
-- ** Poss for prototypes, prod'n likely had Škoda Jupiters
- Wibault 7 (Cyclone): x 3, 500 hp Wright Cyclone radial***
-- *** Polish license prod'n of Wright Cyclone was planned

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hesham

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Excellent work as usual my dear Apophenia,


and I can add;


PZL-Y,T-200,T-400,T-600 were a projects for 8-10 passenger transport aircraft,powered
by different engines,in 1928.


PZL-57 was a bomber/recce aircraft project,developed from PZL-46,(not 100% sure,I will check).
 

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Thanks Hesham. I'll add the PZL-57. Now, here are the pre-war PZL engines ...

Škoda/PZL WS-1 Aero Engines - 1928-1939
PZL Škoda (Polskich Zakładów Skody) or PZL WS-1 ((Wytwórnia Silników-1)

Škoda Licensed Engines - Lorraine-Dietrich

Lorraine-Dietrich LD 12Eb water-cooled inline W12 engine
- LD-12Eb: 450 hp, bore 120 mm, stroke 180 mm
-- aka Skoda-Lorraine-Dietrich LD 12
-- http://www.muzeumlotnictwa.pl/zbiory_sz.php?ido=228&w=a

PZL WS-1 Licensed Engines - Walter

PZInz Junior - Walter Junior 5.8L air-cooled inverted 4-cyl inline
- Junior: 1934-1939, built by PZInz, Czechowice-Ursus
- Junior: 1939, 1939, prod'n moved to PZL WS-2, Rzeszow
-- Total Polish licensed prod'n of Walter Junior, x 600+

PZInz Major 4 -- Licensed Czech Walter Major inverted inline 4-cyl
- Major 4 : 130 hp, bore 118 mm, stroke 140 mm
- Major 4B: 130 hp, flown in 1938 PWS-33 Wyzel

PZL Major III - [sic] almost certainly confus. betw. DH and Walter engines

Škoda/PZL WS-1 Licensed Engines - Bristol

Škoda-Bristol Jupiter
- Škoda followed Bristol desig. practice

PZL-Bristol Mercury
- PZL WS-1 followed Bristol desig. practice

PZL-Bristol Pegasus
- PZL WS-1 followed Bristol desig. practice

Bristol abbreviation examples are:
Mercury IV S.2 = 4th variant, supercharged, 2 reduction gears (0.666)
Pegasus II M.2 = 2nd variant, medium supercharged, 2 reduction gears

NB: Merkury and Pegaz were sometimes used as unofficial names

Škoda/PZL WS-1 Licensed Engines - Wright

Wright J-5A Whirlwind - 9-cylinder air-cooled radial, 220-240 hp*
-- * Flight 1939 - "PZL Wh" maximum power list as 220 hp max

PZL WS-1 Planned License-Produced Aero Engines (Unrealized)

Hispano-Suiza 12Z (HS-89ter) liquid-cooled moteur canon V-12

Bristol Hercules 14-cyl air-cooled radial
- License agreed May 1938 for PZL WS-1 built Hercules IM*
-- Later amended to Hercules II, then Hercules III 'power egg'

Lorraine-Dietrich 12H Pétrel liquid-cooled V-12 engine

___________________________________________________

Skoda/PZL WS-1 Aero Engines - 1928-1939
PZL Skoda (Polskich Zakladach Skody or PZL WS-1)

Škoda/PZL WS-1 Original Engine Designs - 1928-1939

The radial engine designs by Stanisław Nowkuński had US-style designation applied. For the Skoda/PZL engines, displacement was given in cubic centimetres. The prefix 'G' stood for silnik Gwiazdowy (Radial engine), 'R' was for radials with a Reduktor (Reduction gear).

The US-style engine designation system was probably abandoned at the time of Stanisław Nowkuński's death. No such designation was applied to his last design, the named Foka.

With the late 1930s change to names-only, engines were given the names of water mammals. This was changed for later radial engine projects which received reptile names.

Skoda G-594 - 1930 120 hp 7-cyl* air-cooled radial
- G-594: Stanisław Nowkuński design, 100-120 hp
-- * NB: G-594 had an 'inverted' cylinder arrangement
-- G-594 nicknamed 'Czarny Piotruś' (Black Peter)

Skoda GR-760 - 1933-34 290 hp 9-cyl air-cooled radial
- GR-760: Stanisław Nowkuński design

PZL G-1620 Mors* - 1932 9-cyl radial, S. Nowkuński design**
- PZL G-1620A Mors : 340 hp (430 hp T/O), later 'Mors A'
- PZL G-1620B Mors B: 410 hp (470 hp T/O)
-- aka PZL Mors I (to diff. from Mors II/Wydra series
-- * Mors = Walrus (not otter as sources often show)
-- ** Mors based on P & W Wasp Jr with Bristol cyl head features

PZL G-1620bis Wydra - 1934 9-cyl radial (orig. Mors II)
- G-1620 bis: 430 hp, S. Nowkuński design
- G-1620 cis: [Project] Uprated (~500hp, ~600 hp T/O)*
-- * G-1620 cis aka Mors C was to be fuel injected
-- NB: Wydra translates as Otter

Delfin (Dolphin) 193? Wright J-5 derivative, 280 hp

PZL Foka (Seal) - 1934 series of air-cooled inverted-V engines
- Foka A : 1938 inverted V-8, intended to produce 450-600 hp
-- Foka A only produced 330 hp in prototype form, x 8 built
- Foka B: [Project] Inverted V-12, intended to produce 700 hp
-- Prototype Foka B construction had only commenced in 1939

Waran (Goanna) - [Project] 1936-39 9-cyl air-cooled radial
- Waran: Intended to produce ~800-1,200 hp, 25.92 L
-- Design by Jerzy Belkowski and Henryk Jackowski
-- Claims of 5 x Waran prototypes being built in 1939

Legwan (Iguana) - [Project] 1938-39 18-cyl air-cooled radial
- Legwan: Twin-row GR.1620 Mors II derivative, ~2,000 hp
-- Intended as a ~1941 GR.14M 05/07 Mars replacement
-- Design by inż. Jerzy Belkowski

[??] - [Project] 1939 - 4-row 4,000 hp radial engine
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Also in my files,

PZL-31 was a bomber Project,no other details are known.
 

hesham

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blockhaj said:
Any info on jet projects?

Hi Blockhaj,

for PZL Jet Projects and aircraft,please see;

http://www.secretprojects.co.uk/forum/index.php/topic,4653.0.html
http://www.secretprojects.co.uk/forum/index.php/topic,818.0.html

Later I will open a topic for PZL Mielec Designation.
 

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Apophenia said:
PZL (Państwowe Zakłady Lotnicze) Numerical Aircraft Designations - 1928-1939

PZL-21 - [??]

PZL-25 - [??]

The PZL-21 probably was a concept of single-seater fighter / fighter trainer aircraft, based on the PZL-20 racer.

The PZL-25 was a concept of heavy escort fighter with a rear turret armed with 20 mm gun, based on the PZL-23 Karaś.

The PZL-62 is a wrong designation and in fact it's referring to the PZL-55.

The PZL-63 is a wrong designation and in fact it's referring to the PZL-53 Jastrząb II.
 

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I'm very sorry, I don't know what I was thinking about when I wrote such silly things of the PZL-21 designation. I still don't know anything about that aircraft.
I meant the PZL-20 fighter based on PZL-19. Apophenia has placed both types on the list.
 

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Many thanks for the additions and corrections Boogey :)
 

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Apophenia said:
PZL Wibault 7 - 1928* French Wibault 70 parsol monoplane fighter
-- * Prototype, Wibault 7 prod'n ran between 1929 and 1930
- Wibault 7 (Jupiter): x 22, 500 hp Gnome-Rhone Jupiter 9 Ac**
-- ** Poss for prototypes, prod'n likely had Škoda Jupiters
- Wibault 7 (Cyclone): x 3, 500 hp Wright Cyclone radial***
-- *** Polish license prod'n of Wright Cyclone was planned

_________________________

The licence-built Wibault fighter had Polish designation Wibault 70 C1 agreed with the French producer.
Originally the type 73 C1 with a Lorraine-Dietrich LD-12 Eb engine had to be built in Poland.

Ryś means in English Lynx ;
Żbik means in English Wildcat ;
Miś is in fact a diminution of Bear and You all can call the bomber a Bruin.

Besides ... http://www.samolotypolskie.pl/samoloty/2294/126/PZL-102

Hypothetical look of the PZL-10 bomber.
 

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hesham

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Thank you for the Info my dear Boogey.
 

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hesham said:
Also in my files,

PZL-31 was a bomber Project,no other details are known.

As I remember,it was developed from P.30.
 

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