Category Archives: Single Blade

Schwarz, LKL V, Warner Scarab engine

Producer (type)Schwarz Propellerwerk, Germany
Propeller No.???
Production Date1932
Diameter2100 i.a.w. the source
EngineWarner Scarab 110 HP
Country of OriginGermany
Used onLKL V

About the propeller, The propeller was produced by Schwarz workshop.

Construction, Wooden propeller, covered by fabric.

Aircraft and Engine, The LKL V aircraft was powered by Warner Scarab engine. According to the below given source the propeller was subsequemtly replaced by CWA(?) propeller.



  1. “Lubelski Klub Lotniczy, Aeroklub Lubelski w okresie II Rzeczypospolitej”, M. Gajewski, wyd. Lipiec 2012.

Integrale Warszawa, Spad 61

Producer (type)Integrale, Poland
Propeller No.1622, Typ R R-1
Production Date1927
Diameter265 indicated
EngineLorraine – Dietrich
Country of OriginPoland
Used on Spad 61


About the propeller. The propeller was produced by Włodzimierz Szomański’s factory Integrale, Warsaw. In private hands. Both decals: “Integrale Warszawa” and “Tonkilaque Varsovie” in almost perfect shape. Also Tonkilaque coating is almost perfectly preserved.

Construction. The propeller lamination consists of 11 ash plies. The outboard leading edge of approx. 770 mm (measured along diameter) has aluminum sheathing. The propeller is covered by black laque.

Aircraft and Engine. The propeller was used with SPAD 61. Engine: 12-piston, in-line engine Lorraine – Dietrich 12 Eb of 24,4 l cubic capacity.

Propeller with a story behind. The propeller was preserved thanks to Zenon Szymczyk and subsequently his family.

Zenon Szymczyk (22.12.1913 – 02.09.1988)

Zenon Szymczyk

Born in Radom, 1913, December 22. As soon as he graduated from ground school 16 years old only he found his way to a military squadron. In 1930-1934 continued his tuition to get airframe journeyman qualifications. In 1934 drafted to Aviation Unit in Warsaw. Next, moved to Military Aviation school, Dęblin, where he was flying Morane (Morane Saulnier AR-35), Hanriot (HD-19? or H28?) and RWD-8 aircraft. Delegated to Ustianowa, where he accomplished Cat C glider pilot course, flying Salamandra and Komar gliders.
During the training, flying as a passenger of PWS 14 on the route Ustianowa – Dęblin – Radom – Ustianowa with lieutenant Knap got injured as a result of night landing and hooking against a cable.
On the 1st September 1939 he was working as an airframe fitter of PZL, Warsaw. Posted on the 2nd to Pułk Lotniczy Warszawa. After September 15th he got an evacuation order of RWD-8 airplane to Zaleszczyki (Polish- Romanian border). When the fuel tank was emptied he made a on field landing, only 12 km away from the destination. Together with the other Polish Airmen he found his way to France via Romania, Yugoslavia, Greece, and finally 6 days ferry to Marseille on board of Polish  ship “Puławski”. In Paris Polish aviators were split, some of them being sent to UK, some being sent to French Air Forces. Zenon Szymczyk is ordered to join 212 Bomber Unit as a gunner. Several times shot down, captured by Germans. Kept in several camps till the end of the war (the last one recorded was V Kahla (Thuringia), from which he found his way back to Poland in December 1945. Died on 2nd September 1987. Buried in Dęblin.


1. Biography Source: Family documents


Unknown Producer, Potez XXV? propeller

Producer (type)Unknown Producer
Propeller No.
Production Date
Diameter2900 mm measured
Country of OriginPoland
Used on

About the propeller. The propeller was produced most likely by Polish factory Plage Laśkiewicz in Lublinie. Right now, bared of all markings. In private ownersip, central Poland.

Construction. The propeller lamination consists of 10 ash plies. The outboard leading edge of approx. 600 mm (measured along diameter) had aluminum sheathing. Originally the propeller was covered by black Tonkilaque coating.

Aircraft and Engine. The propeller was used – again most likely – for Polish built Potez XXV.

Propeller with a story behind. Until now (2012) the propeller is in the good hands of Stanisław Dolar’s family  commemorating the tragedy from 1938. According to the family the propeller was received from Plage & Laśkiewicz Company workers.


(.1910 – 08.08.1938)

Short biography of Stanisław Dolar. Born in year 1910 in Nałęczów, county of Puławy. After graduating a school he worked for Plage & Laśkiewicz company in Lublin (aviation manufacturer). Before being drafted for military service he accomplishes paramilitary aircraft training in Lublinek airfield nearby Łodź. As a young pilot he voluntarily applies for  military service and gets his assignment to 6 PL Lwów. Accomplishes recruitment training plus flight training in 6 PL Training Squadron and picks up a pilot service. In 19.03.1933 officially received the rank and Badge of Military Pilot (MSWojsk order, Dziennik Personalny MSWoj nr 4/33 19.03.1933 year). Upgraded to corporal rank. In 1935 released from a military service. As  reserved military pilot received recurrent training in 5 PL Lida. In  1936 again drafted and assigned to  5 PL Lida. Pick up duties of a flight instructor in the  5 PL Lida Training Squadron.

On 08.08.1938, during flights of his Training Squadron on the firing range Pohulanka he takes off on PWS-18 for demonstration flight (with a passenger Capt. geographer Bolesław Sass). During aerobatic manoeuvres seatbelt unfastens and corporal pil. Stanisław Dolar falls out of the cabin, dies hit by the aircraft tail skid. Unfortunately PWS with its passenger spins down to the ground. Capt. geographer Bolesław Sass dies when aircraft crashes.

Buried in the city of Lublin, military cemetery.


1. Przemysł Lotniczy w Lublinie, Mariusz Wojciech Majewski, ZP Grupa, 2009

2. Biography Source: Interenet, Remigiusz Gadacz, myś

Szomański, Hanriot H-28

Producer (type)Szomański, Poland
Propeller No.4631
Production Date1932
Pitch1950 - 2170
Diameter2550 mm
EngineLe Rhone 80 HP
Country of OriginPoland
Used on

About the propeller. The propeller was produced by Szomański factory, Warsaw. The coating was removed and markings tarnished, but press wood springed out, so the markings are largely readable. to the . Private collection; propeller on auction in 2016. Many thanks to Grzegorz Bulanda, sharing all presented pictures.

Construction. The propeller lamination consists of 6 plies (ash). The outboard leading edge of has an aluminum sheathing. Originally the propeller was covered by black Tonkilaque coating.

Aircraft and Engine. This is a replacement prop for Hanriot H-28 aircraft buit in The Polish Factory Samolot, Poznań. The propeller was working with rotaty Le Rhone 80 HP engine.


Ratier, Schreck FBA propeller

Producer (type)Ratier, France
Propeller No.
Production Date1925
Diameter2650 mm Measured
EngineHispano Suiza 180 HP
Country of OriginFrance
Used onSchreck FBA

Schwarz Propeller, Hirth Engine, Klemm L25 / L26 Aircraft

Producer (type)Schwarz Propellerwerk, Germany
Propeller No.?
Production Date?
EngineHirth 60 HM R, 80HP
Country of OriginGermany
Used onKlemm L25

Source : internet:

About the propeller, The propeller was produced by Schwarz workshop, Berlin. The propeller is fitted with a metal name plate, typical only for some light power Schwarz propellers from late 30ties / early 40ties. Original Schwarz decals remained.

Construction, The propeller is covered by fabric. The outboard length of leading edge had brass sheathing.

Aircraft and Engine, Klemm L25 aircraft was powered by  Hitth HM R engine, 80HP.

Klemm L25

Klemm L25 aircraft, Schwarz propeller. Source:

Szomański, RWD-8

Producer (type)Szomański, Poland
Propeller No.5702
Production Date1934
EngineWalter Junior
Country of OriginPoland
Used onRWD-8


About the propeller. The propeller was produced by Polish workshops Szomański Warsaw. The whole story of the propeller stayes unknown. Traces take it to Germany, where it was repainted to orange colour (about year 2000).  Privately owned, was available on an internet bid in 2014.

Construction.  The propeller lamination consists of 6 ash plies. Propeller coating was black, Tonkilaque (including aluminium sheathing).

Aircraft and Engine. The propeller was used for RWD-8 training aircraft and was working with 4-cylinder in-line Walter Junior engine.


  1.  Opis Płatowca RWD-8, Ministerstwo Spraw Wojskowych, Departament Aeronautyki, Warszawa

Szomański Armstrong Siddeley Genet 80 HP

Producer (type)Szomański, Poland
Propeller No.3435
Production Date1930
Pitch1230 - 1290
EngineArmstrong Siddeley Genet 80 KM
Country of OriginPoland
Used onRWD-3

About the propeller. The propeller was produced by factory owned by Szomański in Warsaw. Propeller, or one blade and a whole hub, is in the collection of Poznań Army Museum in Poznań.

Construction. The propeller lamination consists of seven ash plies. Diameter of propeller is 183 cm and the pitch is 123 -129 cm. The propeller has metal sheathing on leading edge. The propeller is covered with Tonkilaque lacquer. On propeller the decal with Szomański logo is placed. The remnant of Tonkilaque decal is also visible.

Aircraft and Engine. The propeller was intended for British five-cylinder 80 hp Genet engine which was manufactured by Armstrong Siddeley factory. The engine having 4,12 L capacity was rated at 80 hp at 2200 rpm. In Poland this engine was powering light aircraft such as RWD-3.


  1. Andrzej Glass: “Polskie konstrukcje lotnicze 1893-1939”
RWD-3 aircraft with Genet engine and Szomański propeller

RWD-3 aircraft with Genet engine and Szomański propeller (Photo Narodowe Archiwum Cyfrowe, sygn. 1-G-959-4).

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