INTEGRAL Warszawa Propeller, Hanriot H.28


Producer (type): Integrale, Poland
Propeller No.: 866
Production Date: 1926
Pitch: 195-217 cm
Diameter: 255 cm
Engine: Le Rhone 80 HP
Country of Origin: Poland
Used on: Hanriot H.28,

About the propeller. The propeller was produced by Polish factory Integrale (mark as INTEGRAL, as most of early production), Warsaw. Propeller type: H- T- 2. Propeller is one of the earliest and preserved propellers of Szomański’s factory. Property of →Muzeum Sił Powietrznych (airforce Museum) Dęblin, on regular exhibition in the main buidlding (2023).

Construction. The propeller lamination consists of 6  ash plies. The outboard length of approx. 670 mm of leading edge  has aluminum sheathing. Propeller was originally covered by black Tonkilaque coating, remnants on the front hub part.

Aircraft and Engine. The propeller was used for Polish built Hanriot H-14 under the name H.28 . The propeller was working with 9-cylinder rotary engine, Le Rhone 9C Engine  of 10,89 l cubic capacity.


  1.  “Samoloty i zakłady lotnicze II Rzeczypospolitej”, Mariusz Wojciech Majewski, ZP Grupa, 2008

Period Advert. Samolot.

Airforce Museum Dęblin Advert.