MOJ
IndustryMotorcycle manufacturer
Founded1935 in Katowice, Poland
FounderGustaw Różycki
DefunctSeptember 1939
FateCommandeered for war production
Key people
Karol Zuber
ProductsMOJ 130
Number of employees
800 (1939)
ParentFabryka Maszyn Oraz Odlewnia Żelaza i Metali MOJ

MOJ[lower-alpha 1] is a defunct brand of motorcycles that were manufactured in Katowice, Poland from 1937 to 1939. The name derives from the nickname of the founder, Gustaw Różycki, whilst he was a student[1] at the University of Leoben.[2]

History

In 1933, mining engineer Gustaw Różycki bought a small mining machinery factory in Załęże, Katowice from Alfred Wagner and renamed it Fabryka Maszyn Oraz Odlewnia Żelaza i Metali MOJ.[3] He set about expanding the company and by the time WWII broke out the number of employees had risen from 15 to 800.[4] The company produced mining equipment, boat engines, chain saws and other machinery.[3]

Różycki was a motorcycle enthusiast and wanted to produce his own machines. In 1935 he employed engineer Karol Zuber to head a new motorcycle division.[3][5] The first motorcycle, the MOJ 130, was produced later that year. It had a 128 cc two-stroke engine. A 250 cc machine was in development,[3] and there were plans to produce cars. Land had been brought in Sandomierz to build a second factory for car production. Car production was due to start in 1940/1 but the war brought an end to this plan.[5] A rotary engine was in development and Różycki was granted a patent for the design.[5][2]

Following the German invasion of Poland, the factory was commandeered by the Germans to produce mining equipment and ammunition, although a small number of motorcycles were manufactured for military use.[3] Różycki joined the resistance and as a result spent the rest of the war in concentration camps in Dachau and Gusen.[3]

After the end of WWII, the factory was nationalised[5] and it was decided not to re-establish motorcycle production.[3]

Models

MOJ 130

The motorcycle was modelled on German motorcycles of the time, with an emphasis on quality.[3] Prototype models were fitted with a Villiers engine, but production models used their own 128 cc single cylinder two-stroke engine. A rigid duplex frame was used with pressed steel girder forks. Most components were made by the factory or were from Polish manufacturers.[6] The motorcycle was presented to the press in February[5] 1937[4] and production machines were available in August of that year.[1]

In 1938 the engine was improved with dual exhausts exiting the cylinder at the rear and the carburettor moved to the side of the engine.[1] The gearchange was changed from hand to foot operated.[7] Some machines were purchased by the military, including the 10th Motorized Cavalry Brigade. There was also a state-funded purchase scheme for officers to buy the motorcycle.[6]

A few competition versions of the model were made and on which Różycki entered various events, including the 1939 Tatra Rally, which he won.[4]

Around 600 units of the MOJ 130 were produced pre-war.[1][4]

Notes and references

Notes

  1. ↑ Sometimes incorrectly translated as MOY

References

  1. 1 2 3 4 Szczerbicki 2010, pp. 84–86.
  2. 1 2 "Różycki Gustaw Michał - Wynalazki i odkrycia". wynalazki.andrej.edu.pl (in Polish). Retrieved 5 September 2020.
  3. 1 2 3 4 5 6 7 8 "Moj 1937". zabytkowemotocykleirowery.pl. Retrieved 5 September 2020.
  4. 1 2 3 4 "Motocykl MOJ 130 - przedwojenna perełka motoryzacji" [MOJ 130 motorcycle - a pre-war gem of the automotive industry]. New Polish Design (in Polish). Retrieved 5 September 2020.
  5. 1 2 3 4 5 Szczerbicki, Tomasz. "Wizjoner i jego motocykl | MOJ" [A visionary and his motorcycle | MOJ]. Świat Motocykli (in Polish). Retrieved 5 September 2020.
  6. 1 2 Jońca 2013, pp. 34, 35.
  7. ↑ Jońca, Szubański & Tarczyński 1990, p. 98.

Bibliography

  • Jońca, Adam (2013). Motocykle Wojska Polskiego [Motorcycles of the Polish Army] (in Polish). Warszawa: Edipresse Polska. ISBN 978-83-7769-570-8.
  • Jońca, Adam; Szubański, Rajmund; Tarczyński, Jan (1990). Wrzesień 1939: pojazdy Wojska Polskiego ; barwa i broń [September 1939: vehicles of the Polish Army; color and weapons] (in Polish). Wydawnictwa Komunikacji i Łączności. ISBN 978-83-206-0847-2.
  • Szczerbicki, Tomasz (2010). "Niecodzienna fotografia" [Unusual photography]. Militaria XX Wieku (in Polish). 5 (38).
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