In the early 1930s, D. I. Kondratiev and a group of Leningrad specialists visited America to learn about local developments. A new model of the Leningrad tram was derived from this research trip based on the Peter Witt design. The design was modified in accordance with Soviet domestic requirements; in particular, the width of the wagon was reduced. The first tram on this design was produced at the Leningradsky vagonoremontny plant. It was originally named MA (Motorny Amerikanskogo tipa), and its unpowered trailer was named PA (Pritsepnoy Amerikanskogo tipa). The model quickly earned the nickname "American". Later for political reasons, the wagon names were changed to LM-33 (Leningradsky Motorny projekta 1933 goda) and LP-33 (Leningradsky Pritsepnoy projekta 1933 goda), respectively.
LM-33 and LP-33 were built between 1933 and 1939.
- The manufacturer: Leningrad Vagonoremontny plant
- The project: 1933
- Produced: 1933 - 1939
- Copies: 232
- Mass without passengers: 22.2 tons
- Max. speed: 50 km/h (31 mph)
- Seating position: 49
- Nominal capacity: 178
- Track: 1,524 mm (5 ft)
- Length: 15,000 mm (49 ft 3 in)
- Width: 2,600 mm (8 ft 6 in)
- Height of the roof: 3,318 mm (10 ft 10.6 in)
- Base: 7,500 mm (24 ft 7 in)
- Base trolley: 1800
- Type controller: DC-7B
- Type brakes: Pneumatic direct motion and hand-wheeled motorized shoe
- Engines: 4 x PT-35 or 4 x DTI-60
- Power of engines, kW: 40 (PT-35) / 55 (DTI-60)
LM-33/LP-33 trains were operated in Leningrad from 1933 until March 18, 1979.
LM-33 in folklore
Эх, шарабан мой, американка, куда везёшь меня ты, иностранка
Two copies of LM-33 have survived in the electric transportation museum in Saint Petersburg: passenger wagon № 4275 (undergoing restoration) and the loading platform at the LM-33 № 4435 (awaiting restoration). Also there is a passenger wagon LP-33 № 4454 undergoing restoration.
- Трамвайный поезд ЛМ-33 №4275 + ЛП-33 №4454 ("Американка") (in Russian).CS1 maint: unrecognized language (link)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Ekh, my char-a-banc, American. Where do you go with me, a foreigner? (Russian)
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