35 TRACKED MOTORCYCLES & CYCLES

Tuscan, in the 50s, of California's Gyro Transport Systems, tracked at the rear and gyroscopically balanced. Its 20 hp engine could up 45° slopes said the conceptors. Skis could be fitted at front. This nice Tuscan, commissioned by US Forest Service for the rangers remained a prototype.

Albert Lismayer handmade snow-cat seen on the excellent site : http://www.

pistenraupe.de/

Eigenbau.html

TraTracked Motorbike home made for hunting, rescue, geology. http://blog.hobby-live.ru/blog/auto/13.html  http://snegohod-tuning.ru/istoriya-snegoxoda.html

Tracked motorcycle 'The Ant' homemade from Russia. For snow 25 cm depth, payload : the driver + 30 kg + 80 hg on trailer, mass 110kg. Font tire sidewall are bolted on the rim and filled with foam. Rear track is 2 nylon bands bolted on steel cables. Grouser are U steel sheets.    http://www.avto

motoklyb.ru/Samodelnyi-gusenichnyi-motocikl.htm

Self-made two tracks 100 cc scooter 2006, from Russia.

Self-made 2WD motorcycle Civar, 18 hp, from Russia.

Motochenilles Mercier, 1939. Pict J M M at Rétromobile, Paris, 2009 02.

Front track motocycle, 1937, built at Bois-Colombes, France by Mercier from Swiss. Well considered by French Army, 11 hp engine was a little weak although it could run up slopes of 42%.

Hyanide and Baal design concepts all terrain motorcycles were part of the Michelin Challenge Design 2006 of North American International Auto Show in Detroit. These tracked motorcycles, based on a bendable track and steered both hands and feet were onceived by two German designers, Tilmann Schlootz and Oliver Keller

Alpenscooter is a kind of snowmobile of Pozza Company from early 80s used by Mountain Troops of Italian Army. Ski replaces front wheel in snow.

http://www.hoteladamello.it/marcopera/alpenscooter/

OEC (Osborn Engineering Co.,Gosport, Hants, GB)Tracked MotorcyclePrototype, 1928. Pict from Wheels & Tracks N° 74, 2001.

Tracked motor cycle in line 3x2, 3 seaters, Victoria-Werke AG of Nuremberg, in the 30s. Pict from Wheels & Tracks N° 74, 2001.

Snow-chopper

http:

//www.jalopyjournal.com/forum/showthread.php?t=229248&page=11

Tracked conversion of Toyota about in the 80s. Pict from 'Livre Mondial des Inventions' d of Valérie-Anne Giscard d'Estaing, Fixot, 1993.

BMW tracked motocycle of 1936 'Sneekrad' or snowmobile.

http://thekneeslider.com/archives/2009/12/17/1936-bmw-schneekrad/

Lehaître tracked motorcycle, 1938. Pict from book 'Le Livre des Inventions' of Valérie-Anne Giscard d'Estaing, Robert Laffond, 1999.

Tracked Roadless Motorcycle based on a Douglas machine. Suspension uses cables. About mid 20s. Pict from the book of Stuart Gibbard, Roadless, the Story of Roadless Traction from Tracks to Tractors, Farming Press, 1996.

Tracked cycle of Patrick Carn. Pict from book 'Le Livre des Inventions' of Valérie-Anne Giscard d'Estaing, Robert Laffond, 1999.

Tracked cycle of Patrick Carn. Pict from book 'Le Livre des Inventions' of Valérie-Anne Giscard d'Estaing, Robert Laffond, 1999.