Traxxas

Traxxas is a hobby level radio control model manufacturer based in the United States. Their more popular Nitromethane powered models include the T-Maxx, S-Maxx, Sportmaxx, Nitro 4-tec, Nitro Stampede, Nitro Rustler, Nitro Sport, Revo, and recently Jato. more...

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These cars are gas operated and intended for Nitro enthusiasts. But, for electric enthusiasts, Traxxas also makes electric cars such as E-maxx, Bandit, Spirit, Rustler, and Stampede. Although some models appear to simply be "nitro" adaptations of their electric counterparts, they usually are quite different.

Traxxas produces a variety of cars and boats. Generally they offer electric and nitro powered versions of all their models (except the Revo and Jato, although fans are anticipating the possible release of electric version of these models).

Products

Nitro Engines

Traxxas' first engines, in 1992 were the Image .12 engines, which for the most part are ultimately forgotten, failed experiments. As primitive as they were, manufacturing qualities were poor and the engines failed frequently. The advent of the Velocity and the TRX .12 engines were a dramatic improvement over the Image .12 and subsequently the vehicles Traxxas made sky-rocketed in performance, quality and popularity. (edit)

The Velocity .12 and the TRX .12 were entry level engines, and put out mediocre performance by today's standards. Later, Traxxas introduced the TRX .15 and Pro .15 engines. These produced slightly more power and accepted the EZ-Start system. Traxxas named their early engines with the size in cubic inches, which is relatively common for US-made model engines. They were still considered entry level, and were often replaced with more powerful after market engines when they wore out. Traxxas' boats used a version of the TRX Pro .15 which had a water cooling cylinder head. The Nitro Stampede 2wd monster truck, Nitro Sport 2wd truck, and Nitro Vee boat model still use the Pro .15.

Traxxas has converted most of its models to a new engine called the TRX 2.5, or the Race-tuned TRX 2.5R. The 2.5 is the displacement in cubic centimeters, rather than cubic inches to differentiate the newer engine from the old Pro .15. The actual displacement volume is nearly the same, but Traxxas refined the crankcase, cooling head, port timing, and other components to produce better power, more in line with aftermarket offerings. The engine is physically taller, and moved the exhaust manifold from a rectangular port on the side of the engine to a circular port on the rear of the engine. Traxxas also replaced the rotary carburettor with a slide valve version, requiring a slightly different servo linkage on its updated models.

In Spring, 2006, Traxxas introduced a new, larger displacement engine, the TRX 3.3. The 3.3 cc displacement is about equal to 0.20 in³, 67% larger than the original TRX .12, and about 3 times the power output. Despite nearly doubling the displacement since the TRX .12, Traxxas still maintains the same engine mounting dimensions, conforming to the industry standard, called "Small Block".

Read more at Wikipedia.org