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Tire Inserts
Goes between tires and wheels to give the tires support. Usually composed of either foam or rubber compound of varying firmness grades. Different track conditions determine the desirable firmness of these inserts. Greatly effect tire traction and suspension as a whole.
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Titanium
Titanium is one of the hardest metal alloys known to man and has excellent corrosive, erosive, heat transfer and strength to weight ratios. Often considered an expensive metal, parts made from titanium will usually cost quite a bit more than aluminum but are many times stronger and are generally considered to be the most desirable material for r/c racing parts. Parts that are especially prone to breakage (such as tie-rods and ball ends) are made by several manufacturers in a titanium form that are virtually bullet-proof.
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Toe
Usualy Toe In. The angle that the front wheels are angle towards each other (left wheel aligned slightly right, and right wheel, slightly left). This angle allows for different handling characteristics including a correction of oversteer.
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Top Shaft
The drive shaft that the spur-gear/slipper spur bolts onto, with a gear on the other that runs on the idler gear. This is the intial input shaft into the gear box assembly of most off-road vehicles.
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Transmitter
A device that sends specific information via radio waves, within a specific frequency into all matter (including air) in a radial pattern. Receivers tuned to that specific frequency can receive and decode the information. The hand-held radio controller that are used to control vehicles are examples of a transmitter.
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Tuned Pipe
A superior (however louder) alternative to a muffler. Have little or no internal baffling and wide open exhaust path, these devices use various techniques to supply the correct back pressure needed at different RPMs.
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Turnbuckle
A shaft with opposite running threads on each end. Typically this shaft will have plastic ball cups threaded on each end and when the assembly is in place and ball cups are clipped onto the ball ends, the turnbuckle can be turned one way to unscrew both sides (therefore increasing overall length of assembly) or screw both sides (therefore decreasing). The allows easy linkage length adjustments while assembly is in place. Used typically for camber links and steering links.
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Two-Stroke
Refers to the combustion cycle the engine uses. Intake, compression, combustion and exhaust cycles that take place in a 4-cycle are merged into one revolution in intake and compression on the upstroke and combustion and exhaust on the down stroke. This is done by carefully porting channels in the cylinder approximately mid-stroke to orchestrate this advanced method of combustion, without the use of traditional head valves, timing cams, push rods or any of the cycle orchestration mechanisms found in 4-cycle engines.
The fuel and air mixture passes through the carburetor, into the hollow crank shaft, and enters the cylinder from the bottom of the piston via the crank case.
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TX
Transmit. To send out. See Transmitter.
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