![]() ![]() Virtually all vehicles employ positive caster, but excessive amounts can lead to camber problems, since these two angles directly affect each other. ![]() Pull a string over the top of the pegs and mark on the string the position of. ![]() Negative caster reduces steering effort because the weight moves forward of the spindle vertical center but also detracts from high-speed stability. A typical road camber for gravel roads is 8 (this is the equivalent of. This creates a grocery cart-like situation, where the wheel centerline is behind the spindle centerline. The opposite situation is negative caster, where the top of the spindle is tilted forward past its vertical centerline. It is this same torque that requires more effort to turn the wheel. Positive caster creates an aligning torque by positioning a portion of vehicle weight behind the tire, which helps position the tire straight ahead. This is an extreme example of positive caster that creates high-speed stability-the effect that allows the rider to let go of the handlebars while the bike tracks straight. Height for Straight Line Camber formula is defined as depth or height of road at center point where in which depth is maximum is calculated using Height (Pavement width)/(Elevation difference 2).To calculate Height for Straight Line Camber, you need Pavement width (B) & Elevation difference (h). If you look at a bicycle from the side, the top of the spindle is angled rearward toward the rider. ![]()
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