The main difference is that the hangers in many cases are wider to accommodate the different size decks, with 150mm plus 180mm being two of the most typical widths. There are also different longboard trucks for different disciplines, as well as multi-purpose trucks. Numerous trucks are equipped with special functions, such as inverted kingpins, and also spring-loaded trucks, and adjustable tilt designs. Trucks designed for maneuverability will have a softer polyurethane bushing or spring, which allow the truck to turn with ease.
The downhill-type truck will usually possess a harder bushing or springtime to stabilize the table at high speeds. Urethane material bushings are also rated around the durometer scale; the more difficult the bushing, the tougher it is to turn the pickup truck. Bushings can be replaced plus changed, and are generally very cheap ($2-$10). All trucks have different switching angles. This is known as the truck’s geometry. The geometry from the trucks affects how much the particular board will turn.
The particular geometry can be adjusted through the use of curved risers or “wedges, inch which are mounted between the porch and the truck’s baseplate. Typically the turning angle will increase when the trucks are angled towards the outside of the deck. When the trucks are angled towards the inside of the deck, turning position will decrease, which can enhance stability. Randal R-II vehicles come stock at fifty degrees on the hangers.
It is a typical angle for practical trucks as it allows the particular board to turn well in a variety of speeds. Randal R-I Downhill style trucks tend to be more stable, and have a switching angle of 35 levels which is better suited to broadband skating. Slalom boards will use a quick making truck in the front paired with a stable truck in the rear, to allow for better traction. A different type of truck and unique to longboards is the torsion truck.
Torsion trucks operate differently through standard trucks in that these people twist an urethane bushing or metal spring instead of using two compression bushing to return the truck to a straight position. Revenge torsion trucks have a locking mechanism that prevents wheel bite when the truck hangers turn too far. The Original S-Series torsion truck does not have a stop but functions instead on the belief that the deck should be designed around the trucks (to avoid wheel bite). The lack of a stop allows Original trucks to lean over further and turn tighter, although compatible deck selection is limited.
Riders who have experience on conventional, non-torsion truck, designs may have stability issues when bombing on torsion based trucks, however with practice torsion truck based setups can easily handle bombing runs of 30-35 mph (fast enough for all but the most advanced riders).
My name is Vincent Quinn, I live in the suburbs of Dallas Texas and I’ve recently retired and sold off my lawn mowing business. My wife and I have 3 kids that are all old enough to be out of our hair for now. Interesting stuff, I know, but I with so much time on my hands I’ve decided to share my industry knowledge online to give me a project to work on and and to try and help some people out. Enjoy!
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