How tall is a drag racing Christmas Tree?
ENDORSED by Champion NHRA Top Fuel Driver JUSTIN ASHLEY. These 14 gauge light up LED drag trees, heavy metal drag trees are 35″ (almost 3 ft) tall and have a brilliant finish.
Who invented the drag racing Christmas Tree?
W.H.” David, Jr.
“W.H.” David, Jr., founder of the Pel State Timing Association in Lafayette, Louisiana. He created the first Christmas Tree sometime in the late 1950s and sold the rights a few years later to Chrondek Corporation for mass production.
How far is the tree from the starting line in drag racing?
about 7 inches
When the front tires of a vehicle break the first light beam, the pre-stage beam, the pre-stage lights on the Tree indicate that the racer is about 7 inches from the starting line.
What is a pro tree in drag racing?
The first type which is mainly used by the NHRA Pro drag racing is called the Pro Tree. The Pro Tree is when all three amber lights flash simultaneously followed four-tenths of a second later by the green light ( green is when you gas the vehicle forward).
How high are finish line beams?
Height of beam approximately 1 9/16” adjusted as necessary (and possible) to provide 11½ to 12-inches of roll using standard dragster wheel/tire (22-inch diameter). Beam height must be low enough to accommodate 3-inch clearance rule as per NHRA Rulebook.
How does a drag race Christmas tree work?
Drag racing’s electronic starting device, also called the Christmas Tree, use calibrated LED lights to produce a visual countdown. The Christmas Tree is the NHRA’s electronic starting device that uses calibrated LED lights that produce a visual countdown for each pro driver in a pairing.
What does it mean to tree someone in drag racing?
Lingo: Bye run. Definition: A solo run with no competitor in the other lane. Lingo: Christmas tree. You could also say: ‘Tree. Definition: The starting line light fixture that lets racers know when the car is properly positioned for a start and when to start.
What is a full Tree in drag racing?
PRO TREE is where all three ambers illuminate at once, then the green. SPORTSMAN TREE (or more often called “full tree”) is where each amber turns on then off in a sequence, starting at the top and ending on the green. You could also put “instant green” style heads-up racing in there too as the third type.
What is a pro Tree in drag racing?
What is a good reaction time on a pro tree?
500 reaction time is perfect. (In the same way, the four tenths delay of the Pro Tree makes a . 400 a perfect light on that one) Now, the reaction timer stops when the car leaves the starting line.