The answer to your question is in the questiong itself.
Yes, just swap your bearings from skate wheels to longboard wheels, its all the same.
No, you'll need some stronger type of wood.
Depending on shape (Gun,Performance longboard etc.) 20 1/2 - 24"
longboard races
If you want to know when someone would use a longboard skateboard, it would be if they are wanting to go fast. The longboard's design is different than a normal skateboard designs which allows it to go very fast.
VOLADOR 42inch Freeride Longboard. Playshion Drop Through Longboard Cruiser. Magneto Bamboo Longboards. JUCKER HAWAII Original Longboard. Slendor Longboard 42 inch Drop Through. Landyachtz Switch Longboard Complete and Colors.
longboards trucks will work on a normal board. but they are usaly a lot less lite. they will also stick out a couple of inches on both sides.
The current land speed record for a longboard is held by Mischo Erban, who reached a speed of 95.83 mph on a longboard in Quebec, Canada in 2012.
This question is very broad. This depends on the construction, length, width, and shape of the specific longboard. A bamboo or maple longboard will not be as strong as a longboard that is reinforced with carbon fiber or fiberglass layers. A shorter longboard will be less prone to breaking because it will be stiffer. Just research the materials, length, and shape to see approximately how strong a specific board is.
Silverfish isn't a longboard manufacturer, they are a longboarding website/forum.
100 cm