Power Boat Hydroplane Racing Longtails in Thailand

www.John-Tom.com - Thai longtail boat races
Race weekend at Samut Songhram in Thailand
Top Speed recorded at 165 kph (102 mph)
Ang Nam Chaimongkol August 2009
More details at www.John-Tom.com

Engines generally used for this type of boat are:

Rotavator Engines (Hand Plough) 150cc 2 stroke

Car Engines - Usually Toyota 1600cc

Rotax Engines (very old 2 stroke engines) - twin cylinder 600cc

Races are held for each class and there is an Unlimited class which are the fastest boats.

The Toyota 1600cc to 2000cc engined craft are in the Unlimited Class.
more info and plans at www.john-tom.com