DIY Network

Giant-Scale Hydro Racers: Start Your Engines! From "Radio Control Hobbies" episode RCH-206

The Enforcer Stingray at full throttle. At racing speeds, hydro racers spend most of their time with 80 percent of their hull in the air, and only 20 percent in the water.

In this segment, Chris Chianelli gets to try out the Enforcer Stingray in a matched race with guest Tony Castronovo.

Important: This demonstration provides some of the basic information for operation of this particular model racing-boat. There are variations in assembly for each particular model or kit. Read and carefully follow the manufacturer's instructions that come with yours, whether it is this particular model or another. Additional information about assembly as well as running, troubleshooting and fine-tuning the model can be found in the manufacturer's instructions.

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• The race takes place at Lake Mirror in Lakeland, Florida. Chris operates the yellow DIY racer, while Tony operates the red Enforcer that, aside from the paint job, was built and outfitted to the same specs.

• The boats are identically matched. Both feature the Zenoah 25.3cc racing engine (figureA ). Both also have had a CVEC tuned pipe installed (figure B).

  Figure A

  Figure B

  
  
• Once the boats are fueled and readied, the race begins (figures C, D and E).

  Figure C

  Figure D

  Figure E

  
  

  Figure F

• Though the competition is close, the yellow hydro takes the lead (figure F).
  

Enforcer Stingray specs

Length......50 inches
Beam ...... 24 inches
Weight......21 lbs.
Top speed......40+ mph
Street Price ..... about $1250