How to Build a Roller Boat Ramp

Written by cameron burry
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How to Build a Roller Boat Ramp
Boats can be a lot of fun, but getting them into the water can often be trying. (boat image by jim from

Roller boat ramps are fantastic ways to get a boat into the water without worrying about lifting anything or needing strenuous physical activity. A roller boat ramp can be made for just about any size and kind of recreational boat. However, making a quality boat ramp will require a fair amount of skill and knowledge of metal working. You should not attempt making a roller boat ramp without having some welding and metalworking training. If you do attempt to make one without that background, you may end up making a sub-par boat ramp that could damage your boat.

Skill level:

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Things you need

  • 2 steel rods, 6-inch, 7 to 9 feet long (for a larger boat, calculate the weight of the boat and divide by 12 to get the size in inches of steel rods you should buy)
  • 4 steel rods, 6-inch, 5 to 6 feet long (for a larger boat, calculate the weight of the boat and divide by 12 to get the size in inches of steel rods you should buy)
  • Arc welder
  • Small rubber wheels, 2 to 5 inches in diameter, attached to axle and flat stand
  • Steel drill and bit(s)
  • 32 screws
  • 32 nuts

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  1. 1

    Lay the width steel rods in between the length steel rods. Divide eight by the length of the longer rods to get the number of feet you should space the shorter bars by. Once they are all set apart the correct distance, weld the shorter bars in place onto the longer bar.

  2. 2

    Let the ramp sit for a few hours before moving on. This is not a necessary step, but it ensures that your ramp will be sturdier before the next step. When you are ready, drill four holes through the longer steel rod right next to where the shorter bar connects. In each instance, the holes should be in a box formation several inches apart. When you are done, weld a nut above each hole.

  3. 3

    Take the wheels on their bases and screw the bases into these holes, using four screws per wheel. Make sure that each hole is tightened well so that you do not have to worry about them wobbling. Once the wheels are drilled in, your ramp should be ready to put next to the water and lower its first boat.

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