High-Speed ball thrower is an improvised version of the Roboarm ball throwing aid.
This ball throwing aid is suitable for throwing different balls. Best for Cricket and Baseball batting/fielding drills.
Handheld ball throwing aids may not be the best substitutes but can be great alternatives for Cricket Bowling Machines or baseball Pitching Machines.

What is The Roboarm ball thrower?

The Roboarm ball throwing aid is a widely used practice tool in Cricket circles. Most of the professional players and teams use the Roboarm in throwdown net practice sessions.
Its patented tiltable ball holding cup allows the coach/thrower to change the cup angle. One can set the cup angle suitable to his natural throw style. It requires less human effort to produce quicker deliveries.
Using the Roboarm, balls thrown up to 170kmph depends on the user’s practice and effort. The Roboaram a fantastic tool for throwing fast deliveries, but one needs the training to throw the ball above 120kmph.
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How to make High-Speed Ball Thrower - The RoboArm XL?
This DIY helps in making a faster ball throwing aid using less effort. Without practice, one can throw quicker balls.
To build a high-speed Roboarm, we need two Roboarm ball throwers.
MATERIAL:
The RoboArm: 2
Buy: Amazon or Leverage
Flathead screws (5mm): 2
TOOLS:
Cutting Machine/Hacksaw blade
Drilling Machine with drill bit size(5mm)
PROCEDURE:
Step:1
Take two Roboarm ball throwers and remove ball holding cups from their stems.
Step:2
Take one Roboarm ball thrower and cut it and remove the handgrip portion using the cutting machine/Hacksaw blade at 5.4 inches

Take the second Roboarm ball thrower and cut it and remove the neck portion at 3 inches



Note: If cutting machine is used at high speeds, it may melt the plastic. Use a slower cutter.
Step:3
Each Roboarm drilled at two places






Note: Drilling at high speeds may melt the plastic and weaken the product. Use the drilling machine at a lower speed.
Step:4
Match the holes of the Roboarms.
Insert the screws and secure with tightening the bolts.
Fix one cup to the stem.



Check the high-speed ball thrower by throwing the balls. Adjust the ball holding cup number as required.
You should be able to throw the ball at higher speeds with very less effort.