WaterWar.net

Internal pics of the Nerf Super Soaker Thunderstorm posted.

Didn't expect too much when opening this blaster, but had three surprises. One; the bulk of the internals were attached to the side of the casing with the screw holes. This is not typical as most blasters have their internals mounted on the non-screw-hole side. The other surprise was the pump; the Thunderstorm uses a peristaltic pump to pull water from the reservoir and push it out the nozzle. I was expecting a mini-piston system so finding a peristaltic system was not anticipated. The last surprise was how the trigger worked. Not able to take good pictures of the mechanism, but basically the trigger is not attached to anything. When it is pulled, it pushes a lever that, in turn, pushes on a button on the battery compartment to engage the motor.

Enjoy the pics!

A peristaltic pump probably explains the mediocre performance, the design's not known for performance. It is, however, durable, and is one of the best designs for keeping the water away from the motor. Of course, it's probable low-quality parts (like the motor) have been used, negating the theoretically better durability.

SG Nerf, or someone else, posted the Thunderstorm internals earlier, though I never picked that up as a peristaltic pump. The fact that its so small may relate to performance, though on the other hand, it would have more torque from the motor at that size.