Modulus ECS-10/Demolisher Open Flywheel Project Cage


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Open Flywheel Projects’s Nerf Modulus ECS-10/Demolisher 3D printed flywheel cage replaces the stock flywheel cage and provides a¬†tighter motor spacing for improved dart crush and velocity. It is also stiffer than the stock cage, reducing noise. The dart guide keeps the darts at the right position, preventing jams by keeping worn darts from coming out the top of the magazine.

Open Flywheel Project cages are available in motor spacings of 43.5 through 41.5mm spacing. The 43.5mm matches a stock Stryfe or Rapidstrike flywheel cage. Closer spacing results in higher crush and faster dart velocities, but requires higher torque motors and has issues with hard tipped darts such as FVJs and Voberries. For 130 motors such as Meishel 2.0's, we recommend 43mm spacing. See OFP's Size Guide for more information.

All cages come with the required screws to mount the motors into the cage.

If you want a specific color, or PETG instead of PLA, please specify it in the Notes field at checkout. For details on PLA vs PETG, see this page. Currently available colors are:
  • Light Orange (eg Demolisher or Rapidstrike)
  • Dark Orange (eg Stryfe)
  • Navy (Elite) Blue
  • Translucent Light Orange
  • Yellow
  • Red
  • White
  • Black
  • Glow in the dark
  • Clear
  • Silver
Open Flywheel Project products are not toys. Open Flywheel Project products are high performance blaster parts which should never be used without eye protection, or shot at or near anyone not wearing eye protection. They greatly increase the power of the blaster and should not be used by or with children. Open Flywheel Project takes no responsibility for injuries or property damage resulting from the use of our products. Open Flywheel Project has no relationship with the manufacturer of any blasters our products are designed for.

Additional information

Weight0.7 oz
Dimensions8 x 7 x 3 cm
Motor Spacing

43.5mm, 43.0mm, 42.0mm, 41.5mm


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