Our basic Black Hole Spinning tunnel is just under 10' in diamater and 20' long. The tunnel is constructed using 3 sets of wood ring sections that are held together by welded supports. Steel Unistrut and Component Support Structure, High Impact
Plastic Drive & Support Wheels with Roller Bearings, 1/4 HP Dayton Gear
Motor (the friction driven motor will stop turning when an Excessive amount of resistnce is applied),100#/sq ft Bridge Weight Rating, Steel Bridge with Wood Walking
Surface, and Dual 1-1/4" Railings. 15 Amp, 115VAC power is required on
standard units. The M2800 has a 10,000 lb. GVWR w/ 2-6K lb. Torsion Bar
Our tunnels are easy to construct and are extemely reliable and durable. The standard package includes everything you will need to assemble a complete Black Hole Spinning Tunnel.
All units include your choice of 3-D Stars, Starfield, Inferno or Mindscape background