54mm CT Bay Template

The 54mm CT Bay Template is used to mark holes when constructing a coupler tube bay.
Manufacturer: SMT Designs
SKU: CTBT-00551
Shipping date: 5 - 20 business days depending on order size

Note: This is not an all encompassing list. Manufactuers do change their

products and add new materials.  Please measure to assure a proper fit.

Thin Wall

Mach1 - 1.1mm

Wildman - 0.9mm

Normal Wall

Blue Tube 2.0 - 1.6mm

LOC Cardboard - 1.52mm

PML Phenolic - 1.5mm

Thick Wall

MadCow - 1.9mm

Rocketry Warehouse - 2.1mm

Ultra Thick Wall

LOC - 2.6mm


The 54mm CT Bay Template is used to mark holes when constructing a coupler tube bay. There are holes at 120 degree intervals at 6.35mm (1/4 inch) from the end of the coupler tube for bay mounting. There are two additional holes at the same distance to locate one or two arming switch locations. Finally, there is a single hole at 18.05mm (3/4 inch) for a vent hole if using the bay for deployment or air pressure monitoring.


  • One 54mm CT Bay Template


  • Diameter 60mm
  • Length 28.4mm
  • Weight 15g
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