L'il Giant BT 20 Minimum Diameter.
This Rocket will fly on anything from a B4 BP to an 18mm Composite D
Airframe Diameter: BT20 (.74") (Made of Filament Wound Fiberglass)
Total Length: 21"
Weight: 1.35 oz (no motor)
Nose Cone: BT 20 Plastic
Motor Assembly: Filament Wound Fiberglass 18mm, Engine Block
Coupler Ebay Tube: None
Fins: 1/32" G10 Fiberglass. CNC cut.
Bulkheads and Centering Rings: None (18mm Motor Block)
Deployment: Motor Deploy
Recovery: 1 - Nylon Streamer, Kevlar Shock Cord
Hardware: Shock Cord
Included Accessories: 2-MicroRail Buttons and 3/16" lug
Graphics: ADD $6.00 forGraphics Below
Recommended Motors: B4, B6 and C6 BP as well as C-D Composite 18mm
Not Included, But Recommended Hardware: 18mm Retainer Will Need to sand.
Get General build instruction and Sim Files Here: https://www.mach1rocketry.com/all-rocket-files.html
Now you can fly low power with a few less worries about crashes and wet weather. These BT sized filament wound airframes with 1/32" G10 fins and G10 Centering Rings will be tough enough to take the punishment of many flights.