Shim set fills the gap between the ring fin and
booster stage bottle, from AntiGravity Research Corporation
This set of three adhesive-backed shims fills the gap between the ring fin and the booster stage bottle.  Just peel-and-stick.  They should be spaced evenly
around the circumference of the booster bottle,  under the resting place of the upper stage's ring fin.  They are made of very light closed-cell foam.
Useful for making water rockets, pop bottle rockets, water bottle rockets, pop bottle water rockets, water pump rockets, soda bottle rockets and bicycle pump rockets.

Return to online store page                Top of Water Rocket Store