Disclaimer: Relationshipware LLC and its members are NOT
RESPONSIBLE for any injury or loss of property to any
person suffered while operating this water rocket launcher.
** Polyethylene terephthalate (aka PET) is a thermoplastic polymer
resin of the polyester family that is used in soda pop bottles. Serious
bodily injury could result from using any other type of bottle.
StratoFins
®
Instructions & Information
Please read through the StratoFins
®
instructions carefully to opti-
mize flight performance with your specific style launcher. Launch
rocket with extreme care and only under adult supervision.
Launching rocket with a nose cone improves performance:
A nose cone makes a rocket aerodynamic for straighter flights. StratoFins
will work on most launchers with air pressures of 10 to 120 PSI, but best
results occur between 40 to 80 PSI with a nose cone resting atop the rocket.
StratoFins
®
* Kit Includes:
Attachment ring (1)
Fins (3)
* StratoFins
®
: are compatible with 95% of all available
launchers either homemade or commercially available
in the marketplace including those employing a rubber
stopper, an expanding tube, nozzle, O-ring, or cable
ties because it replicates the threaded portion of the
bottle beyond the fins
.
Place Nose Cone:
Right before launch place the nose cone
on top of the water rocket. Do NOT secure
it in any manner. Notice the gap (notice
arrow) between it and the bottle. During lift
off the air pressure holds the cone in place.
When the rocket reaches apogee and be-
gins to turn, the cone falls off thus prevent-
ing the rocket from nose diving into the
ground and causing potential damage to
the rocket and public or private property.
Assemble StratoFins:
Assemble StratoFins by sliding each fin
down a separate slot on the attachment
ring beginning from the top. With all fins in
place screw the attachment ring onto a
soda bottle until snug. Works ideally with a
2 liter soda bottle, but smaller sizes can be
used. This water rocket can be launched
with or without a parachute attached since
this configuration does not nose dive, but
instead tumbles gently back to the ground.
* Stratofins
®
require no tools or glue for assembly.
Construct Nose Cone:
Create a nose cone from the top of a 2 liter
bottle by starting a cut with a razor blade or
box cutter about 4" down from the cap and
just above the label of a plastic (PET**)
soda bottle. Finish cutting around the bottle
with scissors in a straight line. Cut around
the nose cone again if necessary to
smooth and straighten the bottom edge of
your new nose cone.
Assorted Rockets:
Various rockets and launchers can be
used with the StratoFins from different size
soda bottles to FTC (Fluorescent Tube
Cover) rockets and more. A truly versatile
product for many applications.
Replacement Parts
Replacement parts, upgrade kits, videos,
and future accessories can be found at our
website.
.
* An optional flagging tap streamer about 2 ft. long
can be attached inside the nose cone with the cap
screwed over one end as shown above to help locate
the cone after launching.
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Copyright © 2017 by Relationshipware LLC
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