"X-Fire" is pronounced crossfire
18 mm X-Fire lifting off on two
18 mm X-Fire near apogee on two C6-3 motors
Specifications: Wing span: 13.25 inches, Weight: 1.2 oz
Recommended motors: A3-4T, A10-0T, A10-3T, A10-PT
Specifications: Wing span: 18 inches, Weight: 2.5 oz (70
Recommended motors: Estes
B4-4, B6-0, 2 & 4, C6-0, 3 & 5
The X-Fires use two motors
unique and exciting, high performance flight. With their
symetrical design, they are one of the safest forms of cluster
possible. Even if one of the motors fails to ignite the
will fly normally just not as high. No land sharks or lawn
darts with this rocket. During descent, the X-Fires
a safe, gentle landing.
The X-Fire kits are constructed from the highest
sheets, Poplar dowels and LOC Precision
tubing. Their simple and robust construction means they
continue to fly long after other rockets have been
Launch preparation is super simple, just insert the motors and
launch! These rockets fly very well even in windy
always land close to the pad.
Each kit is complete with all materials needed except
They come with 3 pages of clearly illustrated instructions and
built in a single evening using ordinary craft tools.
are recommended for experienced modelers who will appreciate
unusual construction and flight characteristics
As with all clustered
be taken to ensure that both motors ignite simultaneously. The
requires a strong launch pad
Instructions for building a suitable pad out of readily
included with the kit and also shown below
Plans for DIY Monocopter Launch Pad
pad for monocopter should be sturdy and fixed firmly to the
Never attempt to launch the Helix from a standard launch
with a long launch rod. A
suitable launch pad can be constructed from the following
- 2x4s, three, 18 inches long and one, 36 inches long.
lengths need not be exact.
- 4 inch long, ¼-20 carriage bolt and 3 nuts
-3 inch long wood screws.
a 1/4” hole in the middle of one of the short 2x4s. Insert
carriage bolt into the hole and secure it tightly with one
of the nuts.
the long 2x4, perpendicular to the bottom of the short one
screws. Attach the two remaining short 2x4s to the
opposite ends of
the bottom of the first short 2x4 with two wood screws
Thread the two
remaining 1/4-20 nuts on the bolt and use them to adjust
the height of
the rocket above the pad.
The Dragonfly monocopter on
pad suitable for X-Fire kits
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and any other reproduction is strictly prohibited
without permission from