www.giantleaprocketry.com
THANK YOU AND CONGRATULATIONS ON PURCHASING THIS PRODUCT.
We at Giant Leap Rocketry, Inc. hope you enjoy this rocket. The
Elipse
is carefully engineered to
make it high performance on the one hand, yet efficient to build on the other. We recommend that you
take your time, learn and enjoy. It incorporates some very advanced features like the Groove-Lok fin
canister system which saves you time and reduces the possibility of fin misalignment, yet allows
incredible speeds and force loads - - more than is possible with standard fin lay-ups. The Groove-Lok
system is the most advanced fin canister system on the market and features an interlocking load
system. Other features of the rocket incorporate the latest technology, like the new aluminum ogive
tailcone that forms an integral part of the fin canister assembly. The kit also features an avionics bay
for dual deployment, nylon and KEVLAR® cords that are pre-sewn with NOMEX®, the KEVLAR®
heat pads, aluminum rail guides, and a 5-to-1 Pinnacle nosecone.
The
Elipse
comes with a 38mm motor mount so that it can be flown on a variety of motors. These can
propel it to extremely high altitudes. With the optional SLIMLINE 38/29mm adapter, you can fly this
rocket to more moderate altitudes on lower impulse H and I motors. Be certain your center of gravity
(CG) is at least 5” or more forward of the center of pressure (CP) when the rocket is fully loaded ready
for flight. Because of the small surface area of the fins on the
Elipse
, be sure you establish the correct
CG. Add nose weight if necessary. All measurements must be done with a “full-up” rocket (with a
loaded motor, recovery components and any electronics). Remember, during launch, the recovery
hardware may shift aft, thus shifting the CG to an unstable condition. Be sure to allow for this before
flying.
Specifications:
Length: 78"
Center of Pressure (CP)=51” aft from nosecone tip.
Confirm that Center of Gravity (CG) is less than 46” aft of nosecone tip.
Diameter: 3.00” I.D
Dry Wt:. (no motor): 4.8 lbs (please allow for variation in weight due to difference in epoxies
and paint thickness). (6.5 lbs. with filamount fiberglass airframe).
Motor mount: 38mm (29mm with optional 38/29mm SLIMLINE motor adapter).
Parachute size: drogue - 18” main - 48” Single Piece
Recommended 38mm motors:
Aerotech
: H123, H148, H242, I161, I357, I300, I211, I285, I284, 1366, I435, J420, J350, J570
Pro38
: H153 I205, I285, J285, J330
Recommended 29 mm motors (Slimline 29/38mm adapter required)
Aerotech
:H238, H128, H165, H180, H220, H268, I200
