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Genesis of LMR & HPR.


WARP-4 was originally designed and specified to address the needs of rocketeers with primarilly model rocket construction skills but with a need for a rocket which could withstand the growing power requirements of MR and HPR in the D, E, F, G power. It is a beefy rocket. Extra high strength components throughout facilitate flights over Mach 1 despite the large size and helps to withstand hard landings. The four 24mm mounts accept motors D to G as well as interchange mounts for 18mm. Extra thick plywood fins and rings and double strength aerospace specification tubing. WARP-4 is an advanced high performance payloader and can withstand repeated high power firings. Try 4 D12-7, D24-8, E12-8, E25-8, F25-12, F100-12, G35-12. But best flights are with a combination of long and short burning motors such as 2 F100-12 and 2 G35-12.

Skill 3
Motors 4x 24mm
Recovery Parachute
not included
Diameter 2.70"
Length 46"
Weight 350g
Drag (CD) 0.38
CP(") 33.84
SKU# 1163
Price $69.95
Definition Of Terms

WARP-4 can be slightly modified to accept new dual deployment systems and altimiters. The payload can be deployed on both sides of the coupler or both sides of the payload tube. This rocket is recomended for schools, recreation programs and science work. WARP-4 has been successfully tested with as high of power as 4 H100-12 and as high thrust as 4 G140-12. It was originally designed and specified to address the needs of rocketeers with primarilly model rocket construction skills.

The tubes are over twice as thick as conventional model rocket tubes, yet the tubes are constructed of the same very high specification materials as model rocket tubing, which itself is the finest in the world. Other features include the use of a TRADITIONAL but LARGE balsa wood nose cone, hailed as the best in the industry, or fiberglass (4:1 parabolic) as an extra cost option primarilly for delicate electronics and GPS applications. Its very strong and lightweight construction makes it fly surprisingly high compared to other rocket kit brands. Test it for yourself! The main mounts are 24mm and through the wall attach goes to these tubes.

All U.S. Rockets Large Sport Series kits feature pre-cut plywood fins, heavy duty airframe tubes, strong elastic shock cord, illustrated assembly and flight instructions, decal and all the high quality parts needed to successfully assemble and fly a high performance model rocket. Launcher, motors, glue, sandpaper, sealer and paint not included.

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