Shastas Rocket Site

Viper IV



The VIPER IV is a unique 4 x 24mm motor cluster whose fins attach into the valleys of the motor mount tube cluster which extends beyond the main airframe. It can attain altitudes over 2200′ using 4 E motors. This kit can also fly on 4 D12-3 motors. Parachute Recovery!

All LOC/PRECISION “PK-XX” kits include heavy duty airframe and motor mount tubes, high-grade precision-cut plywood fins, centering rings, rip-stop nylon parachute or streamer, nylon elastic shock cord and mount, launch lug, polypropolene nose cones and instructions.

Additional Information

Complexity: Intermediate
Diameter: 2.6″
Height: 47.5”
Weight: 18oz.
Motor Mount: 4x29mm
Parachute Size: 21″ Ripstop Nylon
Shock Cord Type:  TN-316-12’ of Tubular Nylon with sewn loops
Shock Cord Mount: SCM-1
Fin Thickness: 1/8″
Ring Thickness: 1/8″


Photo Gallery

Build History

  • 12/08/2007 – Purchased LOC/Precision #PK-24 Viper IV from Merlin Missiles for $42.36 (Retail – $52.95).



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