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4" Fiberglass Frenzy XL

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Product Reviews

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  1. Compulsion

    Posted by Kevin K on 28th Oct 2017

    As many others, I purchased this kit as the foundation for a Level 3 Certification Build It's a great looking design. The quality of the components was excellent. I found the payload bay was just the right size to fit a 25' Kevlar cord and Top Flite 84" Standard parachute. I did, however, improve the bevel on the fins to make it perfectly straight. I found the fin slots were slightly off, but easily corrected by sanding +/- 0.015" corrections to the fin slots and tacking them in while held aligned with the booster tube. My Level 3 flight went perfectly on an AeroTech RMS 75/5120 M1297W. My build was 26.1 lbs on the pad with this motor. The stability margin was 2.7 calibers without adding any weight.. Thus this kit is a very well balanced design. The boost was straight up to 13,116' AGL.
    For more detail on building this kit, I have a build thread on the rocketry forum at: http://www.rocketryforum.com/showthread.php?140477-L3-Success-Compulsion-4-in-Fiberglass-Frenzy-XL-build

  2. Great for L3

    Posted by Unknown on 18th Oct 2017

    Purchased this kit for my Level 3 Certification. Went together well and flew beautifully. The forward airframe section is a bit short, but still worked fine for my parachute. Thanks Madcow for a great rocket.

$309.95
Brand:
SKU:
K-163

Product Description

Features:

ALL FIBERGLASS KIT

High Performance Rocket
6:1 Filament Wound Nose Cone
Metal Tip Nose Cone
Pre-Slotted Fiberglass Airframe
G10 3/16" Beveled Fins
G10 Centering Rings
Dual Deploy w/12" Long A-Bay
Rail Buttons
All hardware including Forged Eyebolts

Specifications:

Length: 92"
Diameter 4.0"
Weight: 14lbs
Motor Mount: 75mm
Fins: 6 each 3/16" G10

Ships in 48" box - some international locations have size restrictions. Please call first if you are shipping to a restricted location.

Download assembly instructions

Download RockSim file

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