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Single Use Model Rocket -- Mark II

by SCaruthers, published

Single Use Model Rocket -- Mark II by SCaruthers May 22, 2013

Description

This is an updated remix of the Single Use Model Rocket (see thingiverse.com/thing:87495 ). This version has a longer, solid nose to shift the center of gravity forward, and slightly longer fins, to pull the center of pressure backwards.

Prints as a single intact object.

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It flies well with the C6-7 engine, too. Too high to see! But you could see the puff of smoke from the ejection charge.
Super! Post some photos of the class!
I launched one of these yesterday. It fired off perfect and flew perfectly straight. I used a B6-4 engine. It went high! I'm printing up 18 more of these for a school class to paint and launch.

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Instructions

Printed with
Infill 100% (important! to maximize weight in nose)
Speed: 40mm/s
Shells: 3
Layer Height: 0.27

Print time = 1:49
Weight (empty) = 23g
Weight (w/ engine) = 48g

With the center of gravity (CG) moved forward, this version should have better aerodynamics than version 1.

This is designed to house an Estes 'C' standard sized model rocket engine.
See ( thingiverse.com/thing:88520 ) to adapt to an 'A' sized mini engine.
I launched one of these yesterday. It fired off perfect and flew perfectly straight. I used a B6-4 engine. It went high! I'm printing up 18 more of these for a school class to paint and launch.
It flies well with the C6-7 engine, too. Too high to see! But you could see the puff of smoke from the ejection charge.
Super! Post some photos of the class!
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