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ICBM-B V2 - Denneth's Awesome Website

ICBM-B V2

Details regarding the newest iteration of the ICBM-B system, featuring premium cellulose construction and actual schematics

I’ll be the first to admit that the old ICBM-B was far from perfect

Also known as the auxiliary module, it was built into a oversized cardboard box, having 2 to 4 times the amount of relays needed, powered by a separate 9v battery going into a Arduino just to generate 5v
That and it had a malfunction during R-8’s Static Test, when operator error resulted in the battery having a short circuit breaking one of the relays and the continuity detection

To address these problems I fabricated Version 2 while in quarantine a while back

B pictured to the right of the main module

New features include:

  • Simpler Circuit
  • Self Powering
  • Battery Voltage Indicator
  • High Quality Relay
  • Duct Tape Weather Proofing
  • Steel Reinforcement
  • Smaller Size
Front Closeup, Showing The Steel Reinforcement keeping the switch in place, and the continuity light
Side View showing the voltage indicator
Internals, PCB is beneath some tape
Schematic, Q1 is not a bc547 but the general purpose mosfet IRF510
Bare circuit test, showing continuity
Short Demonstration

It has yet to be tested in situ, since no engine tests have been performed since it was finished

It has since been used to ignite R-10, and performed flawlessly.

But the objective was achieved, getting rid of the Arduino and 9V battery, making it more robust and increasing utility

2 thoughts on “ICBM-B V2”

  1. Pingback: R-10 Test Results - Denneth's Awesome Website
  2. Pingback: Igniter, Electrical, Type II, BP - Denneth's Awesome Website

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