A multi-staged vehicle with peak sensor

The following is a report written in February of 1985 by RRS members George Dosa and Frank Miuccio. The report details a three-stage rocket with several illustrations. For the sake of preservation, this report is reproduced in this article.

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A MULTI-STAGED VEHICLE WITH PEAK SENSOR
by Frank Miuccio and George Dosa

The purpose of this report is to document the building and testing of a three stage vehicle with a peak sensing device. Short betas were chosen for the 1st and 2nd stage and a short Mark Series for the 3rd stage. The peak sensor will be a photocell intended to detect the change from sky to ground and activate a parachute system. The 2nd and 3rd stage will be fired using inertia switches and a unique 3rd stage interlock system. A minor test will be of a passive sound emitter on the 2nd stage.

Also, (in this project) going to see if white, black or stainless is the best color to see (when spotting the rocket).

NOTE:
The report has sketches of the individual stages of the three-stage rocket and their interconnections.

first stage, shortened RRS standard beta, micrograin

2nd stage – shortened standard beta, micrograin rocket

3rd stage – Mark series rocket

556 timer chip, schematic

Sketch of the 3-stage rocket design

Second to third stage coupler design – sketch

Photo of the 3-stage rocket design

[more images and details to come, work in progress]

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For questions, contact the author, Frank Miuccio.
vicepresident@rrs.org

or the RRS secretary
secretary@rrs.org

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