Use this page to review all of the tested and certified (and past certified) motors by Tripoli and the NAR. Everything you want to know about any motor, curves, weights, length, diameters an more..
Thanks to Rocketman Parachutes, here is a link to a page with parachute descent rates for parachutes sizes from 1 foot diameter to 60 foot diameter. Great for selecting the correct diameter parachute based on rocket weight. On the link below go down the page for the tables.
Charts and calculation information for determining if your rocket has a safe thrust to weight ratio
Article on how to calculate CP in 1995 before computer programs were available using a simple picture and spreadsheet.
A complicated Ejection Charge calculator but loaded with practical information. Includes simple tables that are good for making estimates without the calculations. Also included at the end of the article is shear pin strengths.
You can make ejection charges from old Christmas Lights. These are the incandescent types and not the LED type (LED won't work).
In work coming soon
In work
In Work
In Work
In Work
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