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Vertical Limits was developed by Jurriaan van de Beek. As an enthusiast of AER (Amateur Experimental Rocketry) I created this website to document my findings and share them with others around the world.

I’m a member of the Dutch Federation of Rocket Research also knows as ”NERO” and Tripoli the Netherlands (but not that active). Some projects on this site are joint NERO projects others are my own. My main focus lies in design, construction and development of experimental rocket motors.

H10a & H11d just before they were launched at NLD 2005 with the Penta Delta 10.000Ns motor sitting in front.

On this site a wide variety of aspects of AER are shared, differing from motors to rockets. Other subjects like airframe design and general projects have their own links and can be found at the top of this page.

The information provide on this website is a collection of data archived for my personal use.  Use it wisely and don’t endanger yourself or others. Just because some apparatus work well for me it doesn’t mean they will work for you. Be carefull, stay safe.

“In terms of sheer coolness, few things beat rocketry.”
– Paul Allen, Microsoft co-founder