Billy Olsen 3995a330da Add new material types for rail buttons
Add two new material types for rail buttons, delrin and nylon.
The material densities are pulled from wikipedia and cross-referenced
with Dupont's material database.

Additionally, set Delrin as the default material for RailButtons.

Closes #554

Signed-off-by: Billy Olsen <billy.olsen@gmail.com>
2020-03-02 20:33:56 -07:00
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OpenRocket - an Open Source model rocket simulator
--------------------------------------------------

Copyright (C) 2007-2013  Sampo Niskanen and others


For license information see the file LICENSE.TXT.

For more information see http://openrocket.sourceforge.net/



To start the software run the class 

    net.sf.openrocket.startup.Startup

or from the JAR file run

    $ java -jar OpenRocket-<VERSION>.jar



Contributions have been made by:
--------------------------------

Sampo Niskanen, main developer
Doug Pedrick, support for RockSim designs, printing
Kevin Ruland, Android version
Bill Kuker, 3D visualization
Richard Graham, geodetic computations
Jason Blood, freeform fin set import
Boris du Reau, internationalization

Translations contributed by:
Tripoli France
Tripoli Spain
Stefan Lobas / ERIG
Mauro Biasutti
Sky Dart Team
Vladimir Beran
Polish Rocketry Society / Łukasz & Alex Kazanski