This tour shows how to create a simple rocket design from scratch. -[none] +[initial.jpg]
When you choose to create a new design, you are presented with a blank design and the Rocket configuration dialog is displayed. @@ -15,14 +15,14 @@ the design name, designer, comments and revision information. component in the component tree. -[none] +[main-1.jpg]
Next, add a Nose cone to the design by clicking the corresponding component addition button. This opens the nose cone configuration dialog. -[none] +[dialog-1.jpg]
The configuration dialog contains settings for the nose cone shape, dimensions and material. Set the nose cone length to 10 cm, @@ -32,26 +32,26 @@ base diameter to 2.5 cm and material to Polystyrene (plastic). default units in Preferences. -[none] +[main-2.jpg]
The design window displays the nose cone. Next, add a Body tube to the design. -[none] +[dialog-2.jpg]
Change the body tube length to 25 cm. The Automatic option for the outer diameter is ticked by default, in which case the diameter is automatically the same as that of the nose cone. -[none] +[main-3.jpg]
Next, add a Trapezoidal fin set to the rocket. The body tube must be selected in order to add the component. -[none] +[dialog-3.jpg]
The trapezoidal fin set has numerous dimension parameters. The most important are the root and tip chord (length next to the body @@ -60,20 +60,20 @@ tube and tip), height and sweep.
The default values are okay for the example design. -[none] +[main-4.jpg]
Next, add an Inner tube as a motor mount. Select the body tube, and then click the component addition button. -[none] +[dialog-4.jpg]
The default dimensions are suitable for Estes A-C motors. To have the motor mount overhang a bit, change the position parameter to Bottom of parent component plus 0.5 cm. -[none] +[main-5.jpg]
To add Centering rings to keep the mount in place, select the body tube and click the centering ring button. @@ -83,7 +83,7 @@ ring will be added inside the inner tube. Use Edit → Undo to undo the latest action.) -[none] +[dialog-5.jpg]
The centering ring automatically selects the appropriate outer and inner diameter when the Automatic checkboxes are selected. @@ -96,12 +96,12 @@ the position parameter to Bottom of parent component plus parameter zero. -[none] +[main-6.jpg]
Next add a Parachute to the body tube. -[none] +[dialog-6.jpg]
The canopy diameter and drag coefficient determine how much the parachute slows down the rocket during descent. @@ -116,7 +116,7 @@ option will deploy the parachute when the ejection charge is fired, as is typical in small model rockets. -[none] +[main-7.jpg]
Now the functional aspects of the rocket design are complete. @@ -125,7 +125,7 @@ the body tube for wadding, and an Engine block to the inner tube for holding the motor in place. -[none] +[final.jpg]
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