Latest FAQ Entries http://www.soinc.org/feeds/latest_faqs Latest FAQ Updates en Is it necessary that the separated object travel in perpendicular direction to the direction of the wedge or can it be parallel to the direction of the movement of the wedge? http://www.soinc.org/node/1729 <p>A wedge as a simple machine functions by converting a force applied to its blunt end into forces perpendicular (normal) to its inclined surfaces.</p> Sat, 30 Jan 2016 01:06:16 +0000 webmaster 1729 at http://www.soinc.org Can we re-inflate the air chamber after launch (ie: soda bottle, when it's crushed) using ambient air, to go back to it's original shape, or does it need to re-inflate itself? http://www.soinc.org/node/1730 <p>Yes,you may re-inflate the air chamber provided the chamber is at ambient pressure at launch.</p> Sat, 30 Jan 2016 01:17:05 +0000 webmaster 1730 at http://www.soinc.org Can we re-inflate the air chamber after launch (ie: soda bottle, when it's crushed) using ambient air, to go back to it's original shape, or does it need to re-inflate itself? http://www.soinc.org/node/1731 <p>Yes,you may re-inflate the air chamber provided the chamber is at ambient pressure at launch.</p> Sat, 30 Jan 2016 01:17:05 +0000 webmaster 1731 at http://www.soinc.org The rules say balls must be unmodified, but can be labeled. Can we draw lines or other markings on the balls, other than simply labeling them "ball 1"? http://www.soinc.org/node/1732 <p>Yes, drawing lines on the ball can be considered labeling the ball. This will be up to the event supervisor if markings are for a labeling purposes.</p> Sat, 30 Jan 2016 01:25:47 +0000 webmaster 1732 at http://www.soinc.org Must the 500-600 mL plastic container with lid have a manufacturer's mark indicating the volume or can the students use a container that they have determined to be in the 500-600 mL range by their own measurements? http://www.soinc.org/node/1728 <p>The requirement is that the container be 500-600 ml. There is no requirement that the container have a manufacturer label to that effect.</p> Thu, 28 Jan 2016 03:12:07 +0000 webmaster 1728 at http://www.soinc.org May a computer be used as a tool? http://www.soinc.org/node/1724 <p>Yes, provided the computer only connects to the vehicle between runs and not during the run, it is considered a tool.</p> Mon, 18 Jan 2016 16:12:26 +0000 webmaster 1724 at http://www.soinc.org In the rules it states that any additional energy storage devices may be used to operate other functions provided they don't help propel the vehicle in any way. So would an additional energy storage device be alright to use for a microprocessor th... http://www.soinc.org/node/1725 <p>Batteries used for non-propulsion purposes would not count toward the maximum number of batteries in 2.c. Anything contributing to controlling the motor would be considered to be contributing to propulsion.</p> Mon, 18 Jan 2016 16:20:04 +0000 webmaster 1725 at http://www.soinc.org Do the plastic bottles have to be exactly 500-600 mL or can there be slight variations in size such as pint (~450 mL) or a quart (~800 mL) plastic containers that are readily available to students in supermarkets. http://www.soinc.org/node/1726 <p>Normal plastic drink bottles ( water or soda) are between 500 and 600 ml. This is why that range was chosen. It will be up to the event supervisor to determine how close to that range they will accept. Teams should be prepared to stay within that range.</p> Mon, 18 Jan 2016 16:26:02 +0000 webmaster 1726 at http://www.soinc.org May the cups or spoons be measuring cups and measuring spoons? http://www.soinc.org/node/1727 <p>Yes.</p> Mon, 18 Jan 2016 16:26:50 +0000 webmaster 1727 at http://www.soinc.org When the curds have been drained for 15 minutes, are they to be squeezed and dried before determining the mass of the curds? http://www.soinc.org/node/1720 <p>Yes, they should be dry. Please see the training guide posted on the National Website under Food Science.</p> Sun, 17 Jan 2016 02:09:56 +0000 webmaster 1720 at http://www.soinc.org