Some areas of the country do throw the weight in youth competitions. If you or one of your athletes is scheduled to throw in a youth meet, you will need to contact the meet director and check what size weight they will be using for the age group.
In the sense of performing as designed, most radar detectors do detect the presence of police radar in the immediate vicinity of a speeding vehicle. Whether or not that information will actually prevent a driver from receiving a speeding ticket remains to be seen, however.
1 For example, a PIR sensor might not detect something that is moving in a straight line directly toward it. 2  Do some testing, and if possible, build in some redundancy â for example, two sensors at perpendicular angles would make up for each others' limitations. 3  Make sure your outdoor motion sensors stay clean!