http://nerfhaven.com/forums/topic/28105-openchrony-open-source-diy-chronograph/ A ballistic chronograph is an instrument which measures the speed of very fast things (like bullets). I decided to build a DIY Chronograph which could be used for high-speed photography, such as glassware getting shot with an air-powered rifle (see my other post on this topic or my Flickr album). In order to … See more The principle behind optical ballistic chronographs are simple, but here’s a basic overview of how the instrument works. Two optical gates are mounted a certain distance … See more I arbitrarily set the optical gates 500 mm apart. This made it reasonably compact while reducing the amount of error in the results. The instrument’s frame was built from 1/2″ square steel tubing and flat sheets of aluminum. … See more The TTL-level outputs from the sensor arrays were connected to an Arduino Uno, which has a maximum digital sampling rate of 2 MHz and maximum clock resolution of 0.5 μs. … See more Commonly-used light sensors include photoresistors and phototransistors. Unfortunately these types of sensors do not work for the high demands of a ballistic chronograph … See more
DIY chronograph for measuring bullets?? - Parallax Forums
WebLoading... ... Loading... WebFeb 12, 2015 · Stand back far enough that the arrow is just clear of the bow when the point enters the chronograph reading zone. I also put a 3/8 thick piece of acrylic over the front panel just in case of an errant shot. Dave. Rod. 4,810 18. Registered User. Rod. 4,810 18. Post Feb 13, 2015 #3 2015-02-13T11:10. lagu mari kita merenungkan
cronograph for arrow speed testing - PaleoPlanet
WebJan 9, 2024 · DIY Ballistic Chronograph? DIY Ballistic Chronograph? Started by Fliers, January 07, 2024, 07:57:47 PM. Previous topic - Next topic. Print. Go Down Pages 1. User actions. Fliers. Newbie; Posts: 42; Logged; DIY Ballistic Chronograph? January 07, 2024, 07:57:47 PM. I've found plans for 2 different chronographs, the first one has it's own IR … WebApr 11, 2024 · Caldwell Ballistic Precision Chronograph: A solid choice with 99.7% accuracy. Caldwell Ballistic Precision Chronograph G2: A shooting chronograph that provides easy-to-read data and has a Bluetooth function. Gun Gear Depot Precision Chronograph: A great budget option Competition Electronics ProChrono Digital … jeep\\u0027s hz