Recent content by NateChrony

If you use a muzzle mounted system - all of that is taken care of. These days its probably worth noting about the "types" of chronographs available, and the drawbacks etc... Depending on what you're doing - the type is probably going to be most important before a particular brand. Muzzle...

The Oehler 33 has a 1 Mhz clock, with 3ft spacing 3000fps vs 3003fps is pretty much exactly 1Mhz! 1Mhz is pretty slow & limiting, however it overcomes that with very wide spacing between the sensors. If we're splitting hairs with diabolo pellets - could be a slight issue. Larger devices (can)...

Not a bad question! Ageing of the timing crystal occurs, however most ageing occurs in the first year & then logarithmically drops off. You can also "pre-age" the crystals so this helps to reduce that factor. Does your device contain a 1year old or pre-aged crystal? (good luck finding that out)...

True... but... I know of more than a couple bench rest people that are expecting (assuming?) that if a Chronograph reads xxx fps, then its accurate to 1fps - which may *not* be the case. If the Chronograph readings are jumping +- 2-3 fps, that's a spread of 5fps & something that a lot of people...

Radars are also interesting - i *think* doppler radar may be more accurate as velocities increase, larger frequency shift allows more time to count. But then its decelerating... but you can add maths to correct that. Ask the manufacturer for testing & results.... I saw a post where Garmin say...

(a thread i put up elsewhere) Some cals to understand what we're working with: Speed - lets use 1000fps Sensor distance - 80mm (standard NateChrony) At 1,000fps it takes 0.000262467 seconds to travel between the sensors. That's 262.4671916 Microseconds, or millionths of a second. For every...

(full disclosure - i make chronographs) My devices have (this week) got back from the Australian National Measurements Institute - so I have traceability on those "master" chronographs. From those master Chronys I calibrate every chronograph I sell, so you know that the readings mine give are...

I've been in the industry for about 6 months & displayed at the british shooting show & also IWA - so can speak a little to pricing. Its an awful industry to be in - absolute scoundrels everywhere to say the least. Intellectual property theft is RIFE, barely anyone wants to work "with" you &...

True! 12v supplies will almost always be PWM - be careful, batteries (& a resistor/diode) would always be the best bet. The cheap work lights used to be perfect when i used my old chrono - just had to find cheapies that didnt flicker

Maybe not if you're pushing close to trans sonic speeds. If you're seeing 900fps at 10ft - *maybe* its over 1,000 at the muzzle & causing a lot of instability as it leaves the barrel before settling. You're 100% correct that once you're in a good spot or adjusting from a known tune you'll be...

careful here - you need to make sure the LEDs are not driven by a PWM circuit (i.e. pulsing on/off really fast). Really cheap ones can be better - as cheaper ones can have less circuitry etc & be a little more wasteful on how they moderate the power. Also depending on the Chrony - it could be...

I'm lurking around here - holler if you need anything

We ship worldwide & have been shipping orders for over 3 months now (including the US) We are also currently offering it through Pyramydair - but its drop shipped from Aus currently.

Yes that was my stand - odd the video you linked didnt get to my stand, as i was opposite BSA! Seems to have had his back to me for 20min & didnt turn around. Note: It is NOT a moderator (which are highly illegal here in Australia...) - just a tube. Russ did a vid here with me at the BSS:

In terms of shows... I have some perspective on those... Yes - the cost is significant as an exhibitor to go to one. Its at least a $3k USD investment for the booth at a show typically. Should you go to a show? Think of it as an investment into the community.... As a small & new manufacturer...