ours is a tube with a diameter of 10 cm and a length of 2+2m. Between the two 2m sections we have some membranes that bursts by enough pressure. We fill one of the 2m sections with pressurized air, and at around 6 bars of pressure the membranes burst, sending out a supersonic shock wave (@480-510 m/s) through the second 2m part of the tube.
This is part of an European union science project for studies and measurement of dynamic pressure. (not shooting ping pong balls per se, but looking at the response from different pressure sensors and other equipment/settings related to the data collection)
I used a few lights to light up this ice line. One on a tripod and three duct-taped to trees. A great way to climb in the darker winter hours after work
Well, that certainly puts my tater tot gun to shame. It tops out at ~100m/s. Mine is only powered by a bike pump though, and is basically just a human-powered paintball gun. (building it was a fun day at the hardware store)
Used my Zebralight SC52 to illuminate the inside of my clothes dryer's exhaust vent so I could thoroughly clean out the lint that accumulated over the past year. I do this once a year to prevent a possible fire..
Took an after dark bike ride, using two lights on my handlebar. I tried out my new Conway S2 with an XP-G2 (warm tint) alongside my headlight, a Serfas True 250 with an XP-G (cool tint). I really like the warm tint of the S2 when riding, and it had a good balance of throw and spill light. When I cycled off the S2, the headlight’s tint looked ghastly. I never thought it was before, but I think I’m used to neutral and warm tint flashlights right now.
Driving to work this past Thursday, I hit a horse at about 50 mph. I don’t quite know how I didn’t t-bone ’em.
It is pitch black on the twisting backroads that I and my carpool peeps take to work. Two rather large brown horses decided to trot in the roadway…one after another. My only choice was to hit the brakes and swerve to the right. Visions of a large equine collapsing over the hood of the car and crushing the a-pillar, windshield and cab raced thru my head! I cried “Oh God” as the horse sped up, making it even more difficult to avoid collision. At the very last milisecond, the horse must have reared-up, hitting his leg and shoulder on the front fender and a-pillar. There was a disheartening thud as the horse bounced off of the car. Oh man…heart in my throat…still not believing what just happened. I had my Fenix LD01 with me loaded with a fresh 10440 battery. I exited the car, concerned for the horse and afraid he might be laying in the middle of the road endangering the next vehicle that came around. I was happy to see that the horse was off the side of the road. I approached the horse and the poor animal was on three legs, holding up the fourth. He stared at me and winnied…looking pathetically at me with a look that could only be translated as “Help…I’m hurt”. That really sucked…and I know very little about horses. We called 911 to report it…and they said they would send someone out. The horse wasn’t going anywhere…and we had to leave. I feel bad about that…but we all work at a place that requires us to be there. Four of us out would cause problems and possible security issues. We were able to limp back to town and get another vehicle. We passed the accident site and saw a state vehicle there…but the horse must have moved further away from the road…we couldn’t see it or the person that stopped.
I was happy to have my light. Otherwise, there was no way I was gonna see the location of the injured horse. It also helped me to see the damage to the car and push the fender off the tire, keepin it from rubbing a hole.
Unfortunately I had to use mine in the middle of the night to inspect a noise outside. To put it in context, my neighbour was robbed about a month ago and me 1 week ago…
Wow that sucks! This is why I have a monitored alarm system with video surveillance. Thankfully nothing's happened in the 14 years I'm living here. Not to say it will never happen.
(Back to Postimage. Apparently BrightLightsModules BLF hosting site has gone. :^( Sadness.)
Anyway, yesterday, helping a friend clear some land, the hydraulic reservoir failed. Troubleshooting revealed we had almost enough oil to get the machine back to the road for pickup. “Almost”…
My new EDC helped my friend and the rental shop’s mechanic:
I cannot thank you all enough for helping me develop the skills to make such useful tools!